./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted-lit/KroeningSharyginaTsitovichWintersteiger-CAV2010-Ex.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55211568-bdc1-45fe-9ce5-339d9dcf3f54/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55211568-bdc1-45fe-9ce5-339d9dcf3f54/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55211568-bdc1-45fe-9ce5-339d9dcf3f54/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55211568-bdc1-45fe-9ce5-339d9dcf3f54/bin/uautomizer-ug76WZFUDN/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted-lit/KroeningSharyginaTsitovichWintersteiger-CAV2010-Ex.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55211568-bdc1-45fe-9ce5-339d9dcf3f54/bin/uautomizer-ug76WZFUDN/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55211568-bdc1-45fe-9ce5-339d9dcf3f54/bin/uautomizer-ug76WZFUDN --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 5540e7c00ae01203970f19de551d88eb6a449c1f9370939c6165919b3f898bc8 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 11:53:44,207 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 11:53:44,210 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 11:53:44,239 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 11:53:44,240 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 11:53:44,241 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 11:53:44,243 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 11:53:44,245 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 11:53:44,248 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 11:53:44,249 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 11:53:44,250 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 11:53:44,252 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 11:53:44,253 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 11:53:44,255 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 11:53:44,256 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 11:53:44,258 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 11:53:44,259 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 11:53:44,261 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 11:53:44,263 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 11:53:44,266 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 11:53:44,268 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 11:53:44,270 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 11:53:44,272 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 11:53:44,273 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 11:53:44,278 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 11:53:44,279 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 11:53:44,279 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 11:53:44,281 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 11:53:44,281 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 11:53:44,283 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 11:53:44,283 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 11:53:44,285 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 11:53:44,286 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 11:53:44,287 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 11:53:44,289 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 11:53:44,290 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 11:53:44,291 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 11:53:44,291 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 11:53:44,292 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 11:53:44,294 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 11:53:44,295 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 11:53:44,296 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55211568-bdc1-45fe-9ce5-339d9dcf3f54/bin/uautomizer-ug76WZFUDN/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-20 11:53:44,327 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 11:53:44,328 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 11:53:44,328 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 11:53:44,329 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 11:53:44,330 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 11:53:44,330 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 11:53:44,331 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 11:53:44,331 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-20 11:53:44,332 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-20 11:53:44,332 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-20 11:53:44,333 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-20 11:53:44,333 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-20 11:53:44,333 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-20 11:53:44,334 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 11:53:44,334 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 11:53:44,335 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 11:53:44,335 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 11:53:44,335 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-20 11:53:44,336 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-20 11:53:44,336 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-20 11:53:44,337 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 11:53:44,337 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-20 11:53:44,337 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 11:53:44,338 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-20 11:53:44,338 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 11:53:44,339 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 11:53:44,339 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 11:53:44,340 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 11:53:44,341 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-20 11:53:44,341 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_55211568-bdc1-45fe-9ce5-339d9dcf3f54/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55211568-bdc1-45fe-9ce5-339d9dcf3f54/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5540e7c00ae01203970f19de551d88eb6a449c1f9370939c6165919b3f898bc8 [2022-11-20 11:53:44,718 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 11:53:44,744 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 11:53:44,747 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 11:53:44,749 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 11:53:44,749 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 11:53:44,751 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55211568-bdc1-45fe-9ce5-339d9dcf3f54/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/termination-crafted-lit/KroeningSharyginaTsitovichWintersteiger-CAV2010-Ex.c [2022-11-20 11:53:48,496 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 11:53:48,751 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 11:53:48,751 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55211568-bdc1-45fe-9ce5-339d9dcf3f54/sv-benchmarks/c/termination-crafted-lit/KroeningSharyginaTsitovichWintersteiger-CAV2010-Ex.c [2022-11-20 11:53:48,762 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55211568-bdc1-45fe-9ce5-339d9dcf3f54/bin/uautomizer-ug76WZFUDN/data/de8a2fad1/60fb46acb04e429ea5ec4e5574eeac20/FLAGb3db4e4d1 [2022-11-20 11:53:48,787 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55211568-bdc1-45fe-9ce5-339d9dcf3f54/bin/uautomizer-ug76WZFUDN/data/de8a2fad1/60fb46acb04e429ea5ec4e5574eeac20 [2022-11-20 11:53:48,790 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 11:53:48,792 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 11:53:48,794 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 11:53:48,794 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 11:53:48,800 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 11:53:48,803 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:53:48" (1/1) ... [2022-11-20 11:53:48,805 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8199d9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:53:48, skipping insertion in model container [2022-11-20 11:53:48,805 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:53:48" (1/1) ... [2022-11-20 11:53:48,815 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 11:53:48,830 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 11:53:49,037 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:53:49,041 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 11:53:49,054 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:53:49,067 INFO L208 MainTranslator]: Completed translation [2022-11-20 11:53:49,068 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:53:49 WrapperNode [2022-11-20 11:53:49,068 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 11:53:49,070 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 11:53:49,070 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 11:53:49,070 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 11:53:49,097 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:53:49" (1/1) ... [2022-11-20 11:53:49,103 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:53:49" (1/1) ... [2022-11-20 11:53:49,122 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 16 [2022-11-20 11:53:49,123 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 11:53:49,124 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 11:53:49,124 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 11:53:49,124 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 11:53:49,133 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:53:49" (1/1) ... [2022-11-20 11:53:49,133 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:53:49" (1/1) ... [2022-11-20 11:53:49,134 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:53:49" (1/1) ... [2022-11-20 11:53:49,134 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:53:49" (1/1) ... [2022-11-20 11:53:49,137 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:53:49" (1/1) ... [2022-11-20 11:53:49,146 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:53:49" (1/1) ... [2022-11-20 11:53:49,147 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:53:49" (1/1) ... [2022-11-20 11:53:49,148 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:53:49" (1/1) ... [2022-11-20 11:53:49,149 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 11:53:49,151 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 11:53:49,152 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 11:53:49,152 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 11:53:49,154 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:53:49" (1/1) ... [2022-11-20 11:53:49,166 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:53:49,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55211568-bdc1-45fe-9ce5-339d9dcf3f54/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:53:49,196 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55211568-bdc1-45fe-9ce5-339d9dcf3f54/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:53:49,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55211568-bdc1-45fe-9ce5-339d9dcf3f54/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-20 11:53:49,247 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 11:53:49,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 11:53:49,348 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 11:53:49,351 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 11:53:49,428 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 11:53:49,436 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 11:53:49,436 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 11:53:49,439 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:53:49 BoogieIcfgContainer [2022-11-20 11:53:49,439 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 11:53:49,441 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-20 11:53:49,441 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-20 11:53:49,446 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-20 11:53:49,447 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 11:53:49,447 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 11:53:48" (1/3) ... [2022-11-20 11:53:49,449 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6f8d5b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 11:53:49, skipping insertion in model container [2022-11-20 11:53:49,449 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 11:53:49,449 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:53:49" (2/3) ... [2022-11-20 11:53:49,450 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6f8d5b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 11:53:49, skipping insertion in model container [2022-11-20 11:53:49,450 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 11:53:49,450 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:53:49" (3/3) ... [2022-11-20 11:53:49,452 INFO L332 chiAutomizerObserver]: Analyzing ICFG KroeningSharyginaTsitovichWintersteiger-CAV2010-Ex.c [2022-11-20 11:53:49,560 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-20 11:53:49,561 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-20 11:53:49,561 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-20 11:53:49,561 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-20 11:53:49,561 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-20 11:53:49,561 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-20 11:53:49,562 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-20 11:53:49,562 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-20 11:53:49,568 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:53:49,590 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 11:53:49,590 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 11:53:49,591 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 11:53:49,597 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-20 11:53:49,598 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 11:53:49,598 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-20 11:53:49,599 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:53:49,600 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 11:53:49,600 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 11:53:49,600 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 11:53:49,601 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-20 11:53:49,601 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 11:53:49,611 INFO L748 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~i~0#1;havoc main_~i~0#1;main_~i~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 6#L18-2true [2022-11-20 11:53:49,612 INFO L750 eck$LassoCheckResult]: Loop: 6#L18-2true assume !!(main_~i~0#1 < 255); 4#L18true assume !(0 != main_#t~nondet1#1);havoc main_#t~nondet1#1;main_~i~0#1 := 2 + main_~i~0#1; 6#L18-2true [2022-11-20 11:53:49,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:53:49,620 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-11-20 11:53:49,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:53:49,633 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243691493] [2022-11-20 11:53:49,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:53:49,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:53:49,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:53:49,740 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:53:49,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:53:49,763 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:53:49,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:53:49,771 INFO L85 PathProgramCache]: Analyzing trace with hash 1318, now seen corresponding path program 1 times [2022-11-20 11:53:49,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:53:49,771 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454241912] [2022-11-20 11:53:49,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:53:49,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:53:49,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:53:49,804 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:53:49,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:53:49,824 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:53:49,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:53:49,828 INFO L85 PathProgramCache]: Analyzing trace with hash 925800, now seen corresponding path program 1 times [2022-11-20 11:53:49,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:53:49,828 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134450123] [2022-11-20 11:53:49,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:53:49,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:53:49,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:53:49,851 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:53:49,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:53:49,860 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:53:50,006 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 11:53:50,016 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 11:53:50,017 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 11:53:50,017 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 11:53:50,017 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-20 11:53:50,018 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:53:50,018 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 11:53:50,018 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 11:53:50,019 INFO L133 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Ex.c_Iteration1_Loop [2022-11-20 11:53:50,019 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 11:53:50,020 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 11:53:50,080 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:53:50,108 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:53:50,114 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:53:50,120 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:53:50,312 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 11:53:50,313 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-20 11:53:50,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:53:50,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55211568-bdc1-45fe-9ce5-339d9dcf3f54/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:53:50,329 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55211568-bdc1-45fe-9ce5-339d9dcf3f54/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:53:50,343 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 11:53:50,343 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 11:53:50,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55211568-bdc1-45fe-9ce5-339d9dcf3f54/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-20 11:53:50,377 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 11:53:50,377 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: [] [2022-11-20 11:53:50,383 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55211568-bdc1-45fe-9ce5-339d9dcf3f54/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2022-11-20 11:53:50,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:53:50,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55211568-bdc1-45fe-9ce5-339d9dcf3f54/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:53:50,385 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55211568-bdc1-45fe-9ce5-339d9dcf3f54/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:53:50,392 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 11:53:50,392 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 11:53:50,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55211568-bdc1-45fe-9ce5-339d9dcf3f54/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-20 11:53:50,419 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 11:53:50,420 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: [] [2022-11-20 11:53:50,424 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55211568-bdc1-45fe-9ce5-339d9dcf3f54/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-20 11:53:50,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:53:50,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55211568-bdc1-45fe-9ce5-339d9dcf3f54/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:53:50,426 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55211568-bdc1-45fe-9ce5-339d9dcf3f54/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:53:50,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55211568-bdc1-45fe-9ce5-339d9dcf3f54/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-20 11:53:50,432 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 11:53:50,432 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 11:53:50,451 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 11:53:50,451 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1#1=0} Honda state: {ULTIMATE.start_main_#t~nondet1#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 11:53:50,461 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55211568-bdc1-45fe-9ce5-339d9dcf3f54/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-20 11:53:50,462 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:53:50,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55211568-bdc1-45fe-9ce5-339d9dcf3f54/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:53:50,464 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55211568-bdc1-45fe-9ce5-339d9dcf3f54/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:53:50,468 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 11:53:50,468 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 11:53:50,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55211568-bdc1-45fe-9ce5-339d9dcf3f54/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-20 11:53:50,490 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55211568-bdc1-45fe-9ce5-339d9dcf3f54/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-20 11:53:50,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:53:50,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55211568-bdc1-45fe-9ce5-339d9dcf3f54/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:53:50,492 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55211568-bdc1-45fe-9ce5-339d9dcf3f54/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:53:50,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55211568-bdc1-45fe-9ce5-339d9dcf3f54/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-20 11:53:50,501 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-20 11:53:50,502 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 11:53:50,532 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-20 11:53:50,540 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55211568-bdc1-45fe-9ce5-339d9dcf3f54/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-20 11:53:50,541 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 11:53:50,541 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 11:53:50,541 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 11:53:50,541 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 11:53:50,541 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 11:53:50,541 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:53:50,542 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 11:53:50,542 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 11:53:50,542 INFO L133 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Ex.c_Iteration1_Loop [2022-11-20 11:53:50,542 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 11:53:50,542 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 11:53:50,545 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:53:50,559 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:53:50,570 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:53:50,579 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:53:50,680 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 11:53:50,686 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 11:53:50,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:53:50,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55211568-bdc1-45fe-9ce5-339d9dcf3f54/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:53:50,708 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55211568-bdc1-45fe-9ce5-339d9dcf3f54/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:53:50,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55211568-bdc1-45fe-9ce5-339d9dcf3f54/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-20 11:53:50,713 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 [2022-11-20 11:53:50,727 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:53:50,728 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:53:50,728 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:53:50,728 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:53:50,736 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 11:53:50,736 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 11:53:50,751 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:53:50,760 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55211568-bdc1-45fe-9ce5-339d9dcf3f54/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2022-11-20 11:53:50,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:53:50,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55211568-bdc1-45fe-9ce5-339d9dcf3f54/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:53:50,763 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55211568-bdc1-45fe-9ce5-339d9dcf3f54/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:53:50,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55211568-bdc1-45fe-9ce5-339d9dcf3f54/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-20 11:53:50,767 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 11:53:50,779 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:53:50,780 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:53:50,780 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:53:50,780 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:53:50,784 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 11:53:50,785 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 11:53:50,823 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:53:50,834 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55211568-bdc1-45fe-9ce5-339d9dcf3f54/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-20 11:53:50,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:53:50,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55211568-bdc1-45fe-9ce5-339d9dcf3f54/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:53:50,836 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55211568-bdc1-45fe-9ce5-339d9dcf3f54/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:53:50,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55211568-bdc1-45fe-9ce5-339d9dcf3f54/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-20 11:53:50,840 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 [2022-11-20 11:53:50,856 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:53:50,856 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:53:50,857 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:53:50,857 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:53:50,857 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:53:50,859 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 11:53:50,859 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:53:50,871 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:53:50,875 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55211568-bdc1-45fe-9ce5-339d9dcf3f54/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-20 11:53:50,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:53:50,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55211568-bdc1-45fe-9ce5-339d9dcf3f54/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:53:50,880 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55211568-bdc1-45fe-9ce5-339d9dcf3f54/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:53:50,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55211568-bdc1-45fe-9ce5-339d9dcf3f54/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-20 11:53:50,882 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 [2022-11-20 11:53:50,894 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:53:50,894 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:53:50,895 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:53:50,895 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:53:50,895 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:53:50,896 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 11:53:50,897 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:53:50,928 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 11:53:50,932 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-11-20 11:53:50,932 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-11-20 11:53:50,934 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:53:50,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55211568-bdc1-45fe-9ce5-339d9dcf3f54/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:53:50,964 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55211568-bdc1-45fe-9ce5-339d9dcf3f54/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:53:50,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55211568-bdc1-45fe-9ce5-339d9dcf3f54/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-20 11:53:50,967 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 11:53:50,968 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-20 11:53:50,968 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 11:53:50,968 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = -1*ULTIMATE.start_main_~i~0#1 + 255 Supporting invariants [] [2022-11-20 11:53:50,975 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55211568-bdc1-45fe-9ce5-339d9dcf3f54/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-20 11:53:50,980 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-20 11:53:51,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:53:51,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:53:51,050 WARN L261 TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 11:53:51,052 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:53:51,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:53:51,074 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 11:53:51,074 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:53:51,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:53:51,142 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-20 11:53:51,144 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 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) [2022-11-20 11:53:51,220 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 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 18 states and 23 transitions. Complement of second has 7 states. [2022-11-20 11:53:51,226 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 [2022-11-20 11:53:51,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 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) [2022-11-20 11:53:51,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 13 transitions. [2022-11-20 11:53:51,235 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 2 letters. Loop has 2 letters. [2022-11-20 11:53:51,236 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 11:53:51,236 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 4 letters. Loop has 2 letters. [2022-11-20 11:53:51,236 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 11:53:51,236 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 2 letters. Loop has 4 letters. [2022-11-20 11:53:51,237 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 11:53:51,238 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 23 transitions. [2022-11-20 11:53:51,240 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-20 11:53:51,243 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 0 states and 0 transitions. [2022-11-20 11:53:51,244 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-20 11:53:51,244 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-20 11:53:51,245 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-20 11:53:51,245 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:53:51,245 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 11:53:51,245 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 11:53:51,245 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 11:53:51,246 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-20 11:53:51,246 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-20 11:53:51,246 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-20 11:53:51,246 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-20 11:53:51,254 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 11:53:51 BoogieIcfgContainer [2022-11-20 11:53:51,254 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-20 11:53:51,255 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 11:53:51,255 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 11:53:51,255 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 11:53:51,256 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:53:49" (3/4) ... [2022-11-20 11:53:51,263 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-20 11:53:51,264 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 11:53:51,266 INFO L158 Benchmark]: Toolchain (without parser) took 2473.07ms. Allocated memory was 138.4MB in the beginning and 192.9MB in the end (delta: 54.5MB). Free memory was 76.2MB in the beginning and 129.3MB in the end (delta: -53.1MB). Peak memory consumption was 601.1kB. Max. memory is 16.1GB. [2022-11-20 11:53:51,267 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 138.4MB. Free memory is still 107.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 11:53:51,274 INFO L158 Benchmark]: CACSL2BoogieTranslator took 274.90ms. Allocated memory was 138.4MB in the beginning and 192.9MB in the end (delta: 54.5MB). Free memory was 76.1MB in the beginning and 160.5MB in the end (delta: -84.4MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. [2022-11-20 11:53:51,275 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.43ms. Allocated memory is still 192.9MB. Free memory was 160.4MB in the beginning and 162.5MB in the end (delta: -2.0MB). Peak memory consumption was 4.4MB. Max. memory is 16.1GB. [2022-11-20 11:53:51,276 INFO L158 Benchmark]: Boogie Preprocessor took 26.23ms. Allocated memory is still 192.9MB. Free memory was 162.5MB in the beginning and 162.1MB in the end (delta: 391.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 11:53:51,277 INFO L158 Benchmark]: RCFGBuilder took 288.22ms. Allocated memory is still 192.9MB. Free memory was 162.1MB in the beginning and 153.7MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-20 11:53:51,277 INFO L158 Benchmark]: BuchiAutomizer took 1813.92ms. Allocated memory is still 192.9MB. Free memory was 153.7MB in the beginning and 130.3MB in the end (delta: 23.4MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. [2022-11-20 11:53:51,278 INFO L158 Benchmark]: Witness Printer took 9.08ms. Allocated memory is still 192.9MB. Free memory was 130.3MB in the beginning and 129.3MB in the end (delta: 977.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 11:53:51,282 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 138.4MB. Free memory is still 107.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 274.90ms. Allocated memory was 138.4MB in the beginning and 192.9MB in the end (delta: 54.5MB). Free memory was 76.1MB in the beginning and 160.5MB in the end (delta: -84.4MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.43ms. Allocated memory is still 192.9MB. Free memory was 160.4MB in the beginning and 162.5MB in the end (delta: -2.0MB). Peak memory consumption was 4.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.23ms. Allocated memory is still 192.9MB. Free memory was 162.5MB in the beginning and 162.1MB in the end (delta: 391.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 288.22ms. Allocated memory is still 192.9MB. Free memory was 162.1MB in the beginning and 153.7MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1813.92ms. Allocated memory is still 192.9MB. Free memory was 153.7MB in the beginning and 130.3MB in the end (delta: 23.4MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. * Witness Printer took 9.08ms. Allocated memory is still 192.9MB. Free memory was 130.3MB in the beginning and 129.3MB in the end (delta: 977.9kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * i + 255 and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.7s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.3s. 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 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 5 mSDtfsCounter, 7 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital13 mio100 ax192 hnf100 lsp40 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 64ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 3 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-11-20 11:53:51,318 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55211568-bdc1-45fe-9ce5-339d9dcf3f54/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-20 11:53:51,519 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55211568-bdc1-45fe-9ce5-339d9dcf3f54/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE