./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-bwb/not-04.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5e519f3a 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_c48a38e9-d136-48bf-b356-13b780d26985/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48a38e9-d136-48bf-b356-13b780d26985/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48a38e9-d136-48bf-b356-13b780d26985/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48a38e9-d136-48bf-b356-13b780d26985/bin/uautomizer-Dbtcem3rbc/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-bwb/not-04.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48a38e9-d136-48bf-b356-13b780d26985/bin/uautomizer-Dbtcem3rbc/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48a38e9-d136-48bf-b356-13b780d26985/bin/uautomizer-Dbtcem3rbc --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 6a2e67ae2e22c522227b4a149e1522cfb51ba347d38406e51fd570ee242daac0 --- 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-5e519f3 [2022-11-02 20:36:47,657 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:36:47,659 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:36:47,707 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:36:47,708 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:36:47,713 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:36:47,715 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:36:47,719 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:36:47,721 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:36:47,729 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:36:47,730 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:36:47,733 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:36:47,734 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:36:47,735 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:36:47,736 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:36:47,737 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:36:47,738 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:36:47,739 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:36:47,740 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:36:47,741 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:36:47,743 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:36:47,748 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:36:47,749 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:36:47,750 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:36:47,760 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:36:47,760 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:36:47,760 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:36:47,761 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:36:47,762 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:36:47,762 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:36:47,763 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:36:47,763 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:36:47,764 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:36:47,765 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:36:47,766 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:36:47,766 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:36:47,767 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:36:47,767 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:36:47,767 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:36:47,768 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:36:47,769 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:36:47,772 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48a38e9-d136-48bf-b356-13b780d26985/bin/uautomizer-Dbtcem3rbc/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-02 20:36:47,793 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:36:47,793 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:36:47,794 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:36:47,794 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:36:47,795 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:36:47,795 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:36:47,795 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:36:47,796 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-02 20:36:47,796 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-02 20:36:47,796 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-02 20:36:47,796 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-02 20:36:47,796 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-02 20:36:47,796 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-02 20:36:47,797 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:36:47,797 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-02 20:36:47,797 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:36:47,797 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:36:47,797 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-02 20:36:47,798 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-02 20:36:47,798 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-02 20:36:47,798 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:36:47,798 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-02 20:36:47,798 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:36:47,799 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-02 20:36:47,799 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:36:47,799 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:36:47,800 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:36:47,800 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:36:47,801 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-02 20:36:47,801 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_c48a38e9-d136-48bf-b356-13b780d26985/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48a38e9-d136-48bf-b356-13b780d26985/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6a2e67ae2e22c522227b4a149e1522cfb51ba347d38406e51fd570ee242daac0 [2022-11-02 20:36:48,099 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:36:48,132 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:36:48,135 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:36:48,137 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:36:48,138 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:36:48,140 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48a38e9-d136-48bf-b356-13b780d26985/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/termination-bwb/not-04.c [2022-11-02 20:36:48,206 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48a38e9-d136-48bf-b356-13b780d26985/bin/uautomizer-Dbtcem3rbc/data/ae578bed6/2199574701e94ae09f7b59b2f135d399/FLAG0d4c5f352 [2022-11-02 20:36:48,638 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:36:48,638 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48a38e9-d136-48bf-b356-13b780d26985/sv-benchmarks/c/termination-bwb/not-04.c [2022-11-02 20:36:48,645 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48a38e9-d136-48bf-b356-13b780d26985/bin/uautomizer-Dbtcem3rbc/data/ae578bed6/2199574701e94ae09f7b59b2f135d399/FLAG0d4c5f352 [2022-11-02 20:36:49,042 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48a38e9-d136-48bf-b356-13b780d26985/bin/uautomizer-Dbtcem3rbc/data/ae578bed6/2199574701e94ae09f7b59b2f135d399 [2022-11-02 20:36:49,045 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:36:49,046 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:36:49,048 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:36:49,048 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:36:49,056 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:36:49,057 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:36:49" (1/1) ... [2022-11-02 20:36:49,059 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4eed6898 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:36:49, skipping insertion in model container [2022-11-02 20:36:49,059 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:36:49" (1/1) ... [2022-11-02 20:36:49,066 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:36:49,078 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:36:49,295 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:36:49,300 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:36:49,315 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:36:49,328 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:36:49,329 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:36:49 WrapperNode [2022-11-02 20:36:49,330 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:36:49,331 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:36:49,331 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:36:49,331 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:36:49,339 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:36:49" (1/1) ... [2022-11-02 20:36:49,345 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:36:49" (1/1) ... [2022-11-02 20:36:49,361 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 19 [2022-11-02 20:36:49,362 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:36:49,363 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:36:49,364 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:36:49,364 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:36:49,372 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:36:49" (1/1) ... [2022-11-02 20:36:49,373 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:36:49" (1/1) ... [2022-11-02 20:36:49,373 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:36:49" (1/1) ... [2022-11-02 20:36:49,373 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:36:49" (1/1) ... [2022-11-02 20:36:49,377 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:36:49" (1/1) ... [2022-11-02 20:36:49,381 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:36:49" (1/1) ... [2022-11-02 20:36:49,382 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:36:49" (1/1) ... [2022-11-02 20:36:49,383 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:36:49" (1/1) ... [2022-11-02 20:36:49,385 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:36:49,386 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:36:49,387 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:36:49,387 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:36:49,388 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:36:49" (1/1) ... [2022-11-02 20:36:49,395 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:36:49,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48a38e9-d136-48bf-b356-13b780d26985/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:36:49,420 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48a38e9-d136-48bf-b356-13b780d26985/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:36:49,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48a38e9-d136-48bf-b356-13b780d26985/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-02 20:36:49,477 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:36:49,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:36:49,535 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:36:49,538 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:36:49,640 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:36:49,647 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:36:49,647 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-02 20:36:49,650 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:36:49 BoogieIcfgContainer [2022-11-02 20:36:49,650 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:36:49,652 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-02 20:36:49,652 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-02 20:36:49,657 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-02 20:36:49,658 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:36:49,658 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.11 08:36:49" (1/3) ... [2022-11-02 20:36:49,659 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@67de4603 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 08:36:49, skipping insertion in model container [2022-11-02 20:36:49,660 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:36:49,660 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:36:49" (2/3) ... [2022-11-02 20:36:49,660 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@67de4603 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 08:36:49, skipping insertion in model container [2022-11-02 20:36:49,660 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:36:49,661 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:36:49" (3/3) ... [2022-11-02 20:36:49,662 INFO L332 chiAutomizerObserver]: Analyzing ICFG not-04.c [2022-11-02 20:36:49,737 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-02 20:36:49,737 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-02 20:36:49,737 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-02 20:36:49,737 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-02 20:36:49,738 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-02 20:36:49,738 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-02 20:36:49,738 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-02 20:36:49,738 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-02 20:36:49,745 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 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) [2022-11-02 20:36:49,766 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-02 20:36:49,766 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:36:49,766 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:36:49,771 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-02 20:36:49,772 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-02 20:36:49,772 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-02 20:36:49,772 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 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) [2022-11-02 20:36:49,774 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-02 20:36:49,774 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:36:49,774 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:36:49,775 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-02 20:36:49,775 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-02 20:36:49,783 INFO L748 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~a~0#1, main_~x~0#1, main_~y~0#1;havoc main_~a~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;main_~a~0#1 := 0; 6#L18-2true [2022-11-02 20:36:49,783 INFO L750 eck$LassoCheckResult]: Loop: 6#L18-2true assume !!(0 != main_~y~0#1); 4#L18true assume !(main_~x~0#1 <= 0 || main_~y~0#1 <= 0);main_~x~0#1 := ~bitwiseComplement(main_~y~0#1); 6#L18-2true [2022-11-02 20:36:49,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:36:49,789 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-11-02 20:36:49,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:36:49,814 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773328043] [2022-11-02 20:36:49,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:36:49,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:36:49,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:36:49,899 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:36:49,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:36:49,932 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:36:49,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:36:49,936 INFO L85 PathProgramCache]: Analyzing trace with hash 1318, now seen corresponding path program 1 times [2022-11-02 20:36:49,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:36:49,938 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27113952] [2022-11-02 20:36:49,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:36:49,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:36:49,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:36:49,957 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:36:49,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:36:49,964 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:36:49,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:36:49,970 INFO L85 PathProgramCache]: Analyzing trace with hash 925800, now seen corresponding path program 1 times [2022-11-02 20:36:49,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:36:49,971 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327492646] [2022-11-02 20:36:49,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:36:49,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:36:49,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:36:49,977 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:36:49,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:36:49,981 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:36:50,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:36:50,095 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:36:50,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:36:50,106 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 02.11 08:36:50 BoogieIcfgContainer [2022-11-02 20:36:50,106 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-02 20:36:50,107 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 20:36:50,107 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 20:36:50,107 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 20:36:50,108 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:36:49" (3/4) ... [2022-11-02 20:36:50,111 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-02 20:36:50,111 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 20:36:50,113 INFO L158 Benchmark]: Toolchain (without parser) took 1065.86ms. Allocated memory is still 109.1MB. Free memory was 77.8MB in the beginning and 58.7MB in the end (delta: 19.1MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. [2022-11-02 20:36:50,113 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 86.0MB. Free memory is still 45.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:36:50,114 INFO L158 Benchmark]: CACSL2BoogieTranslator took 282.43ms. Allocated memory is still 109.1MB. Free memory was 77.6MB in the beginning and 86.0MB in the end (delta: -8.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-02 20:36:50,114 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.54ms. Allocated memory is still 109.1MB. Free memory was 86.0MB in the beginning and 84.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:36:50,115 INFO L158 Benchmark]: Boogie Preprocessor took 21.90ms. Allocated memory is still 109.1MB. Free memory was 84.8MB in the beginning and 83.6MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:36:50,116 INFO L158 Benchmark]: RCFGBuilder took 263.98ms. Allocated memory is still 109.1MB. Free memory was 83.6MB in the beginning and 75.5MB in the end (delta: 8.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-02 20:36:50,117 INFO L158 Benchmark]: BuchiAutomizer took 454.87ms. Allocated memory is still 109.1MB. Free memory was 75.5MB in the beginning and 59.1MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-02 20:36:50,117 INFO L158 Benchmark]: Witness Printer took 4.00ms. Allocated memory is still 109.1MB. Free memory was 59.1MB in the beginning and 58.7MB in the end (delta: 320.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:36:50,121 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 86.0MB. Free memory is still 45.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 282.43ms. Allocated memory is still 109.1MB. Free memory was 77.6MB in the beginning and 86.0MB in the end (delta: -8.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.54ms. Allocated memory is still 109.1MB. Free memory was 86.0MB in the beginning and 84.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 21.90ms. Allocated memory is still 109.1MB. Free memory was 84.8MB in the beginning and 83.6MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 263.98ms. Allocated memory is still 109.1MB. Free memory was 83.6MB in the beginning and 75.5MB in the end (delta: 8.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 454.87ms. Allocated memory is still 109.1MB. Free memory was 75.5MB in the beginning and 59.1MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 4.00ms. Allocated memory is still 109.1MB. Free memory was 59.1MB in the beginning and 58.7MB in the end (delta: 320.9kB). 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 Trivial decomposition into one module whose termination is unknown. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.3s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 0.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. 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 [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Unable to decide termination Buchi Automizer cannot decide termination for the following lasso because it contains the following overapproximations. Overapproximations C: ~y [21] (Reason bitwiseComplement) Lasso Stem: "assume { :begin_inline_ULTIMATE.init } true;" "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_~a~0#1, main_~x~0#1, main_~y~0#1;havoc main_~a~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;main_~a~0#1 := 0;" Loop: "assume !!(0 != main_~y~0#1);" "assume !(main_~x~0#1 <= 0 || main_~y~0#1 <= 0);main_~x~0#1 := ~bitwiseComplement(main_~y~0#1);" RESULT: Ultimate could not prove your program: unable to determine termination [2022-11-02 20:36:50,175 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48a38e9-d136-48bf-b356-13b780d26985/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48a38e9-d136-48bf-b356-13b780d26985/bin/uautomizer-Dbtcem3rbc/config using search string *Termination*64bit*_Bitvector*.epf No suitable settings file found using Termination*64bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: UNKNOWN