./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-15/cstrchr_diffterm_alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f739cd77-360f-4d90-849e-ae061f53eeaa/bin/uautomizer-w2VwFs6gM0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f739cd77-360f-4d90-849e-ae061f53eeaa/bin/uautomizer-w2VwFs6gM0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f739cd77-360f-4d90-849e-ae061f53eeaa/bin/uautomizer-w2VwFs6gM0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f739cd77-360f-4d90-849e-ae061f53eeaa/bin/uautomizer-w2VwFs6gM0/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-15/cstrchr_diffterm_alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f739cd77-360f-4d90-849e-ae061f53eeaa/bin/uautomizer-w2VwFs6gM0/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f739cd77-360f-4d90-849e-ae061f53eeaa/bin/uautomizer-w2VwFs6gM0 --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 f27f7de04bee74889a56bbf881837a58685d2698bd59f8238a4f64af197ab581 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 14:53:51,143 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 14:53:51,147 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 14:53:51,217 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 14:53:51,218 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 14:53:51,223 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 14:53:51,226 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 14:53:51,231 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 14:53:51,234 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 14:53:51,241 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 14:53:51,243 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 14:53:51,245 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 14:53:51,246 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 14:53:51,249 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 14:53:51,251 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 14:53:51,254 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 14:53:51,255 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 14:53:51,256 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 14:53:51,260 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 14:53:51,263 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 14:53:51,266 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 14:53:51,273 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 14:53:51,275 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 14:53:51,278 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 14:53:51,283 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 14:53:51,288 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 14:53:51,289 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 14:53:51,290 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 14:53:51,293 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 14:53:51,294 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 14:53:51,295 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 14:53:51,297 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 14:53:51,299 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 14:53:51,301 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 14:53:51,304 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 14:53:51,304 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 14:53:51,305 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 14:53:51,306 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 14:53:51,306 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 14:53:51,307 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 14:53:51,309 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 14:53:51,310 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f739cd77-360f-4d90-849e-ae061f53eeaa/bin/uautomizer-w2VwFs6gM0/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-11-22 14:53:51,369 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 14:53:51,370 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 14:53:51,371 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-22 14:53:51,371 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-22 14:53:51,373 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 14:53:51,374 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 14:53:51,374 INFO L138 SettingsManager]: * Use SBE=true [2021-11-22 14:53:51,374 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-22 14:53:51,375 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-22 14:53:51,375 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-22 14:53:51,376 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-22 14:53:51,377 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-22 14:53:51,377 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-22 14:53:51,377 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 14:53:51,378 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-22 14:53:51,378 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 14:53:51,378 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 14:53:51,379 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-22 14:53:51,379 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-22 14:53:51,379 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-22 14:53:51,379 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 14:53:51,380 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-22 14:53:51,380 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 14:53:51,380 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-22 14:53:51,381 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 14:53:51,381 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-22 14:53:51,383 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 14:53:51,383 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-22 14:53:51,384 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-22 14:53:51,385 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-22 14:53:51,385 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_f739cd77-360f-4d90-849e-ae061f53eeaa/bin/uautomizer-w2VwFs6gM0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f739cd77-360f-4d90-849e-ae061f53eeaa/bin/uautomizer-w2VwFs6gM0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f27f7de04bee74889a56bbf881837a58685d2698bd59f8238a4f64af197ab581 [2021-11-22 14:53:51,709 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 14:53:51,750 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 14:53:51,753 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 14:53:51,755 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 14:53:51,756 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 14:53:51,758 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f739cd77-360f-4d90-849e-ae061f53eeaa/bin/uautomizer-w2VwFs6gM0/../../sv-benchmarks/c/termination-15/cstrchr_diffterm_alloca.i [2021-11-22 14:53:51,873 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f739cd77-360f-4d90-849e-ae061f53eeaa/bin/uautomizer-w2VwFs6gM0/data/a8275aaa5/00b7a0458c1d4d24813d23429ef14b9c/FLAG719344c87 [2021-11-22 14:53:52,648 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 14:53:52,649 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f739cd77-360f-4d90-849e-ae061f53eeaa/sv-benchmarks/c/termination-15/cstrchr_diffterm_alloca.i [2021-11-22 14:53:52,675 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f739cd77-360f-4d90-849e-ae061f53eeaa/bin/uautomizer-w2VwFs6gM0/data/a8275aaa5/00b7a0458c1d4d24813d23429ef14b9c/FLAG719344c87 [2021-11-22 14:53:52,895 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f739cd77-360f-4d90-849e-ae061f53eeaa/bin/uautomizer-w2VwFs6gM0/data/a8275aaa5/00b7a0458c1d4d24813d23429ef14b9c [2021-11-22 14:53:52,898 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 14:53:52,900 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 14:53:52,902 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 14:53:52,903 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 14:53:52,920 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 14:53:52,921 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:53:52" (1/1) ... [2021-11-22 14:53:52,922 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@257a11cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:53:52, skipping insertion in model container [2021-11-22 14:53:52,923 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:53:52" (1/1) ... [2021-11-22 14:53:52,932 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 14:53:52,968 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 14:53:53,393 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 14:53:53,404 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 14:53:53,468 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 14:53:53,533 INFO L208 MainTranslator]: Completed translation [2021-11-22 14:53:53,534 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:53:53 WrapperNode [2021-11-22 14:53:53,534 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 14:53:53,535 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 14:53:53,536 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 14:53:53,536 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 14:53:53,550 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:53:53" (1/1) ... [2021-11-22 14:53:53,581 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:53:53" (1/1) ... [2021-11-22 14:53:53,613 INFO L137 Inliner]: procedures = 152, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 49 [2021-11-22 14:53:53,614 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 14:53:53,616 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 14:53:53,616 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 14:53:53,616 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 14:53:53,626 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:53:53" (1/1) ... [2021-11-22 14:53:53,627 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:53:53" (1/1) ... [2021-11-22 14:53:53,644 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:53:53" (1/1) ... [2021-11-22 14:53:53,645 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:53:53" (1/1) ... [2021-11-22 14:53:53,652 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:53:53" (1/1) ... [2021-11-22 14:53:53,657 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:53:53" (1/1) ... [2021-11-22 14:53:53,658 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:53:53" (1/1) ... [2021-11-22 14:53:53,660 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 14:53:53,674 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 14:53:53,675 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 14:53:53,675 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 14:53:53,676 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:53:53" (1/1) ... [2021-11-22 14:53:53,688 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 14:53:53,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f739cd77-360f-4d90-849e-ae061f53eeaa/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:53:53,721 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f739cd77-360f-4d90-849e-ae061f53eeaa/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 14:53:53,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f739cd77-360f-4d90-849e-ae061f53eeaa/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-22 14:53:53,779 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-22 14:53:53,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-22 14:53:53,780 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-22 14:53:53,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-22 14:53:53,782 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 14:53:53,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 14:53:53,918 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 14:53:53,920 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 14:53:54,125 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 14:53:54,132 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 14:53:54,133 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-22 14:53:54,135 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:53:54 BoogieIcfgContainer [2021-11-22 14:53:54,135 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 14:53:54,137 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-22 14:53:54,137 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-22 14:53:54,141 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-22 14:53:54,142 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-22 14:53:54,142 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.11 02:53:52" (1/3) ... [2021-11-22 14:53:54,144 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1b016482 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.11 02:53:54, skipping insertion in model container [2021-11-22 14:53:54,145 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-22 14:53:54,145 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:53:53" (2/3) ... [2021-11-22 14:53:54,145 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1b016482 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.11 02:53:54, skipping insertion in model container [2021-11-22 14:53:54,145 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-22 14:53:54,146 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:53:54" (3/3) ... [2021-11-22 14:53:54,147 INFO L388 chiAutomizerObserver]: Analyzing ICFG cstrchr_diffterm_alloca.i [2021-11-22 14:53:54,205 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-22 14:53:54,205 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-22 14:53:54,205 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-22 14:53:54,205 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-22 14:53:54,205 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-22 14:53:54,206 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-22 14:53:54,206 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-22 14:53:54,206 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-22 14:53:54,246 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:53:54,287 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-22 14:53:54,287 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-22 14:53:54,288 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-22 14:53:54,311 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-11-22 14:53:54,311 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-22 14:53:54,312 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-22 14:53:54,312 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:53:54,315 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-22 14:53:54,315 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-22 14:53:54,315 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-22 14:53:54,316 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-11-22 14:53:54,316 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-22 14:53:54,325 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; 6#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet211#1, main_#t~malloc212#1.base, main_#t~malloc212#1.offset, main_#t~nondet213#1, main_#t~ret214#1.base, main_#t~ret214#1.offset, main_~length~0#1, main_~nondetString~0#1.base, main_~nondetString~0#1.offset;main_~length~0#1 := main_#t~nondet211#1;havoc main_#t~nondet211#1; 13#L372true assume !(main_~length~0#1 < 1); 15#L372-2true call main_#t~malloc212#1.base, main_#t~malloc212#1.offset := #Ultimate.allocOnStack(main_~length~0#1);main_~nondetString~0#1.base, main_~nondetString~0#1.offset := main_#t~malloc212#1.base, main_#t~malloc212#1.offset;call write~int(49, main_~nondetString~0#1.base, main_~nondetString~0#1.offset + (main_~length~0#1 - 1), 1);assume { :begin_inline_cstrchr } true;cstrchr_#in~s#1.base, cstrchr_#in~s#1.offset, cstrchr_#in~c#1 := main_~nondetString~0#1.base, main_~nondetString~0#1.offset, main_#t~nondet213#1;havoc cstrchr_#res#1.base, cstrchr_#res#1.offset;havoc cstrchr_#t~post208#1.base, cstrchr_#t~post208#1.offset, cstrchr_#t~mem205#1, cstrchr_#t~mem206#1, cstrchr_#t~short207#1, cstrchr_#t~mem209#1, cstrchr_#t~ite210#1.base, cstrchr_#t~ite210#1.offset, cstrchr_~s#1.base, cstrchr_~s#1.offset, cstrchr_~c#1;cstrchr_~s#1.base, cstrchr_~s#1.offset := cstrchr_#in~s#1.base, cstrchr_#in~s#1.offset;cstrchr_~c#1 := cstrchr_#in~c#1; 10#L366-5true [2021-11-22 14:53:54,342 INFO L793 eck$LassoCheckResult]: Loop: 10#L366-5true call cstrchr_#t~mem205#1 := read~int(cstrchr_~s#1.base, cstrchr_~s#1.offset, 1);cstrchr_#t~short207#1 := 49 != cstrchr_#t~mem205#1; 14#L366-1true assume cstrchr_#t~short207#1;call cstrchr_#t~mem206#1 := read~int(cstrchr_~s#1.base, cstrchr_~s#1.offset, 1);cstrchr_#t~short207#1 := cstrchr_#t~mem206#1 != (if cstrchr_~c#1 % 256 <= 127 then cstrchr_~c#1 % 256 else cstrchr_~c#1 % 256 - 256); 5#L366-3true assume !!cstrchr_#t~short207#1;havoc cstrchr_#t~mem205#1;havoc cstrchr_#t~mem206#1;havoc cstrchr_#t~short207#1;cstrchr_#t~post208#1.base, cstrchr_#t~post208#1.offset := cstrchr_~s#1.base, cstrchr_~s#1.offset;cstrchr_~s#1.base, cstrchr_~s#1.offset := cstrchr_#t~post208#1.base, 1 + cstrchr_#t~post208#1.offset;havoc cstrchr_#t~post208#1.base, cstrchr_#t~post208#1.offset; 10#L366-5true [2021-11-22 14:53:54,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:53:54,365 INFO L85 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2021-11-22 14:53:54,376 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:53:54,377 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671997731] [2021-11-22 14:53:54,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:53:54,379 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:53:54,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 14:53:54,569 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 14:53:54,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 14:53:54,643 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-22 14:53:54,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:53:54,647 INFO L85 PathProgramCache]: Analyzing trace with hash 43797, now seen corresponding path program 1 times [2021-11-22 14:53:54,648 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:53:54,648 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969839064] [2021-11-22 14:53:54,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:53:54,650 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:53:54,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 14:53:54,692 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 14:53:54,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 14:53:54,718 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-22 14:53:54,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:53:54,721 INFO L85 PathProgramCache]: Analyzing trace with hash 1806815409, now seen corresponding path program 1 times [2021-11-22 14:53:54,721 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:53:54,723 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530768336] [2021-11-22 14:53:54,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:53:54,723 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:53:54,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 14:53:54,789 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 14:53:54,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 14:53:54,843 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-22 14:53:55,466 INFO L210 LassoAnalysis]: Preferences: [2021-11-22 14:53:55,466 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-22 14:53:55,466 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-22 14:53:55,467 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-22 14:53:55,467 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-22 14:53:55,467 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 14:53:55,467 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-22 14:53:55,467 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-22 14:53:55,468 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrchr_diffterm_alloca.i_Iteration1_Lasso [2021-11-22 14:53:55,468 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-22 14:53:55,468 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-22 14:53:55,504 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 14:53:55,510 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 14:53:55,513 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 14:53:55,517 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 14:53:55,524 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 14:53:55,527 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 14:53:55,531 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 14:53:55,534 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 14:53:55,540 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 14:53:55,544 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 14:53:55,549 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 14:53:55,552 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 14:53:55,555 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 14:53:55,558 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 14:53:55,560 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 14:53:55,564 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 14:53:55,568 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 14:53:56,547 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-22 14:53:56,554 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-22 14:53:56,556 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 14:53:56,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f739cd77-360f-4d90-849e-ae061f53eeaa/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:53:56,559 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f739cd77-360f-4d90-849e-ae061f53eeaa/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 14:53:56,564 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 14:53:56,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f739cd77-360f-4d90-849e-ae061f53eeaa/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-22 14:53:56,574 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 14:53:56,574 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 14:53:56,575 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 14:53:56,575 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 14:53:56,575 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 14:53:56,577 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-22 14:53:56,577 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 14:53:56,591 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 14:53:56,632 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f739cd77-360f-4d90-849e-ae061f53eeaa/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-11-22 14:53:56,632 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 14:53:56,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f739cd77-360f-4d90-849e-ae061f53eeaa/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:53:56,634 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f739cd77-360f-4d90-849e-ae061f53eeaa/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 14:53:56,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f739cd77-360f-4d90-849e-ae061f53eeaa/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-22 14:53:56,637 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 14:53:56,645 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 14:53:56,646 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 14:53:56,646 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 14:53:56,646 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 14:53:56,646 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 14:53:56,649 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-22 14:53:56,649 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 14:53:56,665 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 14:53:56,703 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f739cd77-360f-4d90-849e-ae061f53eeaa/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-11-22 14:53:56,703 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 14:53:56,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f739cd77-360f-4d90-849e-ae061f53eeaa/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:53:56,706 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f739cd77-360f-4d90-849e-ae061f53eeaa/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 14:53:56,717 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 14:53:56,726 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 14:53:56,727 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 14:53:56,727 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 14:53:56,727 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 14:53:56,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f739cd77-360f-4d90-849e-ae061f53eeaa/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-22 14:53:56,734 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-22 14:53:56,734 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-22 14:53:56,749 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 14:53:56,788 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f739cd77-360f-4d90-849e-ae061f53eeaa/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-11-22 14:53:56,789 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 14:53:56,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f739cd77-360f-4d90-849e-ae061f53eeaa/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:53:56,790 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f739cd77-360f-4d90-849e-ae061f53eeaa/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 14:53:56,797 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 14:53:56,807 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 14:53:56,807 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 14:53:56,808 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 14:53:56,808 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 14:53:56,808 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 14:53:56,809 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-22 14:53:56,809 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 14:53:56,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f739cd77-360f-4d90-849e-ae061f53eeaa/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-22 14:53:56,821 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 14:53:56,865 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f739cd77-360f-4d90-849e-ae061f53eeaa/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-11-22 14:53:56,866 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 14:53:56,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f739cd77-360f-4d90-849e-ae061f53eeaa/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:53:56,868 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f739cd77-360f-4d90-849e-ae061f53eeaa/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 14:53:56,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f739cd77-360f-4d90-849e-ae061f53eeaa/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-22 14:53:56,873 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 14:53:56,885 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 14:53:56,886 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 14:53:56,886 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 14:53:56,886 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 14:53:56,886 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 14:53:56,887 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-22 14:53:56,887 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 14:53:56,901 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 14:53:56,939 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f739cd77-360f-4d90-849e-ae061f53eeaa/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-11-22 14:53:56,940 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 14:53:56,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f739cd77-360f-4d90-849e-ae061f53eeaa/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:53:56,942 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f739cd77-360f-4d90-849e-ae061f53eeaa/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 14:53:56,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f739cd77-360f-4d90-849e-ae061f53eeaa/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-22 14:53:56,949 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 14:53:56,957 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 14:53:56,958 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 14:53:56,958 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 14:53:56,958 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 14:53:56,958 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 14:53:56,959 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-22 14:53:56,959 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 14:53:56,993 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 14:53:57,034 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f739cd77-360f-4d90-849e-ae061f53eeaa/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-11-22 14:53:57,035 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 14:53:57,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f739cd77-360f-4d90-849e-ae061f53eeaa/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:53:57,037 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f739cd77-360f-4d90-849e-ae061f53eeaa/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 14:53:57,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f739cd77-360f-4d90-849e-ae061f53eeaa/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-22 14:53:57,042 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 14:53:57,050 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 14:53:57,050 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 14:53:57,051 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 14:53:57,051 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 14:53:57,051 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 14:53:57,052 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-22 14:53:57,052 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 14:53:57,053 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 14:53:57,080 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f739cd77-360f-4d90-849e-ae061f53eeaa/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2021-11-22 14:53:57,080 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 14:53:57,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f739cd77-360f-4d90-849e-ae061f53eeaa/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:53:57,081 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f739cd77-360f-4d90-849e-ae061f53eeaa/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 14:53:57,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f739cd77-360f-4d90-849e-ae061f53eeaa/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-11-22 14:53:57,086 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 14:53:57,094 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 14:53:57,094 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 14:53:57,094 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 14:53:57,094 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 14:53:57,098 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-22 14:53:57,098 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-22 14:53:57,144 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 14:53:57,167 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f739cd77-360f-4d90-849e-ae061f53eeaa/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-11-22 14:53:57,168 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 14:53:57,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f739cd77-360f-4d90-849e-ae061f53eeaa/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:53:57,169 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f739cd77-360f-4d90-849e-ae061f53eeaa/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 14:53:57,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f739cd77-360f-4d90-849e-ae061f53eeaa/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-11-22 14:53:57,174 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 14:53:57,183 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 14:53:57,183 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 14:53:57,184 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 14:53:57,184 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 14:53:57,184 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 14:53:57,185 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-22 14:53:57,185 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 14:53:57,187 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 14:53:57,211 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f739cd77-360f-4d90-849e-ae061f53eeaa/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2021-11-22 14:53:57,211 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 14:53:57,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f739cd77-360f-4d90-849e-ae061f53eeaa/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:53:57,212 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f739cd77-360f-4d90-849e-ae061f53eeaa/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 14:53:57,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f739cd77-360f-4d90-849e-ae061f53eeaa/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-11-22 14:53:57,214 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 14:53:57,223 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 14:53:57,223 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 14:53:57,223 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 14:53:57,223 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 14:53:57,223 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 14:53:57,224 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-22 14:53:57,224 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 14:53:57,229 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 14:53:57,252 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f739cd77-360f-4d90-849e-ae061f53eeaa/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-11-22 14:53:57,253 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 14:53:57,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f739cd77-360f-4d90-849e-ae061f53eeaa/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:53:57,254 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f739cd77-360f-4d90-849e-ae061f53eeaa/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 14:53:57,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f739cd77-360f-4d90-849e-ae061f53eeaa/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-11-22 14:53:57,256 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 14:53:57,268 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 14:53:57,268 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 14:53:57,268 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 14:53:57,269 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 14:53:57,269 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 14:53:57,270 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-22 14:53:57,270 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 14:53:57,272 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 14:53:57,299 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f739cd77-360f-4d90-849e-ae061f53eeaa/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-11-22 14:53:57,299 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 14:53:57,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f739cd77-360f-4d90-849e-ae061f53eeaa/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:53:57,300 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f739cd77-360f-4d90-849e-ae061f53eeaa/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 14:53:57,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f739cd77-360f-4d90-849e-ae061f53eeaa/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-11-22 14:53:57,309 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 14:53:57,319 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 14:53:57,319 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 14:53:57,320 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 14:53:57,320 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 14:53:57,320 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 14:53:57,320 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-22 14:53:57,321 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 14:53:57,326 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 14:53:57,353 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f739cd77-360f-4d90-849e-ae061f53eeaa/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-11-22 14:53:57,353 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 14:53:57,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f739cd77-360f-4d90-849e-ae061f53eeaa/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:53:57,359 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f739cd77-360f-4d90-849e-ae061f53eeaa/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 14:53:57,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f739cd77-360f-4d90-849e-ae061f53eeaa/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-11-22 14:53:57,361 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 14:53:57,369 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 14:53:57,370 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 14:53:57,370 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 14:53:57,370 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 14:53:57,370 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 14:53:57,372 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-22 14:53:57,372 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 14:53:57,381 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 14:53:57,404 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f739cd77-360f-4d90-849e-ae061f53eeaa/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2021-11-22 14:53:57,405 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 14:53:57,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f739cd77-360f-4d90-849e-ae061f53eeaa/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:53:57,410 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f739cd77-360f-4d90-849e-ae061f53eeaa/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 14:53:57,412 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 14:53:57,422 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 14:53:57,422 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 14:53:57,422 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 14:53:57,423 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 14:53:57,423 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 14:53:57,424 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-22 14:53:57,424 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 14:53:57,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f739cd77-360f-4d90-849e-ae061f53eeaa/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-11-22 14:53:57,445 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 14:53:57,491 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f739cd77-360f-4d90-849e-ae061f53eeaa/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-11-22 14:53:57,491 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 14:53:57,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f739cd77-360f-4d90-849e-ae061f53eeaa/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:53:57,493 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f739cd77-360f-4d90-849e-ae061f53eeaa/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 14:53:57,504 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 14:53:57,514 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 14:53:57,515 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 14:53:57,515 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 14:53:57,515 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 14:53:57,515 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 14:53:57,516 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-22 14:53:57,516 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 14:53:57,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f739cd77-360f-4d90-849e-ae061f53eeaa/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-11-22 14:53:57,526 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 14:53:57,553 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f739cd77-360f-4d90-849e-ae061f53eeaa/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-11-22 14:53:57,553 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 14:53:57,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f739cd77-360f-4d90-849e-ae061f53eeaa/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:53:57,554 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f739cd77-360f-4d90-849e-ae061f53eeaa/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 14:53:57,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f739cd77-360f-4d90-849e-ae061f53eeaa/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-11-22 14:53:57,559 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 14:53:57,567 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 14:53:57,567 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 14:53:57,567 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 14:53:57,567 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 14:53:57,567 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 14:53:57,569 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-22 14:53:57,569 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 14:53:57,570 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 14:53:57,590 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f739cd77-360f-4d90-849e-ae061f53eeaa/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2021-11-22 14:53:57,591 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 14:53:57,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f739cd77-360f-4d90-849e-ae061f53eeaa/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:53:57,592 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f739cd77-360f-4d90-849e-ae061f53eeaa/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 14:53:57,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f739cd77-360f-4d90-849e-ae061f53eeaa/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-11-22 14:53:57,593 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 [2021-11-22 14:53:57,601 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 14:53:57,601 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 14:53:57,601 INFO L204 nArgumentSynthesizer]: 7 loop disjuncts [2021-11-22 14:53:57,601 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 14:53:57,745 INFO L401 nArgumentSynthesizer]: We have 126 Motzkin's Theorem applications. [2021-11-22 14:53:57,745 INFO L402 nArgumentSynthesizer]: A total of 14 supporting invariants were added. [2021-11-22 14:53:57,996 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 14:53:58,039 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f739cd77-360f-4d90-849e-ae061f53eeaa/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-11-22 14:53:58,040 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 14:53:58,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f739cd77-360f-4d90-849e-ae061f53eeaa/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:53:58,041 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f739cd77-360f-4d90-849e-ae061f53eeaa/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 14:53:58,051 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 14:53:58,061 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 14:53:58,062 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 14:53:58,062 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 14:53:58,062 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 14:53:58,068 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-22 14:53:58,068 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-22 14:53:58,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f739cd77-360f-4d90-849e-ae061f53eeaa/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-11-22 14:53:58,081 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 14:53:58,123 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f739cd77-360f-4d90-849e-ae061f53eeaa/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-11-22 14:53:58,123 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 14:53:58,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f739cd77-360f-4d90-849e-ae061f53eeaa/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:53:58,125 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f739cd77-360f-4d90-849e-ae061f53eeaa/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 14:53:58,136 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 14:53:58,147 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 14:53:58,147 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 14:53:58,148 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 14:53:58,148 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 14:53:58,156 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-22 14:53:58,156 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-22 14:53:58,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f739cd77-360f-4d90-849e-ae061f53eeaa/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-11-22 14:53:58,177 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-22 14:53:58,217 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2021-11-22 14:53:58,217 INFO L444 ModelExtractionUtils]: 5 out of 25 variables were initially zero. Simplification set additionally 15 variables to zero. [2021-11-22 14:53:58,219 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 14:53:58,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f739cd77-360f-4d90-849e-ae061f53eeaa/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:53:58,229 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f739cd77-360f-4d90-849e-ae061f53eeaa/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 14:53:58,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f739cd77-360f-4d90-849e-ae061f53eeaa/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-11-22 14:53:58,294 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-22 14:53:58,328 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-11-22 14:53:58,328 INFO L513 LassoAnalysis]: Proved termination. [2021-11-22 14:53:58,329 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~length~0#1, ULTIMATE.start_cstrchr_~s#1.offset) = 1*ULTIMATE.start_main_~length~0#1 - 1*ULTIMATE.start_cstrchr_~s#1.offset Supporting invariants [-1*v_rep(select #length ULTIMATE.start_cstrchr_~s#1.base)_1 + 1*ULTIMATE.start_main_~length~0#1 >= 0] [2021-11-22 14:53:58,399 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f739cd77-360f-4d90-849e-ae061f53eeaa/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-11-22 14:53:58,435 INFO L297 tatePredicateManager]: 4 out of 5 supporting invariants were superfluous and have been removed [2021-11-22 14:53:58,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:53:58,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:53:58,526 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-22 14:53:58,528 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 14:53:58,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:53:58,568 INFO L263 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 14:53:58,568 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 14:53:58,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:53:58,683 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-11-22 14:53:58,684 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:53:58,775 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 31 states and 39 transitions. Complement of second has 5 states. [2021-11-22 14:53:58,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-11-22 14:53:58,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:53:58,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 25 transitions. [2021-11-22 14:53:58,785 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 25 transitions. Stem has 4 letters. Loop has 3 letters. [2021-11-22 14:53:58,787 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-22 14:53:58,787 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 25 transitions. Stem has 7 letters. Loop has 3 letters. [2021-11-22 14:53:58,787 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-22 14:53:58,787 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 25 transitions. Stem has 4 letters. Loop has 6 letters. [2021-11-22 14:53:58,788 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-22 14:53:58,789 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 39 transitions. [2021-11-22 14:53:58,792 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-22 14:53:58,795 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 0 states and 0 transitions. [2021-11-22 14:53:58,796 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-11-22 14:53:58,797 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-11-22 14:53:58,797 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-11-22 14:53:58,798 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-22 14:53:58,798 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-22 14:53:58,798 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-22 14:53:58,798 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-22 14:53:58,798 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-22 14:53:58,798 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-11-22 14:53:58,799 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-22 14:53:58,799 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-11-22 14:53:58,807 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.11 02:53:58 BoogieIcfgContainer [2021-11-22 14:53:58,807 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-22 14:53:58,808 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-22 14:53:58,808 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-22 14:53:58,808 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-22 14:53:58,809 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:53:54" (3/4) ... [2021-11-22 14:53:58,812 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-22 14:53:58,813 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-22 14:53:58,814 INFO L158 Benchmark]: Toolchain (without parser) took 5913.87ms. Allocated memory was 90.2MB in the beginning and 125.8MB in the end (delta: 35.7MB). Free memory was 56.9MB in the beginning and 63.1MB in the end (delta: -6.2MB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB. [2021-11-22 14:53:58,814 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 90.2MB. Free memory is still 46.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 14:53:58,815 INFO L158 Benchmark]: CACSL2BoogieTranslator took 632.35ms. Allocated memory was 90.2MB in the beginning and 125.8MB in the end (delta: 35.7MB). Free memory was 56.8MB in the beginning and 94.2MB in the end (delta: -37.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-22 14:53:58,816 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.97ms. Allocated memory is still 125.8MB. Free memory was 94.2MB in the beginning and 92.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-22 14:53:58,817 INFO L158 Benchmark]: Boogie Preprocessor took 45.05ms. Allocated memory is still 125.8MB. Free memory was 92.2MB in the beginning and 91.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 14:53:58,818 INFO L158 Benchmark]: RCFGBuilder took 461.15ms. Allocated memory is still 125.8MB. Free memory was 91.1MB in the beginning and 81.2MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-22 14:53:58,818 INFO L158 Benchmark]: BuchiAutomizer took 4670.61ms. Allocated memory is still 125.8MB. Free memory was 81.2MB in the beginning and 63.1MB in the end (delta: 18.0MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. [2021-11-22 14:53:58,819 INFO L158 Benchmark]: Witness Printer took 5.02ms. Allocated memory is still 125.8MB. Free memory is still 63.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 14:53:58,822 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 90.2MB. Free memory is still 46.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 632.35ms. Allocated memory was 90.2MB in the beginning and 125.8MB in the end (delta: 35.7MB). Free memory was 56.8MB in the beginning and 94.2MB in the end (delta: -37.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.97ms. Allocated memory is still 125.8MB. Free memory was 94.2MB in the beginning and 92.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.05ms. Allocated memory is still 125.8MB. Free memory was 92.2MB in the beginning and 91.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 461.15ms. Allocated memory is still 125.8MB. Free memory was 91.1MB in the beginning and 81.2MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 4670.61ms. Allocated memory is still 125.8MB. Free memory was 81.2MB in the beginning and 63.1MB in the end (delta: 18.0MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. * Witness Printer took 5.02ms. Allocated memory is still 125.8MB. Free memory is still 63.1MB. 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 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * s + length and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 4.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 14 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 14 mSDsluCounter, 19 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9 IncrementalHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 12 mSDtfsCounter, 9 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital145 mio100 ax100 hnf100 lsp95 ukn90 mio100 lsp33 div164 bol100 ite100 ukn100 eq155 hnf66 smp100 dnf873 smp33 tf100 neg94 sie114 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 404ms VariablesStem: 3 VariablesLoop: 4 DisjunctsStem: 1 DisjunctsLoop: 7 SupportingInvariants: 14 MotzkinApplications: 126 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-11-22 14:53:58,865 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f739cd77-360f-4d90-849e-ae061f53eeaa/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-11-22 14:53:59,072 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f739cd77-360f-4d90-849e-ae061f53eeaa/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE