./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted/Copenhagen.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f848a5-27a1-431f-a1c9-44465f23f022/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f848a5-27a1-431f-a1c9-44465f23f022/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f848a5-27a1-431f-a1c9-44465f23f022/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f848a5-27a1-431f-a1c9-44465f23f022/bin/uautomizer-tPACEb0tL8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/Copenhagen.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f848a5-27a1-431f-a1c9-44465f23f022/bin/uautomizer-tPACEb0tL8/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f848a5-27a1-431f-a1c9-44465f23f022/bin/uautomizer-tPACEb0tL8 --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 97f3ae71d7e55617c3dc3c40b5dfbc58b84ebe43530264553a18780748bc766c --- 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-e04fb08 [2022-11-16 12:10:45,669 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 12:10:45,675 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 12:10:45,702 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 12:10:45,702 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 12:10:45,704 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 12:10:45,705 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 12:10:45,707 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 12:10:45,709 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 12:10:45,710 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 12:10:45,712 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 12:10:45,713 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 12:10:45,713 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 12:10:45,715 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 12:10:45,716 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 12:10:45,718 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 12:10:45,719 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 12:10:45,720 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 12:10:45,722 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 12:10:45,725 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 12:10:45,727 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 12:10:45,728 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 12:10:45,730 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 12:10:45,731 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 12:10:45,735 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 12:10:45,735 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 12:10:45,736 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 12:10:45,737 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 12:10:45,738 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 12:10:45,739 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 12:10:45,739 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 12:10:45,741 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 12:10:45,742 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 12:10:45,743 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 12:10:45,744 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 12:10:45,745 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 12:10:45,746 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 12:10:45,746 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 12:10:45,746 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 12:10:45,748 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 12:10:45,749 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 12:10:45,750 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f848a5-27a1-431f-a1c9-44465f23f022/bin/uautomizer-tPACEb0tL8/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-16 12:10:45,774 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 12:10:45,775 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 12:10:45,775 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 12:10:45,775 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 12:10:45,777 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 12:10:45,777 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 12:10:45,777 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 12:10:45,778 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-16 12:10:45,778 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-16 12:10:45,778 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-16 12:10:45,778 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-16 12:10:45,779 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-16 12:10:45,779 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-16 12:10:45,779 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 12:10:45,779 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 12:10:45,780 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 12:10:45,780 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 12:10:45,780 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-16 12:10:45,780 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-16 12:10:45,781 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-16 12:10:45,781 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 12:10:45,781 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-16 12:10:45,781 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 12:10:45,781 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-16 12:10:45,782 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 12:10:45,782 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 12:10:45,782 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 12:10:45,782 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 12:10:45,784 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-16 12:10:45,784 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_32f848a5-27a1-431f-a1c9-44465f23f022/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f848a5-27a1-431f-a1c9-44465f23f022/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 97f3ae71d7e55617c3dc3c40b5dfbc58b84ebe43530264553a18780748bc766c [2022-11-16 12:10:46,128 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 12:10:46,160 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 12:10:46,163 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 12:10:46,165 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 12:10:46,166 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 12:10:46,168 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f848a5-27a1-431f-a1c9-44465f23f022/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/termination-crafted/Copenhagen.c [2022-11-16 12:10:46,258 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f848a5-27a1-431f-a1c9-44465f23f022/bin/uautomizer-tPACEb0tL8/data/feef9c554/721425ad2546430fb2e2e4b3c08cf716/FLAG3dbf3c58f [2022-11-16 12:10:46,803 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 12:10:46,804 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f848a5-27a1-431f-a1c9-44465f23f022/sv-benchmarks/c/termination-crafted/Copenhagen.c [2022-11-16 12:10:46,811 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f848a5-27a1-431f-a1c9-44465f23f022/bin/uautomizer-tPACEb0tL8/data/feef9c554/721425ad2546430fb2e2e4b3c08cf716/FLAG3dbf3c58f [2022-11-16 12:10:47,152 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f848a5-27a1-431f-a1c9-44465f23f022/bin/uautomizer-tPACEb0tL8/data/feef9c554/721425ad2546430fb2e2e4b3c08cf716 [2022-11-16 12:10:47,155 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 12:10:47,157 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 12:10:47,159 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 12:10:47,159 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 12:10:47,163 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 12:10:47,164 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:10:47" (1/1) ... [2022-11-16 12:10:47,165 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e11304e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:10:47, skipping insertion in model container [2022-11-16 12:10:47,165 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:10:47" (1/1) ... [2022-11-16 12:10:47,174 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 12:10:47,187 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 12:10:47,416 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:10:47,420 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 12:10:47,436 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:10:47,450 INFO L208 MainTranslator]: Completed translation [2022-11-16 12:10:47,451 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:10:47 WrapperNode [2022-11-16 12:10:47,451 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 12:10:47,453 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 12:10:47,453 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 12:10:47,454 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 12:10:47,463 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:10:47" (1/1) ... [2022-11-16 12:10:47,471 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:10:47" (1/1) ... [2022-11-16 12:10:47,492 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 18 [2022-11-16 12:10:47,492 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 12:10:47,494 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 12:10:47,494 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 12:10:47,494 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 12:10:47,504 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:10:47" (1/1) ... [2022-11-16 12:10:47,504 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:10:47" (1/1) ... [2022-11-16 12:10:47,505 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:10:47" (1/1) ... [2022-11-16 12:10:47,506 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:10:47" (1/1) ... [2022-11-16 12:10:47,508 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:10:47" (1/1) ... [2022-11-16 12:10:47,513 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:10:47" (1/1) ... [2022-11-16 12:10:47,514 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:10:47" (1/1) ... [2022-11-16 12:10:47,515 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:10:47" (1/1) ... [2022-11-16 12:10:47,516 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 12:10:47,519 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 12:10:47,519 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 12:10:47,519 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 12:10:47,521 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:10:47" (1/1) ... [2022-11-16 12:10:47,530 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:10:47,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f848a5-27a1-431f-a1c9-44465f23f022/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:10:47,560 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f848a5-27a1-431f-a1c9-44465f23f022/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:10:47,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f848a5-27a1-431f-a1c9-44465f23f022/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-16 12:10:47,608 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 12:10:47,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 12:10:47,693 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 12:10:47,697 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 12:10:47,784 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 12:10:47,791 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 12:10:47,791 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-16 12:10:47,798 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:10:47 BoogieIcfgContainer [2022-11-16 12:10:47,798 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 12:10:47,801 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-16 12:10:47,801 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-16 12:10:47,806 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-16 12:10:47,806 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 12:10:47,807 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 16.11 12:10:47" (1/3) ... [2022-11-16 12:10:47,809 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7e69eb8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 12:10:47, skipping insertion in model container [2022-11-16 12:10:47,809 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 12:10:47,810 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:10:47" (2/3) ... [2022-11-16 12:10:47,810 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7e69eb8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 12:10:47, skipping insertion in model container [2022-11-16 12:10:47,810 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 12:10:47,810 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:10:47" (3/3) ... [2022-11-16 12:10:47,812 INFO L332 chiAutomizerObserver]: Analyzing ICFG Copenhagen.c [2022-11-16 12:10:47,889 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-16 12:10:47,889 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-16 12:10:47,889 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-16 12:10:47,889 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-16 12:10:47,890 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-16 12:10:47,890 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-16 12:10:47,890 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-16 12:10:47,890 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-16 12:10:47,898 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 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) [2022-11-16 12:10:47,933 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-11-16 12:10:47,933 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:10:47,934 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:10:47,939 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-16 12:10:47,940 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-11-16 12:10:47,940 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-16 12:10:47,940 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 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) [2022-11-16 12:10:47,941 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-11-16 12:10:47,946 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:10:47,946 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:10:47,946 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-16 12:10:47,947 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-11-16 12:10:47,957 INFO L748 eck$LassoCheckResult]: Stem: 3#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_~x~0#1, main_~y~0#1, main_~oldx~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~oldx~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; 6#L16-2true [2022-11-16 12:10:47,958 INFO L750 eck$LassoCheckResult]: Loop: 6#L16-2true assume !!(main_~x~0#1 >= 0 && main_~y~0#1 >= 0);main_~oldx~0#1 := main_~x~0#1;main_~x~0#1 := main_~y~0#1 - 1;main_~y~0#1 := main_~oldx~0#1 - 1; 6#L16-2true [2022-11-16 12:10:47,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:10:47,966 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-11-16 12:10:47,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:10:47,979 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273798252] [2022-11-16 12:10:47,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:10:47,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:10:48,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:10:48,075 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:10:48,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:10:48,113 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:10:48,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:10:48,118 INFO L85 PathProgramCache]: Analyzing trace with hash 42, now seen corresponding path program 1 times [2022-11-16 12:10:48,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:10:48,120 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159214865] [2022-11-16 12:10:48,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:10:48,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:10:48,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:10:48,149 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:10:48,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:10:48,171 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:10:48,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:10:48,179 INFO L85 PathProgramCache]: Analyzing trace with hash 29864, now seen corresponding path program 1 times [2022-11-16 12:10:48,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:10:48,179 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404340389] [2022-11-16 12:10:48,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:10:48,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:10:48,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:10:48,187 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:10:48,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:10:48,206 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:10:48,364 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 12:10:48,364 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 12:10:48,365 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 12:10:48,365 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 12:10:48,365 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-16 12:10:48,366 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:10:48,366 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 12:10:48,366 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 12:10:48,366 INFO L133 ssoRankerPreferences]: Filename of dumped script: Copenhagen.c_Iteration1_Loop [2022-11-16 12:10:48,366 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 12:10:48,367 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 12:10:48,387 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:10:48,401 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:10:48,405 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:10:48,500 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 12:10:48,501 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-16 12:10:48,503 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:10:48,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f848a5-27a1-431f-a1c9-44465f23f022/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:10:48,507 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f848a5-27a1-431f-a1c9-44465f23f022/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:10:48,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f848a5-27a1-431f-a1c9-44465f23f022/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-16 12:10:48,535 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-16 12:10:48,538 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 12:10:48,571 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-16 12:10:48,571 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: [] [2022-11-16 12:10:48,582 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f848a5-27a1-431f-a1c9-44465f23f022/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-16 12:10:48,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:10:48,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f848a5-27a1-431f-a1c9-44465f23f022/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:10:48,586 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f848a5-27a1-431f-a1c9-44465f23f022/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:10:48,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f848a5-27a1-431f-a1c9-44465f23f022/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-16 12:10:48,597 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-16 12:10:48,597 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 12:10:48,627 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-16 12:10:48,627 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: [] [2022-11-16 12:10:48,638 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f848a5-27a1-431f-a1c9-44465f23f022/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-16 12:10:48,638 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:10:48,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f848a5-27a1-431f-a1c9-44465f23f022/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:10:48,641 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f848a5-27a1-431f-a1c9-44465f23f022/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:10:48,656 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-16 12:10:48,656 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 12:10:48,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f848a5-27a1-431f-a1c9-44465f23f022/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-16 12:10:48,717 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f848a5-27a1-431f-a1c9-44465f23f022/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-16 12:10:48,717 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:10:48,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f848a5-27a1-431f-a1c9-44465f23f022/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:10:48,722 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f848a5-27a1-431f-a1c9-44465f23f022/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:10:48,738 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-16 12:10:48,739 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 12:10:48,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f848a5-27a1-431f-a1c9-44465f23f022/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-16 12:10:49,131 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-16 12:10:49,142 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f848a5-27a1-431f-a1c9-44465f23f022/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-16 12:10:49,142 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 12:10:49,143 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 12:10:49,143 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 12:10:49,143 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 12:10:49,143 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-16 12:10:49,143 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:10:49,143 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 12:10:49,143 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 12:10:49,143 INFO L133 ssoRankerPreferences]: Filename of dumped script: Copenhagen.c_Iteration1_Loop [2022-11-16 12:10:49,144 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 12:10:49,144 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 12:10:49,146 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:10:49,154 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:10:49,167 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:10:49,312 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 12:10:49,318 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-16 12:10:49,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:10:49,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f848a5-27a1-431f-a1c9-44465f23f022/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:10:49,330 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f848a5-27a1-431f-a1c9-44465f23f022/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:10:49,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f848a5-27a1-431f-a1c9-44465f23f022/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-16 12:10:49,357 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 [2022-11-16 12:10:49,370 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:10:49,370 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:10:49,370 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:10:49,371 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:10:49,375 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:10:49,376 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:10:49,389 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:10:49,394 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f848a5-27a1-431f-a1c9-44465f23f022/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-16 12:10:49,394 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:10:49,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f848a5-27a1-431f-a1c9-44465f23f022/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:10:49,396 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f848a5-27a1-431f-a1c9-44465f23f022/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:10:49,411 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 [2022-11-16 12:10:49,424 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:10:49,424 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:10:49,424 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:10:49,424 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:10:49,429 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:10:49,430 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:10:49,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f848a5-27a1-431f-a1c9-44465f23f022/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-16 12:10:49,448 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:10:49,454 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f848a5-27a1-431f-a1c9-44465f23f022/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-16 12:10:49,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:10:49,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f848a5-27a1-431f-a1c9-44465f23f022/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:10:49,456 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f848a5-27a1-431f-a1c9-44465f23f022/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:10:49,465 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 [2022-11-16 12:10:49,477 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:10:49,477 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:10:49,478 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:10:49,478 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:10:49,478 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:10:49,481 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:10:49,481 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:10:49,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f848a5-27a1-431f-a1c9-44465f23f022/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-16 12:10:49,492 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-16 12:10:49,496 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-11-16 12:10:49,496 INFO L444 ModelExtractionUtils]: 1 out of 5 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-11-16 12:10:49,498 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:10:49,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f848a5-27a1-431f-a1c9-44465f23f022/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:10:49,502 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f848a5-27a1-431f-a1c9-44465f23f022/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:10:49,506 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-16 12:10:49,506 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-16 12:10:49,507 INFO L513 LassoAnalysis]: Proved termination. [2022-11-16 12:10:49,507 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1, ULTIMATE.start_main_~x~0#1) = 1*ULTIMATE.start_main_~y~0#1 + 1*ULTIMATE.start_main_~x~0#1 + 1 Supporting invariants [] [2022-11-16 12:10:49,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f848a5-27a1-431f-a1c9-44465f23f022/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-16 12:10:49,516 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f848a5-27a1-431f-a1c9-44465f23f022/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-16 12:10:49,520 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-16 12:10:49,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:10:49,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:10:49,560 WARN L261 TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-16 12:10:49,561 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:10:49,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:10:49,575 WARN L261 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-16 12:10:49,576 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:10:49,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:10:49,616 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 [2022-11-16 12:10:49,618 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 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 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:10:49,657 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 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 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 16 states and 19 transitions. Complement of second has 5 states. [2022-11-16 12:10:49,659 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 [2022-11-16 12:10:49,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:10:49,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 11 transitions. [2022-11-16 12:10:49,667 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 2 letters. Loop has 1 letters. [2022-11-16 12:10:49,668 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:10:49,668 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 3 letters. Loop has 1 letters. [2022-11-16 12:10:49,668 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:10:49,668 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 2 letters. Loop has 2 letters. [2022-11-16 12:10:49,669 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:10:49,670 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 19 transitions. [2022-11-16 12:10:49,675 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-16 12:10:49,678 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 0 states and 0 transitions. [2022-11-16 12:10:49,694 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-16 12:10:49,695 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-16 12:10:49,695 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-16 12:10:49,696 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:10:49,696 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 12:10:49,696 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 12:10:49,696 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 12:10:49,696 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-16 12:10:49,697 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-16 12:10:49,697 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-16 12:10:49,697 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-16 12:10:49,704 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 16.11 12:10:49 BoogieIcfgContainer [2022-11-16 12:10:49,704 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-16 12:10:49,705 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 12:10:49,705 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 12:10:49,705 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 12:10:49,706 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:10:47" (3/4) ... [2022-11-16 12:10:49,722 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-16 12:10:49,723 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 12:10:49,724 INFO L158 Benchmark]: Toolchain (without parser) took 2566.68ms. Allocated memory was 88.1MB in the beginning and 115.3MB in the end (delta: 27.3MB). Free memory was 54.0MB in the beginning and 78.5MB in the end (delta: -24.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:10:49,724 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 88.1MB. Free memory is still 70.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:10:49,725 INFO L158 Benchmark]: CACSL2BoogieTranslator took 293.30ms. Allocated memory was 88.1MB in the beginning and 115.3MB in the end (delta: 27.3MB). Free memory was 53.8MB in the beginning and 94.9MB in the end (delta: -41.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 12:10:49,725 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.09ms. Allocated memory is still 115.3MB. Free memory was 94.9MB in the beginning and 93.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:10:49,726 INFO L158 Benchmark]: Boogie Preprocessor took 22.80ms. Allocated memory is still 115.3MB. Free memory was 93.5MB in the beginning and 92.5MB in the end (delta: 989.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 12:10:49,727 INFO L158 Benchmark]: RCFGBuilder took 280.01ms. Allocated memory is still 115.3MB. Free memory was 92.5MB in the beginning and 84.5MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-16 12:10:49,727 INFO L158 Benchmark]: BuchiAutomizer took 1903.64ms. Allocated memory is still 115.3MB. Free memory was 84.2MB in the beginning and 78.5MB in the end (delta: 5.7MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. [2022-11-16 12:10:49,728 INFO L158 Benchmark]: Witness Printer took 17.72ms. Allocated memory is still 115.3MB. Free memory is still 78.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:10:49,731 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 88.1MB. Free memory is still 70.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 293.30ms. Allocated memory was 88.1MB in the beginning and 115.3MB in the end (delta: 27.3MB). Free memory was 53.8MB in the beginning and 94.9MB in the end (delta: -41.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.09ms. Allocated memory is still 115.3MB. Free memory was 94.9MB in the beginning and 93.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 22.80ms. Allocated memory is still 115.3MB. Free memory was 93.5MB in the beginning and 92.5MB in the end (delta: 989.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 280.01ms. Allocated memory is still 115.3MB. Free memory was 92.5MB in the beginning and 84.5MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1903.64ms. Allocated memory is still 115.3MB. Free memory was 84.2MB in the beginning and 78.5MB in the end (delta: 5.7MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. * Witness Printer took 17.72ms. Allocated memory is still 115.3MB. Free memory is still 78.5MB. 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 x + y + 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 0.1s. 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, 8 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, 5 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital21 mio100 ax157 hnf100 lsp63 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq176 hnf91 smp100 dnf100 smp100 tf105 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 69ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.6s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-11-16 12:10:49,795 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f848a5-27a1-431f-a1c9-44465f23f022/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-16 12:10:49,975 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f848a5-27a1-431f-a1c9-44465f23f022/bin/uautomizer-tPACEb0tL8/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