./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-restricted-15/PastaB17.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25d7077-080c-4f1e-86ff-854cdef7e894/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25d7077-080c-4f1e-86ff-854cdef7e894/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25d7077-080c-4f1e-86ff-854cdef7e894/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25d7077-080c-4f1e-86ff-854cdef7e894/bin/uautomizer-GMMbpWq8iD/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-restricted-15/PastaB17.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25d7077-080c-4f1e-86ff-854cdef7e894/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25d7077-080c-4f1e-86ff-854cdef7e894/bin/uautomizer-GMMbpWq8iD --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 5d77ccce06a5eb83fb368250e0baa3072703c85ca9ba919f17c4260cdb623930 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 23:32:38,191 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:32:38,194 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:32:38,249 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:32:38,250 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:32:38,254 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:32:38,256 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:32:38,261 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:32:38,264 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:32:38,276 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:32:38,278 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:32:38,280 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:32:38,280 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:32:38,282 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:32:38,283 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:32:38,285 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:32:38,286 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:32:38,287 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:32:38,290 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:32:38,292 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:32:38,295 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:32:38,300 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:32:38,301 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:32:38,303 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:32:38,307 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:32:38,308 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:32:38,308 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:32:38,309 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:32:38,310 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:32:38,318 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:32:38,319 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:32:38,320 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:32:38,321 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:32:38,322 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:32:38,324 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:32:38,324 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:32:38,326 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:32:38,329 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:32:38,329 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:32:38,331 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:32:38,332 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:32:38,333 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25d7077-080c-4f1e-86ff-854cdef7e894/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-28 23:32:38,397 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:32:38,403 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:32:38,404 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:32:38,404 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:32:38,406 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:32:38,406 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:32:38,407 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:32:38,407 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 23:32:38,407 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 23:32:38,408 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 23:32:38,409 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 23:32:38,409 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 23:32:38,410 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 23:32:38,410 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:32:38,410 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 23:32:38,411 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:32:38,411 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:32:38,411 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 23:32:38,411 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 23:32:38,412 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 23:32:38,412 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 23:32:38,412 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 23:32:38,413 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:32:38,413 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 23:32:38,413 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:32:38,413 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:32:38,416 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:32:38,416 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 23:32:38,416 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:32:38,418 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 23:32:38,419 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_d25d7077-080c-4f1e-86ff-854cdef7e894/bin/uautomizer-GMMbpWq8iD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25d7077-080c-4f1e-86ff-854cdef7e894/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5d77ccce06a5eb83fb368250e0baa3072703c85ca9ba919f17c4260cdb623930 [2021-10-28 23:32:38,780 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:32:38,811 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:32:38,814 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:32:38,816 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:32:38,817 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:32:38,818 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25d7077-080c-4f1e-86ff-854cdef7e894/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/termination-restricted-15/PastaB17.c [2021-10-28 23:32:38,889 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25d7077-080c-4f1e-86ff-854cdef7e894/bin/uautomizer-GMMbpWq8iD/data/cecc1ef7d/bdb9fd4d64cc494a87a10b17fe658c1c/FLAG77bf93f99 [2021-10-28 23:32:39,437 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:32:39,438 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25d7077-080c-4f1e-86ff-854cdef7e894/sv-benchmarks/c/termination-restricted-15/PastaB17.c [2021-10-28 23:32:39,450 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25d7077-080c-4f1e-86ff-854cdef7e894/bin/uautomizer-GMMbpWq8iD/data/cecc1ef7d/bdb9fd4d64cc494a87a10b17fe658c1c/FLAG77bf93f99 [2021-10-28 23:32:39,765 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25d7077-080c-4f1e-86ff-854cdef7e894/bin/uautomizer-GMMbpWq8iD/data/cecc1ef7d/bdb9fd4d64cc494a87a10b17fe658c1c [2021-10-28 23:32:39,768 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:32:39,770 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 23:32:39,773 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:32:39,773 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:32:39,776 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:32:39,776 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:32:39" (1/1) ... [2021-10-28 23:32:39,778 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31cf64d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:32:39, skipping insertion in model container [2021-10-28 23:32:39,778 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:32:39" (1/1) ... [2021-10-28 23:32:39,787 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:32:39,802 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:32:39,987 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:32:39,998 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 23:32:40,037 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:32:40,054 INFO L208 MainTranslator]: Completed translation [2021-10-28 23:32:40,055 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:32:40 WrapperNode [2021-10-28 23:32:40,055 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:32:40,057 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 23:32:40,057 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 23:32:40,057 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 23:32:40,068 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:32:40" (1/1) ... [2021-10-28 23:32:40,073 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:32:40" (1/1) ... [2021-10-28 23:32:40,095 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 23:32:40,096 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 23:32:40,096 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 23:32:40,096 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 23:32:40,107 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:32:40" (1/1) ... [2021-10-28 23:32:40,107 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:32:40" (1/1) ... [2021-10-28 23:32:40,108 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:32:40" (1/1) ... [2021-10-28 23:32:40,108 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:32:40" (1/1) ... [2021-10-28 23:32:40,110 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:32:40" (1/1) ... [2021-10-28 23:32:40,115 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:32:40" (1/1) ... [2021-10-28 23:32:40,116 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:32:40" (1/1) ... [2021-10-28 23:32:40,118 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 23:32:40,119 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 23:32:40,120 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 23:32:40,120 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 23:32:40,121 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:32:40" (1/1) ... [2021-10-28 23:32:40,131 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:32:40,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25d7077-080c-4f1e-86ff-854cdef7e894/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:32:40,163 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25d7077-080c-4f1e-86ff-854cdef7e894/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:32:40,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25d7077-080c-4f1e-86ff-854cdef7e894/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 23:32:40,221 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 23:32:40,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 23:32:40,409 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 23:32:40,409 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-10-28 23:32:40,413 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:32:40 BoogieIcfgContainer [2021-10-28 23:32:40,413 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 23:32:40,415 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 23:32:40,415 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 23:32:40,419 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 23:32:40,420 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:32:40,421 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 11:32:39" (1/3) ... [2021-10-28 23:32:40,422 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4f69f923 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 11:32:40, skipping insertion in model container [2021-10-28 23:32:40,423 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:32:40,423 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:32:40" (2/3) ... [2021-10-28 23:32:40,424 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4f69f923 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 11:32:40, skipping insertion in model container [2021-10-28 23:32:40,424 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:32:40,424 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:32:40" (3/3) ... [2021-10-28 23:32:40,426 INFO L389 chiAutomizerObserver]: Analyzing ICFG PastaB17.c [2021-10-28 23:32:40,520 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 23:32:40,521 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 23:32:40,521 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 23:32:40,521 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 23:32:40,521 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 23:32:40,521 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 23:32:40,521 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 23:32:40,522 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 23:32:40,540 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 7 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:32:40,562 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-28 23:32:40,562 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:32:40,562 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:32:40,567 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1] [2021-10-28 23:32:40,568 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-28 23:32:40,568 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 23:32:40,568 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 7 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:32:40,569 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-28 23:32:40,569 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:32:40,569 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:32:40,569 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1] [2021-10-28 23:32:40,570 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-28 23:32:40,576 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_~x~0, main_~y~0, main_~z~0;havoc main_~x~0;havoc main_~y~0;havoc main_~z~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~z~0 := main_#t~nondet2;havoc main_#t~nondet2; 5#L13-2true [2021-10-28 23:32:40,576 INFO L793 eck$LassoCheckResult]: Loop: 5#L13-2true assume !!(main_~x~0 > main_~z~0); 8#L14-2true assume !(main_~y~0 > main_~z~0); 9#L14-3true main_~x~0 := main_~x~0 - 1; 5#L13-2true [2021-10-28 23:32:40,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:32:40,583 INFO L85 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2021-10-28 23:32:40,591 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:32:40,592 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547693746] [2021-10-28 23:32:40,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:32:40,593 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:32:40,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:32:40,673 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:32:40,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:32:40,697 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:32:40,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:32:40,701 INFO L85 PathProgramCache]: Analyzing trace with hash 39951, now seen corresponding path program 1 times [2021-10-28 23:32:40,701 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:32:40,702 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404238378] [2021-10-28 23:32:40,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:32:40,703 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:32:40,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:32:40,716 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:32:40,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:32:40,723 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:32:40,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:32:40,730 INFO L85 PathProgramCache]: Analyzing trace with hash 963472, now seen corresponding path program 1 times [2021-10-28 23:32:40,730 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:32:40,731 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814257792] [2021-10-28 23:32:40,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:32:40,731 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:32:40,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:32:40,744 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:32:40,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:32:40,769 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:32:40,847 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:32:40,848 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:32:40,848 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:32:40,849 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:32:40,849 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-28 23:32:40,849 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:32:40,849 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:32:40,849 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:32:40,850 INFO L133 ssoRankerPreferences]: Filename of dumped script: PastaB17.c_Iteration1_Loop [2021-10-28 23:32:40,850 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:32:40,850 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:32:40,869 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:32:40,878 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:32:40,882 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:32:40,996 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:32:40,997 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-28 23:32:41,000 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:32:41,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25d7077-080c-4f1e-86ff-854cdef7e894/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:32:41,027 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25d7077-080c-4f1e-86ff-854cdef7e894/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:32:41,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25d7077-080c-4f1e-86ff-854cdef7e894/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-28 23:32:41,041 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 23:32:41,041 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 23:32:41,070 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 23:32:41,070 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 23:32:41,109 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25d7077-080c-4f1e-86ff-854cdef7e894/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-28 23:32:41,110 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:32:41,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25d7077-080c-4f1e-86ff-854cdef7e894/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:32:41,112 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25d7077-080c-4f1e-86ff-854cdef7e894/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:32:41,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25d7077-080c-4f1e-86ff-854cdef7e894/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-28 23:32:41,116 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 23:32:41,116 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 23:32:41,136 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 23:32:41,136 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 23:32:41,171 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25d7077-080c-4f1e-86ff-854cdef7e894/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-28 23:32:41,172 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:32:41,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25d7077-080c-4f1e-86ff-854cdef7e894/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:32:41,173 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25d7077-080c-4f1e-86ff-854cdef7e894/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:32:41,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25d7077-080c-4f1e-86ff-854cdef7e894/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-28 23:32:41,175 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 23:32:41,176 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 23:32:41,258 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25d7077-080c-4f1e-86ff-854cdef7e894/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-28 23:32:41,258 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:32:41,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25d7077-080c-4f1e-86ff-854cdef7e894/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:32:41,260 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25d7077-080c-4f1e-86ff-854cdef7e894/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:32:41,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25d7077-080c-4f1e-86ff-854cdef7e894/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-28 23:32:41,262 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-28 23:32:41,262 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 23:32:41,696 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-28 23:32:41,702 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25d7077-080c-4f1e-86ff-854cdef7e894/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-28 23:32:41,703 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:32:41,703 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:32:41,703 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:32:41,703 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:32:41,704 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 23:32:41,704 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:32:41,704 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:32:41,704 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:32:41,704 INFO L133 ssoRankerPreferences]: Filename of dumped script: PastaB17.c_Iteration1_Loop [2021-10-28 23:32:41,704 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:32:41,704 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:32:41,708 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:32:41,717 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:32:41,725 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:32:41,812 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:32:41,817 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 23:32:41,819 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:32:41,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25d7077-080c-4f1e-86ff-854cdef7e894/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:32:41,832 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25d7077-080c-4f1e-86ff-854cdef7e894/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:32:41,856 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:32:41,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25d7077-080c-4f1e-86ff-854cdef7e894/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-28 23:32:41,868 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:32:41,869 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:32:41,869 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:32:41,869 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:32:41,876 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:32:41,876 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:32:41,891 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:32:41,936 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25d7077-080c-4f1e-86ff-854cdef7e894/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-28 23:32:41,937 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:32:41,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25d7077-080c-4f1e-86ff-854cdef7e894/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:32:41,938 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25d7077-080c-4f1e-86ff-854cdef7e894/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:32:41,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25d7077-080c-4f1e-86ff-854cdef7e894/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-28 23:32:41,941 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:32:41,950 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:32:41,950 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:32:41,950 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:32:41,951 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:32:41,956 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:32:41,956 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:32:41,972 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:32:42,001 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25d7077-080c-4f1e-86ff-854cdef7e894/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2021-10-28 23:32:42,001 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:32:42,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25d7077-080c-4f1e-86ff-854cdef7e894/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:32:42,003 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25d7077-080c-4f1e-86ff-854cdef7e894/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:32:42,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25d7077-080c-4f1e-86ff-854cdef7e894/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-28 23:32:42,008 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:32:42,017 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:32:42,017 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:32:42,018 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:32:42,018 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:32:42,018 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:32:42,020 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:32:42,020 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:32:42,025 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 23:32:42,054 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2021-10-28 23:32:42,055 INFO L444 ModelExtractionUtils]: 1 out of 5 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-10-28 23:32:42,056 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:32:42,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25d7077-080c-4f1e-86ff-854cdef7e894/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:32:42,064 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25d7077-080c-4f1e-86ff-854cdef7e894/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:32:42,092 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 23:32:42,092 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-28 23:32:42,092 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 23:32:42,093 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0, ULTIMATE.start_main_~z~0) = 1*ULTIMATE.start_main_~x~0 - 1*ULTIMATE.start_main_~z~0 Supporting invariants [] [2021-10-28 23:32:42,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25d7077-080c-4f1e-86ff-854cdef7e894/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-28 23:32:42,123 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25d7077-080c-4f1e-86ff-854cdef7e894/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-28 23:32:42,126 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-28 23:32:42,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:32:42,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:32:42,174 INFO L263 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 23:32:42,175 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:32:42,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:32:42,188 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 23:32:42,189 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:32:42,281 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25d7077-080c-4f1e-86ff-854cdef7e894/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-28 23:32:42,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:32:42,305 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-28 23:32:42,306 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 8 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 7 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:32:42,355 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 8 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 7 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 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 23 states and 35 transitions. Complement of second has 7 states. [2021-10-28 23:32:42,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-28 23:32:42,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:32:42,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 21 transitions. [2021-10-28 23:32:42,360 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 1 letters. Loop has 3 letters. [2021-10-28 23:32:42,361 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:32:42,361 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 4 letters. Loop has 3 letters. [2021-10-28 23:32:42,362 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:32:42,362 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 1 letters. Loop has 6 letters. [2021-10-28 23:32:42,362 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:32:42,363 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 35 transitions. [2021-10-28 23:32:42,366 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-10-28 23:32:42,370 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 7 states and 10 transitions. [2021-10-28 23:32:42,371 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3 [2021-10-28 23:32:42,371 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 [2021-10-28 23:32:42,372 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 10 transitions. [2021-10-28 23:32:42,372 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 23:32:42,372 INFO L681 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2021-10-28 23:32:42,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states and 10 transitions. [2021-10-28 23:32:42,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 6. [2021-10-28 23:32:42,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.5) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:32:42,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 9 transitions. [2021-10-28 23:32:42,400 INFO L704 BuchiCegarLoop]: Abstraction has 6 states and 9 transitions. [2021-10-28 23:32:42,400 INFO L587 BuchiCegarLoop]: Abstraction has 6 states and 9 transitions. [2021-10-28 23:32:42,400 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-28 23:32:42,401 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states and 9 transitions. [2021-10-28 23:32:42,401 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-10-28 23:32:42,401 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:32:42,401 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:32:42,402 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-28 23:32:42,402 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-10-28 23:32:42,402 INFO L791 eck$LassoCheckResult]: Stem: 70#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_~x~0, main_~y~0, main_~z~0;havoc main_~x~0;havoc main_~y~0;havoc main_~z~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~z~0 := main_#t~nondet2;havoc main_#t~nondet2; 71#L13-2 assume !!(main_~x~0 > main_~z~0); 73#L14-2 [2021-10-28 23:32:42,402 INFO L793 eck$LassoCheckResult]: Loop: 73#L14-2 assume !!(main_~y~0 > main_~z~0);main_~y~0 := main_~y~0 - 1; 73#L14-2 [2021-10-28 23:32:42,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:32:42,403 INFO L85 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2021-10-28 23:32:42,403 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:32:42,404 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62101191] [2021-10-28 23:32:42,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:32:42,404 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:32:42,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:32:42,410 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:32:42,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:32:42,415 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:32:42,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:32:42,416 INFO L85 PathProgramCache]: Analyzing trace with hash 50, now seen corresponding path program 1 times [2021-10-28 23:32:42,416 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:32:42,416 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716450542] [2021-10-28 23:32:42,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:32:42,417 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:32:42,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:32:42,422 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:32:42,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:32:42,426 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:32:42,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:32:42,427 INFO L85 PathProgramCache]: Analyzing trace with hash 31081, now seen corresponding path program 1 times [2021-10-28 23:32:42,427 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:32:42,427 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517016083] [2021-10-28 23:32:42,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:32:42,428 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:32:42,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:32:42,435 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:32:42,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:32:42,442 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:32:42,459 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:32:42,459 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:32:42,459 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:32:42,459 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:32:42,460 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-28 23:32:42,460 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:32:42,460 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:32:42,460 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:32:42,460 INFO L133 ssoRankerPreferences]: Filename of dumped script: PastaB17.c_Iteration2_Loop [2021-10-28 23:32:42,460 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:32:42,460 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:32:42,462 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:32:42,465 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:32:42,472 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:32:42,511 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:32:42,511 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-28 23:32:42,512 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:32:42,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25d7077-080c-4f1e-86ff-854cdef7e894/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:32:42,513 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25d7077-080c-4f1e-86ff-854cdef7e894/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:32:42,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25d7077-080c-4f1e-86ff-854cdef7e894/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-28 23:32:42,534 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 23:32:42,534 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 23:32:42,556 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 23:32:42,556 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 23:32:42,600 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25d7077-080c-4f1e-86ff-854cdef7e894/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-28 23:32:42,601 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:32:42,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25d7077-080c-4f1e-86ff-854cdef7e894/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:32:42,602 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25d7077-080c-4f1e-86ff-854cdef7e894/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:32:42,617 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 23:32:42,617 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 23:32:42,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25d7077-080c-4f1e-86ff-854cdef7e894/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-28 23:32:42,683 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25d7077-080c-4f1e-86ff-854cdef7e894/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-28 23:32:42,683 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:32:42,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25d7077-080c-4f1e-86ff-854cdef7e894/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:32:42,686 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25d7077-080c-4f1e-86ff-854cdef7e894/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:32:42,692 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-28 23:32:42,693 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 23:32:42,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25d7077-080c-4f1e-86ff-854cdef7e894/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-28 23:32:42,928 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-28 23:32:42,934 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25d7077-080c-4f1e-86ff-854cdef7e894/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2021-10-28 23:32:42,934 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:32:42,934 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:32:42,934 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:32:42,934 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:32:42,934 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 23:32:42,935 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:32:42,935 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:32:42,935 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:32:42,935 INFO L133 ssoRankerPreferences]: Filename of dumped script: PastaB17.c_Iteration2_Loop [2021-10-28 23:32:42,935 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:32:42,935 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:32:42,937 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:32:42,946 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:32:42,954 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:32:43,006 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:32:43,006 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 23:32:43,007 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:32:43,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25d7077-080c-4f1e-86ff-854cdef7e894/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:32:43,008 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25d7077-080c-4f1e-86ff-854cdef7e894/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:32:43,024 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:32:43,034 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:32:43,035 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:32:43,035 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:32:43,035 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:32:43,043 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:32:43,043 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:32:43,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25d7077-080c-4f1e-86ff-854cdef7e894/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-28 23:32:43,071 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:32:43,106 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25d7077-080c-4f1e-86ff-854cdef7e894/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-28 23:32:43,106 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:32:43,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25d7077-080c-4f1e-86ff-854cdef7e894/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:32:43,107 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25d7077-080c-4f1e-86ff-854cdef7e894/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:32:43,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25d7077-080c-4f1e-86ff-854cdef7e894/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-28 23:32:43,112 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:32:43,120 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:32:43,120 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:32:43,120 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:32:43,120 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:32:43,120 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:32:43,121 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:32:43,121 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:32:43,123 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 23:32:43,129 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-28 23:32:43,129 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-28 23:32:43,129 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:32:43,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25d7077-080c-4f1e-86ff-854cdef7e894/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:32:43,132 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25d7077-080c-4f1e-86ff-854cdef7e894/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:32:43,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25d7077-080c-4f1e-86ff-854cdef7e894/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-28 23:32:43,136 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 23:32:43,136 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-28 23:32:43,136 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 23:32:43,136 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~z~0) = 1*ULTIMATE.start_main_~y~0 - 1*ULTIMATE.start_main_~z~0 Supporting invariants [] [2021-10-28 23:32:43,156 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25d7077-080c-4f1e-86ff-854cdef7e894/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-28 23:32:43,160 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-28 23:32:43,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:32:43,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:32:43,181 INFO L263 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 23:32:43,181 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:32:43,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:32:43,188 WARN L261 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 23:32:43,189 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:32:43,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:32:43,189 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2021-10-28 23:32:43,190 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 6 states and 9 transitions. cyclomatic complexity: 5 Second operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:32:43,199 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 6 states and 9 transitions. cyclomatic complexity: 5. Second operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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 13 states and 18 transitions. Complement of second has 4 states. [2021-10-28 23:32:43,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-28 23:32:43,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:32:43,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2021-10-28 23:32:43,201 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 2 letters. Loop has 1 letters. [2021-10-28 23:32:43,201 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:32:43,201 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 3 letters. Loop has 1 letters. [2021-10-28 23:32:43,202 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:32:43,202 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 2 letters. Loop has 2 letters. [2021-10-28 23:32:43,202 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:32:43,202 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 18 transitions. [2021-10-28 23:32:43,203 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 23:32:43,203 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 0 states and 0 transitions. [2021-10-28 23:32:43,203 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-28 23:32:43,204 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-28 23:32:43,204 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-28 23:32:43,204 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:32:43,204 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:32:43,204 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:32:43,204 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:32:43,204 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-28 23:32:43,204 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-28 23:32:43,204 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 23:32:43,205 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-28 23:32:43,210 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 11:32:43 BoogieIcfgContainer [2021-10-28 23:32:43,210 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 23:32:43,211 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:32:43,211 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:32:43,211 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:32:43,212 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:32:40" (3/4) ... [2021-10-28 23:32:43,215 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 23:32:43,215 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:32:43,216 INFO L168 Benchmark]: Toolchain (without parser) took 3445.80 ms. Allocated memory is still 109.1 MB. Free memory was 68.4 MB in the beginning and 59.8 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.7 MB. Max. memory is 16.1 GB. [2021-10-28 23:32:43,217 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 109.1 MB. Free memory was 84.3 MB in the beginning and 84.2 MB in the end (delta: 53.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:32:43,218 INFO L168 Benchmark]: CACSL2BoogieTranslator took 283.30 ms. Allocated memory is still 109.1 MB. Free memory was 68.2 MB in the beginning and 86.2 MB in the end (delta: -18.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 23:32:43,218 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.32 ms. Allocated memory is still 109.1 MB. Free memory was 86.2 MB in the beginning and 84.9 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:32:43,219 INFO L168 Benchmark]: Boogie Preprocessor took 22.40 ms. Allocated memory is still 109.1 MB. Free memory was 84.9 MB in the beginning and 84.1 MB in the end (delta: 771.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:32:43,219 INFO L168 Benchmark]: RCFGBuilder took 293.90 ms. Allocated memory is still 109.1 MB. Free memory was 83.8 MB in the beginning and 76.2 MB in the end (delta: 7.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-28 23:32:43,220 INFO L168 Benchmark]: BuchiAutomizer took 2795.89 ms. Allocated memory is still 109.1 MB. Free memory was 76.2 MB in the beginning and 60.2 MB in the end (delta: 16.0 MB). Peak memory consumption was 17.6 MB. Max. memory is 16.1 GB. [2021-10-28 23:32:43,221 INFO L168 Benchmark]: Witness Printer took 3.69 ms. Allocated memory is still 109.1 MB. Free memory was 60.2 MB in the beginning and 59.8 MB in the end (delta: 472.7 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:32:43,224 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 109.1 MB. Free memory was 84.3 MB in the beginning and 84.2 MB in the end (delta: 53.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 283.30 ms. Allocated memory is still 109.1 MB. Free memory was 68.2 MB in the beginning and 86.2 MB in the end (delta: -18.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 38.32 ms. Allocated memory is still 109.1 MB. Free memory was 86.2 MB in the beginning and 84.9 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 22.40 ms. Allocated memory is still 109.1 MB. Free memory was 84.9 MB in the beginning and 84.1 MB in the end (delta: 771.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 293.90 ms. Allocated memory is still 109.1 MB. Free memory was 83.8 MB in the beginning and 76.2 MB in the end (delta: 7.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 2795.89 ms. Allocated memory is still 109.1 MB. Free memory was 76.2 MB in the beginning and 60.2 MB in the end (delta: 16.0 MB). Peak memory consumption was 17.6 MB. Max. memory is 16.1 GB. * Witness Printer took 3.69 ms. Allocated memory is still 109.1 MB. Free memory was 60.2 MB in the beginning and 59.8 MB in the end (delta: 472.7 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (0 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function x + -1 * z and consists of 5 locations. One deterministic module has affine ranking function y + -1 * z and consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.7s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 6 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 7 SDtfs, 10 SDslu, 7 SDs, 0 SdLazy, 15 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital11 mio100 ax206 hnf100 lsp48 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq153 hnf94 smp100 dnf100 smp100 tf112 neg100 sie110 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 72ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 3 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.9s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-28 23:32:43,272 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25d7077-080c-4f1e-86ff-854cdef7e894/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-28 23:32:43,475 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25d7077-080c-4f1e-86ff-854cdef7e894/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...