./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-restricted-15/PastaB6.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6b4ec56b 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_855d0d7a-ff4a-475c-9335-b3fe33e26d41/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855d0d7a-ff4a-475c-9335-b3fe33e26d41/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855d0d7a-ff4a-475c-9335-b3fe33e26d41/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855d0d7a-ff4a-475c-9335-b3fe33e26d41/bin/uautomizer-ug76WZFUDN/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-restricted-15/PastaB6.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855d0d7a-ff4a-475c-9335-b3fe33e26d41/bin/uautomizer-ug76WZFUDN/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855d0d7a-ff4a-475c-9335-b3fe33e26d41/bin/uautomizer-ug76WZFUDN --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash ee797c02be6a4a0905b6898d74d5164ec9cda095bfa9c674f85683d83d040aaa --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 10:45:34,930 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 10:45:34,933 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 10:45:34,966 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 10:45:34,966 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 10:45:34,967 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 10:45:34,968 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 10:45:34,970 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 10:45:34,972 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 10:45:34,973 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 10:45:34,974 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 10:45:34,975 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 10:45:34,976 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 10:45:34,977 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 10:45:34,979 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 10:45:34,980 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 10:45:34,981 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 10:45:34,982 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 10:45:34,984 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 10:45:34,985 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 10:45:34,987 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 10:45:34,988 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 10:45:34,989 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 10:45:34,990 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 10:45:34,994 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 10:45:34,994 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 10:45:34,994 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 10:45:34,995 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 10:45:34,996 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 10:45:34,997 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 10:45:34,997 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 10:45:34,998 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 10:45:34,999 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 10:45:34,999 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 10:45:35,000 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 10:45:35,001 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 10:45:35,002 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 10:45:35,002 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 10:45:35,002 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 10:45:35,003 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 10:45:35,004 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 10:45:35,005 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855d0d7a-ff4a-475c-9335-b3fe33e26d41/bin/uautomizer-ug76WZFUDN/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-20 10:45:35,029 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 10:45:35,030 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 10:45:35,030 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 10:45:35,031 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 10:45:35,032 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 10:45:35,032 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 10:45:35,032 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 10:45:35,032 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-20 10:45:35,033 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-20 10:45:35,033 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-20 10:45:35,033 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-20 10:45:35,034 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-20 10:45:35,034 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-20 10:45:35,034 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 10:45:35,034 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 10:45:35,035 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 10:45:35,035 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 10:45:35,035 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-20 10:45:35,035 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-20 10:45:35,036 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-20 10:45:35,036 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 10:45:35,036 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-20 10:45:35,036 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 10:45:35,037 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-20 10:45:35,037 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 10:45:35,037 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 10:45:35,038 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 10:45:35,038 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 10:45:35,039 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-20 10:45:35,039 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_855d0d7a-ff4a-475c-9335-b3fe33e26d41/bin/uautomizer-ug76WZFUDN/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855d0d7a-ff4a-475c-9335-b3fe33e26d41/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ee797c02be6a4a0905b6898d74d5164ec9cda095bfa9c674f85683d83d040aaa [2022-11-20 10:45:35,299 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 10:45:35,320 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 10:45:35,323 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 10:45:35,324 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 10:45:35,325 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 10:45:35,326 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855d0d7a-ff4a-475c-9335-b3fe33e26d41/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/termination-restricted-15/PastaB6.c [2022-11-20 10:45:38,327 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 10:45:38,552 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 10:45:38,553 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855d0d7a-ff4a-475c-9335-b3fe33e26d41/sv-benchmarks/c/termination-restricted-15/PastaB6.c [2022-11-20 10:45:38,559 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855d0d7a-ff4a-475c-9335-b3fe33e26d41/bin/uautomizer-ug76WZFUDN/data/4a25d8f56/c4a80d8db9144a7db6f2914630ae89b8/FLAG4914c3e19 [2022-11-20 10:45:38,578 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855d0d7a-ff4a-475c-9335-b3fe33e26d41/bin/uautomizer-ug76WZFUDN/data/4a25d8f56/c4a80d8db9144a7db6f2914630ae89b8 [2022-11-20 10:45:38,583 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 10:45:38,585 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 10:45:38,595 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 10:45:38,596 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 10:45:38,599 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 10:45:38,600 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:45:38" (1/1) ... [2022-11-20 10:45:38,601 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@364db2a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:45:38, skipping insertion in model container [2022-11-20 10:45:38,601 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:45:38" (1/1) ... [2022-11-20 10:45:38,608 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 10:45:38,628 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 10:45:38,818 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:45:38,824 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 10:45:38,836 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:45:38,847 INFO L208 MainTranslator]: Completed translation [2022-11-20 10:45:38,848 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:45:38 WrapperNode [2022-11-20 10:45:38,848 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 10:45:38,849 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 10:45:38,850 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 10:45:38,850 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 10:45:38,857 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:45:38" (1/1) ... [2022-11-20 10:45:38,862 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:45:38" (1/1) ... [2022-11-20 10:45:38,878 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 16 [2022-11-20 10:45:38,879 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 10:45:38,880 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 10:45:38,880 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 10:45:38,880 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 10:45:38,889 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:45:38" (1/1) ... [2022-11-20 10:45:38,890 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:45:38" (1/1) ... [2022-11-20 10:45:38,890 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:45:38" (1/1) ... [2022-11-20 10:45:38,890 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:45:38" (1/1) ... [2022-11-20 10:45:38,892 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:45:38" (1/1) ... [2022-11-20 10:45:38,896 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:45:38" (1/1) ... [2022-11-20 10:45:38,897 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:45:38" (1/1) ... [2022-11-20 10:45:38,897 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:45:38" (1/1) ... [2022-11-20 10:45:38,898 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 10:45:38,899 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 10:45:38,899 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 10:45:38,900 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 10:45:38,901 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:45:38" (1/1) ... [2022-11-20 10:45:38,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:45:38,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855d0d7a-ff4a-475c-9335-b3fe33e26d41/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:45:38,929 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855d0d7a-ff4a-475c-9335-b3fe33e26d41/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:45:38,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855d0d7a-ff4a-475c-9335-b3fe33e26d41/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-20 10:45:38,965 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 10:45:38,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 10:45:39,038 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 10:45:39,040 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 10:45:39,097 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 10:45:39,106 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 10:45:39,106 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 10:45:39,108 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:45:39 BoogieIcfgContainer [2022-11-20 10:45:39,108 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 10:45:39,109 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-20 10:45:39,109 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-20 10:45:39,113 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-20 10:45:39,114 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 10:45:39,114 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 10:45:38" (1/3) ... [2022-11-20 10:45:39,115 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6bc19b52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 10:45:39, skipping insertion in model container [2022-11-20 10:45:39,115 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 10:45:39,115 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:45:38" (2/3) ... [2022-11-20 10:45:39,116 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6bc19b52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 10:45:39, skipping insertion in model container [2022-11-20 10:45:39,116 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 10:45:39,116 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:45:39" (3/3) ... [2022-11-20 10:45:39,117 INFO L332 chiAutomizerObserver]: Analyzing ICFG PastaB6.c [2022-11-20 10:45:39,174 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-20 10:45:39,175 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-20 10:45:39,175 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-20 10:45:39,175 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-20 10:45:39,175 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-20 10:45:39,175 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-20 10:45:39,175 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-20 10:45:39,176 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-20 10:45:39,180 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) [2022-11-20 10:45:39,198 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-11-20 10:45:39,198 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 10:45:39,198 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 10:45:39,202 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-20 10:45:39,202 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-11-20 10:45:39,203 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-20 10:45:39,203 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) [2022-11-20 10:45:39,203 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-11-20 10:45:39,203 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 10:45:39,204 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 10:45:39,204 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-20 10:45:39,204 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-11-20 10:45:39,210 INFO L748 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 5#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~x~0#1, main_~y~0#1;havoc main_~x~0#1;havoc main_~y~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 7#L11-2true [2022-11-20 10:45:39,210 INFO L750 eck$LassoCheckResult]: Loop: 7#L11-2true assume !!(main_~x~0#1 > 0 && main_~y~0#1 > 0);main_~x~0#1 := main_~x~0#1 - 1;main_~y~0#1 := main_~y~0#1 - 1; 7#L11-2true [2022-11-20 10:45:39,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:45:39,215 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-11-20 10:45:39,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:45:39,224 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531411503] [2022-11-20 10:45:39,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:45:39,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:45:39,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:45:39,302 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 10:45:39,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:45:39,321 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 10:45:39,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:45:39,324 INFO L85 PathProgramCache]: Analyzing trace with hash 42, now seen corresponding path program 1 times [2022-11-20 10:45:39,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:45:39,325 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744047159] [2022-11-20 10:45:39,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:45:39,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:45:39,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:45:39,335 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 10:45:39,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:45:39,341 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 10:45:39,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:45:39,343 INFO L85 PathProgramCache]: Analyzing trace with hash 29864, now seen corresponding path program 1 times [2022-11-20 10:45:39,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:45:39,343 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598662837] [2022-11-20 10:45:39,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:45:39,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:45:39,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:45:39,350 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 10:45:39,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:45:39,356 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 10:45:39,446 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 10:45:39,447 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 10:45:39,447 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 10:45:39,447 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 10:45:39,447 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-20 10:45:39,447 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:45:39,447 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 10:45:39,448 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 10:45:39,448 INFO L133 ssoRankerPreferences]: Filename of dumped script: PastaB6.c_Iteration1_Loop [2022-11-20 10:45:39,448 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 10:45:39,448 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 10:45:39,467 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:45:39,480 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:45:39,484 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:45:39,510 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:45:39,628 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 10:45:39,628 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-20 10:45:39,631 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:45:39,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855d0d7a-ff4a-475c-9335-b3fe33e26d41/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:45:39,646 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855d0d7a-ff4a-475c-9335-b3fe33e26d41/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:45:39,653 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 10:45:39,653 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 10:45:39,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855d0d7a-ff4a-475c-9335-b3fe33e26d41/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-20 10:45:39,696 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 10:45:39,696 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 10:45:39,706 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855d0d7a-ff4a-475c-9335-b3fe33e26d41/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-20 10:45:39,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:45:39,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855d0d7a-ff4a-475c-9335-b3fe33e26d41/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:45:39,709 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855d0d7a-ff4a-475c-9335-b3fe33e26d41/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:45:39,717 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 10:45:39,718 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 10:45:39,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855d0d7a-ff4a-475c-9335-b3fe33e26d41/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-20 10:45:39,743 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 10:45:39,743 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 10:45:39,752 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855d0d7a-ff4a-475c-9335-b3fe33e26d41/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-20 10:45:39,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:45:39,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855d0d7a-ff4a-475c-9335-b3fe33e26d41/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:45:39,754 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855d0d7a-ff4a-475c-9335-b3fe33e26d41/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:45:39,763 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 10:45:39,763 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 10:45:39,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855d0d7a-ff4a-475c-9335-b3fe33e26d41/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-20 10:45:39,796 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855d0d7a-ff4a-475c-9335-b3fe33e26d41/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-20 10:45:39,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:45:39,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855d0d7a-ff4a-475c-9335-b3fe33e26d41/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:45:39,798 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855d0d7a-ff4a-475c-9335-b3fe33e26d41/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:45:39,807 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-20 10:45:39,807 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 10:45:39,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855d0d7a-ff4a-475c-9335-b3fe33e26d41/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-20 10:45:39,845 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-20 10:45:39,849 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855d0d7a-ff4a-475c-9335-b3fe33e26d41/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-20 10:45:39,849 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 10:45:39,849 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 10:45:39,849 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 10:45:39,849 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 10:45:39,850 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 10:45:39,850 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:45:39,850 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 10:45:39,850 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 10:45:39,850 INFO L133 ssoRankerPreferences]: Filename of dumped script: PastaB6.c_Iteration1_Loop [2022-11-20 10:45:39,850 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 10:45:39,850 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 10:45:39,853 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:45:39,863 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:45:39,871 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:45:39,886 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:45:39,973 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 10:45:39,978 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 10:45:39,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:45:39,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855d0d7a-ff4a-475c-9335-b3fe33e26d41/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:45:39,985 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855d0d7a-ff4a-475c-9335-b3fe33e26d41/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:45:39,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855d0d7a-ff4a-475c-9335-b3fe33e26d41/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-20 10:45:39,993 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 10:45:40,004 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 10:45:40,004 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:45:40,004 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:45:40,004 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 10:45:40,010 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 10:45:40,011 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 10:45:40,025 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:45:40,030 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855d0d7a-ff4a-475c-9335-b3fe33e26d41/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2022-11-20 10:45:40,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:45:40,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855d0d7a-ff4a-475c-9335-b3fe33e26d41/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:45:40,039 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855d0d7a-ff4a-475c-9335-b3fe33e26d41/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:45:40,048 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 10:45:40,060 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 10:45:40,061 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:45:40,061 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:45:40,061 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 10:45:40,070 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 10:45:40,070 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 10:45:40,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855d0d7a-ff4a-475c-9335-b3fe33e26d41/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-20 10:45:40,102 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:45:40,111 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855d0d7a-ff4a-475c-9335-b3fe33e26d41/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-20 10:45:40,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:45:40,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855d0d7a-ff4a-475c-9335-b3fe33e26d41/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:45:40,114 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855d0d7a-ff4a-475c-9335-b3fe33e26d41/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:45:40,124 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 10:45:40,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855d0d7a-ff4a-475c-9335-b3fe33e26d41/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-20 10:45:40,138 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 10:45:40,138 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 10:45:40,139 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:45:40,139 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:45:40,139 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 10:45:40,141 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 10:45:40,141 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 10:45:40,153 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 10:45:40,158 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-11-20 10:45:40,158 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-11-20 10:45:40,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:45:40,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855d0d7a-ff4a-475c-9335-b3fe33e26d41/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:45:40,201 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855d0d7a-ff4a-475c-9335-b3fe33e26d41/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:45:40,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855d0d7a-ff4a-475c-9335-b3fe33e26d41/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-20 10:45:40,205 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 10:45:40,205 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-20 10:45:40,205 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 10:45:40,206 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1) = 1*ULTIMATE.start_main_~x~0#1 Supporting invariants [] [2022-11-20 10:45:40,214 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855d0d7a-ff4a-475c-9335-b3fe33e26d41/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-20 10:45:40,217 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-20 10:45:40,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:45:40,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:45:40,258 WARN L261 TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 10:45:40,260 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:45:40,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:45:40,278 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 10:45:40,281 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:45:40,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:45:40,323 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 [2022-11-20 10:45:40,324 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) [2022-11-20 10:45:40,357 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. [2022-11-20 10:45:40,366 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 [2022-11-20 10:45:40,370 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) [2022-11-20 10:45:40,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 11 transitions. [2022-11-20 10:45:40,375 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 2 letters. Loop has 1 letters. [2022-11-20 10:45:40,375 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 10:45:40,375 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 3 letters. Loop has 1 letters. [2022-11-20 10:45:40,376 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 10:45:40,376 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 2 letters. Loop has 2 letters. [2022-11-20 10:45:40,376 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 10:45:40,377 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 19 transitions. [2022-11-20 10:45:40,380 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-20 10:45:40,382 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 0 states and 0 transitions. [2022-11-20 10:45:40,383 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-20 10:45:40,383 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-20 10:45:40,383 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-20 10:45:40,384 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:45:40,384 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 10:45:40,384 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 10:45:40,384 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 10:45:40,384 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-20 10:45:40,384 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-20 10:45:40,385 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-20 10:45:40,385 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-20 10:45:40,390 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 10:45:40 BoogieIcfgContainer [2022-11-20 10:45:40,390 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-20 10:45:40,391 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 10:45:40,391 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 10:45:40,391 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 10:45:40,392 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:45:39" (3/4) ... [2022-11-20 10:45:40,394 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-20 10:45:40,394 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 10:45:40,395 INFO L158 Benchmark]: Toolchain (without parser) took 1809.83ms. Allocated memory is still 169.9MB. Free memory was 137.5MB in the beginning and 79.0MB in the end (delta: 58.5MB). Peak memory consumption was 54.4MB. Max. memory is 16.1GB. [2022-11-20 10:45:40,395 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 130.0MB. Free memory is still 97.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 10:45:40,396 INFO L158 Benchmark]: CACSL2BoogieTranslator took 253.29ms. Allocated memory is still 169.9MB. Free memory was 136.4MB in the beginning and 138.6MB in the end (delta: -2.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-20 10:45:40,397 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.74ms. Allocated memory is still 169.9MB. Free memory was 138.6MB in the beginning and 137.7MB in the end (delta: 937.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 10:45:40,397 INFO L158 Benchmark]: Boogie Preprocessor took 18.92ms. Allocated memory is still 169.9MB. Free memory was 137.7MB in the beginning and 136.6MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 10:45:40,398 INFO L158 Benchmark]: RCFGBuilder took 209.09ms. Allocated memory is still 169.9MB. Free memory was 136.6MB in the beginning and 128.2MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-20 10:45:40,398 INFO L158 Benchmark]: BuchiAutomizer took 1281.07ms. Allocated memory is still 169.9MB. Free memory was 128.2MB in the beginning and 80.0MB in the end (delta: 48.3MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2022-11-20 10:45:40,399 INFO L158 Benchmark]: Witness Printer took 3.56ms. Allocated memory is still 169.9MB. Free memory was 80.0MB in the beginning and 79.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 10:45:40,402 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 130.0MB. Free memory is still 97.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 253.29ms. Allocated memory is still 169.9MB. Free memory was 136.4MB in the beginning and 138.6MB in the end (delta: -2.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.74ms. Allocated memory is still 169.9MB. Free memory was 138.6MB in the beginning and 137.7MB in the end (delta: 937.4kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 18.92ms. Allocated memory is still 169.9MB. Free memory was 137.7MB in the beginning and 136.6MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 209.09ms. Allocated memory is still 169.9MB. Free memory was 136.6MB in the beginning and 128.2MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1281.07ms. Allocated memory is still 169.9MB. Free memory was 128.2MB in the beginning and 80.0MB in the end (delta: 48.3MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. * Witness Printer took 3.56ms. Allocated memory is still 169.9MB. Free memory was 80.0MB in the beginning and 79.0MB in the end (delta: 1.0MB). 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 and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.0s. 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: inital18 mio100 ax166 hnf100 lsp33 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 46ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-11-20 10:45:40,425 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855d0d7a-ff4a-475c-9335-b3fe33e26d41/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-20 10:45:40,624 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855d0d7a-ff4a-475c-9335-b3fe33e26d41/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE