./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex11B.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex11B.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 67d91fe988a5bea7f4f6db216a73a82ee0094f62bf84b78c7b55840363e5e889 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 23:41:43,344 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 23:41:43,346 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 23:41:43,376 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 23:41:43,377 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 23:41:43,378 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 23:41:43,379 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 23:41:43,382 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 23:41:43,384 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 23:41:43,385 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 23:41:43,386 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 23:41:43,387 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 23:41:43,388 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 23:41:43,389 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 23:41:43,390 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 23:41:43,391 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 23:41:43,392 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 23:41:43,393 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 23:41:43,395 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 23:41:43,398 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 23:41:43,399 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 23:41:43,401 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 23:41:43,402 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 23:41:43,403 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 23:41:43,406 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 23:41:43,407 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 23:41:43,407 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 23:41:43,408 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 23:41:43,409 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 23:41:43,410 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 23:41:43,410 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 23:41:43,411 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 23:41:43,412 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 23:41:43,413 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 23:41:43,413 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 23:41:43,414 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 23:41:43,414 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 23:41:43,414 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 23:41:43,415 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 23:41:43,415 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 23:41:43,416 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 23:41:43,417 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-12-06 23:41:43,440 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 23:41:43,440 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 23:41:43,440 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 23:41:43,441 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 23:41:43,442 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 23:41:43,442 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 23:41:43,442 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 23:41:43,442 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-06 23:41:43,442 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-06 23:41:43,443 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-06 23:41:43,443 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-06 23:41:43,443 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-06 23:41:43,443 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-06 23:41:43,443 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 23:41:43,443 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-06 23:41:43,444 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 23:41:43,444 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 23:41:43,444 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-06 23:41:43,444 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-06 23:41:43,444 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-06 23:41:43,444 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 23:41:43,445 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-06 23:41:43,445 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 23:41:43,445 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-06 23:41:43,445 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 23:41:43,445 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 23:41:43,446 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 23:41:43,446 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 23:41:43,446 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 23:41:43,447 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-06 23:41:43,447 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_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 67d91fe988a5bea7f4f6db216a73a82ee0094f62bf84b78c7b55840363e5e889 [2021-12-06 23:41:43,641 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 23:41:43,656 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 23:41:43,658 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 23:41:43,659 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 23:41:43,659 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 23:41:43,660 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex11B.i [2021-12-06 23:41:43,701 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/data/883c2abc2/40827554e9534682ab99c0bbc5db20eb/FLAG7666d98bd [2021-12-06 23:41:44,067 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 23:41:44,067 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex11B.i [2021-12-06 23:41:44,072 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/data/883c2abc2/40827554e9534682ab99c0bbc5db20eb/FLAG7666d98bd [2021-12-06 23:41:44,082 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/data/883c2abc2/40827554e9534682ab99c0bbc5db20eb [2021-12-06 23:41:44,084 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 23:41:44,085 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 23:41:44,086 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 23:41:44,086 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 23:41:44,089 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 23:41:44,089 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 11:41:44" (1/1) ... [2021-12-06 23:41:44,090 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3843e2b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:41:44, skipping insertion in model container [2021-12-06 23:41:44,091 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 11:41:44" (1/1) ... [2021-12-06 23:41:44,095 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 23:41:44,104 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 23:41:44,209 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 23:41:44,217 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 23:41:44,228 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 23:41:44,238 INFO L208 MainTranslator]: Completed translation [2021-12-06 23:41:44,238 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:41:44 WrapperNode [2021-12-06 23:41:44,238 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 23:41:44,239 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 23:41:44,239 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 23:41:44,239 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 23:41:44,245 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:41:44" (1/1) ... [2021-12-06 23:41:44,250 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:41:44" (1/1) ... [2021-12-06 23:41:44,263 INFO L137 Inliner]: procedures = 11, calls = 19, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 32 [2021-12-06 23:41:44,263 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 23:41:44,264 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 23:41:44,264 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 23:41:44,264 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 23:41:44,270 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:41:44" (1/1) ... [2021-12-06 23:41:44,270 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:41:44" (1/1) ... [2021-12-06 23:41:44,272 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:41:44" (1/1) ... [2021-12-06 23:41:44,272 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:41:44" (1/1) ... [2021-12-06 23:41:44,276 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:41:44" (1/1) ... [2021-12-06 23:41:44,280 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:41:44" (1/1) ... [2021-12-06 23:41:44,281 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:41:44" (1/1) ... [2021-12-06 23:41:44,283 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 23:41:44,284 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 23:41:44,284 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 23:41:44,284 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 23:41:44,285 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:41:44" (1/1) ... [2021-12-06 23:41:44,293 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:41:44,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:41:44,312 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:41:44,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-12-06 23:41:44,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-06 23:41:44,351 INFO L130 BoogieDeclarations]: Found specification of procedure rec [2021-12-06 23:41:44,351 INFO L138 BoogieDeclarations]: Found implementation of procedure rec [2021-12-06 23:41:44,352 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-06 23:41:44,352 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 23:41:44,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 23:41:44,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-06 23:41:44,352 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 23:41:44,411 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 23:41:44,412 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 23:41:44,523 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 23:41:44,528 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 23:41:44,529 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-06 23:41:44,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 11:41:44 BoogieIcfgContainer [2021-12-06 23:41:44,531 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 23:41:44,532 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-06 23:41:44,532 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-06 23:41:44,535 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-06 23:41:44,535 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 23:41:44,535 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.12 11:41:44" (1/3) ... [2021-12-06 23:41:44,536 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@66fd5eef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.12 11:41:44, skipping insertion in model container [2021-12-06 23:41:44,536 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 23:41:44,536 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:41:44" (2/3) ... [2021-12-06 23:41:44,537 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@66fd5eef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.12 11:41:44, skipping insertion in model container [2021-12-06 23:41:44,537 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 23:41:44,537 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 11:41:44" (3/3) ... [2021-12-06 23:41:44,538 INFO L388 chiAutomizerObserver]: Analyzing ICFG rec_malloc_ex11B.i [2021-12-06 23:41:44,570 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-06 23:41:44,570 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-06 23:41:44,570 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-06 23:41:44,570 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-06 23:41:44,570 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-06 23:41:44,570 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-06 23:41:44,570 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-06 23:41:44,570 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-06 23:41:44,581 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 17 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 13 states have internal predecessors, (17), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-06 23:41:44,598 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-12-06 23:41:44,598 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 23:41:44,598 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 23:41:44,603 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-12-06 23:41:44,603 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:41:44,603 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-06 23:41:44,603 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 17 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 13 states have internal predecessors, (17), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-06 23:41:44,606 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-12-06 23:41:44,606 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 23:41:44,606 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 23:41:44,606 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-12-06 23:41:44,606 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:41:44,611 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~nondet7#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet10#1, main_#t~mem13#1, main_#t~ret11#1, main_#t~ite12#1, main_~pp~0#1.base, main_~pp~0#1.offset, main_#t~mem8#1, main_~qq~0#1.base, main_~qq~0#1.offset;call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnHeap(4);main_~qq~0#1.base, main_~qq~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset;call write~int(main_#t~nondet7#1, main_~qq~0#1.base, main_~qq~0#1.offset, 4);havoc main_#t~nondet7#1; 13#L28-3true [2021-12-06 23:41:44,612 INFO L793 eck$LassoCheckResult]: Loop: 13#L28-3true call main_#t~mem8#1 := read~int(main_~qq~0#1.base, main_~qq~0#1.offset, 4); 11#L28-1true assume !!(main_#t~mem8#1 > 1);havoc main_#t~mem8#1;call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnHeap(4);main_~pp~0#1.base, main_~pp~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;havoc main_#t~malloc9#1.base, main_#t~malloc9#1.offset;call write~int(main_#t~nondet10#1, main_~pp~0#1.base, main_~pp~0#1.offset, 4);havoc main_#t~nondet10#1;call main_#t~mem13#1 := read~int(main_~qq~0#1.base, main_~qq~0#1.offset, 4); 7#L33true call main_#t~ret11#1 := rec(main_~pp~0#1.base, main_~pp~0#1.offset);< 12#recENTRYtrue ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 10#L9true assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int(~op.base, ~op.offset, 4);~r~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~op.base, ~op.offset);#res := ~r~0; 17#recFINALtrue assume true; 14#recEXITtrue >#39#return; 6#L33-1true assume main_#t~ret11#1 <= -1;main_#t~ite12#1 := -1; 15#L33-3true call write~int(main_#t~mem13#1 + main_#t~ite12#1, main_~qq~0#1.base, main_~qq~0#1.offset, 4);havoc main_#t~mem13#1;havoc main_#t~ret11#1;havoc main_#t~ite12#1; 13#L28-3true [2021-12-06 23:41:44,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:41:44,616 INFO L85 PathProgramCache]: Analyzing trace with hash 1219, now seen corresponding path program 1 times [2021-12-06 23:41:44,623 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:41:44,624 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141949306] [2021-12-06 23:41:44,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:41:44,624 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:41:44,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:41:44,701 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 23:41:44,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:41:44,723 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 23:41:44,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:41:44,726 INFO L85 PathProgramCache]: Analyzing trace with hash -1673639481, now seen corresponding path program 1 times [2021-12-06 23:41:44,726 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:41:44,726 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131009468] [2021-12-06 23:41:44,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:41:44,726 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:41:44,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:41:44,757 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 23:41:44,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:41:44,781 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 23:41:44,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:41:44,782 INFO L85 PathProgramCache]: Analyzing trace with hash -508919995, now seen corresponding path program 1 times [2021-12-06 23:41:44,782 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:41:44,783 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193021895] [2021-12-06 23:41:44,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:41:44,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:41:44,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:41:44,809 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 23:41:44,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:41:44,835 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 23:41:45,428 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 23:41:45,429 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 23:41:45,429 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 23:41:45,429 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 23:41:45,429 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 23:41:45,429 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:41:45,429 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 23:41:45,429 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 23:41:45,429 INFO L133 ssoRankerPreferences]: Filename of dumped script: rec_malloc_ex11B.i_Iteration1_Lasso [2021-12-06 23:41:45,429 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 23:41:45,430 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 23:41:45,442 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:41:45,446 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:41:45,447 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:41:45,448 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:41:45,451 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:41:45,452 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:41:45,454 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:41:45,456 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:41:45,457 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:41:45,459 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:41:45,538 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:41:45,539 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:41:45,540 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:41:45,669 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 23:41:45,671 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 23:41:45,672 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:41:45,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:41:45,674 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:41:45,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-12-06 23:41:45,675 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:41:45,683 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:41:45,683 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:41:45,684 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:41:45,684 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:41:45,684 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:41:45,685 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 23:41:45,685 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:41:45,687 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:41:45,706 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-12-06 23:41:45,706 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:41:45,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:41:45,707 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:41:45,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-12-06 23:41:45,709 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:41:45,716 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:41:45,716 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:41:45,716 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:41:45,716 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:41:45,716 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:41:45,716 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 23:41:45,717 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:41:45,717 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:41:45,736 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2021-12-06 23:41:45,736 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:41:45,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:41:45,737 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:41:45,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-12-06 23:41:45,738 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:41:45,745 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:41:45,745 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:41:45,745 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:41:45,745 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:41:45,745 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:41:45,745 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 23:41:45,746 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:41:45,747 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:41:45,765 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2021-12-06 23:41:45,765 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:41:45,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:41:45,766 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:41:45,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-12-06 23:41:45,767 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:41:45,774 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:41:45,774 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:41:45,774 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:41:45,774 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:41:45,777 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 23:41:45,777 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 23:41:45,779 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:41:45,798 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2021-12-06 23:41:45,798 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:41:45,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:41:45,799 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:41:45,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-12-06 23:41:45,800 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:41:45,807 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:41:45,807 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:41:45,807 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:41:45,807 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:41:45,807 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:41:45,808 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 23:41:45,808 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:41:45,809 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:41:45,827 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2021-12-06 23:41:45,827 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:41:45,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:41:45,828 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:41:45,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-12-06 23:41:45,829 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:41:45,836 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:41:45,836 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:41:45,836 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:41:45,836 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:41:45,838 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 23:41:45,838 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 23:41:45,840 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:41:45,858 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2021-12-06 23:41:45,859 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:41:45,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:41:45,859 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:41:45,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-12-06 23:41:45,860 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:41:45,867 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:41:45,867 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:41:45,868 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:41:45,868 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:41:45,868 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:41:45,868 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 23:41:45,869 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:41:45,870 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:41:45,889 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2021-12-06 23:41:45,889 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:41:45,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:41:45,890 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:41:45,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-12-06 23:41:45,891 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:41:45,898 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:41:45,898 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:41:45,898 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:41:45,899 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:41:45,899 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:41:45,899 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 23:41:45,899 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:41:45,900 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:41:45,919 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2021-12-06 23:41:45,919 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:41:45,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:41:45,920 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:41:45,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-12-06 23:41:45,921 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:41:45,928 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:41:45,928 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:41:45,928 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:41:45,928 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:41:45,928 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:41:45,929 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 23:41:45,929 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:41:45,930 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:41:45,948 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2021-12-06 23:41:45,949 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:41:45,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:41:45,950 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:41:45,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-12-06 23:41:45,951 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:41:45,957 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:41:45,957 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:41:45,958 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:41:45,958 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:41:45,958 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:41:45,958 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 23:41:45,958 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:41:45,959 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:41:45,978 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2021-12-06 23:41:45,978 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:41:45,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:41:45,979 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:41:45,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-12-06 23:41:45,980 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:41:45,988 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:41:45,988 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:41:45,988 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:41:45,988 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:41:45,991 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 23:41:45,991 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 23:41:45,995 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:41:46,014 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2021-12-06 23:41:46,014 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:41:46,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:41:46,015 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:41:46,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-12-06 23:41:46,016 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:41:46,023 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:41:46,023 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:41:46,023 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:41:46,023 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:41:46,025 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 23:41:46,025 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 23:41:46,029 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-06 23:41:46,036 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2021-12-06 23:41:46,037 INFO L444 ModelExtractionUtils]: 3 out of 7 variables were initially zero. Simplification set additionally 2 variables to zero. [2021-12-06 23:41:46,038 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:41:46,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:41:46,038 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:41:46,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-12-06 23:41:46,039 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-06 23:41:46,048 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-06 23:41:46,048 INFO L513 LassoAnalysis]: Proved termination. [2021-12-06 23:41:46,048 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~qq~0#1.base) ULTIMATE.start_main_~qq~0#1.offset)_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~qq~0#1.base) ULTIMATE.start_main_~qq~0#1.offset)_1 Supporting invariants [] [2021-12-06 23:41:46,067 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2021-12-06 23:41:46,070 INFO L297 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2021-12-06 23:41:46,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:41:46,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:41:46,093 INFO L263 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 23:41:46,094 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:41:46,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:41:46,118 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 16 conjunts are in the unsatisfiable core [2021-12-06 23:41:46,120 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:41:46,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 23:41:46,168 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2021-12-06 23:41:46,178 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-12-06 23:41:46,178 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-12-06 23:41:46,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:41:46,245 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 5 loop predicates [2021-12-06 23:41:46,246 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 17 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 13 states have internal predecessors, (17), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 6 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 23:41:46,322 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2021-12-06 23:41:46,335 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 17 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 13 states have internal predecessors, (17), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2). Second operand has 6 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Result 65 states and 78 transitions. Complement of second has 18 states. [2021-12-06 23:41:46,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 1 stem states 6 non-accepting loop states 1 accepting loop states [2021-12-06 23:41:46,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 23:41:46,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 24 transitions. [2021-12-06 23:41:46,342 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 24 transitions. Stem has 2 letters. Loop has 9 letters. [2021-12-06 23:41:46,343 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 23:41:46,343 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 24 transitions. Stem has 11 letters. Loop has 9 letters. [2021-12-06 23:41:46,344 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 23:41:46,344 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 24 transitions. Stem has 2 letters. Loop has 18 letters. [2021-12-06 23:41:46,344 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 23:41:46,345 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 65 states and 78 transitions. [2021-12-06 23:41:46,348 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 11 [2021-12-06 23:41:46,353 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 65 states to 47 states and 58 transitions. [2021-12-06 23:41:46,353 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 29 [2021-12-06 23:41:46,354 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2021-12-06 23:41:46,354 INFO L73 IsDeterministic]: Start isDeterministic. Operand 47 states and 58 transitions. [2021-12-06 23:41:46,354 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 23:41:46,354 INFO L681 BuchiCegarLoop]: Abstraction has 47 states and 58 transitions. [2021-12-06 23:41:46,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states and 58 transitions. [2021-12-06 23:41:46,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 46. [2021-12-06 23:41:46,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 33 states have (on average 1.2424242424242424) internal successors, (41), 32 states have internal predecessors, (41), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2021-12-06 23:41:46,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 57 transitions. [2021-12-06 23:41:46,376 INFO L704 BuchiCegarLoop]: Abstraction has 46 states and 57 transitions. [2021-12-06 23:41:46,376 INFO L587 BuchiCegarLoop]: Abstraction has 46 states and 57 transitions. [2021-12-06 23:41:46,377 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-06 23:41:46,377 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 46 states and 57 transitions. [2021-12-06 23:41:46,378 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 11 [2021-12-06 23:41:46,378 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 23:41:46,378 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 23:41:46,379 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:41:46,379 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-06 23:41:46,379 INFO L791 eck$LassoCheckResult]: Stem: 165#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 166#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~nondet7#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet10#1, main_#t~mem13#1, main_#t~ret11#1, main_#t~ite12#1, main_~pp~0#1.base, main_~pp~0#1.offset, main_#t~mem8#1, main_~qq~0#1.base, main_~qq~0#1.offset;call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnHeap(4);main_~qq~0#1.base, main_~qq~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset;call write~int(main_#t~nondet7#1, main_~qq~0#1.base, main_~qq~0#1.offset, 4);havoc main_#t~nondet7#1; 185#L28-3 call main_#t~mem8#1 := read~int(main_~qq~0#1.base, main_~qq~0#1.offset, 4); 188#L28-1 assume !!(main_#t~mem8#1 > 1);havoc main_#t~mem8#1;call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnHeap(4);main_~pp~0#1.base, main_~pp~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;havoc main_#t~malloc9#1.base, main_#t~malloc9#1.offset;call write~int(main_#t~nondet10#1, main_~pp~0#1.base, main_~pp~0#1.offset, 4);havoc main_#t~nondet10#1;call main_#t~mem13#1 := read~int(main_~qq~0#1.base, main_~qq~0#1.offset, 4); 168#L33 call main_#t~ret11#1 := rec(main_~pp~0#1.base, main_~pp~0#1.offset);< 190#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 186#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~ip~0.base, ~ip~0.offset := #t~malloc3.base, #t~malloc3.offset;havoc #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int(~op.base, ~op.offset, 4);call write~int(#t~mem4 - 1, ~ip~0.base, ~ip~0.offset, 4);havoc #t~mem4;call ULTIMATE.dealloc(~op.base, ~op.offset); 178#L19 call #t~ret5 := rec(~ip~0.base, ~ip~0.offset);< 179#recENTRY [2021-12-06 23:41:46,379 INFO L793 eck$LassoCheckResult]: Loop: 179#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 210#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~ip~0.base, ~ip~0.offset := #t~malloc3.base, #t~malloc3.offset;havoc #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int(~op.base, ~op.offset, 4);call write~int(#t~mem4 - 1, ~ip~0.base, ~ip~0.offset, 4);havoc #t~mem4;call ULTIMATE.dealloc(~op.base, ~op.offset); 195#L19 call #t~ret5 := rec(~ip~0.base, ~ip~0.offset);< 179#recENTRY [2021-12-06 23:41:46,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:41:46,380 INFO L85 PathProgramCache]: Analyzing trace with hash -15731550, now seen corresponding path program 1 times [2021-12-06 23:41:46,380 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:41:46,380 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775795032] [2021-12-06 23:41:46,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:41:46,381 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:41:46,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:41:46,419 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 23:41:46,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:41:46,448 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 23:41:46,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:41:46,448 INFO L85 PathProgramCache]: Analyzing trace with hash 29951, now seen corresponding path program 1 times [2021-12-06 23:41:46,449 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:41:46,449 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869309180] [2021-12-06 23:41:46,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:41:46,449 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:41:46,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:41:46,462 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 23:41:46,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:41:46,474 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 23:41:46,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:41:46,475 INFO L85 PathProgramCache]: Analyzing trace with hash -507170626, now seen corresponding path program 2 times [2021-12-06 23:41:46,475 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:41:46,476 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194773414] [2021-12-06 23:41:46,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:41:46,476 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:41:46,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:41:46,510 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 23:41:46,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:41:46,542 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 23:41:47,743 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 23:41:47,743 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 23:41:47,743 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 23:41:47,743 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 23:41:47,743 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 23:41:47,743 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:41:47,743 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 23:41:47,743 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 23:41:47,743 INFO L133 ssoRankerPreferences]: Filename of dumped script: rec_malloc_ex11B.i_Iteration2_Lasso [2021-12-06 23:41:47,743 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 23:41:47,743 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 23:41:47,746 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:41:47,747 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:41:47,748 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:41:47,846 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:41:47,847 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:41:47,848 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:41:47,849 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:41:47,849 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:41:47,850 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:41:47,851 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:41:47,852 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:41:47,853 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:41:47,854 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:41:47,855 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:41:47,855 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:41:47,856 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:41:47,857 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:41:47,858 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:41:47,859 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:41:47,860 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:41:47,861 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:41:47,861 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:41:47,863 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:41:47,863 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:41:47,864 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:41:47,865 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:41:47,866 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:41:47,867 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:41:47,868 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:41:47,869 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:41:47,870 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:41:47,871 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:41:47,872 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:41:48,105 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 23:41:48,105 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 23:41:48,105 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:41:48,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:41:48,106 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:41:48,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-12-06 23:41:48,109 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:41:48,116 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:41:48,116 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:41:48,116 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:41:48,116 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:41:48,116 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:41:48,117 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 23:41:48,117 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:41:48,118 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:41:48,137 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2021-12-06 23:41:48,137 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:41:48,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:41:48,138 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:41:48,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-12-06 23:41:48,139 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:41:48,146 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:41:48,146 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:41:48,146 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:41:48,146 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:41:48,146 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:41:48,147 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 23:41:48,147 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:41:48,148 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:41:48,167 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2021-12-06 23:41:48,167 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:41:48,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:41:48,168 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:41:48,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-12-06 23:41:48,169 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:41:48,176 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:41:48,176 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:41:48,176 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:41:48,176 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:41:48,178 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 23:41:48,178 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 23:41:48,183 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:41:48,201 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2021-12-06 23:41:48,201 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:41:48,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:41:48,202 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:41:48,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-12-06 23:41:48,204 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:41:48,211 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:41:48,211 INFO L203 nArgumentSynthesizer]: 8 stem disjuncts [2021-12-06 23:41:48,211 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-12-06 23:41:48,211 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:41:48,221 INFO L401 nArgumentSynthesizer]: We have 44 Motzkin's Theorem applications. [2021-12-06 23:41:48,221 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-12-06 23:41:48,249 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:41:48,268 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-12-06 23:41:48,268 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:41:48,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:41:48,268 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:41:48,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-12-06 23:41:48,269 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:41:48,277 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:41:48,277 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:41:48,277 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:41:48,277 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:41:48,278 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 23:41:48,278 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 23:41:48,280 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:41:48,298 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2021-12-06 23:41:48,299 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:41:48,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:41:48,299 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:41:48,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-12-06 23:41:48,301 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:41:48,307 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:41:48,308 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:41:48,308 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:41:48,308 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:41:48,309 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 23:41:48,309 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 23:41:48,313 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:41:48,331 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-12-06 23:41:48,331 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:41:48,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:41:48,332 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:41:48,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-12-06 23:41:48,333 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:41:48,339 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:41:48,339 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:41:48,339 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:41:48,339 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:41:48,340 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 23:41:48,341 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 23:41:48,342 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:41:48,361 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-12-06 23:41:48,361 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:41:48,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:41:48,362 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:41:48,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-12-06 23:41:48,363 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:41:48,370 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:41:48,370 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:41:48,370 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:41:48,370 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:41:48,373 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 23:41:48,373 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 23:41:48,380 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-06 23:41:48,396 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2021-12-06 23:41:48,396 INFO L444 ModelExtractionUtils]: 2 out of 16 variables were initially zero. Simplification set additionally 11 variables to zero. [2021-12-06 23:41:48,396 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:41:48,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:41:48,397 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:41:48,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-12-06 23:41:48,397 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-06 23:41:48,406 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-06 23:41:48,406 INFO L513 LassoAnalysis]: Proved termination. [2021-12-06 23:41:48,406 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int rec_#in~op.base) rec_#in~op.offset)_1) = 2*v_rep(select (select #memory_int rec_#in~op.base) rec_#in~op.offset)_1 + 1 Supporting invariants [] [2021-12-06 23:41:48,424 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2021-12-06 23:41:48,428 INFO L297 tatePredicateManager]: 2 out of 2 supporting invariants were superfluous and have been removed [2021-12-06 23:41:48,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:41:48,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:41:48,457 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-06 23:41:48,458 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:41:48,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:41:48,479 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 21 conjunts are in the unsatisfiable core [2021-12-06 23:41:48,480 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:41:48,514 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-12-06 23:41:48,515 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 38 [2021-12-06 23:41:48,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:41:48,541 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-12-06 23:41:48,541 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 46 states and 57 transitions. cyclomatic complexity: 16 Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:41:48,590 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 46 states and 57 transitions. cyclomatic complexity: 16. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 128 states and 165 transitions. Complement of second has 17 states. [2021-12-06 23:41:48,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2021-12-06 23:41:48,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:41:48,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 19 transitions. [2021-12-06 23:41:48,592 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 8 letters. Loop has 3 letters. [2021-12-06 23:41:48,592 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 23:41:48,592 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 11 letters. Loop has 3 letters. [2021-12-06 23:41:48,593 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 23:41:48,593 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 8 letters. Loop has 6 letters. [2021-12-06 23:41:48,593 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 23:41:48,593 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 128 states and 165 transitions. [2021-12-06 23:41:48,597 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 16 [2021-12-06 23:41:48,601 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 128 states to 110 states and 147 transitions. [2021-12-06 23:41:48,601 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 57 [2021-12-06 23:41:48,602 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 61 [2021-12-06 23:41:48,602 INFO L73 IsDeterministic]: Start isDeterministic. Operand 110 states and 147 transitions. [2021-12-06 23:41:48,602 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 23:41:48,602 INFO L681 BuchiCegarLoop]: Abstraction has 110 states and 147 transitions. [2021-12-06 23:41:48,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states and 147 transitions. [2021-12-06 23:41:48,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 104. [2021-12-06 23:41:48,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 73 states have (on average 1.2602739726027397) internal successors, (92), 78 states have internal predecessors, (92), 17 states have call successors, (17), 14 states have call predecessors, (17), 14 states have return successors, (26), 11 states have call predecessors, (26), 17 states have call successors, (26) [2021-12-06 23:41:48,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 135 transitions. [2021-12-06 23:41:48,612 INFO L704 BuchiCegarLoop]: Abstraction has 104 states and 135 transitions. [2021-12-06 23:41:48,612 INFO L587 BuchiCegarLoop]: Abstraction has 104 states and 135 transitions. [2021-12-06 23:41:48,612 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-12-06 23:41:48,612 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 104 states and 135 transitions. [2021-12-06 23:41:48,615 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 16 [2021-12-06 23:41:48,615 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 23:41:48,615 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 23:41:48,615 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:41:48,615 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:41:48,615 INFO L791 eck$LassoCheckResult]: Stem: 418#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 419#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~nondet7#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet10#1, main_#t~mem13#1, main_#t~ret11#1, main_#t~ite12#1, main_~pp~0#1.base, main_~pp~0#1.offset, main_#t~mem8#1, main_~qq~0#1.base, main_~qq~0#1.offset;call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnHeap(4);main_~qq~0#1.base, main_~qq~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset;call write~int(main_#t~nondet7#1, main_~qq~0#1.base, main_~qq~0#1.offset, 4);havoc main_#t~nondet7#1; 442#L28-3 call main_#t~mem8#1 := read~int(main_~qq~0#1.base, main_~qq~0#1.offset, 4); 503#L28-1 assume !!(main_#t~mem8#1 > 1);havoc main_#t~mem8#1;call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnHeap(4);main_~pp~0#1.base, main_~pp~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;havoc main_#t~malloc9#1.base, main_#t~malloc9#1.offset;call write~int(main_#t~nondet10#1, main_~pp~0#1.base, main_~pp~0#1.offset, 4);havoc main_#t~nondet10#1;call main_#t~mem13#1 := read~int(main_~qq~0#1.base, main_~qq~0#1.offset, 4); 492#L33 call main_#t~ret11#1 := rec(main_~pp~0#1.base, main_~pp~0#1.offset);< 501#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 507#L9 assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int(~op.base, ~op.offset, 4);~r~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~op.base, ~op.offset);#res := ~r~0; 504#recFINAL assume true; 500#recEXIT >#39#return; 432#L33-1 assume !(main_#t~ret11#1 <= -1);main_#t~ite12#1 := 1; 433#L33-3 [2021-12-06 23:41:48,616 INFO L793 eck$LassoCheckResult]: Loop: 433#L33-3 call write~int(main_#t~mem13#1 + main_#t~ite12#1, main_~qq~0#1.base, main_~qq~0#1.offset, 4);havoc main_#t~mem13#1;havoc main_#t~ret11#1;havoc main_#t~ite12#1; 452#L28-3 call main_#t~mem8#1 := read~int(main_~qq~0#1.base, main_~qq~0#1.offset, 4); 446#L28-1 assume !!(main_#t~mem8#1 > 1);havoc main_#t~mem8#1;call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnHeap(4);main_~pp~0#1.base, main_~pp~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;havoc main_#t~malloc9#1.base, main_#t~malloc9#1.offset;call write~int(main_#t~nondet10#1, main_~pp~0#1.base, main_~pp~0#1.offset, 4);havoc main_#t~nondet10#1;call main_#t~mem13#1 := read~int(main_~qq~0#1.base, main_~qq~0#1.offset, 4); 447#L33 call main_#t~ret11#1 := rec(main_~pp~0#1.base, main_~pp~0#1.offset);< 466#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 486#L9 assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int(~op.base, ~op.offset, 4);~r~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~op.base, ~op.offset);#res := ~r~0; 487#recFINAL assume true; 465#recEXIT >#39#return; 462#L33-1 assume main_#t~ret11#1 <= -1;main_#t~ite12#1 := -1; 433#L33-3 [2021-12-06 23:41:48,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:41:48,616 INFO L85 PathProgramCache]: Analyzing trace with hash 2061793209, now seen corresponding path program 1 times [2021-12-06 23:41:48,616 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:41:48,616 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010756319] [2021-12-06 23:41:48,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:41:48,616 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:41:48,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:41:48,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 23:41:48,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:41:48,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:41:48,673 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:41:48,673 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010756319] [2021-12-06 23:41:48,674 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2010756319] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:41:48,674 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:41:48,674 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 23:41:48,674 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456064261] [2021-12-06 23:41:48,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:41:48,677 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-06 23:41:48,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:41:48,677 INFO L85 PathProgramCache]: Analyzing trace with hash -1530037457, now seen corresponding path program 2 times [2021-12-06 23:41:48,677 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:41:48,677 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707167705] [2021-12-06 23:41:48,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:41:48,678 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:41:48,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:41:48,689 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 23:41:48,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:41:48,702 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 23:41:48,992 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2021-12-06 23:41:49,037 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:41:49,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 23:41:49,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 23:41:49,040 INFO L87 Difference]: Start difference. First operand 104 states and 135 transitions. cyclomatic complexity: 41 Second operand has 6 states, 5 states have (on average 1.6) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 23:41:49,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:41:49,073 INFO L93 Difference]: Finished difference Result 98 states and 123 transitions. [2021-12-06 23:41:49,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 23:41:49,074 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 98 states and 123 transitions. [2021-12-06 23:41:49,076 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 13 [2021-12-06 23:41:49,078 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 98 states to 92 states and 117 transitions. [2021-12-06 23:41:49,078 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 47 [2021-12-06 23:41:49,079 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 47 [2021-12-06 23:41:49,079 INFO L73 IsDeterministic]: Start isDeterministic. Operand 92 states and 117 transitions. [2021-12-06 23:41:49,079 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 23:41:49,079 INFO L681 BuchiCegarLoop]: Abstraction has 92 states and 117 transitions. [2021-12-06 23:41:49,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states and 117 transitions. [2021-12-06 23:41:49,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 90. [2021-12-06 23:41:49,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 62 states have (on average 1.2096774193548387) internal successors, (75), 68 states have internal predecessors, (75), 14 states have call successors, (14), 11 states have call predecessors, (14), 14 states have return successors, (26), 10 states have call predecessors, (26), 14 states have call successors, (26) [2021-12-06 23:41:49,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 115 transitions. [2021-12-06 23:41:49,086 INFO L704 BuchiCegarLoop]: Abstraction has 90 states and 115 transitions. [2021-12-06 23:41:49,086 INFO L587 BuchiCegarLoop]: Abstraction has 90 states and 115 transitions. [2021-12-06 23:41:49,086 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-12-06 23:41:49,086 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 90 states and 115 transitions. [2021-12-06 23:41:49,087 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 12 [2021-12-06 23:41:49,087 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 23:41:49,087 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 23:41:49,088 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:41:49,089 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:41:49,089 INFO L791 eck$LassoCheckResult]: Stem: 635#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 636#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~nondet7#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet10#1, main_#t~mem13#1, main_#t~ret11#1, main_#t~ite12#1, main_~pp~0#1.base, main_~pp~0#1.offset, main_#t~mem8#1, main_~qq~0#1.base, main_~qq~0#1.offset;call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnHeap(4);main_~qq~0#1.base, main_~qq~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset;call write~int(main_#t~nondet7#1, main_~qq~0#1.base, main_~qq~0#1.offset, 4);havoc main_#t~nondet7#1; 659#L28-3 call main_#t~mem8#1 := read~int(main_~qq~0#1.base, main_~qq~0#1.offset, 4); 672#L28-1 assume !!(main_#t~mem8#1 > 1);havoc main_#t~mem8#1;call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnHeap(4);main_~pp~0#1.base, main_~pp~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;havoc main_#t~malloc9#1.base, main_#t~malloc9#1.offset;call write~int(main_#t~nondet10#1, main_~pp~0#1.base, main_~pp~0#1.offset, 4);havoc main_#t~nondet10#1;call main_#t~mem13#1 := read~int(main_~qq~0#1.base, main_~qq~0#1.offset, 4); 666#L33 call main_#t~ret11#1 := rec(main_~pp~0#1.base, main_~pp~0#1.offset);< 665#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 667#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~ip~0.base, ~ip~0.offset := #t~malloc3.base, #t~malloc3.offset;havoc #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int(~op.base, ~op.offset, 4);call write~int(#t~mem4 - 1, ~ip~0.base, ~ip~0.offset, 4);havoc #t~mem4;call ULTIMATE.dealloc(~op.base, ~op.offset); 640#L19 call #t~ret5 := rec(~ip~0.base, ~ip~0.offset);< 692#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 700#L9 assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int(~op.base, ~op.offset, 4);~r~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~op.base, ~op.offset);#res := ~r~0; 706#recFINAL assume true; 691#recEXIT >#37#return; 689#L19-1 #res := #t~ret5;havoc #t~ret5; 686#recFINAL assume true; 680#recEXIT >#39#return; 649#L33-1 assume !(main_#t~ret11#1 <= -1);main_#t~ite12#1 := 1; 650#L33-3 [2021-12-06 23:41:49,089 INFO L793 eck$LassoCheckResult]: Loop: 650#L33-3 call write~int(main_#t~mem13#1 + main_#t~ite12#1, main_~qq~0#1.base, main_~qq~0#1.offset, 4);havoc main_#t~mem13#1;havoc main_#t~ret11#1;havoc main_#t~ite12#1; 670#L28-3 call main_#t~mem8#1 := read~int(main_~qq~0#1.base, main_~qq~0#1.offset, 4); 663#L28-1 assume !!(main_#t~mem8#1 > 1);havoc main_#t~mem8#1;call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnHeap(4);main_~pp~0#1.base, main_~pp~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;havoc main_#t~malloc9#1.base, main_#t~malloc9#1.offset;call write~int(main_#t~nondet10#1, main_~pp~0#1.base, main_~pp~0#1.offset, 4);havoc main_#t~nondet10#1;call main_#t~mem13#1 := read~int(main_~qq~0#1.base, main_~qq~0#1.offset, 4); 653#L33 call main_#t~ret11#1 := rec(main_~pp~0#1.base, main_~pp~0#1.offset);< 654#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 690#L9 assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int(~op.base, ~op.offset, 4);~r~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~op.base, ~op.offset);#res := ~r~0; 687#recFINAL assume true; 682#recEXIT >#39#return; 678#L33-1 assume main_#t~ret11#1 <= -1;main_#t~ite12#1 := -1; 650#L33-3 [2021-12-06 23:41:49,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:41:49,089 INFO L85 PathProgramCache]: Analyzing trace with hash 970657719, now seen corresponding path program 1 times [2021-12-06 23:41:49,089 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:41:49,089 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515428680] [2021-12-06 23:41:49,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:41:49,090 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:41:49,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:41:49,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 23:41:49,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:41:49,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 23:41:49,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:41:49,146 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-06 23:41:49,146 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:41:49,146 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515428680] [2021-12-06 23:41:49,146 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [515428680] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:41:49,146 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:41:49,146 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 23:41:49,146 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766752579] [2021-12-06 23:41:49,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:41:49,147 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-06 23:41:49,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:41:49,147 INFO L85 PathProgramCache]: Analyzing trace with hash -1530037457, now seen corresponding path program 3 times [2021-12-06 23:41:49,147 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:41:49,147 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189839208] [2021-12-06 23:41:49,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:41:49,148 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:41:49,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:41:49,155 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 23:41:49,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:41:49,164 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 23:41:49,420 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:41:49,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-06 23:41:49,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-06 23:41:49,421 INFO L87 Difference]: Start difference. First operand 90 states and 115 transitions. cyclomatic complexity: 33 Second operand has 7 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-06 23:41:49,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:41:49,444 INFO L93 Difference]: Finished difference Result 76 states and 96 transitions. [2021-12-06 23:41:49,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 23:41:49,445 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 76 states and 96 transitions. [2021-12-06 23:41:49,446 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-06 23:41:49,447 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 76 states to 52 states and 63 transitions. [2021-12-06 23:41:49,447 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2021-12-06 23:41:49,447 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2021-12-06 23:41:49,447 INFO L73 IsDeterministic]: Start isDeterministic. Operand 52 states and 63 transitions. [2021-12-06 23:41:49,447 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 23:41:49,447 INFO L681 BuchiCegarLoop]: Abstraction has 52 states and 63 transitions. [2021-12-06 23:41:49,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states and 63 transitions. [2021-12-06 23:41:49,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 49. [2021-12-06 23:41:49,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 34 states have (on average 1.1764705882352942) internal successors, (40), 38 states have internal predecessors, (40), 8 states have call successors, (8), 6 states have call predecessors, (8), 7 states have return successors, (12), 4 states have call predecessors, (12), 6 states have call successors, (12) [2021-12-06 23:41:49,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 60 transitions. [2021-12-06 23:41:49,451 INFO L704 BuchiCegarLoop]: Abstraction has 49 states and 60 transitions. [2021-12-06 23:41:49,451 INFO L587 BuchiCegarLoop]: Abstraction has 49 states and 60 transitions. [2021-12-06 23:41:49,451 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-12-06 23:41:49,451 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 49 states and 60 transitions. [2021-12-06 23:41:49,451 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-06 23:41:49,451 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 23:41:49,452 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 23:41:49,452 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:41:49,452 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-06 23:41:49,452 INFO L791 eck$LassoCheckResult]: Stem: 833#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 834#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~nondet7#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet10#1, main_#t~mem13#1, main_#t~ret11#1, main_#t~ite12#1, main_~pp~0#1.base, main_~pp~0#1.offset, main_#t~mem8#1, main_~qq~0#1.base, main_~qq~0#1.offset;call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnHeap(4);main_~qq~0#1.base, main_~qq~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset;call write~int(main_#t~nondet7#1, main_~qq~0#1.base, main_~qq~0#1.offset, 4);havoc main_#t~nondet7#1; 843#L28-3 call main_#t~mem8#1 := read~int(main_~qq~0#1.base, main_~qq~0#1.offset, 4); 850#L28-1 assume !!(main_#t~mem8#1 > 1);havoc main_#t~mem8#1;call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnHeap(4);main_~pp~0#1.base, main_~pp~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;havoc main_#t~malloc9#1.base, main_#t~malloc9#1.offset;call write~int(main_#t~nondet10#1, main_~pp~0#1.base, main_~pp~0#1.offset, 4);havoc main_#t~nondet10#1;call main_#t~mem13#1 := read~int(main_~qq~0#1.base, main_~qq~0#1.offset, 4); 858#L33 call main_#t~ret11#1 := rec(main_~pp~0#1.base, main_~pp~0#1.offset);< 859#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 861#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~ip~0.base, ~ip~0.offset := #t~malloc3.base, #t~malloc3.offset;havoc #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int(~op.base, ~op.offset, 4);call write~int(#t~mem4 - 1, ~ip~0.base, ~ip~0.offset, 4);havoc #t~mem4;call ULTIMATE.dealloc(~op.base, ~op.offset); 829#L19 call #t~ret5 := rec(~ip~0.base, ~ip~0.offset);< 868#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 845#L9 assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int(~op.base, ~op.offset, 4);~r~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~op.base, ~op.offset);#res := ~r~0; 846#recFINAL assume true; 854#recEXIT >#37#return; 862#L19-1 #res := #t~ret5;havoc #t~ret5; 864#recFINAL assume true; 863#recEXIT >#39#return; 835#L33-1 assume main_#t~ret11#1 <= -1;main_#t~ite12#1 := -1; 836#L33-3 call write~int(main_#t~mem13#1 + main_#t~ite12#1, main_~qq~0#1.base, main_~qq~0#1.offset, 4);havoc main_#t~mem13#1;havoc main_#t~ret11#1;havoc main_#t~ite12#1; 855#L28-3 call main_#t~mem8#1 := read~int(main_~qq~0#1.base, main_~qq~0#1.offset, 4); 847#L28-1 assume !!(main_#t~mem8#1 > 1);havoc main_#t~mem8#1;call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnHeap(4);main_~pp~0#1.base, main_~pp~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;havoc main_#t~malloc9#1.base, main_#t~malloc9#1.offset;call write~int(main_#t~nondet10#1, main_~pp~0#1.base, main_~pp~0#1.offset, 4);havoc main_#t~nondet10#1;call main_#t~mem13#1 := read~int(main_~qq~0#1.base, main_~qq~0#1.offset, 4); 839#L33 call main_#t~ret11#1 := rec(main_~pp~0#1.base, main_~pp~0#1.offset);< 838#recENTRY [2021-12-06 23:41:49,452 INFO L793 eck$LassoCheckResult]: Loop: 838#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 844#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~ip~0.base, ~ip~0.offset := #t~malloc3.base, #t~malloc3.offset;havoc #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int(~op.base, ~op.offset, 4);call write~int(#t~mem4 - 1, ~ip~0.base, ~ip~0.offset, 4);havoc #t~mem4;call ULTIMATE.dealloc(~op.base, ~op.offset); 837#L19 call #t~ret5 := rec(~ip~0.base, ~ip~0.offset);< 838#recENTRY [2021-12-06 23:41:49,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:41:49,453 INFO L85 PathProgramCache]: Analyzing trace with hash -1312873862, now seen corresponding path program 1 times [2021-12-06 23:41:49,453 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:41:49,453 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051181024] [2021-12-06 23:41:49,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:41:49,453 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:41:49,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:41:49,470 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 23:41:49,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:41:49,487 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 23:41:49,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:41:49,488 INFO L85 PathProgramCache]: Analyzing trace with hash 29951, now seen corresponding path program 2 times [2021-12-06 23:41:49,488 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:41:49,488 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210398569] [2021-12-06 23:41:49,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:41:49,488 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:41:49,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:41:49,493 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 23:41:49,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:41:49,498 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 23:41:49,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:41:49,498 INFO L85 PathProgramCache]: Analyzing trace with hash -1853025306, now seen corresponding path program 2 times [2021-12-06 23:41:49,499 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:41:49,499 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57116013] [2021-12-06 23:41:49,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:41:49,499 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:41:49,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:41:49,519 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 23:41:49,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:41:49,539 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 23:41:52,945 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 23:41:52,946 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 23:41:52,946 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 23:41:52,946 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 23:41:52,946 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 23:41:52,946 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:41:52,946 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 23:41:52,950 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 23:41:52,950 INFO L133 ssoRankerPreferences]: Filename of dumped script: rec_malloc_ex11B.i_Iteration5_Lasso [2021-12-06 23:41:52,950 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 23:41:52,950 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 23:41:52,956 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:41:52,957 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:41:52,958 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:41:52,959 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:41:52,960 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:41:52,961 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:41:52,962 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:41:52,963 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:41:52,964 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:41:52,964 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:41:52,965 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:41:52,966 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:41:52,967 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:41:52,968 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:41:52,969 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:41:52,970 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:41:52,971 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:41:52,972 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:41:52,973 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:41:52,974 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:41:52,975 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:41:52,976 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:41:52,976 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:41:52,977 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:41:52,978 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:41:52,979 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:41:52,980 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:41:53,072 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:41:53,073 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:41:53,074 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:41:53,075 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:41:53,076 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:41:53,076 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:41:53,388 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 23:41:53,389 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 23:41:53,389 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:41:53,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:41:53,389 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:41:53,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-12-06 23:41:53,391 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:41:53,397 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:41:53,398 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:41:53,398 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:41:53,398 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:41:53,398 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:41:53,398 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 23:41:53,398 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:41:53,399 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:41:53,417 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2021-12-06 23:41:53,417 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:41:53,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:41:53,418 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:41:53,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-12-06 23:41:53,419 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:41:53,426 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:41:53,426 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:41:53,426 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:41:53,426 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:41:53,426 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:41:53,426 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 23:41:53,426 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:41:53,428 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:41:53,446 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2021-12-06 23:41:53,446 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:41:53,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:41:53,447 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:41:53,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-12-06 23:41:53,448 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:41:53,455 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:41:53,455 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:41:53,455 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:41:53,455 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:41:53,455 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:41:53,455 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 23:41:53,455 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:41:53,456 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:41:53,474 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-12-06 23:41:53,474 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:41:53,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:41:53,475 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:41:53,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-12-06 23:41:53,476 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:41:53,483 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:41:53,483 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:41:53,484 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:41:53,484 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:41:53,484 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:41:53,484 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 23:41:53,484 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:41:53,485 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:41:53,503 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-12-06 23:41:53,503 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:41:53,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:41:53,504 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:41:53,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-12-06 23:41:53,505 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:41:53,512 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:41:53,512 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:41:53,512 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:41:53,512 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:41:53,513 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 23:41:53,513 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 23:41:53,516 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:41:53,533 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2021-12-06 23:41:53,534 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:41:53,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:41:53,534 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:41:53,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-12-06 23:41:53,536 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:41:53,543 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:41:53,543 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:41:53,543 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:41:53,543 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:41:53,543 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:41:53,544 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 23:41:53,544 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:41:53,545 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:41:53,563 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2021-12-06 23:41:53,563 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:41:53,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:41:53,563 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:41:53,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-12-06 23:41:53,565 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:41:53,571 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:41:53,572 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:41:53,572 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:41:53,572 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:41:53,572 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:41:53,572 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 23:41:53,572 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:41:53,573 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:41:53,591 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-12-06 23:41:53,591 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:41:53,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:41:53,592 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:41:53,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-12-06 23:41:53,593 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:41:53,600 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:41:53,600 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:41:53,600 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:41:53,600 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:41:53,600 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:41:53,600 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 23:41:53,600 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:41:53,601 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:41:53,619 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2021-12-06 23:41:53,619 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:41:53,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:41:53,620 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:41:53,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-12-06 23:41:53,621 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:41:53,628 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:41:53,628 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:41:53,628 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:41:53,628 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:41:53,628 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:41:53,628 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 23:41:53,628 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:41:53,629 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:41:53,647 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2021-12-06 23:41:53,647 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:41:53,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:41:53,648 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:41:53,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-12-06 23:41:53,649 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:41:53,657 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:41:53,657 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:41:53,657 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:41:53,657 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:41:53,657 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:41:53,657 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 23:41:53,657 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:41:53,658 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:41:53,677 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-12-06 23:41:53,677 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:41:53,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:41:53,678 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:41:53,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-12-06 23:41:53,679 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:41:53,686 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:41:53,686 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:41:53,686 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:41:53,686 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:41:53,687 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 23:41:53,687 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 23:41:53,698 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:41:53,716 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2021-12-06 23:41:53,716 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:41:53,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:41:53,717 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:41:53,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-12-06 23:41:53,718 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:41:53,725 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:41:53,725 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:41:53,725 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:41:53,725 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:41:53,725 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:41:53,726 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 23:41:53,726 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:41:53,726 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:41:53,744 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2021-12-06 23:41:53,744 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:41:53,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:41:53,745 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:41:53,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-12-06 23:41:53,746 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:41:53,753 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:41:53,753 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:41:53,753 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:41:53,753 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:41:53,753 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:41:53,753 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 23:41:53,753 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:41:53,754 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:41:53,772 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2021-12-06 23:41:53,773 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:41:53,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:41:53,773 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:41:53,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-12-06 23:41:53,774 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:41:53,782 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:41:53,782 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:41:53,782 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:41:53,782 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:41:53,782 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:41:53,782 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 23:41:53,782 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:41:53,783 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:41:53,802 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2021-12-06 23:41:53,802 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:41:53,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:41:53,802 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:41:53,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-12-06 23:41:53,808 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:41:53,815 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:41:53,815 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:41:53,815 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:41:53,815 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:41:53,815 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:41:53,815 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 23:41:53,815 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:41:53,816 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:41:53,834 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-12-06 23:41:53,835 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:41:53,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:41:53,835 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:41:53,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-12-06 23:41:53,836 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:41:53,843 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:41:53,843 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:41:53,843 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:41:53,843 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:41:53,843 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:41:53,844 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 23:41:53,844 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:41:53,845 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:41:53,863 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2021-12-06 23:41:53,863 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:41:53,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:41:53,864 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:41:53,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-12-06 23:41:53,865 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:41:53,872 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:41:53,872 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:41:53,872 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:41:53,872 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:41:53,872 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:41:53,873 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 23:41:53,873 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:41:53,874 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:41:53,892 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2021-12-06 23:41:53,892 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:41:53,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:41:53,892 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:41:53,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-12-06 23:41:53,894 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:41:53,901 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:41:53,901 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:41:53,901 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:41:53,901 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:41:53,901 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:41:53,901 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 23:41:53,901 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:41:53,902 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:41:53,921 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2021-12-06 23:41:53,921 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:41:53,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:41:53,922 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:41:53,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-12-06 23:41:53,923 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:41:53,930 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:41:53,930 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:41:53,930 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:41:53,930 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:41:53,930 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:41:53,930 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 23:41:53,930 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:41:53,931 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:41:53,949 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2021-12-06 23:41:53,949 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:41:53,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:41:53,950 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:41:53,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-12-06 23:41:53,951 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:41:53,958 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:41:53,958 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:41:53,958 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:41:53,958 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:41:53,958 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:41:53,959 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 23:41:53,959 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:41:53,960 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:41:53,977 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2021-12-06 23:41:53,977 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:41:53,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:41:53,978 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:41:53,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-12-06 23:41:53,980 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:41:53,986 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:41:53,986 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:41:53,987 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:41:53,987 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:41:53,987 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:41:53,987 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 23:41:53,987 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:41:53,988 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:41:54,005 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2021-12-06 23:41:54,006 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:41:54,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:41:54,006 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:41:54,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-12-06 23:41:54,008 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:41:54,014 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:41:54,014 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:41:54,015 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:41:54,015 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:41:54,015 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:41:54,015 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 23:41:54,015 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:41:54,016 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:41:54,034 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2021-12-06 23:41:54,034 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:41:54,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:41:54,035 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:41:54,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-12-06 23:41:54,037 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:41:54,043 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:41:54,043 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:41:54,044 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:41:54,044 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:41:54,044 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:41:54,044 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 23:41:54,044 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:41:54,045 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:41:54,063 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2021-12-06 23:41:54,063 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:41:54,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:41:54,064 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:41:54,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-12-06 23:41:54,065 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:41:54,071 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:41:54,071 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:41:54,072 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:41:54,072 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:41:54,072 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:41:54,072 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 23:41:54,072 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:41:54,073 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:41:54,090 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2021-12-06 23:41:54,091 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:41:54,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:41:54,091 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:41:54,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-12-06 23:41:54,092 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:41:54,100 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:41:54,100 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:41:54,100 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:41:54,100 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:41:54,100 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:41:54,100 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 23:41:54,101 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:41:54,102 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:41:54,120 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2021-12-06 23:41:54,120 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:41:54,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:41:54,121 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:41:54,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-12-06 23:41:54,122 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:41:54,129 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:41:54,129 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:41:54,129 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:41:54,129 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:41:54,129 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:41:54,129 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 23:41:54,129 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:41:54,130 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:41:54,148 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2021-12-06 23:41:54,148 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:41:54,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:41:54,149 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:41:54,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-12-06 23:41:54,150 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:41:54,157 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:41:54,157 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:41:54,157 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:41:54,157 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:41:54,157 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 23:41:54,157 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 23:41:54,159 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:41:54,177 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2021-12-06 23:41:54,177 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:41:54,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:41:54,178 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:41:54,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-12-06 23:41:54,179 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:41:54,185 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:41:54,186 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:41:54,186 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:41:54,186 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:41:54,187 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 23:41:54,187 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 23:41:54,191 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:41:54,209 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2021-12-06 23:41:54,209 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:41:54,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:41:54,210 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:41:54,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-12-06 23:41:54,211 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:41:54,218 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:41:54,218 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:41:54,218 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:41:54,218 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:41:54,220 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 23:41:54,220 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 23:41:54,224 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:41:54,242 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2021-12-06 23:41:54,242 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:41:54,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:41:54,243 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:41:54,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-12-06 23:41:54,243 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:41:54,250 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:41:54,250 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:41:54,250 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:41:54,250 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:41:54,252 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 23:41:54,252 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 23:41:54,254 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:41:54,271 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2021-12-06 23:41:54,271 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:41:54,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:41:54,272 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:41:54,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-12-06 23:41:54,274 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:41:54,281 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:41:54,281 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:41:54,281 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:41:54,281 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:41:54,282 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 23:41:54,282 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 23:41:54,284 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:41:54,302 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2021-12-06 23:41:54,302 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:41:54,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:41:54,303 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:41:54,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-12-06 23:41:54,304 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:41:54,311 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:41:54,311 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:41:54,311 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:41:54,311 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:41:54,312 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 23:41:54,312 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 23:41:54,315 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:41:54,334 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2021-12-06 23:41:54,334 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:41:54,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:41:54,334 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:41:54,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-12-06 23:41:54,336 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:41:54,343 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:41:54,343 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:41:54,343 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:41:54,343 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:41:54,344 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 23:41:54,344 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 23:41:54,348 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:41:54,366 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2021-12-06 23:41:54,366 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:41:54,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:41:54,367 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:41:54,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-12-06 23:41:54,368 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:41:54,375 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:41:54,375 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:41:54,375 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:41:54,375 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:41:54,376 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 23:41:54,377 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 23:41:54,381 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-06 23:41:54,386 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2021-12-06 23:41:54,386 INFO L444 ModelExtractionUtils]: 5 out of 10 variables were initially zero. Simplification set additionally 2 variables to zero. [2021-12-06 23:41:54,386 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:41:54,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:41:54,387 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:41:54,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-12-06 23:41:54,388 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-06 23:41:54,395 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-06 23:41:54,395 INFO L513 LassoAnalysis]: Proved termination. [2021-12-06 23:41:54,396 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int rec_#in~op.base) rec_#in~op.offset)_2) = 2*v_rep(select (select #memory_int rec_#in~op.base) rec_#in~op.offset)_2 + 1 Supporting invariants [] [2021-12-06 23:41:54,413 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2021-12-06 23:41:54,416 INFO L297 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2021-12-06 23:41:54,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:41:54,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:41:54,446 INFO L263 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-06 23:41:54,447 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:41:54,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:41:54,536 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 21 conjunts are in the unsatisfiable core [2021-12-06 23:41:54,536 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:41:54,564 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-12-06 23:41:54,564 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 38 [2021-12-06 23:41:54,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:41:54,586 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2021-12-06 23:41:54,586 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 49 states and 60 transitions. cyclomatic complexity: 16 Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-06 23:41:54,630 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 49 states and 60 transitions. cyclomatic complexity: 16. Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Result 78 states and 96 transitions. Complement of second has 16 states. [2021-12-06 23:41:54,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2021-12-06 23:41:54,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-06 23:41:54,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 10 transitions. [2021-12-06 23:41:54,631 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 10 transitions. Stem has 20 letters. Loop has 3 letters. [2021-12-06 23:41:54,632 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 23:41:54,632 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-12-06 23:41:54,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:41:54,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:41:54,678 INFO L263 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-06 23:41:54,680 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:41:54,690 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2021-12-06 23:41:54,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:41:54,785 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 21 conjunts are in the unsatisfiable core [2021-12-06 23:41:54,786 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:41:54,817 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-12-06 23:41:54,818 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 38 [2021-12-06 23:41:54,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:41:54,841 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.2 stem predicates 3 loop predicates [2021-12-06 23:41:54,842 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 49 states and 60 transitions. cyclomatic complexity: 16 Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-06 23:41:54,888 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 49 states and 60 transitions. cyclomatic complexity: 16. Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Result 78 states and 96 transitions. Complement of second has 16 states. [2021-12-06 23:41:54,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2021-12-06 23:41:54,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-06 23:41:54,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 10 transitions. [2021-12-06 23:41:54,890 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 10 transitions. Stem has 20 letters. Loop has 3 letters. [2021-12-06 23:41:54,890 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 23:41:54,890 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-12-06 23:41:54,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:41:54,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:41:54,923 INFO L263 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-06 23:41:54,924 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:41:55,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:41:55,010 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 21 conjunts are in the unsatisfiable core [2021-12-06 23:41:55,011 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:41:55,042 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-12-06 23:41:55,042 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 38 [2021-12-06 23:41:55,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:41:55,067 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2021-12-06 23:41:55,067 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 49 states and 60 transitions. cyclomatic complexity: 16 Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-06 23:41:55,122 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 49 states and 60 transitions. cyclomatic complexity: 16. Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Result 76 states and 88 transitions. Complement of second has 17 states. [2021-12-06 23:41:55,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 3 non-accepting loop states 1 accepting loop states [2021-12-06 23:41:55,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-06 23:41:55,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 21 transitions. [2021-12-06 23:41:55,123 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 21 transitions. Stem has 20 letters. Loop has 3 letters. [2021-12-06 23:41:55,124 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 23:41:55,124 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 21 transitions. Stem has 23 letters. Loop has 3 letters. [2021-12-06 23:41:55,124 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 23:41:55,124 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 21 transitions. Stem has 20 letters. Loop has 6 letters. [2021-12-06 23:41:55,125 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 23:41:55,125 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 76 states and 88 transitions. [2021-12-06 23:41:55,126 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-06 23:41:55,126 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 76 states to 0 states and 0 transitions. [2021-12-06 23:41:55,126 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-12-06 23:41:55,126 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-12-06 23:41:55,126 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-12-06 23:41:55,126 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 23:41:55,126 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 23:41:55,126 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 23:41:55,126 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 23:41:55,126 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-12-06 23:41:55,126 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-12-06 23:41:55,127 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-06 23:41:55,127 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-12-06 23:41:55,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.12 11:41:55 BoogieIcfgContainer [2021-12-06 23:41:55,132 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-06 23:41:55,133 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 23:41:55,133 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 23:41:55,133 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 23:41:55,133 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 11:41:44" (3/4) ... [2021-12-06 23:41:55,136 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-06 23:41:55,136 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 23:41:55,136 INFO L158 Benchmark]: Toolchain (without parser) took 11051.42ms. Allocated memory was 104.9MB in the beginning and 151.0MB in the end (delta: 46.1MB). Free memory was 68.6MB in the beginning and 49.9MB in the end (delta: 18.7MB). Peak memory consumption was 64.9MB. Max. memory is 16.1GB. [2021-12-06 23:41:55,137 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 104.9MB. Free memory is still 84.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 23:41:55,137 INFO L158 Benchmark]: CACSL2BoogieTranslator took 152.54ms. Allocated memory is still 104.9MB. Free memory was 68.3MB in the beginning and 81.2MB in the end (delta: -12.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-06 23:41:55,137 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.12ms. Allocated memory is still 104.9MB. Free memory was 81.2MB in the beginning and 79.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 23:41:55,137 INFO L158 Benchmark]: Boogie Preprocessor took 19.23ms. Allocated memory is still 104.9MB. Free memory was 79.7MB in the beginning and 78.7MB in the end (delta: 988.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 23:41:55,138 INFO L158 Benchmark]: RCFGBuilder took 246.91ms. Allocated memory is still 104.9MB. Free memory was 78.7MB in the beginning and 68.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-06 23:41:55,138 INFO L158 Benchmark]: BuchiAutomizer took 10600.78ms. Allocated memory was 104.9MB in the beginning and 151.0MB in the end (delta: 46.1MB). Free memory was 68.1MB in the beginning and 49.9MB in the end (delta: 18.2MB). Peak memory consumption was 67.5MB. Max. memory is 16.1GB. [2021-12-06 23:41:55,138 INFO L158 Benchmark]: Witness Printer took 3.09ms. Allocated memory is still 151.0MB. Free memory is still 49.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 23:41:55,139 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 104.9MB. Free memory is still 84.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 152.54ms. Allocated memory is still 104.9MB. Free memory was 68.3MB in the beginning and 81.2MB in the end (delta: -12.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 24.12ms. Allocated memory is still 104.9MB. Free memory was 81.2MB in the beginning and 79.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.23ms. Allocated memory is still 104.9MB. Free memory was 79.7MB in the beginning and 78.7MB in the end (delta: 988.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 246.91ms. Allocated memory is still 104.9MB. Free memory was 78.7MB in the beginning and 68.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 10600.78ms. Allocated memory was 104.9MB in the beginning and 151.0MB in the end (delta: 46.1MB). Free memory was 68.1MB in the beginning and 49.9MB in the end (delta: 18.2MB). Peak memory consumption was 67.5MB. Max. memory is 16.1GB. * Witness Printer took 3.09ms. Allocated memory is still 151.0MB. Free memory is still 49.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (2 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function unknown-#memory_int-unknown[qq][qq] and consists of 9 locations. One deterministic module has affine ranking function 2 * unknown-#memory_int-unknown[op][op] + 1 and consists of 5 locations. One nondeterministic module has affine ranking function 2 * unknown-#memory_int-unknown[op][op] + 1 and consists of 6 locations. 2 modules have a trivial ranking function, the largest among these consists of 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 10.5s and 6 iterations. TraceHistogramMax:2. Analysis of lassos took 9.2s. Construction of modules took 0.1s. Büchi inclusion checks took 1.0s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 4. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 12 StatesRemovedByMinimization, 4 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 104 states and ocurred in iteration 2. Nontrivial modules had stage [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 66 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 61 mSDsluCounter, 202 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 122 mSDsCounter, 38 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 196 IncrementalHoareTripleChecker+Invalid, 234 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 38 mSolverCounterUnsat, 80 mSDtfsCounter, 196 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU2 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital394 mio100 ax100 hnf100 lsp97 ukn40 mio100 lsp29 div100 bol100 ite100 ukn100 eq160 hnf94 smp96 dnf450 smp77 tf100 neg85 sie158 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 48ms VariablesStem: 4 VariablesLoop: 2 DisjunctsStem: 8 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 44 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! [2021-12-06 23:41:55,167 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dd915a4-8fc6-4286-b891-a4d0ba3dacd2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE