./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-restricted-15/PastaC7.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 38b53e6a 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_f69c415d-f81e-4ab6-9b85-c436d9178d84/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f69c415d-f81e-4ab6-9b85-c436d9178d84/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_f69c415d-f81e-4ab6-9b85-c436d9178d84/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f69c415d-f81e-4ab6-9b85-c436d9178d84/bin/uautomizer-ZsLfNo2U6R/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-restricted-15/PastaC7.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f69c415d-f81e-4ab6-9b85-c436d9178d84/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_f69c415d-f81e-4ab6-9b85-c436d9178d84/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 95843418c183b3230e10891e454500bf057d0efd9a107bb446b5d49809d39de3 --- 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 15:33:12,829 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 15:33:12,831 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 15:33:12,874 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 15:33:12,879 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 15:33:12,881 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 15:33:12,883 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 15:33:12,888 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 15:33:12,890 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 15:33:12,892 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 15:33:12,893 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 15:33:12,895 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 15:33:12,897 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 15:33:12,900 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 15:33:12,902 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 15:33:12,903 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 15:33:12,906 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 15:33:12,913 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 15:33:12,915 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 15:33:12,916 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 15:33:12,920 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 15:33:12,924 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 15:33:12,925 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 15:33:12,926 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 15:33:12,930 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 15:33:12,932 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 15:33:12,933 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 15:33:12,933 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 15:33:12,935 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 15:33:12,936 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 15:33:12,937 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 15:33:12,938 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 15:33:12,940 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 15:33:12,941 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 15:33:12,942 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 15:33:12,943 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 15:33:12,943 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 15:33:12,943 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 15:33:12,944 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 15:33:12,946 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 15:33:12,946 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 15:33:12,947 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f69c415d-f81e-4ab6-9b85-c436d9178d84/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-25 15:33:12,974 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 15:33:12,975 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 15:33:12,975 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 15:33:12,975 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 15:33:12,980 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 15:33:12,980 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 15:33:12,981 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 15:33:12,981 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-25 15:33:12,981 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-25 15:33:12,981 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-25 15:33:12,982 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-25 15:33:12,983 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-25 15:33:12,983 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-25 15:33:12,983 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 15:33:12,983 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 15:33:12,983 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 15:33:12,984 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 15:33:12,984 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-25 15:33:12,984 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-25 15:33:12,984 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-25 15:33:12,984 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 15:33:12,985 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-25 15:33:12,985 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 15:33:12,985 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-25 15:33:12,985 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 15:33:12,986 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 15:33:12,986 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 15:33:12,986 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 15:33:12,988 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-25 15:33:12,988 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_f69c415d-f81e-4ab6-9b85-c436d9178d84/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f69c415d-f81e-4ab6-9b85-c436d9178d84/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 95843418c183b3230e10891e454500bf057d0efd9a107bb446b5d49809d39de3 [2022-11-25 15:33:13,322 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 15:33:13,352 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 15:33:13,355 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 15:33:13,356 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 15:33:13,359 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 15:33:13,360 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f69c415d-f81e-4ab6-9b85-c436d9178d84/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/termination-restricted-15/PastaC7.c [2022-11-25 15:33:16,493 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 15:33:16,720 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 15:33:16,723 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f69c415d-f81e-4ab6-9b85-c436d9178d84/sv-benchmarks/c/termination-restricted-15/PastaC7.c [2022-11-25 15:33:16,728 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f69c415d-f81e-4ab6-9b85-c436d9178d84/bin/uautomizer-ZsLfNo2U6R/data/76b17ec3e/4ccdd3dcd53d46a6b8b7abc218b81352/FLAG6da9df043 [2022-11-25 15:33:16,746 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f69c415d-f81e-4ab6-9b85-c436d9178d84/bin/uautomizer-ZsLfNo2U6R/data/76b17ec3e/4ccdd3dcd53d46a6b8b7abc218b81352 [2022-11-25 15:33:16,751 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 15:33:16,753 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 15:33:16,756 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 15:33:16,756 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 15:33:16,760 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 15:33:16,761 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:33:16" (1/1) ... [2022-11-25 15:33:16,762 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b2b6021 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:16, skipping insertion in model container [2022-11-25 15:33:16,762 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:33:16" (1/1) ... [2022-11-25 15:33:16,769 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 15:33:16,783 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 15:33:17,018 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 15:33:17,024 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 15:33:17,040 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 15:33:17,053 INFO L208 MainTranslator]: Completed translation [2022-11-25 15:33:17,054 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:17 WrapperNode [2022-11-25 15:33:17,054 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 15:33:17,056 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 15:33:17,056 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 15:33:17,056 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 15:33:17,064 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:17" (1/1) ... [2022-11-25 15:33:17,070 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:17" (1/1) ... [2022-11-25 15:33:17,089 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 21 [2022-11-25 15:33:17,090 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 15:33:17,093 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 15:33:17,093 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 15:33:17,093 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 15:33:17,103 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:17" (1/1) ... [2022-11-25 15:33:17,103 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:17" (1/1) ... [2022-11-25 15:33:17,104 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:17" (1/1) ... [2022-11-25 15:33:17,104 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:17" (1/1) ... [2022-11-25 15:33:17,107 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:17" (1/1) ... [2022-11-25 15:33:17,110 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:17" (1/1) ... [2022-11-25 15:33:17,111 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:17" (1/1) ... [2022-11-25 15:33:17,112 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:17" (1/1) ... [2022-11-25 15:33:17,113 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 15:33:17,114 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 15:33:17,115 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 15:33:17,115 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 15:33:17,116 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:17" (1/1) ... [2022-11-25 15:33:17,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:33:17,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f69c415d-f81e-4ab6-9b85-c436d9178d84/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:33:17,146 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f69c415d-f81e-4ab6-9b85-c436d9178d84/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:33:17,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f69c415d-f81e-4ab6-9b85-c436d9178d84/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-25 15:33:17,196 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 15:33:17,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 15:33:17,274 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 15:33:17,276 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 15:33:17,368 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 15:33:17,375 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 15:33:17,375 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-25 15:33:17,377 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:33:17 BoogieIcfgContainer [2022-11-25 15:33:17,377 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 15:33:17,379 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-25 15:33:17,379 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-25 15:33:17,383 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-25 15:33:17,384 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 15:33:17,384 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 25.11 03:33:16" (1/3) ... [2022-11-25 15:33:17,385 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7f585a64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 03:33:17, skipping insertion in model container [2022-11-25 15:33:17,385 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 15:33:17,386 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:17" (2/3) ... [2022-11-25 15:33:17,388 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7f585a64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 03:33:17, skipping insertion in model container [2022-11-25 15:33:17,388 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 15:33:17,388 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:33:17" (3/3) ... [2022-11-25 15:33:17,389 INFO L332 chiAutomizerObserver]: Analyzing ICFG PastaC7.c [2022-11-25 15:33:17,465 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-25 15:33:17,465 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-25 15:33:17,466 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-25 15:33:17,466 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-25 15:33:17,466 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-25 15:33:17,466 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-25 15:33:17,466 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-25 15:33:17,466 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-25 15:33:17,471 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) [2022-11-25 15:33:17,489 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-11-25 15:33:17,489 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 15:33:17,489 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 15:33:17,495 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-25 15:33:17,495 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-11-25 15:33:17,496 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-25 15:33:17,496 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) [2022-11-25 15:33:17,497 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-11-25 15:33:17,497 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 15:33:17,497 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 15:33:17,498 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-25 15:33:17,498 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-11-25 15:33:17,507 INFO L748 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 4#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_#t~nondet2#1, main_~i~0#1, main_~j~0#1, main_~k~0#1, main_~t~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;havoc main_~t~0#1;main_~i~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~j~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~k~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 6#L14-2true [2022-11-25 15:33:17,509 INFO L750 eck$LassoCheckResult]: Loop: 6#L14-2true assume !!(main_~i~0#1 <= 100 && main_~j~0#1 < main_~k~0#1);main_~i~0#1 := main_~j~0#1;main_~j~0#1 := 1 + main_~i~0#1;main_~k~0#1 := main_~k~0#1 - 1; 6#L14-2true [2022-11-25 15:33:17,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:33:17,517 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-11-25 15:33:17,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:33:17,528 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561108803] [2022-11-25 15:33:17,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:33:17,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:33:17,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:33:17,627 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 15:33:17,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:33:17,664 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 15:33:17,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:33:17,667 INFO L85 PathProgramCache]: Analyzing trace with hash 42, now seen corresponding path program 1 times [2022-11-25 15:33:17,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:33:17,668 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122741877] [2022-11-25 15:33:17,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:33:17,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:33:17,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:33:17,681 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 15:33:17,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:33:17,688 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 15:33:17,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:33:17,690 INFO L85 PathProgramCache]: Analyzing trace with hash 29864, now seen corresponding path program 1 times [2022-11-25 15:33:17,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:33:17,691 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751155134] [2022-11-25 15:33:17,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:33:17,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:33:17,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:33:17,699 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 15:33:17,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:33:17,706 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 15:33:17,803 INFO L210 LassoAnalysis]: Preferences: [2022-11-25 15:33:17,804 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-25 15:33:17,804 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-25 15:33:17,804 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-25 15:33:17,804 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-25 15:33:17,804 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:33:17,805 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-25 15:33:17,805 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-25 15:33:17,805 INFO L133 ssoRankerPreferences]: Filename of dumped script: PastaC7.c_Iteration1_Loop [2022-11-25 15:33:17,805 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-25 15:33:17,805 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-25 15:33:17,827 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 15:33:17,854 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 15:33:17,860 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 15:33:17,972 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-25 15:33:17,972 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-25 15:33:17,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:33:17,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f69c415d-f81e-4ab6-9b85-c436d9178d84/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:33:17,979 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f69c415d-f81e-4ab6-9b85-c436d9178d84/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:33:17,992 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-25 15:33:17,992 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-25 15:33:18,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f69c415d-f81e-4ab6-9b85-c436d9178d84/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-25 15:33:18,027 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f69c415d-f81e-4ab6-9b85-c436d9178d84/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-25 15:33:18,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:33:18,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f69c415d-f81e-4ab6-9b85-c436d9178d84/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:33:18,029 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f69c415d-f81e-4ab6-9b85-c436d9178d84/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:33:18,038 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-25 15:33:18,039 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-25 15:33:18,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f69c415d-f81e-4ab6-9b85-c436d9178d84/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-25 15:33:30,096 INFO L442 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2022-11-25 15:33:30,107 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f69c415d-f81e-4ab6-9b85-c436d9178d84/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-25 15:33:30,108 INFO L210 LassoAnalysis]: Preferences: [2022-11-25 15:33:30,108 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-25 15:33:30,108 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-25 15:33:30,108 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-25 15:33:30,108 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-25 15:33:30,108 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:33:30,108 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-25 15:33:30,109 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-25 15:33:30,109 INFO L133 ssoRankerPreferences]: Filename of dumped script: PastaC7.c_Iteration1_Loop [2022-11-25 15:33:30,109 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-25 15:33:30,109 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-25 15:33:30,111 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 15:33:30,144 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 15:33:30,149 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 15:33:30,228 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-25 15:33:30,233 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-25 15:33:30,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:33:30,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f69c415d-f81e-4ab6-9b85-c436d9178d84/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:33:30,236 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f69c415d-f81e-4ab6-9b85-c436d9178d84/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:33:30,244 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-25 15:33:30,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f69c415d-f81e-4ab6-9b85-c436d9178d84/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-25 15:33:30,258 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 15:33:30,259 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 15:33:30,259 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 15:33:30,259 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 15:33:30,260 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 15:33:30,264 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 15:33:30,264 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 15:33:30,277 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-25 15:33:30,286 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-11-25 15:33:30,286 INFO L444 ModelExtractionUtils]: 2 out of 5 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-11-25 15:33:30,288 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:33:30,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f69c415d-f81e-4ab6-9b85-c436d9178d84/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:33:30,326 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f69c415d-f81e-4ab6-9b85-c436d9178d84/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:33:30,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f69c415d-f81e-4ab6-9b85-c436d9178d84/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-25 15:33:30,328 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-25 15:33:30,329 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-25 15:33:30,329 INFO L513 LassoAnalysis]: Proved termination. [2022-11-25 15:33:30,330 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~j~0#1, ULTIMATE.start_main_~k~0#1) = -1*ULTIMATE.start_main_~j~0#1 + 1*ULTIMATE.start_main_~k~0#1 Supporting invariants [] [2022-11-25 15:33:30,339 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f69c415d-f81e-4ab6-9b85-c436d9178d84/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-25 15:33:30,342 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-25 15:33:30,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:33:30,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:33:30,402 WARN L261 TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 15:33:30,404 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:33:30,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:33:30,424 WARN L261 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-25 15:33:30,429 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:33:30,430 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 15:33:30,476 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 15:33:30,479 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) [2022-11-25 15:33:30,522 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. [2022-11-25 15:33:30,525 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 15:33:30,531 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) [2022-11-25 15:33:30,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 11 transitions. [2022-11-25 15:33:30,533 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 2 letters. Loop has 1 letters. [2022-11-25 15:33:30,534 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 15:33:30,534 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 3 letters. Loop has 1 letters. [2022-11-25 15:33:30,535 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 15:33:30,535 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 2 letters. Loop has 2 letters. [2022-11-25 15:33:30,535 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 15:33:30,536 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 19 transitions. [2022-11-25 15:33:30,545 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-25 15:33:30,547 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 0 states and 0 transitions. [2022-11-25 15:33:30,548 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-25 15:33:30,548 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-25 15:33:30,548 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-25 15:33:30,548 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 15:33:30,549 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 15:33:30,549 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 15:33:30,549 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 15:33:30,549 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-25 15:33:30,549 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-25 15:33:30,549 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-25 15:33:30,549 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-25 15:33:30,557 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 25.11 03:33:30 BoogieIcfgContainer [2022-11-25 15:33:30,557 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-25 15:33:30,557 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 15:33:30,557 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 15:33:30,558 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 15:33:30,558 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:33:17" (3/4) ... [2022-11-25 15:33:30,567 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-25 15:33:30,567 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 15:33:30,568 INFO L158 Benchmark]: Toolchain (without parser) took 13815.19ms. Allocated memory is still 148.9MB. Free memory was 105.9MB in the beginning and 64.1MB in the end (delta: 41.8MB). Peak memory consumption was 38.4MB. Max. memory is 16.1GB. [2022-11-25 15:33:30,569 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 107.0MB. Free memory is still 76.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 15:33:30,569 INFO L158 Benchmark]: CACSL2BoogieTranslator took 298.70ms. Allocated memory is still 148.9MB. Free memory was 105.3MB in the beginning and 117.2MB in the end (delta: -11.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-25 15:33:30,570 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.09ms. Allocated memory is still 148.9MB. Free memory was 117.2MB in the beginning and 115.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 15:33:30,570 INFO L158 Benchmark]: Boogie Preprocessor took 20.75ms. Allocated memory is still 148.9MB. Free memory was 115.8MB in the beginning and 115.1MB in the end (delta: 685.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 15:33:30,571 INFO L158 Benchmark]: RCFGBuilder took 262.81ms. Allocated memory is still 148.9MB. Free memory was 115.1MB in the beginning and 106.6MB in the end (delta: 8.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-25 15:33:30,576 INFO L158 Benchmark]: BuchiAutomizer took 13178.12ms. Allocated memory is still 148.9MB. Free memory was 106.6MB in the beginning and 64.8MB in the end (delta: 41.8MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2022-11-25 15:33:30,579 INFO L158 Benchmark]: Witness Printer took 10.06ms. Allocated memory is still 148.9MB. Free memory is still 64.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 15:33:30,589 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 107.0MB. Free memory is still 76.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 298.70ms. Allocated memory is still 148.9MB. Free memory was 105.3MB in the beginning and 117.2MB in the end (delta: -11.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.09ms. Allocated memory is still 148.9MB. Free memory was 117.2MB in the beginning and 115.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.75ms. Allocated memory is still 148.9MB. Free memory was 115.8MB in the beginning and 115.1MB in the end (delta: 685.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 262.81ms. Allocated memory is still 148.9MB. Free memory was 115.1MB in the beginning and 106.6MB in the end (delta: 8.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * BuchiAutomizer took 13178.12ms. Allocated memory is still 148.9MB. Free memory was 106.6MB in the beginning and 64.8MB in the end (delta: 41.8MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * Witness Printer took 10.06ms. Allocated memory is still 148.9MB. Free memory is still 64.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * j + k and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 13.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 12.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5 mSDsluCounter, 8 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 5 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital21 mio100 ax157 hnf100 lsp63 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq176 hnf91 smp100 dnf100 smp100 tf105 neg100 sie105 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 95ms VariablesStem: 0 VariablesLoop: 6 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 1 LassoNonterminationAnalysisTime: 12.1s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-11-25 15:33:30,607 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f69c415d-f81e-4ab6-9b85-c436d9178d84/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-25 15:33:30,805 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f69c415d-f81e-4ab6-9b85-c436d9178d84/bin/uautomizer-ZsLfNo2U6R/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