./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-restricted-15/PastaB16.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654a9596-5a64-4826-a57d-b427f3815403/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654a9596-5a64-4826-a57d-b427f3815403/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654a9596-5a64-4826-a57d-b427f3815403/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654a9596-5a64-4826-a57d-b427f3815403/bin/uautomizer-WNIpwEf4Nt/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-restricted-15/PastaB16.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654a9596-5a64-4826-a57d-b427f3815403/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654a9596-5a64-4826-a57d-b427f3815403/bin/uautomizer-WNIpwEf4Nt --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 ee984bca7200ddfe2e041842f64b6ddcaef24aa5 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-12 23:59:02,168 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-12 23:59:02,172 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-12 23:59:02,224 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-12 23:59:02,225 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-12 23:59:02,229 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-12 23:59:02,231 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-12 23:59:02,235 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-12 23:59:02,238 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-12 23:59:02,243 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-12 23:59:02,245 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-12 23:59:02,247 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-12 23:59:02,247 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-12 23:59:02,250 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-12 23:59:02,252 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-12 23:59:02,257 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-12 23:59:02,259 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-12 23:59:02,260 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-12 23:59:02,263 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-12 23:59:02,270 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-12 23:59:02,272 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-12 23:59:02,273 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-12 23:59:02,277 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-12 23:59:02,278 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-12 23:59:02,287 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-12 23:59:02,288 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-12 23:59:02,288 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-12 23:59:02,290 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-12 23:59:02,291 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-12 23:59:02,293 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-12 23:59:02,293 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-12 23:59:02,294 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-12 23:59:02,297 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-12 23:59:02,298 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-12 23:59:02,300 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-12 23:59:02,300 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-12 23:59:02,301 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-12 23:59:02,302 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-12 23:59:02,302 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-12 23:59:02,303 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-12 23:59:02,304 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-12 23:59:02,305 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654a9596-5a64-4826-a57d-b427f3815403/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-12 23:59:02,355 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-12 23:59:02,355 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-12 23:59:02,356 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-12 23:59:02,356 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-12 23:59:02,357 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-12 23:59:02,358 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-12 23:59:02,358 INFO L138 SettingsManager]: * Use SBE=true [2021-10-12 23:59:02,358 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-12 23:59:02,359 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-12 23:59:02,359 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-12 23:59:02,360 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-12 23:59:02,360 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-12 23:59:02,360 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-12 23:59:02,361 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-12 23:59:02,361 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-12 23:59:02,361 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-12 23:59:02,361 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-12 23:59:02,362 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-12 23:59:02,362 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-12 23:59:02,362 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-12 23:59:02,362 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-12 23:59:02,362 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-12 23:59:02,363 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-12 23:59:02,363 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-12 23:59:02,363 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-12 23:59:02,363 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-12 23:59:02,365 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-12 23:59:02,365 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-12 23:59:02,366 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-12 23:59:02,367 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-12 23:59:02,367 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_654a9596-5a64-4826-a57d-b427f3815403/bin/uautomizer-WNIpwEf4Nt/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654a9596-5a64-4826-a57d-b427f3815403/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ee984bca7200ddfe2e041842f64b6ddcaef24aa5 [2021-10-12 23:59:02,703 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-12 23:59:02,725 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-12 23:59:02,728 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-12 23:59:02,729 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-12 23:59:02,730 INFO L275 PluginConnector]: CDTParser initialized [2021-10-12 23:59:02,731 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654a9596-5a64-4826-a57d-b427f3815403/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/termination-restricted-15/PastaB16.c [2021-10-12 23:59:02,815 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654a9596-5a64-4826-a57d-b427f3815403/bin/uautomizer-WNIpwEf4Nt/data/a4bdf1cb9/2b310236dafe4098b38929b4c77c7184/FLAG95b4294fd [2021-10-12 23:59:03,302 INFO L306 CDTParser]: Found 1 translation units. [2021-10-12 23:59:03,303 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654a9596-5a64-4826-a57d-b427f3815403/sv-benchmarks/c/termination-restricted-15/PastaB16.c [2021-10-12 23:59:03,316 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654a9596-5a64-4826-a57d-b427f3815403/bin/uautomizer-WNIpwEf4Nt/data/a4bdf1cb9/2b310236dafe4098b38929b4c77c7184/FLAG95b4294fd [2021-10-12 23:59:03,674 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654a9596-5a64-4826-a57d-b427f3815403/bin/uautomizer-WNIpwEf4Nt/data/a4bdf1cb9/2b310236dafe4098b38929b4c77c7184 [2021-10-12 23:59:03,676 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-12 23:59:03,677 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-12 23:59:03,682 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-12 23:59:03,682 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-12 23:59:03,686 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-12 23:59:03,687 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 11:59:03" (1/1) ... [2021-10-12 23:59:03,688 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45c8a80c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:03, skipping insertion in model container [2021-10-12 23:59:03,689 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 11:59:03" (1/1) ... [2021-10-12 23:59:03,697 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-12 23:59:03,711 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-12 23:59:03,891 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-12 23:59:03,894 INFO L203 MainTranslator]: Completed pre-run [2021-10-12 23:59:03,907 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-12 23:59:03,919 INFO L208 MainTranslator]: Completed translation [2021-10-12 23:59:03,919 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:03 WrapperNode [2021-10-12 23:59:03,919 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-12 23:59:03,920 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-12 23:59:03,920 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-12 23:59:03,921 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-12 23:59:03,927 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:03" (1/1) ... [2021-10-12 23:59:03,931 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:03" (1/1) ... [2021-10-12 23:59:03,947 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-12 23:59:03,948 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-12 23:59:03,948 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-12 23:59:03,948 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-12 23:59:03,955 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:03" (1/1) ... [2021-10-12 23:59:03,955 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:03" (1/1) ... [2021-10-12 23:59:03,956 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:03" (1/1) ... [2021-10-12 23:59:03,956 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:03" (1/1) ... [2021-10-12 23:59:03,958 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:03" (1/1) ... [2021-10-12 23:59:03,962 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:03" (1/1) ... [2021-10-12 23:59:03,962 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:03" (1/1) ... [2021-10-12 23:59:03,963 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-12 23:59:03,964 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-12 23:59:03,965 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-12 23:59:03,965 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-12 23:59:03,966 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:03" (1/1) ... [2021-10-12 23:59:03,973 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-12 23:59:03,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654a9596-5a64-4826-a57d-b427f3815403/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-12 23:59:03,996 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654a9596-5a64-4826-a57d-b427f3815403/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-12 23:59:04,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654a9596-5a64-4826-a57d-b427f3815403/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-12 23:59:04,037 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-12 23:59:04,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-12 23:59:04,176 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-12 23:59:04,176 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-10-12 23:59:04,178 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 11:59:04 BoogieIcfgContainer [2021-10-12 23:59:04,178 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-12 23:59:04,179 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-12 23:59:04,179 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-12 23:59:04,184 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-12 23:59:04,185 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-12 23:59:04,185 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 12.10 11:59:03" (1/3) ... [2021-10-12 23:59:04,186 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7ae7af5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.10 11:59:04, skipping insertion in model container [2021-10-12 23:59:04,187 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-12 23:59:04,187 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:03" (2/3) ... [2021-10-12 23:59:04,187 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7ae7af5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.10 11:59:04, skipping insertion in model container [2021-10-12 23:59:04,187 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-12 23:59:04,187 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 11:59:04" (3/3) ... [2021-10-12 23:59:04,189 INFO L389 chiAutomizerObserver]: Analyzing ICFG PastaB16.c [2021-10-12 23:59:04,232 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-12 23:59:04,232 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-12 23:59:04,232 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-12 23:59:04,233 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-12 23:59:04,233 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-12 23:59:04,233 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-12 23:59:04,233 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-12 23:59:04,233 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-12 23:59:04,248 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) [2021-10-12 23:59:04,266 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-12 23:59:04,266 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-12 23:59:04,267 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-12 23:59:04,272 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1] [2021-10-12 23:59:04,273 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-12 23:59:04,273 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-12 23:59:04,273 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) [2021-10-12 23:59:04,274 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-12 23:59:04,274 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-12 23:59:04,274 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-12 23:59:04,275 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1] [2021-10-12 23:59:04,275 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-12 23:59:04,282 INFO L791 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_~x~0, main_~y~0;havoc main_~x~0;havoc main_~y~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1; 9#L11-2true [2021-10-12 23:59:04,282 INFO L793 eck$LassoCheckResult]: Loop: 9#L11-2true assume !!(main_~x~0 > 0); 3#L12-2true assume !(main_~y~0 > 0); 7#L12-3true main_~x~0 := main_~x~0 - 1; 9#L11-2true [2021-10-12 23:59:04,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-12 23:59:04,289 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2021-10-12 23:59:04,298 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-12 23:59:04,299 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161456612] [2021-10-12 23:59:04,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-12 23:59:04,300 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-12 23:59:04,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-12 23:59:04,378 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-12 23:59:04,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-12 23:59:04,396 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-12 23:59:04,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-12 23:59:04,400 INFO L82 PathProgramCache]: Analyzing trace with hash 39951, now seen corresponding path program 1 times [2021-10-12 23:59:04,400 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-12 23:59:04,401 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621815310] [2021-10-12 23:59:04,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-12 23:59:04,402 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-12 23:59:04,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-12 23:59:04,425 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-12 23:59:04,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-12 23:59:04,430 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-12 23:59:04,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-12 23:59:04,435 INFO L82 PathProgramCache]: Analyzing trace with hash 963472, now seen corresponding path program 1 times [2021-10-12 23:59:04,435 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-12 23:59:04,436 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916409413] [2021-10-12 23:59:04,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-12 23:59:04,437 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-12 23:59:04,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-12 23:59:04,456 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-12 23:59:04,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-12 23:59:04,462 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-12 23:59:04,594 INFO L210 LassoAnalysis]: Preferences: [2021-10-12 23:59:04,595 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-12 23:59:04,595 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-12 23:59:04,595 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-12 23:59:04,595 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-12 23:59:04,595 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-12 23:59:04,596 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-12 23:59:04,596 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-12 23:59:04,596 INFO L133 ssoRankerPreferences]: Filename of dumped script: PastaB16.c_Iteration1_Loop [2021-10-12 23:59:04,596 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-12 23:59:04,597 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-12 23:59:04,631 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-12 23:59:04,649 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-12 23:59:04,658 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-12 23:59:04,672 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-12 23:59:04,755 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-12 23:59:04,756 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-12 23:59:04,758 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-12 23:59:04,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654a9596-5a64-4826-a57d-b427f3815403/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-12 23:59:04,764 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654a9596-5a64-4826-a57d-b427f3815403/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-12 23:59:04,767 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-12 23:59:04,767 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-12 23:59:04,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654a9596-5a64-4826-a57d-b427f3815403/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-12 23:59:04,803 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-12 23:59:04,803 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: [] [2021-10-12 23:59:04,838 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654a9596-5a64-4826-a57d-b427f3815403/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-12 23:59:04,840 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-12 23:59:04,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654a9596-5a64-4826-a57d-b427f3815403/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-12 23:59:04,844 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654a9596-5a64-4826-a57d-b427f3815403/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-12 23:59:04,850 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-12 23:59:04,850 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-12 23:59:04,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654a9596-5a64-4826-a57d-b427f3815403/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-12 23:59:04,875 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-12 23:59:04,876 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: [] [2021-10-12 23:59:04,914 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654a9596-5a64-4826-a57d-b427f3815403/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-12 23:59:04,914 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-12 23:59:04,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654a9596-5a64-4826-a57d-b427f3815403/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-12 23:59:04,916 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654a9596-5a64-4826-a57d-b427f3815403/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-12 23:59:04,922 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-12 23:59:04,922 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-12 23:59:04,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654a9596-5a64-4826-a57d-b427f3815403/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-12 23:59:04,980 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654a9596-5a64-4826-a57d-b427f3815403/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-12 23:59:04,981 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-12 23:59:04,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654a9596-5a64-4826-a57d-b427f3815403/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-12 23:59:04,982 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654a9596-5a64-4826-a57d-b427f3815403/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-12 23:59:04,988 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-12 23:59:04,989 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-12 23:59:05,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654a9596-5a64-4826-a57d-b427f3815403/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-12 23:59:05,055 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-12 23:59:05,063 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654a9596-5a64-4826-a57d-b427f3815403/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-12 23:59:05,064 INFO L210 LassoAnalysis]: Preferences: [2021-10-12 23:59:05,064 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-12 23:59:05,064 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-12 23:59:05,064 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-12 23:59:05,064 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-12 23:59:05,064 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-12 23:59:05,065 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-12 23:59:05,065 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-12 23:59:05,065 INFO L133 ssoRankerPreferences]: Filename of dumped script: PastaB16.c_Iteration1_Loop [2021-10-12 23:59:05,065 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-12 23:59:05,065 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-12 23:59:05,067 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-12 23:59:05,074 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-12 23:59:05,078 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-12 23:59:05,085 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-12 23:59:05,165 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-12 23:59:05,170 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-12 23:59:05,171 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-12 23:59:05,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654a9596-5a64-4826-a57d-b427f3815403/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-12 23:59:05,173 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654a9596-5a64-4826-a57d-b427f3815403/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-12 23:59:05,179 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-12 23:59:05,189 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-12 23:59:05,189 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-12 23:59:05,189 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-12 23:59:05,189 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-12 23:59:05,196 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-12 23:59:05,196 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-12 23:59:05,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654a9596-5a64-4826-a57d-b427f3815403/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-12 23:59:05,209 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-12 23:59:05,272 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654a9596-5a64-4826-a57d-b427f3815403/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-12 23:59:05,272 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-12 23:59:05,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654a9596-5a64-4826-a57d-b427f3815403/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-12 23:59:05,284 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654a9596-5a64-4826-a57d-b427f3815403/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-12 23:59:05,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654a9596-5a64-4826-a57d-b427f3815403/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-12 23:59:05,286 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-12 23:59:05,296 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-12 23:59:05,296 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-12 23:59:05,296 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-12 23:59:05,296 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-12 23:59:05,301 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-12 23:59:05,302 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-12 23:59:05,314 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-12 23:59:05,350 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654a9596-5a64-4826-a57d-b427f3815403/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-12 23:59:05,351 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-12 23:59:05,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654a9596-5a64-4826-a57d-b427f3815403/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-12 23:59:05,352 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654a9596-5a64-4826-a57d-b427f3815403/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-12 23:59:05,356 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-12 23:59:05,365 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-12 23:59:05,365 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-12 23:59:05,365 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-12 23:59:05,366 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-12 23:59:05,366 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-12 23:59:05,367 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-12 23:59:05,368 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-12 23:59:05,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654a9596-5a64-4826-a57d-b427f3815403/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-12 23:59:05,391 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-12 23:59:05,401 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-12 23:59:05,401 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-10-12 23:59:05,402 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-12 23:59:05,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654a9596-5a64-4826-a57d-b427f3815403/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-12 23:59:05,405 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654a9596-5a64-4826-a57d-b427f3815403/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-12 23:59:05,410 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-12 23:59:05,410 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-12 23:59:05,410 INFO L513 LassoAnalysis]: Proved termination. [2021-10-12 23:59:05,411 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0) = 1*ULTIMATE.start_main_~x~0 Supporting invariants [] [2021-10-12 23:59:05,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654a9596-5a64-4826-a57d-b427f3815403/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-12 23:59:05,467 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654a9596-5a64-4826-a57d-b427f3815403/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-12 23:59:05,470 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-12 23:59:05,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-12 23:59:05,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-12 23:59:05,504 INFO L263 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-12 23:59:05,506 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-12 23:59:05,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-12 23:59:05,521 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-12 23:59:05,522 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-12 23:59:05,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-12 23:59:05,574 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 [2021-10-12 23:59:05,576 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) [2021-10-12 23:59:05,625 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. [2021-10-12 23:59:05,626 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 [2021-10-12 23:59:05,628 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) [2021-10-12 23:59:05,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 21 transitions. [2021-10-12 23:59:05,630 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 1 letters. Loop has 3 letters. [2021-10-12 23:59:05,631 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-12 23:59:05,632 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 4 letters. Loop has 3 letters. [2021-10-12 23:59:05,632 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-12 23:59:05,632 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 1 letters. Loop has 6 letters. [2021-10-12 23:59:05,632 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-12 23:59:05,633 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 35 transitions. [2021-10-12 23:59:05,636 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-10-12 23:59:05,640 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 7 states and 10 transitions. [2021-10-12 23:59:05,641 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3 [2021-10-12 23:59:05,641 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 [2021-10-12 23:59:05,642 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 10 transitions. [2021-10-12 23:59:05,642 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-12 23:59:05,643 INFO L681 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2021-10-12 23:59:05,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states and 10 transitions. [2021-10-12 23:59:05,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 6. [2021-10-12 23:59:05,665 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) [2021-10-12 23:59:05,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 9 transitions. [2021-10-12 23:59:05,666 INFO L704 BuchiCegarLoop]: Abstraction has 6 states and 9 transitions. [2021-10-12 23:59:05,666 INFO L587 BuchiCegarLoop]: Abstraction has 6 states and 9 transitions. [2021-10-12 23:59:05,666 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-12 23:59:05,676 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states and 9 transitions. [2021-10-12 23:59:05,676 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-10-12 23:59:05,677 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-12 23:59:05,677 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-12 23:59:05,677 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-12 23:59:05,677 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-10-12 23:59:05,677 INFO L791 eck$LassoCheckResult]: Stem: 73#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_~x~0, main_~y~0;havoc main_~x~0;havoc main_~y~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1; 74#L11-2 assume !!(main_~x~0 > 0); 70#L12-2 [2021-10-12 23:59:05,677 INFO L793 eck$LassoCheckResult]: Loop: 70#L12-2 assume !!(main_~y~0 > 0);main_~y~0 := main_~y~0 - 1; 70#L12-2 [2021-10-12 23:59:05,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-12 23:59:05,678 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2021-10-12 23:59:05,678 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-12 23:59:05,679 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196212555] [2021-10-12 23:59:05,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-12 23:59:05,695 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-12 23:59:05,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-12 23:59:05,716 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-12 23:59:05,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-12 23:59:05,720 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-12 23:59:05,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-12 23:59:05,721 INFO L82 PathProgramCache]: Analyzing trace with hash 50, now seen corresponding path program 1 times [2021-10-12 23:59:05,721 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-12 23:59:05,721 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608375965] [2021-10-12 23:59:05,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-12 23:59:05,722 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-12 23:59:05,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-12 23:59:05,726 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-12 23:59:05,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-12 23:59:05,729 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-12 23:59:05,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-12 23:59:05,730 INFO L82 PathProgramCache]: Analyzing trace with hash 31081, now seen corresponding path program 1 times [2021-10-12 23:59:05,730 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-12 23:59:05,731 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393253261] [2021-10-12 23:59:05,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-12 23:59:05,731 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-12 23:59:05,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-12 23:59:05,753 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-12 23:59:05,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-12 23:59:05,763 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-12 23:59:05,778 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654a9596-5a64-4826-a57d-b427f3815403/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-12 23:59:05,783 INFO L210 LassoAnalysis]: Preferences: [2021-10-12 23:59:05,783 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-12 23:59:05,783 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-12 23:59:05,784 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-12 23:59:05,784 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-12 23:59:05,784 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-12 23:59:05,784 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-12 23:59:05,784 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-12 23:59:05,784 INFO L133 ssoRankerPreferences]: Filename of dumped script: PastaB16.c_Iteration2_Loop [2021-10-12 23:59:05,784 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-12 23:59:05,784 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-12 23:59:05,789 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-12 23:59:05,808 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-12 23:59:05,812 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-12 23:59:05,859 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-12 23:59:05,859 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-12 23:59:05,859 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-12 23:59:05,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654a9596-5a64-4826-a57d-b427f3815403/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-12 23:59:05,871 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654a9596-5a64-4826-a57d-b427f3815403/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-12 23:59:05,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654a9596-5a64-4826-a57d-b427f3815403/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-12 23:59:05,881 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-12 23:59:05,881 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-12 23:59:05,908 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-12 23:59:05,908 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: [] [2021-10-12 23:59:05,945 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654a9596-5a64-4826-a57d-b427f3815403/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-12 23:59:05,945 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-12 23:59:05,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654a9596-5a64-4826-a57d-b427f3815403/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-12 23:59:05,947 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654a9596-5a64-4826-a57d-b427f3815403/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-12 23:59:05,955 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-12 23:59:05,955 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-12 23:59:05,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654a9596-5a64-4826-a57d-b427f3815403/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-12 23:59:05,971 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-12 23:59:05,971 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-12 23:59:05,992 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654a9596-5a64-4826-a57d-b427f3815403/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-12 23:59:05,992 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-12 23:59:05,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654a9596-5a64-4826-a57d-b427f3815403/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-12 23:59:05,994 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654a9596-5a64-4826-a57d-b427f3815403/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-12 23:59:06,011 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-12 23:59:06,012 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-12 23:59:06,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654a9596-5a64-4826-a57d-b427f3815403/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-12 23:59:06,068 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654a9596-5a64-4826-a57d-b427f3815403/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-12 23:59:06,069 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-12 23:59:06,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654a9596-5a64-4826-a57d-b427f3815403/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-12 23:59:06,070 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654a9596-5a64-4826-a57d-b427f3815403/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-12 23:59:06,076 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-12 23:59:06,076 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-12 23:59:06,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654a9596-5a64-4826-a57d-b427f3815403/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-12 23:59:06,121 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-12 23:59:06,123 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654a9596-5a64-4826-a57d-b427f3815403/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-12 23:59:06,124 INFO L210 LassoAnalysis]: Preferences: [2021-10-12 23:59:06,124 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-12 23:59:06,124 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-12 23:59:06,124 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-12 23:59:06,124 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-12 23:59:06,124 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-12 23:59:06,124 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-12 23:59:06,124 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-12 23:59:06,125 INFO L133 ssoRankerPreferences]: Filename of dumped script: PastaB16.c_Iteration2_Loop [2021-10-12 23:59:06,125 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-12 23:59:06,125 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-12 23:59:06,126 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-12 23:59:06,136 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-12 23:59:06,146 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-12 23:59:06,180 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-12 23:59:06,180 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-12 23:59:06,181 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-12 23:59:06,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654a9596-5a64-4826-a57d-b427f3815403/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-12 23:59:06,182 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654a9596-5a64-4826-a57d-b427f3815403/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-12 23:59:06,192 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-12 23:59:06,201 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-12 23:59:06,202 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-12 23:59:06,202 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-12 23:59:06,202 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-12 23:59:06,205 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-12 23:59:06,206 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-12 23:59:06,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654a9596-5a64-4826-a57d-b427f3815403/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-12 23:59:06,223 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-12 23:59:06,253 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654a9596-5a64-4826-a57d-b427f3815403/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-12 23:59:06,253 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-12 23:59:06,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654a9596-5a64-4826-a57d-b427f3815403/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-12 23:59:06,254 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654a9596-5a64-4826-a57d-b427f3815403/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-12 23:59:06,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654a9596-5a64-4826-a57d-b427f3815403/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-12 23:59:06,255 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-12 23:59:06,263 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-12 23:59:06,263 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-12 23:59:06,263 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-12 23:59:06,263 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-12 23:59:06,263 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-12 23:59:06,265 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-12 23:59:06,265 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-12 23:59:06,269 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-12 23:59:06,272 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2021-10-12 23:59:06,272 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-12 23:59:06,272 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-12 23:59:06,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654a9596-5a64-4826-a57d-b427f3815403/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-12 23:59:06,273 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654a9596-5a64-4826-a57d-b427f3815403/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-12 23:59:06,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654a9596-5a64-4826-a57d-b427f3815403/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-12 23:59:06,275 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-12 23:59:06,275 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-12 23:59:06,275 INFO L513 LassoAnalysis]: Proved termination. [2021-10-12 23:59:06,275 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0) = 1*ULTIMATE.start_main_~y~0 Supporting invariants [] [2021-10-12 23:59:06,297 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654a9596-5a64-4826-a57d-b427f3815403/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2021-10-12 23:59:06,298 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-12 23:59:06,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-12 23:59:06,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-12 23:59:06,326 INFO L263 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-12 23:59:06,326 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-12 23:59:06,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-12 23:59:06,334 WARN L261 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-12 23:59:06,334 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-12 23:59:06,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-12 23:59:06,336 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 [2021-10-12 23:59:06,336 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) [2021-10-12 23:59:06,344 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. [2021-10-12 23:59:06,344 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 [2021-10-12 23:59:06,345 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) [2021-10-12 23:59:06,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2021-10-12 23:59:06,345 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 2 letters. Loop has 1 letters. [2021-10-12 23:59:06,345 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-12 23:59:06,346 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 3 letters. Loop has 1 letters. [2021-10-12 23:59:06,346 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-12 23:59:06,346 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 2 letters. Loop has 2 letters. [2021-10-12 23:59:06,346 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-12 23:59:06,346 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 18 transitions. [2021-10-12 23:59:06,347 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-12 23:59:06,347 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 0 states and 0 transitions. [2021-10-12 23:59:06,348 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-12 23:59:06,348 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-12 23:59:06,348 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-12 23:59:06,348 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-12 23:59:06,348 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-12 23:59:06,348 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-12 23:59:06,348 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-12 23:59:06,348 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-12 23:59:06,348 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-12 23:59:06,349 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-12 23:59:06,349 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-12 23:59:06,355 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 12.10 11:59:06 BoogieIcfgContainer [2021-10-12 23:59:06,355 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-12 23:59:06,356 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-12 23:59:06,356 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-12 23:59:06,356 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-12 23:59:06,356 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 11:59:04" (3/4) ... [2021-10-12 23:59:06,360 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-12 23:59:06,360 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-12 23:59:06,362 INFO L168 Benchmark]: Toolchain (without parser) took 2683.05 ms. Allocated memory is still 121.6 MB. Free memory was 84.2 MB in the beginning and 76.4 MB in the end (delta: 7.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-12 23:59:06,362 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 121.6 MB. Free memory was 100.2 MB in the beginning and 100.1 MB in the end (delta: 55.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-12 23:59:06,363 INFO L168 Benchmark]: CACSL2BoogieTranslator took 237.61 ms. Allocated memory is still 121.6 MB. Free memory was 84.0 MB in the beginning and 97.7 MB in the end (delta: -13.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-12 23:59:06,364 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.09 ms. Allocated memory is still 121.6 MB. Free memory was 97.3 MB in the beginning and 96.2 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-12 23:59:06,364 INFO L168 Benchmark]: Boogie Preprocessor took 15.80 ms. Allocated memory is still 121.6 MB. Free memory was 96.2 MB in the beginning and 95.2 MB in the end (delta: 930.0 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-12 23:59:06,365 INFO L168 Benchmark]: RCFGBuilder took 213.98 ms. Allocated memory is still 121.6 MB. Free memory was 95.2 MB in the beginning and 87.7 MB in the end (delta: 7.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-12 23:59:06,366 INFO L168 Benchmark]: BuchiAutomizer took 2175.98 ms. Allocated memory is still 121.6 MB. Free memory was 87.6 MB in the beginning and 76.8 MB in the end (delta: 10.8 MB). Peak memory consumption was 11.2 MB. Max. memory is 16.1 GB. [2021-10-12 23:59:06,366 INFO L168 Benchmark]: Witness Printer took 4.28 ms. Allocated memory is still 121.6 MB. Free memory was 76.8 MB in the beginning and 76.4 MB in the end (delta: 325.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-12 23:59:06,370 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 121.6 MB. Free memory was 100.2 MB in the beginning and 100.1 MB in the end (delta: 55.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 237.61 ms. Allocated memory is still 121.6 MB. Free memory was 84.0 MB in the beginning and 97.7 MB in the end (delta: -13.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 27.09 ms. Allocated memory is still 121.6 MB. Free memory was 97.3 MB in the beginning and 96.2 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 15.80 ms. Allocated memory is still 121.6 MB. Free memory was 96.2 MB in the beginning and 95.2 MB in the end (delta: 930.0 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 213.98 ms. Allocated memory is still 121.6 MB. Free memory was 95.2 MB in the beginning and 87.7 MB in the end (delta: 7.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 2175.98 ms. Allocated memory is still 121.6 MB. Free memory was 87.6 MB in the beginning and 76.8 MB in the end (delta: 10.8 MB). Peak memory consumption was 11.2 MB. Max. memory is 16.1 GB. * Witness Printer took 4.28 ms. Allocated memory is still 121.6 MB. Free memory was 76.8 MB in the beginning and 76.4 MB in the end (delta: 325.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (0 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function x and consists of 5 locations. One deterministic module has affine ranking function y and consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.1s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 1. Automata minimization 8.8ms 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: 10 SDtfs, 10 SDslu, 10 SDs, 0 SdLazy, 9 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.6ms Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital11 mio100 ax206 hnf100 lsp42 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 38ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 4 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.4s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-12 23:59:06,431 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654a9596-5a64-4826-a57d-b427f3815403/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-12 23:59:06,640 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654a9596-5a64-4826-a57d-b427f3815403/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request...