./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted/Thun-2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 38b53e6a 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_16d79354-161d-47c1-a7dd-ed7ec463d1f3/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d79354-161d-47c1-a7dd-ed7ec463d1f3/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d79354-161d-47c1-a7dd-ed7ec463d1f3/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d79354-161d-47c1-a7dd-ed7ec463d1f3/bin/uautomizer-ZsLfNo2U6R/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/Thun-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d79354-161d-47c1-a7dd-ed7ec463d1f3/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d79354-161d-47c1-a7dd-ed7ec463d1f3/bin/uautomizer-ZsLfNo2U6R --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 7a7e4c1bea4db860aff2cd2a7b7cbb6b10c52fe15286dfe6b897761cc9d83fd0 --- 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-38b53e6 [2022-11-25 17:29:51,191 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 17:29:51,194 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 17:29:51,219 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 17:29:51,219 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 17:29:51,220 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 17:29:51,222 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 17:29:51,224 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 17:29:51,226 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 17:29:51,227 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 17:29:51,228 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 17:29:51,230 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 17:29:51,230 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 17:29:51,232 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 17:29:51,233 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 17:29:51,234 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 17:29:51,235 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 17:29:51,236 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 17:29:51,238 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 17:29:51,240 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 17:29:51,242 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 17:29:51,243 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 17:29:51,245 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 17:29:51,246 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 17:29:51,249 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 17:29:51,250 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 17:29:51,250 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 17:29:51,251 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 17:29:51,252 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 17:29:51,253 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 17:29:51,253 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 17:29:51,254 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 17:29:51,255 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 17:29:51,256 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 17:29:51,257 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 17:29:51,258 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 17:29:51,259 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 17:29:51,259 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 17:29:51,259 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 17:29:51,260 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 17:29:51,261 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 17:29:51,262 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d79354-161d-47c1-a7dd-ed7ec463d1f3/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-25 17:29:51,286 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 17:29:51,286 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 17:29:51,287 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 17:29:51,287 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 17:29:51,288 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 17:29:51,289 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 17:29:51,289 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 17:29:51,289 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-25 17:29:51,290 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-25 17:29:51,290 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-25 17:29:51,290 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-25 17:29:51,291 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-25 17:29:51,291 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-25 17:29:51,291 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 17:29:51,291 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 17:29:51,292 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 17:29:51,292 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 17:29:51,292 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-25 17:29:51,293 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-25 17:29:51,293 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-25 17:29:51,293 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 17:29:51,293 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-25 17:29:51,294 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 17:29:51,294 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-25 17:29:51,294 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 17:29:51,295 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 17:29:51,295 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 17:29:51,295 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 17:29:51,296 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-25 17:29:51,297 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_16d79354-161d-47c1-a7dd-ed7ec463d1f3/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d79354-161d-47c1-a7dd-ed7ec463d1f3/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7a7e4c1bea4db860aff2cd2a7b7cbb6b10c52fe15286dfe6b897761cc9d83fd0 [2022-11-25 17:29:51,564 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 17:29:51,594 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 17:29:51,597 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 17:29:51,599 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 17:29:51,600 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 17:29:51,602 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d79354-161d-47c1-a7dd-ed7ec463d1f3/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/termination-crafted/Thun-2.c [2022-11-25 17:29:54,882 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 17:29:55,167 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 17:29:55,168 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d79354-161d-47c1-a7dd-ed7ec463d1f3/sv-benchmarks/c/termination-crafted/Thun-2.c [2022-11-25 17:29:55,176 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d79354-161d-47c1-a7dd-ed7ec463d1f3/bin/uautomizer-ZsLfNo2U6R/data/e52244d04/616a988e8dfb495186d81bf5b6bd7f94/FLAG65904d243 [2022-11-25 17:29:55,193 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d79354-161d-47c1-a7dd-ed7ec463d1f3/bin/uautomizer-ZsLfNo2U6R/data/e52244d04/616a988e8dfb495186d81bf5b6bd7f94 [2022-11-25 17:29:55,196 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 17:29:55,198 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 17:29:55,200 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 17:29:55,200 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 17:29:55,205 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 17:29:55,206 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:29:55" (1/1) ... [2022-11-25 17:29:55,207 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@291654a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:29:55, skipping insertion in model container [2022-11-25 17:29:55,208 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:29:55" (1/1) ... [2022-11-25 17:29:55,217 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 17:29:55,237 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 17:29:55,425 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:29:55,431 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 17:29:55,445 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:29:55,459 INFO L208 MainTranslator]: Completed translation [2022-11-25 17:29:55,460 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:29:55 WrapperNode [2022-11-25 17:29:55,460 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 17:29:55,462 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 17:29:55,462 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 17:29:55,462 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 17:29:55,471 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:29:55" (1/1) ... [2022-11-25 17:29:55,477 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:29:55" (1/1) ... [2022-11-25 17:29:55,496 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 22 [2022-11-25 17:29:55,497 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 17:29:55,498 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 17:29:55,498 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 17:29:55,498 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 17:29:55,508 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:29:55" (1/1) ... [2022-11-25 17:29:55,509 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:29:55" (1/1) ... [2022-11-25 17:29:55,509 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:29:55" (1/1) ... [2022-11-25 17:29:55,510 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:29:55" (1/1) ... [2022-11-25 17:29:55,512 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:29:55" (1/1) ... [2022-11-25 17:29:55,516 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:29:55" (1/1) ... [2022-11-25 17:29:55,516 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:29:55" (1/1) ... [2022-11-25 17:29:55,517 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:29:55" (1/1) ... [2022-11-25 17:29:55,519 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 17:29:55,520 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 17:29:55,520 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 17:29:55,520 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 17:29:55,521 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:29:55" (1/1) ... [2022-11-25 17:29:55,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 17:29:55,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d79354-161d-47c1-a7dd-ed7ec463d1f3/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:29:55,554 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d79354-161d-47c1-a7dd-ed7ec463d1f3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 17:29:55,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d79354-161d-47c1-a7dd-ed7ec463d1f3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-25 17:29:55,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 17:29:55,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 17:29:55,695 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 17:29:55,698 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 17:29:55,768 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 17:29:55,775 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 17:29:55,775 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-25 17:29:55,778 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:29:55 BoogieIcfgContainer [2022-11-25 17:29:55,778 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 17:29:55,779 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-25 17:29:55,780 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-25 17:29:55,784 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-25 17:29:55,785 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 17:29:55,786 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 25.11 05:29:55" (1/3) ... [2022-11-25 17:29:55,787 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@c13b9d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 05:29:55, skipping insertion in model container [2022-11-25 17:29:55,787 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 17:29:55,787 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:29:55" (2/3) ... [2022-11-25 17:29:55,788 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@c13b9d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 05:29:55, skipping insertion in model container [2022-11-25 17:29:55,788 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 17:29:55,788 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:29:55" (3/3) ... [2022-11-25 17:29:55,790 INFO L332 chiAutomizerObserver]: Analyzing ICFG Thun-2.c [2022-11-25 17:29:55,859 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-25 17:29:55,860 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-25 17:29:55,860 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-25 17:29:55,860 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-25 17:29:55,860 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-25 17:29:55,860 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-25 17:29:55,861 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-25 17:29:55,861 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-25 17:29:55,866 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 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) [2022-11-25 17:29:55,887 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-11-25 17:29:55,888 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 17:29:55,888 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 17:29:55,894 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-11-25 17:29:55,895 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-11-25 17:29:55,895 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-25 17:29:55,895 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 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) [2022-11-25 17:29:55,897 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-11-25 17:29:55,897 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 17:29:55,897 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 17:29:55,898 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-11-25 17:29:55,898 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-11-25 17:29:55,908 INFO L748 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 6#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_~x~0#1, main_~y~0#1;havoc main_~x~0#1;havoc main_~y~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 5#L29true assume !!(-65535 <= main_~x~0#1 && main_~x~0#1 <= 65535); 4#L30true assume !!(-65535 <= main_~y~0#1 && main_~y~0#1 <= 65535); 7#L31-2true [2022-11-25 17:29:55,909 INFO L750 eck$LassoCheckResult]: Loop: 7#L31-2true assume !!(main_~x~0#1 >= 0);main_~x~0#1 := main_~x~0#1 + main_~y~0#1;main_~y~0#1 := -2 * main_~y~0#1 - 1; 7#L31-2true [2022-11-25 17:29:55,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:29:55,917 INFO L85 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 1 times [2022-11-25 17:29:55,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:29:55,930 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846452573] [2022-11-25 17:29:55,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:29:55,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:29:56,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:29:56,034 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 17:29:56,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:29:56,058 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 17:29:56,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:29:56,062 INFO L85 PathProgramCache]: Analyzing trace with hash 52, now seen corresponding path program 1 times [2022-11-25 17:29:56,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:29:56,063 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418596918] [2022-11-25 17:29:56,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:29:56,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:29:56,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:29:56,077 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 17:29:56,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:29:56,083 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 17:29:56,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:29:56,085 INFO L85 PathProgramCache]: Analyzing trace with hash 28695853, now seen corresponding path program 1 times [2022-11-25 17:29:56,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:29:56,086 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559959030] [2022-11-25 17:29:56,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:29:56,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:29:56,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:29:56,097 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 17:29:56,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:29:56,112 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 17:29:56,217 INFO L210 LassoAnalysis]: Preferences: [2022-11-25 17:29:56,218 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-25 17:29:56,218 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-25 17:29:56,218 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-25 17:29:56,219 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-25 17:29:56,219 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 17:29:56,219 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-25 17:29:56,219 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-25 17:29:56,219 INFO L133 ssoRankerPreferences]: Filename of dumped script: Thun-2.c_Iteration1_Loop [2022-11-25 17:29:56,220 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-25 17:29:56,220 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-25 17:29:56,279 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 17:29:56,308 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 17:29:56,314 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 17:29:56,474 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-25 17:29:56,475 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-25 17:29:56,478 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 17:29:56,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d79354-161d-47c1-a7dd-ed7ec463d1f3/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:29:56,482 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d79354-161d-47c1-a7dd-ed7ec463d1f3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 17:29:56,508 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-25 17:29:56,508 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-25 17:29:56,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d79354-161d-47c1-a7dd-ed7ec463d1f3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-25 17:29:56,550 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-25 17:29:56,550 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: [] [2022-11-25 17:29:56,554 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d79354-161d-47c1-a7dd-ed7ec463d1f3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2022-11-25 17:29:56,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 17:29:56,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d79354-161d-47c1-a7dd-ed7ec463d1f3/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:29:56,556 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d79354-161d-47c1-a7dd-ed7ec463d1f3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 17:29:56,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d79354-161d-47c1-a7dd-ed7ec463d1f3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-25 17:29:56,561 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-25 17:29:56,561 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-25 17:29:56,588 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-25 17:29:56,588 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: [] [2022-11-25 17:29:56,598 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d79354-161d-47c1-a7dd-ed7ec463d1f3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-25 17:29:56,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 17:29:56,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d79354-161d-47c1-a7dd-ed7ec463d1f3/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:29:56,601 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d79354-161d-47c1-a7dd-ed7ec463d1f3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 17:29:56,613 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-25 17:29:56,613 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-25 17:29:56,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d79354-161d-47c1-a7dd-ed7ec463d1f3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-25 17:29:56,647 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d79354-161d-47c1-a7dd-ed7ec463d1f3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2022-11-25 17:29:56,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 17:29:56,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d79354-161d-47c1-a7dd-ed7ec463d1f3/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:29:56,654 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d79354-161d-47c1-a7dd-ed7ec463d1f3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 17:29:56,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d79354-161d-47c1-a7dd-ed7ec463d1f3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-25 17:29:56,666 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-25 17:29:56,667 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-25 17:29:56,799 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-25 17:29:56,804 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d79354-161d-47c1-a7dd-ed7ec463d1f3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-25 17:29:56,804 INFO L210 LassoAnalysis]: Preferences: [2022-11-25 17:29:56,805 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-25 17:29:56,805 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-25 17:29:56,805 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-25 17:29:56,805 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-25 17:29:56,805 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 17:29:56,805 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-25 17:29:56,806 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-25 17:29:56,806 INFO L133 ssoRankerPreferences]: Filename of dumped script: Thun-2.c_Iteration1_Loop [2022-11-25 17:29:56,806 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-25 17:29:56,806 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-25 17:29:56,809 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 17:29:56,821 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 17:29:56,826 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 17:29:56,918 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-25 17:29:56,924 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-25 17:29:56,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 17:29:56,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d79354-161d-47c1-a7dd-ed7ec463d1f3/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:29:56,927 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d79354-161d-47c1-a7dd-ed7ec463d1f3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 17:29:56,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d79354-161d-47c1-a7dd-ed7ec463d1f3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-25 17:29:56,945 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 [2022-11-25 17:29:56,977 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 17:29:56,977 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 17:29:56,977 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 17:29:56,977 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 17:29:56,984 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 17:29:56,984 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 17:29:57,004 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 17:29:57,018 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d79354-161d-47c1-a7dd-ed7ec463d1f3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-25 17:29:57,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 17:29:57,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d79354-161d-47c1-a7dd-ed7ec463d1f3/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:29:57,021 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d79354-161d-47c1-a7dd-ed7ec463d1f3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 17:29:57,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d79354-161d-47c1-a7dd-ed7ec463d1f3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-25 17:29:57,032 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 [2022-11-25 17:29:57,047 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 17:29:57,047 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 17:29:57,048 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 17:29:57,048 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 17:29:57,052 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 17:29:57,052 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 17:29:57,066 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 17:29:57,075 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d79354-161d-47c1-a7dd-ed7ec463d1f3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-25 17:29:57,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 17:29:57,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d79354-161d-47c1-a7dd-ed7ec463d1f3/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:29:57,080 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d79354-161d-47c1-a7dd-ed7ec463d1f3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 17:29:57,094 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 [2022-11-25 17:29:57,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d79354-161d-47c1-a7dd-ed7ec463d1f3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-25 17:29:57,110 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 17:29:57,110 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 17:29:57,111 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 17:29:57,111 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 17:29:57,111 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 17:29:57,114 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 17:29:57,114 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 17:29:57,135 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 17:29:57,144 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d79354-161d-47c1-a7dd-ed7ec463d1f3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-25 17:29:57,145 INFO L490 LassoAnalysis]: Using template '2-nested'. [2022-11-25 17:29:57,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 17:29:57,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d79354-161d-47c1-a7dd-ed7ec463d1f3/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:29:57,147 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d79354-161d-47c1-a7dd-ed7ec463d1f3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 17:29:57,161 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 [2022-11-25 17:29:57,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d79354-161d-47c1-a7dd-ed7ec463d1f3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-25 17:29:57,181 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 17:29:57,181 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 17:29:57,182 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 17:29:57,182 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-25 17:29:57,194 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2022-11-25 17:29:57,194 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2022-11-25 17:29:57,226 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 17:29:57,236 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d79354-161d-47c1-a7dd-ed7ec463d1f3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-25 17:29:57,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 17:29:57,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d79354-161d-47c1-a7dd-ed7ec463d1f3/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:29:57,238 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d79354-161d-47c1-a7dd-ed7ec463d1f3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 17:29:57,244 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 [2022-11-25 17:29:57,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d79354-161d-47c1-a7dd-ed7ec463d1f3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-25 17:29:57,259 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 17:29:57,259 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 17:29:57,259 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 17:29:57,259 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-25 17:29:57,268 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2022-11-25 17:29:57,269 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2022-11-25 17:29:57,288 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 17:29:57,297 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d79354-161d-47c1-a7dd-ed7ec463d1f3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-25 17:29:57,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 17:29:57,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d79354-161d-47c1-a7dd-ed7ec463d1f3/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:29:57,301 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d79354-161d-47c1-a7dd-ed7ec463d1f3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 17:29:57,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d79354-161d-47c1-a7dd-ed7ec463d1f3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-25 17:29:57,326 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 [2022-11-25 17:29:57,339 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 17:29:57,339 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 17:29:57,339 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 17:29:57,339 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 17:29:57,340 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-25 17:29:57,348 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-25 17:29:57,348 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 17:29:57,359 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-25 17:29:57,367 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-11-25 17:29:57,367 INFO L444 ModelExtractionUtils]: 1 out of 7 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-11-25 17:29:57,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 17:29:57,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d79354-161d-47c1-a7dd-ed7ec463d1f3/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:29:57,388 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d79354-161d-47c1-a7dd-ed7ec463d1f3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 17:29:57,398 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-25 17:29:57,398 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-25 17:29:57,398 INFO L513 LassoAnalysis]: Proved termination. [2022-11-25 17:29:57,399 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function 2-nested ranking function: f0 = 2*ULTIMATE.start_main_~y~0#1 + 6*ULTIMATE.start_main_~x~0#1 + 1 f1 = 2*ULTIMATE.start_main_~x~0#1 + 1 Supporting invariants [] [2022-11-25 17:29:57,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d79354-161d-47c1-a7dd-ed7ec463d1f3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-25 17:29:57,408 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d79354-161d-47c1-a7dd-ed7ec463d1f3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-25 17:29:57,414 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-25 17:29:57,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:29:57,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:29:57,503 INFO L263 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 17:29:57,506 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:29:57,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:29:57,539 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-25 17:29:57,540 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:29:57,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:29:57,586 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-11-25 17:29:57,588 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 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 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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) [2022-11-25 17:29:57,662 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 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 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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 21 states and 25 transitions. Complement of second has 5 states. [2022-11-25 17:29:57,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-25 17:29:57,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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) [2022-11-25 17:29:57,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 17 transitions. [2022-11-25 17:29:57,680 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 4 letters. Loop has 1 letters. [2022-11-25 17:29:57,682 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 17:29:57,682 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 5 letters. Loop has 1 letters. [2022-11-25 17:29:57,683 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 17:29:57,684 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 4 letters. Loop has 2 letters. [2022-11-25 17:29:57,687 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 17:29:57,689 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 25 transitions. [2022-11-25 17:29:57,697 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-25 17:29:57,700 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 0 states and 0 transitions. [2022-11-25 17:29:57,702 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-25 17:29:57,702 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-25 17:29:57,703 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-25 17:29:57,703 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 17:29:57,703 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 17:29:57,723 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 17:29:57,723 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 17:29:57,724 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-25 17:29:57,724 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-25 17:29:57,724 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-25 17:29:57,724 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-25 17:29:57,753 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 25.11 05:29:57 BoogieIcfgContainer [2022-11-25 17:29:57,754 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-25 17:29:57,756 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d79354-161d-47c1-a7dd-ed7ec463d1f3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-25 17:29:57,758 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 17:29:57,758 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 17:29:57,758 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 17:29:57,759 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:29:55" (3/4) ... [2022-11-25 17:29:57,767 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-25 17:29:57,767 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 17:29:57,768 INFO L158 Benchmark]: Toolchain (without parser) took 2569.62ms. Allocated memory is still 172.0MB. Free memory was 140.1MB in the beginning and 139.9MB in the end (delta: 121.5kB). Peak memory consumption was 2.0MB. Max. memory is 16.1GB. [2022-11-25 17:29:57,770 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 123.7MB. Free memory was 91.9MB in the beginning and 91.9MB in the end (delta: 27.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:29:57,771 INFO L158 Benchmark]: CACSL2BoogieTranslator took 260.73ms. Allocated memory is still 172.0MB. Free memory was 140.1MB in the beginning and 130.5MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-25 17:29:57,777 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.42ms. Allocated memory is still 172.0MB. Free memory was 130.5MB in the beginning and 129.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:29:57,778 INFO L158 Benchmark]: Boogie Preprocessor took 21.20ms. Allocated memory is still 172.0MB. Free memory was 129.2MB in the beginning and 128.4MB in the end (delta: 786.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 17:29:57,778 INFO L158 Benchmark]: RCFGBuilder took 258.64ms. Allocated memory is still 172.0MB. Free memory was 128.4MB in the beginning and 119.2MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-25 17:29:57,779 INFO L158 Benchmark]: BuchiAutomizer took 1974.30ms. Allocated memory is still 172.0MB. Free memory was 119.2MB in the beginning and 139.9MB in the end (delta: -20.8MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2022-11-25 17:29:57,779 INFO L158 Benchmark]: Witness Printer took 9.21ms. Allocated memory is still 172.0MB. Free memory is still 139.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:29:57,791 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 123.7MB. Free memory was 91.9MB in the beginning and 91.9MB in the end (delta: 27.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 260.73ms. Allocated memory is still 172.0MB. Free memory was 140.1MB in the beginning and 130.5MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.42ms. Allocated memory is still 172.0MB. Free memory was 130.5MB in the beginning and 129.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 21.20ms. Allocated memory is still 172.0MB. Free memory was 129.2MB in the beginning and 128.4MB in the end (delta: 786.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 258.64ms. Allocated memory is still 172.0MB. Free memory was 128.4MB in the beginning and 119.2MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1974.30ms. Allocated memory is still 172.0MB. Free memory was 119.2MB in the beginning and 139.9MB in the end (delta: -20.8MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. * Witness Printer took 9.21ms. Allocated memory is still 172.0MB. Free memory is still 139.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has 2-nested ranking function (if 2 * y + 6 * x + 1 > 0 then 1 else 0), (if 2 * y + 6 * x + 1 > 0 then 2 * y + 6 * x + 1 else 2 * x + 1) and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.5s. 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, 12 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11 mSDsluCounter, 14 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 11 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital18 mio100 ax166 hnf100 lsp60 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq183 hnf93 smp100 dnf100 smp100 tf106 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 81ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 3 MotzkinApplications: 9 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-11-25 17:29:57,841 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d79354-161d-47c1-a7dd-ed7ec463d1f3/bin/uautomizer-ZsLfNo2U6R/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