./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted/Mysore-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_0a8858a7-ee00-439e-900b-3e97f3730645/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a8858a7-ee00-439e-900b-3e97f3730645/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_0a8858a7-ee00-439e-900b-3e97f3730645/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a8858a7-ee00-439e-900b-3e97f3730645/bin/uautomizer-ZsLfNo2U6R/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/Mysore-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a8858a7-ee00-439e-900b-3e97f3730645/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_0a8858a7-ee00-439e-900b-3e97f3730645/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 e573de14d9788c77bce7065ed34a1586a64b72729dbf270f6aaf1ae9cdd54fd7 --- 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 17:44:42,814 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 17:44:42,816 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 17:44:42,837 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 17:44:42,837 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 17:44:42,839 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 17:44:42,840 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 17:44:42,842 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 17:44:42,844 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 17:44:42,845 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 17:44:42,846 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 17:44:42,847 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 17:44:42,848 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 17:44:42,849 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 17:44:42,850 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 17:44:42,851 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 17:44:42,852 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 17:44:42,853 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 17:44:42,856 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 17:44:42,858 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 17:44:42,859 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 17:44:42,861 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 17:44:42,862 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 17:44:42,863 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 17:44:42,868 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 17:44:42,868 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 17:44:42,869 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 17:44:42,870 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 17:44:42,871 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 17:44:42,872 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 17:44:42,872 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 17:44:42,874 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 17:44:42,875 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 17:44:42,876 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 17:44:42,877 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 17:44:42,877 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 17:44:42,878 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 17:44:42,879 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 17:44:42,879 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 17:44:42,880 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 17:44:42,881 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 17:44:42,885 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a8858a7-ee00-439e-900b-3e97f3730645/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-25 17:44:42,928 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 17:44:42,929 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 17:44:42,929 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 17:44:42,929 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 17:44:42,930 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 17:44:42,930 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 17:44:42,938 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 17:44:42,939 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-25 17:44:42,939 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-25 17:44:42,939 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-25 17:44:42,940 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-25 17:44:42,940 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-25 17:44:42,941 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-25 17:44:42,941 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 17:44:42,941 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 17:44:42,941 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 17:44:42,942 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 17:44:42,942 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-25 17:44:42,942 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-25 17:44:42,942 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-25 17:44:42,942 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 17:44:42,942 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-25 17:44:42,943 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 17:44:42,943 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-25 17:44:42,944 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 17:44:42,944 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 17:44:42,944 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 17:44:42,945 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 17:44:42,947 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-25 17:44:42,947 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_0a8858a7-ee00-439e-900b-3e97f3730645/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a8858a7-ee00-439e-900b-3e97f3730645/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e573de14d9788c77bce7065ed34a1586a64b72729dbf270f6aaf1ae9cdd54fd7 [2022-11-25 17:44:43,270 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 17:44:43,293 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 17:44:43,296 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 17:44:43,298 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 17:44:43,299 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 17:44:43,300 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a8858a7-ee00-439e-900b-3e97f3730645/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/termination-crafted/Mysore-2.c [2022-11-25 17:44:46,469 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 17:44:46,692 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 17:44:46,693 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a8858a7-ee00-439e-900b-3e97f3730645/sv-benchmarks/c/termination-crafted/Mysore-2.c [2022-11-25 17:44:46,699 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a8858a7-ee00-439e-900b-3e97f3730645/bin/uautomizer-ZsLfNo2U6R/data/9c15c80aa/1c70a40df9834f9da98bcabea6cfac2b/FLAGb9a8400d6 [2022-11-25 17:44:46,715 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a8858a7-ee00-439e-900b-3e97f3730645/bin/uautomizer-ZsLfNo2U6R/data/9c15c80aa/1c70a40df9834f9da98bcabea6cfac2b [2022-11-25 17:44:46,718 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 17:44:46,720 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 17:44:46,721 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 17:44:46,722 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 17:44:46,726 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 17:44:46,727 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:44:46" (1/1) ... [2022-11-25 17:44:46,728 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ca3664e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:44:46, skipping insertion in model container [2022-11-25 17:44:46,728 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:44:46" (1/1) ... [2022-11-25 17:44:46,736 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 17:44:46,750 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 17:44:46,931 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:44:46,941 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 17:44:46,961 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:44:46,975 INFO L208 MainTranslator]: Completed translation [2022-11-25 17:44:46,977 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:44:46 WrapperNode [2022-11-25 17:44:46,977 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 17:44:46,979 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 17:44:46,979 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 17:44:46,979 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 17:44:46,988 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:44:46" (1/1) ... [2022-11-25 17:44:46,995 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:44:46" (1/1) ... [2022-11-25 17:44:47,012 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 23 [2022-11-25 17:44:47,013 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 17:44:47,013 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 17:44:47,013 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 17:44:47,014 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 17:44:47,023 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:44:46" (1/1) ... [2022-11-25 17:44:47,024 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:44:46" (1/1) ... [2022-11-25 17:44:47,024 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:44:46" (1/1) ... [2022-11-25 17:44:47,024 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:44:46" (1/1) ... [2022-11-25 17:44:47,026 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:44:46" (1/1) ... [2022-11-25 17:44:47,030 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:44:46" (1/1) ... [2022-11-25 17:44:47,041 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:44:46" (1/1) ... [2022-11-25 17:44:47,042 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:44:46" (1/1) ... [2022-11-25 17:44:47,043 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 17:44:47,044 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 17:44:47,044 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 17:44:47,044 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 17:44:47,045 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:44:46" (1/1) ... [2022-11-25 17:44:47,052 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 17:44:47,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a8858a7-ee00-439e-900b-3e97f3730645/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:44:47,076 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a8858a7-ee00-439e-900b-3e97f3730645/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 17:44:47,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a8858a7-ee00-439e-900b-3e97f3730645/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-25 17:44:47,138 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 17:44:47,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 17:44:47,226 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 17:44:47,229 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 17:44:47,342 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 17:44:47,349 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 17:44:47,349 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-25 17:44:47,351 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:44:47 BoogieIcfgContainer [2022-11-25 17:44:47,351 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 17:44:47,353 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-25 17:44:47,354 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-25 17:44:47,358 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-25 17:44:47,359 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 17:44:47,359 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 25.11 05:44:46" (1/3) ... [2022-11-25 17:44:47,362 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2407cb91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 05:44:47, skipping insertion in model container [2022-11-25 17:44:47,362 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 17:44:47,362 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:44:46" (2/3) ... [2022-11-25 17:44:47,363 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2407cb91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 05:44:47, skipping insertion in model container [2022-11-25 17:44:47,364 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 17:44:47,364 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:44:47" (3/3) ... [2022-11-25 17:44:47,366 INFO L332 chiAutomizerObserver]: Analyzing ICFG Mysore-2.c [2022-11-25 17:44:47,471 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-25 17:44:47,471 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-25 17:44:47,472 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-25 17:44:47,472 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-25 17:44:47,472 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-25 17:44:47,472 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-25 17:44:47,472 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-25 17:44:47,473 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-25 17:44:47,484 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 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 17:44:47,508 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-11-25 17:44:47,509 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 17:44:47,509 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 17:44:47,514 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-11-25 17:44:47,515 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-11-25 17:44:47,515 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-25 17:44:47,515 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 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 17:44:47,518 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-11-25 17:44:47,518 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 17:44:47,518 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 17:44:47,519 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-11-25 17:44:47,520 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-11-25 17:44:47,529 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_~c~0#1, main_~x~0#1;havoc main_~c~0#1;havoc main_~x~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~c~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 7#L19true assume !!(-65535 <= main_~x~0#1 && main_~x~0#1 <= 65535); 9#L20true assume !!(-65535 <= main_~c~0#1 && main_~c~0#1 <= 65535); 5#L21true assume main_~c~0#1 >= 2; 8#L22-2true [2022-11-25 17:44:47,532 INFO L750 eck$LassoCheckResult]: Loop: 8#L22-2true assume !!(main_~x~0#1 + main_~c~0#1 >= 0);main_~x~0#1 := main_~x~0#1 - main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1; 8#L22-2true [2022-11-25 17:44:47,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:44:47,539 INFO L85 PathProgramCache]: Analyzing trace with hash 28695847, now seen corresponding path program 1 times [2022-11-25 17:44:47,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:44:47,551 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536958272] [2022-11-25 17:44:47,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:44:47,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:44:47,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:44:47,634 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 17:44:47,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:44:47,655 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 17:44:47,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:44:47,658 INFO L85 PathProgramCache]: Analyzing trace with hash 55, now seen corresponding path program 1 times [2022-11-25 17:44:47,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:44:47,659 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725829339] [2022-11-25 17:44:47,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:44:47,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:44:47,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:44:47,669 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 17:44:47,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:44:47,674 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 17:44:47,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:44:47,676 INFO L85 PathProgramCache]: Analyzing trace with hash 889571281, now seen corresponding path program 1 times [2022-11-25 17:44:47,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:44:47,677 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426265927] [2022-11-25 17:44:47,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:44:47,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:44:47,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:44:47,688 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 17:44:47,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:44:47,696 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 17:44:47,771 INFO L210 LassoAnalysis]: Preferences: [2022-11-25 17:44:47,771 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-25 17:44:47,772 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-25 17:44:47,772 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-25 17:44:47,772 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-25 17:44:47,772 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 17:44:47,772 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-25 17:44:47,773 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-25 17:44:47,773 INFO L133 ssoRankerPreferences]: Filename of dumped script: Mysore-2.c_Iteration1_Loop [2022-11-25 17:44:47,773 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-25 17:44:47,773 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-25 17:44:47,793 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 17:44:47,806 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 17:44:47,811 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 17:44:47,938 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-25 17:44:47,939 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-25 17:44:47,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 17:44:47,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a8858a7-ee00-439e-900b-3e97f3730645/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:44:47,963 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a8858a7-ee00-439e-900b-3e97f3730645/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 17:44:47,984 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-25 17:44:47,985 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-25 17:44:48,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a8858a7-ee00-439e-900b-3e97f3730645/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-25 17:44:48,027 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-25 17:44:48,028 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 17:44:48,034 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a8858a7-ee00-439e-900b-3e97f3730645/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-25 17:44:48,043 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 17:44:48,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a8858a7-ee00-439e-900b-3e97f3730645/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:44:48,045 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a8858a7-ee00-439e-900b-3e97f3730645/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 17:44:48,072 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-25 17:44:48,072 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-25 17:44:48,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a8858a7-ee00-439e-900b-3e97f3730645/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-25 17:44:48,093 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-25 17:44:48,093 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 17:44:48,100 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a8858a7-ee00-439e-900b-3e97f3730645/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-25 17:44:48,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 17:44:48,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a8858a7-ee00-439e-900b-3e97f3730645/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:44:48,101 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a8858a7-ee00-439e-900b-3e97f3730645/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 17:44:48,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a8858a7-ee00-439e-900b-3e97f3730645/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-25 17:44:48,104 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-25 17:44:48,105 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-25 17:44:48,131 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a8858a7-ee00-439e-900b-3e97f3730645/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-25 17:44:48,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 17:44:48,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a8858a7-ee00-439e-900b-3e97f3730645/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:44:48,133 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a8858a7-ee00-439e-900b-3e97f3730645/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 17:44:48,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a8858a7-ee00-439e-900b-3e97f3730645/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-25 17:44:48,139 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-25 17:44:48,139 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-25 17:44:48,280 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-25 17:44:48,284 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a8858a7-ee00-439e-900b-3e97f3730645/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-25 17:44:48,284 INFO L210 LassoAnalysis]: Preferences: [2022-11-25 17:44:48,284 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-25 17:44:48,284 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-25 17:44:48,284 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-25 17:44:48,285 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-25 17:44:48,285 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 17:44:48,285 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-25 17:44:48,285 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-25 17:44:48,285 INFO L133 ssoRankerPreferences]: Filename of dumped script: Mysore-2.c_Iteration1_Loop [2022-11-25 17:44:48,285 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-25 17:44:48,285 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-25 17:44:48,288 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 17:44:48,301 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 17:44:48,306 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 17:44:48,376 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-25 17:44:48,381 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-25 17:44:48,382 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 17:44:48,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a8858a7-ee00-439e-900b-3e97f3730645/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:44:48,384 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a8858a7-ee00-439e-900b-3e97f3730645/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 17:44:48,388 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 17:44:48,401 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 17:44:48,401 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 17:44:48,401 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 17:44:48,402 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 17:44:48,413 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 17:44:48,414 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 17:44:48,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a8858a7-ee00-439e-900b-3e97f3730645/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-25 17:44:48,439 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 17:44:48,444 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a8858a7-ee00-439e-900b-3e97f3730645/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-25 17:44:48,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 17:44:48,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a8858a7-ee00-439e-900b-3e97f3730645/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:44:48,452 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a8858a7-ee00-439e-900b-3e97f3730645/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 17:44:48,461 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 17:44:48,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a8858a7-ee00-439e-900b-3e97f3730645/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-25 17:44:48,476 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 17:44:48,476 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 17:44:48,476 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 17:44:48,476 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 17:44:48,484 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 17:44:48,484 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 17:44:48,515 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 17:44:48,519 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a8858a7-ee00-439e-900b-3e97f3730645/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-25 17:44:48,519 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 17:44:48,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a8858a7-ee00-439e-900b-3e97f3730645/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:44:48,524 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a8858a7-ee00-439e-900b-3e97f3730645/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 17:44:48,532 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 17:44:48,545 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 17:44:48,546 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 17:44:48,546 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 17:44:48,546 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 17:44:48,546 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 17:44:48,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a8858a7-ee00-439e-900b-3e97f3730645/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-25 17:44:48,549 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 17:44:48,549 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 17:44:48,560 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 17:44:48,566 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a8858a7-ee00-439e-900b-3e97f3730645/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-25 17:44:48,566 INFO L490 LassoAnalysis]: Using template '2-nested'. [2022-11-25 17:44:48,566 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 17:44:48,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a8858a7-ee00-439e-900b-3e97f3730645/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:44:48,572 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a8858a7-ee00-439e-900b-3e97f3730645/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 17:44:48,580 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 17:44:48,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a8858a7-ee00-439e-900b-3e97f3730645/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-25 17:44:48,591 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 17:44:48,591 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 17:44:48,592 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 17:44:48,592 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-25 17:44:48,596 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2022-11-25 17:44:48,596 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2022-11-25 17:44:48,611 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 17:44:48,615 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a8858a7-ee00-439e-900b-3e97f3730645/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-25 17:44:48,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 17:44:48,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a8858a7-ee00-439e-900b-3e97f3730645/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:44:48,621 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a8858a7-ee00-439e-900b-3e97f3730645/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 17:44:48,631 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 17:44:48,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a8858a7-ee00-439e-900b-3e97f3730645/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-25 17:44:48,644 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 17:44:48,645 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 17:44:48,645 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 17:44:48,645 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-25 17:44:48,656 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2022-11-25 17:44:48,656 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2022-11-25 17:44:48,679 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 17:44:48,687 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a8858a7-ee00-439e-900b-3e97f3730645/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-25 17:44:48,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 17:44:48,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a8858a7-ee00-439e-900b-3e97f3730645/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:44:48,689 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a8858a7-ee00-439e-900b-3e97f3730645/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 17:44:48,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a8858a7-ee00-439e-900b-3e97f3730645/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-25 17:44:48,697 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 17:44:48,710 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 17:44:48,710 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 17:44:48,710 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 17:44:48,711 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 17:44:48,711 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-25 17:44:48,713 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-25 17:44:48,713 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 17:44:48,724 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-25 17:44:48,731 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-11-25 17:44:48,731 INFO L444 ModelExtractionUtils]: 1 out of 7 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-11-25 17:44:48,733 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 17:44:48,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a8858a7-ee00-439e-900b-3e97f3730645/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:44:48,762 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a8858a7-ee00-439e-900b-3e97f3730645/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 17:44:48,772 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-25 17:44:48,773 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-25 17:44:48,773 INFO L513 LassoAnalysis]: Proved termination. [2022-11-25 17:44:48,773 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function 2-nested ranking function: f0 = -2*ULTIMATE.start_main_~c~0#1 + 3 f1 = 2*ULTIMATE.start_main_~x~0#1 + 2*ULTIMATE.start_main_~c~0#1 + 1 Supporting invariants [] [2022-11-25 17:44:48,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a8858a7-ee00-439e-900b-3e97f3730645/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-25 17:44:48,779 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a8858a7-ee00-439e-900b-3e97f3730645/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-25 17:44:48,786 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-25 17:44:48,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:44:48,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:44:48,856 INFO L263 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 17:44:48,859 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:44:48,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:44:48,888 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-25 17:44:48,889 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:44:48,889 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 17:44:48,920 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 17:44:48,922 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 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 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 17:44:48,960 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 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 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 23 states and 28 transitions. Complement of second has 5 states. [2022-11-25 17:44:48,963 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 17:44:48,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 17:44:48,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 20 transitions. [2022-11-25 17:44:48,973 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 5 letters. Loop has 1 letters. [2022-11-25 17:44:48,975 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 17:44:48,975 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 6 letters. Loop has 1 letters. [2022-11-25 17:44:48,976 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 17:44:48,976 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 5 letters. Loop has 2 letters. [2022-11-25 17:44:48,982 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 17:44:48,983 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 28 transitions. [2022-11-25 17:44:48,992 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-25 17:44:48,994 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 0 states and 0 transitions. [2022-11-25 17:44:48,996 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-25 17:44:48,996 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-25 17:44:48,996 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-25 17:44:48,997 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 17:44:48,997 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 17:44:49,006 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 17:44:49,006 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 17:44:49,006 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-25 17:44:49,007 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-25 17:44:49,007 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-25 17:44:49,007 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-25 17:44:49,016 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 25.11 05:44:49 BoogieIcfgContainer [2022-11-25 17:44:49,016 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-25 17:44:49,020 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 17:44:49,020 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 17:44:49,021 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 17:44:49,021 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:44:47" (3/4) ... [2022-11-25 17:44:49,025 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-25 17:44:49,025 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 17:44:49,027 INFO L158 Benchmark]: Toolchain (without parser) took 2306.28ms. Allocated memory was 138.4MB in the beginning and 205.5MB in the end (delta: 67.1MB). Free memory was 77.4MB in the beginning and 136.5MB in the end (delta: -59.1MB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB. [2022-11-25 17:44:49,033 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 138.4MB. Free memory is still 111.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:44:49,033 INFO L158 Benchmark]: CACSL2BoogieTranslator took 256.33ms. Allocated memory was 138.4MB in the beginning and 205.5MB in the end (delta: 67.1MB). Free memory was 77.2MB in the beginning and 176.0MB in the end (delta: -98.8MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2022-11-25 17:44:49,035 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.92ms. Allocated memory is still 205.5MB. Free memory was 176.0MB in the beginning and 174.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:44:49,035 INFO L158 Benchmark]: Boogie Preprocessor took 29.75ms. Allocated memory is still 205.5MB. Free memory was 174.6MB in the beginning and 176.8MB in the end (delta: -2.2MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. [2022-11-25 17:44:49,036 INFO L158 Benchmark]: RCFGBuilder took 307.75ms. Allocated memory is still 205.5MB. Free memory was 176.8MB in the beginning and 167.4MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-25 17:44:49,036 INFO L158 Benchmark]: BuchiAutomizer took 1663.17ms. Allocated memory is still 205.5MB. Free memory was 167.4MB in the beginning and 137.5MB in the end (delta: 29.8MB). Peak memory consumption was 28.8MB. Max. memory is 16.1GB. [2022-11-25 17:44:49,040 INFO L158 Benchmark]: Witness Printer took 5.19ms. Allocated memory is still 205.5MB. Free memory is still 136.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:44:49,049 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 138.4MB. Free memory is still 111.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 256.33ms. Allocated memory was 138.4MB in the beginning and 205.5MB in the end (delta: 67.1MB). Free memory was 77.2MB in the beginning and 176.0MB in the end (delta: -98.8MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.92ms. Allocated memory is still 205.5MB. Free memory was 176.0MB in the beginning and 174.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 29.75ms. Allocated memory is still 205.5MB. Free memory was 174.6MB in the beginning and 176.8MB in the end (delta: -2.2MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. * RCFGBuilder took 307.75ms. Allocated memory is still 205.5MB. Free memory was 176.8MB in the beginning and 167.4MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1663.17ms. Allocated memory is still 205.5MB. Free memory was 167.4MB in the beginning and 137.5MB in the end (delta: 29.8MB). Peak memory consumption was 28.8MB. Max. memory is 16.1GB. * Witness Printer took 5.19ms. Allocated memory is still 205.5MB. Free memory is still 136.5MB. 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 2-nested ranking function (if -2 * c + 3 > 0 then 1 else 0), (if -2 * c + 3 > 0 then -2 * c + 3 else 2 * x + 2 * c + 1) and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.5s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.2s. 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, 15 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 14 mSDsluCounter, 17 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, 14 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital17 mio100 ax170 hnf100 lsp58 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq170 hnf93 smp100 dnf100 smp100 tf107 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 44ms 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 17:44:49,069 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a8858a7-ee00-439e-900b-3e97f3730645/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-25 17:44:49,269 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a8858a7-ee00-439e-900b-3e97f3730645/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