./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-numeric/java_LogBuiltIn.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166d7590-be07-494b-9423-09bda51598c0/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166d7590-be07-494b-9423-09bda51598c0/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166d7590-be07-494b-9423-09bda51598c0/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166d7590-be07-494b-9423-09bda51598c0/bin/uautomizer-tPACEb0tL8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-numeric/java_LogBuiltIn.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166d7590-be07-494b-9423-09bda51598c0/bin/uautomizer-tPACEb0tL8/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166d7590-be07-494b-9423-09bda51598c0/bin/uautomizer-tPACEb0tL8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 6d6de59cf2b416f7340c8c861064933450d6034e9a050a1b7fe5107e8fa4152f --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 11:41:51,119 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:41:51,121 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:41:51,148 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:41:51,149 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:41:51,150 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:41:51,157 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:41:51,165 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:41:51,168 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:41:51,169 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:41:51,170 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:41:51,171 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:41:51,171 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:41:51,172 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:41:51,173 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:41:51,175 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:41:51,176 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:41:51,177 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:41:51,178 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:41:51,190 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:41:51,195 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:41:51,199 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:41:51,200 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:41:51,201 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:41:51,205 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:41:51,205 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:41:51,205 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:41:51,206 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:41:51,207 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:41:51,208 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:41:51,208 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:41:51,209 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:41:51,210 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:41:51,217 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:41:51,219 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:41:51,219 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:41:51,220 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:41:51,220 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:41:51,220 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:41:51,221 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:41:51,222 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:41:51,223 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166d7590-be07-494b-9423-09bda51598c0/bin/uautomizer-tPACEb0tL8/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-16 11:41:51,259 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:41:51,260 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:41:51,260 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:41:51,260 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:41:51,261 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:41:51,261 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:41:51,262 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:41:51,262 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-16 11:41:51,262 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-16 11:41:51,262 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-16 11:41:51,262 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-16 11:41:51,262 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-16 11:41:51,263 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-16 11:41:51,263 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:41:51,263 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 11:41:51,263 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:41:51,263 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:41:51,264 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-16 11:41:51,264 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-16 11:41:51,264 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-16 11:41:51,264 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:41:51,264 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-16 11:41:51,264 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:41:51,265 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-16 11:41:51,265 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:41:51,265 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:41:51,265 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:41:51,265 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:41:51,267 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-16 11:41:51,268 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_166d7590-be07-494b-9423-09bda51598c0/bin/uautomizer-tPACEb0tL8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166d7590-be07-494b-9423-09bda51598c0/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6d6de59cf2b416f7340c8c861064933450d6034e9a050a1b7fe5107e8fa4152f [2022-11-16 11:41:51,551 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:41:51,573 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:41:51,575 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:41:51,577 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:41:51,578 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:41:51,579 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166d7590-be07-494b-9423-09bda51598c0/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/termination-numeric/java_LogBuiltIn.c [2022-11-16 11:41:51,683 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166d7590-be07-494b-9423-09bda51598c0/bin/uautomizer-tPACEb0tL8/data/e6c552308/b7846728f350481fb68b8ab278c7888b/FLAG9c62e868b [2022-11-16 11:41:52,175 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:41:52,176 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166d7590-be07-494b-9423-09bda51598c0/sv-benchmarks/c/termination-numeric/java_LogBuiltIn.c [2022-11-16 11:41:52,180 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166d7590-be07-494b-9423-09bda51598c0/bin/uautomizer-tPACEb0tL8/data/e6c552308/b7846728f350481fb68b8ab278c7888b/FLAG9c62e868b [2022-11-16 11:41:52,555 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166d7590-be07-494b-9423-09bda51598c0/bin/uautomizer-tPACEb0tL8/data/e6c552308/b7846728f350481fb68b8ab278c7888b [2022-11-16 11:41:52,558 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:41:52,559 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:41:52,561 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:41:52,561 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:41:52,565 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:41:52,566 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:41:52" (1/1) ... [2022-11-16 11:41:52,568 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@414e7d3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:41:52, skipping insertion in model container [2022-11-16 11:41:52,571 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:41:52" (1/1) ... [2022-11-16 11:41:52,583 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:41:52,597 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:41:52,793 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:41:52,796 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:41:52,807 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:41:52,817 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:41:52,818 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:41:52 WrapperNode [2022-11-16 11:41:52,818 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:41:52,819 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:41:52,819 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:41:52,819 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:41:52,825 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:41:52" (1/1) ... [2022-11-16 11:41:52,829 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:41:52" (1/1) ... [2022-11-16 11:41:52,845 INFO L138 Inliner]: procedures = 5, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 19 [2022-11-16 11:41:52,845 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:41:52,846 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:41:52,846 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:41:52,846 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:41:52,855 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:41:52" (1/1) ... [2022-11-16 11:41:52,855 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:41:52" (1/1) ... [2022-11-16 11:41:52,856 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:41:52" (1/1) ... [2022-11-16 11:41:52,856 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:41:52" (1/1) ... [2022-11-16 11:41:52,858 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:41:52" (1/1) ... [2022-11-16 11:41:52,862 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:41:52" (1/1) ... [2022-11-16 11:41:52,863 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:41:52" (1/1) ... [2022-11-16 11:41:52,864 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:41:52" (1/1) ... [2022-11-16 11:41:52,865 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:41:52,867 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:41:52,867 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:41:52,868 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:41:52,869 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:41:52" (1/1) ... [2022-11-16 11:41:52,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:41:52,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166d7590-be07-494b-9423-09bda51598c0/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:41:52,905 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166d7590-be07-494b-9423-09bda51598c0/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:41:52,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166d7590-be07-494b-9423-09bda51598c0/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-16 11:41:52,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:41:52,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:41:53,025 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:41:53,028 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:41:53,100 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:41:53,106 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:41:53,107 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-16 11:41:53,108 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:41:53 BoogieIcfgContainer [2022-11-16 11:41:53,109 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:41:53,110 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-16 11:41:53,110 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-16 11:41:53,119 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-16 11:41:53,119 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 11:41:53,120 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 16.11 11:41:52" (1/3) ... [2022-11-16 11:41:53,120 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6eee375a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 11:41:53, skipping insertion in model container [2022-11-16 11:41:53,120 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 11:41:53,121 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:41:52" (2/3) ... [2022-11-16 11:41:53,121 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6eee375a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 11:41:53, skipping insertion in model container [2022-11-16 11:41:53,121 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 11:41:53,121 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:41:53" (3/3) ... [2022-11-16 11:41:53,123 INFO L332 chiAutomizerObserver]: Analyzing ICFG java_LogBuiltIn.c [2022-11-16 11:41:53,178 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-16 11:41:53,178 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-16 11:41:53,178 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-16 11:41:53,179 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-16 11:41:53,179 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-16 11:41:53,179 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-16 11:41:53,179 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-16 11:41:53,179 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-16 11:41:53,183 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:41:53,202 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-11-16 11:41:53,203 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 11:41:53,207 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 11:41:53,214 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-16 11:41:53,214 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-11-16 11:41:53,215 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-16 11:41:53,215 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:41:53,216 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-11-16 11:41:53,216 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 11:41:53,216 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 11:41:53,216 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-16 11:41:53,217 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-11-16 11:41:53,224 INFO L748 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 6#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~ret2#1;assume { :begin_inline_mlog } true;mlog_#in~x#1 := main_#t~nondet1#1;havoc mlog_#res#1;havoc mlog_#t~post0#1, mlog_~x#1, mlog_~res~0#1;mlog_~x#1 := mlog_#in~x#1;mlog_~res~0#1 := 0; 4#L7-2true [2022-11-16 11:41:53,224 INFO L750 eck$LassoCheckResult]: Loop: 4#L7-2true assume !!(mlog_~x#1 > 1);mlog_~x#1 := (if mlog_~x#1 < 0 && 0 != mlog_~x#1 % 2 then 1 + mlog_~x#1 / 2 else mlog_~x#1 / 2);mlog_#t~post0#1 := mlog_~res~0#1;mlog_~res~0#1 := 1 + mlog_#t~post0#1;havoc mlog_#t~post0#1; 4#L7-2true [2022-11-16 11:41:53,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:41:53,230 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-11-16 11:41:53,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:41:53,241 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410663523] [2022-11-16 11:41:53,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:41:53,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:41:53,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:41:53,329 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:41:53,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:41:53,363 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:41:53,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:41:53,368 INFO L85 PathProgramCache]: Analyzing trace with hash 42, now seen corresponding path program 1 times [2022-11-16 11:41:53,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:41:53,370 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65202974] [2022-11-16 11:41:53,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:41:53,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:41:53,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:41:53,413 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:41:53,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:41:53,439 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:41:53,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:41:53,441 INFO L85 PathProgramCache]: Analyzing trace with hash 29864, now seen corresponding path program 1 times [2022-11-16 11:41:53,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:41:53,442 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41579103] [2022-11-16 11:41:53,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:41:53,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:41:53,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:41:53,464 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:41:53,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:41:53,484 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:41:53,603 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 11:41:53,619 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 11:41:53,620 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 11:41:53,620 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 11:41:53,620 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-16 11:41:53,620 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:41:53,620 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 11:41:53,621 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 11:41:53,621 INFO L133 ssoRankerPreferences]: Filename of dumped script: java_LogBuiltIn.c_Iteration1_Loop [2022-11-16 11:41:53,621 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 11:41:53,621 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 11:41:53,658 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:41:53,671 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:41:53,674 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:41:53,782 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 11:41:53,783 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-16 11:41:53,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:41:53,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166d7590-be07-494b-9423-09bda51598c0/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:41:53,789 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166d7590-be07-494b-9423-09bda51598c0/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:41:53,796 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-16 11:41:53,796 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 11:41:53,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166d7590-be07-494b-9423-09bda51598c0/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-16 11:41:53,831 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166d7590-be07-494b-9423-09bda51598c0/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-16 11:41:53,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:41:53,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166d7590-be07-494b-9423-09bda51598c0/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:41:53,833 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166d7590-be07-494b-9423-09bda51598c0/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:41:53,842 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-16 11:41:53,842 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 11:41:53,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166d7590-be07-494b-9423-09bda51598c0/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-16 11:41:53,887 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-16 11:41:53,887 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_mlog_~res~0#1=0} Honda state: {ULTIMATE.start_mlog_~res~0#1=0} Generalized eigenvectors: [{ULTIMATE.start_mlog_~res~0#1=2}, {ULTIMATE.start_mlog_~res~0#1=-8}, {ULTIMATE.start_mlog_~res~0#1=7}] Lambdas: [5, 1, 1] Nus: [1, 0] [2022-11-16 11:41:53,895 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166d7590-be07-494b-9423-09bda51598c0/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-16 11:41:53,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:41:53,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166d7590-be07-494b-9423-09bda51598c0/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:41:53,897 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166d7590-be07-494b-9423-09bda51598c0/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:41:53,904 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-16 11:41:53,904 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 11:41:53,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166d7590-be07-494b-9423-09bda51598c0/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-16 11:41:53,927 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-16 11:41:53,928 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_mlog_#t~post0#1=0} Honda state: {ULTIMATE.start_mlog_#t~post0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-16 11:41:53,937 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166d7590-be07-494b-9423-09bda51598c0/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-16 11:41:53,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:41:53,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166d7590-be07-494b-9423-09bda51598c0/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:41:53,940 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166d7590-be07-494b-9423-09bda51598c0/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:41:53,952 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-16 11:41:53,952 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 11:41:53,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166d7590-be07-494b-9423-09bda51598c0/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-16 11:41:53,998 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166d7590-be07-494b-9423-09bda51598c0/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-16 11:41:53,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:41:53,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166d7590-be07-494b-9423-09bda51598c0/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:41:54,001 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166d7590-be07-494b-9423-09bda51598c0/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:41:54,009 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-16 11:41:54,009 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 11:41:54,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166d7590-be07-494b-9423-09bda51598c0/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-16 11:41:54,066 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-16 11:41:54,074 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166d7590-be07-494b-9423-09bda51598c0/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-16 11:41:54,074 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 11:41:54,074 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 11:41:54,074 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 11:41:54,075 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 11:41:54,075 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-16 11:41:54,075 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:41:54,075 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 11:41:54,075 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 11:41:54,075 INFO L133 ssoRankerPreferences]: Filename of dumped script: java_LogBuiltIn.c_Iteration1_Loop [2022-11-16 11:41:54,075 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 11:41:54,075 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 11:41:54,077 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:41:54,084 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:41:54,088 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:41:54,215 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 11:41:54,219 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-16 11:41:54,221 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:41:54,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166d7590-be07-494b-9423-09bda51598c0/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:41:54,230 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166d7590-be07-494b-9423-09bda51598c0/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:41:54,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166d7590-be07-494b-9423-09bda51598c0/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-16 11:41:54,236 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 11:41:54,249 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:41:54,249 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:41:54,250 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:41:54,250 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:41:54,250 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:41:54,252 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:41:54,253 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:41:54,263 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:41:54,267 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166d7590-be07-494b-9423-09bda51598c0/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-16 11:41:54,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:41:54,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166d7590-be07-494b-9423-09bda51598c0/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:41:54,272 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166d7590-be07-494b-9423-09bda51598c0/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:41:54,280 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 11:41:54,293 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:41:54,293 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:41:54,293 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:41:54,293 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:41:54,293 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:41:54,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166d7590-be07-494b-9423-09bda51598c0/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-16 11:41:54,294 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:41:54,294 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:41:54,304 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:41:54,313 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166d7590-be07-494b-9423-09bda51598c0/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-16 11:41:54,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:41:54,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166d7590-be07-494b-9423-09bda51598c0/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:41:54,315 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166d7590-be07-494b-9423-09bda51598c0/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:41:54,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166d7590-be07-494b-9423-09bda51598c0/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-16 11:41:54,324 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 11:41:54,337 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:41:54,337 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:41:54,337 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:41:54,337 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:41:54,337 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:41:54,339 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:41:54,339 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:41:54,349 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-16 11:41:54,354 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-11-16 11:41:54,354 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-11-16 11:41:54,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:41:54,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166d7590-be07-494b-9423-09bda51598c0/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:41:54,359 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166d7590-be07-494b-9423-09bda51598c0/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:41:54,366 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-16 11:41:54,367 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-16 11:41:54,367 INFO L513 LassoAnalysis]: Proved termination. [2022-11-16 11:41:54,367 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_mlog_~x#1) = 1*ULTIMATE.start_mlog_~x#1 Supporting invariants [] [2022-11-16 11:41:54,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166d7590-be07-494b-9423-09bda51598c0/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-16 11:41:54,373 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166d7590-be07-494b-9423-09bda51598c0/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2022-11-16 11:41:54,377 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-16 11:41:54,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:41:54,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:41:54,408 INFO L263 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-16 11:41:54,409 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:41:54,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:41:54,422 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-16 11:41:54,423 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:41:54,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:41:54,457 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-11-16 11:41:54,459 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:41:54,493 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 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 19 states and 22 transitions. Complement of second has 5 states. [2022-11-16 11:41:54,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-16 11:41:54,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:41:54,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 13 transitions. [2022-11-16 11:41:54,502 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 2 letters. Loop has 1 letters. [2022-11-16 11:41:54,503 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 11:41:54,503 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 3 letters. Loop has 1 letters. [2022-11-16 11:41:54,503 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 11:41:54,503 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 2 letters. Loop has 2 letters. [2022-11-16 11:41:54,503 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 11:41:54,504 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 22 transitions. [2022-11-16 11:41:54,507 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-16 11:41:54,509 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 0 states and 0 transitions. [2022-11-16 11:41:54,510 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-16 11:41:54,511 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-16 11:41:54,511 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-16 11:41:54,511 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:41:54,512 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 11:41:54,512 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 11:41:54,512 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 11:41:54,512 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-16 11:41:54,512 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-16 11:41:54,513 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-16 11:41:54,513 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-16 11:41:54,520 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 16.11 11:41:54 BoogieIcfgContainer [2022-11-16 11:41:54,520 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-16 11:41:54,521 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 11:41:54,521 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 11:41:54,521 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 11:41:54,522 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:41:53" (3/4) ... [2022-11-16 11:41:54,525 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-16 11:41:54,525 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 11:41:54,526 INFO L158 Benchmark]: Toolchain (without parser) took 1966.44ms. Allocated memory is still 121.6MB. Free memory was 89.1MB in the beginning and 83.4MB in the end (delta: 5.8MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. [2022-11-16 11:41:54,526 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 83.9MB. Free memory was 35.3MB in the beginning and 35.2MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:41:54,527 INFO L158 Benchmark]: CACSL2BoogieTranslator took 257.36ms. Allocated memory is still 121.6MB. Free memory was 88.9MB in the beginning and 98.0MB in the end (delta: -9.1MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. [2022-11-16 11:41:54,528 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.69ms. Allocated memory is still 121.6MB. Free memory was 98.0MB in the beginning and 96.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:41:54,528 INFO L158 Benchmark]: Boogie Preprocessor took 19.39ms. Allocated memory is still 121.6MB. Free memory was 96.9MB in the beginning and 95.9MB in the end (delta: 979.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:41:54,529 INFO L158 Benchmark]: RCFGBuilder took 242.06ms. Allocated memory is still 121.6MB. Free memory was 95.9MB in the beginning and 87.5MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-16 11:41:54,529 INFO L158 Benchmark]: BuchiAutomizer took 1410.53ms. Allocated memory is still 121.6MB. Free memory was 87.5MB in the beginning and 84.2MB in the end (delta: 3.3MB). Peak memory consumption was 2.4MB. Max. memory is 16.1GB. [2022-11-16 11:41:54,530 INFO L158 Benchmark]: Witness Printer took 4.44ms. Allocated memory is still 121.6MB. Free memory was 84.2MB in the beginning and 83.4MB in the end (delta: 816.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:41:54,533 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 83.9MB. Free memory was 35.3MB in the beginning and 35.2MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 257.36ms. Allocated memory is still 121.6MB. Free memory was 88.9MB in the beginning and 98.0MB in the end (delta: -9.1MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.69ms. Allocated memory is still 121.6MB. Free memory was 98.0MB in the beginning and 96.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 19.39ms. Allocated memory is still 121.6MB. Free memory was 96.9MB in the beginning and 95.9MB in the end (delta: 979.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 242.06ms. Allocated memory is still 121.6MB. Free memory was 95.9MB in the beginning and 87.5MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1410.53ms. Allocated memory is still 121.6MB. Free memory was 87.5MB in the beginning and 84.2MB in the end (delta: 3.3MB). Peak memory consumption was 2.4MB. Max. memory is 16.1GB. * Witness Printer took 4.44ms. Allocated memory is still 121.6MB. Free memory was 84.2MB in the beginning and 83.4MB in the end (delta: 816.0kB). Peak memory consumption was 2.1MB. 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 1.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.1s. 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, 7 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6 mSDsluCounter, 10 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 6 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital15 mio100 ax100 hnf100 lsp66 ukn100 mio100 lsp100 div450 bol100 ite100 ukn100 eq108 hnf97 smp47 dnf100 smp100 tf108 neg100 sie108 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 42ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-11-16 11:41:54,551 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166d7590-be07-494b-9423-09bda51598c0/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2022-11-16 11:41:54,750 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166d7590-be07-494b-9423-09bda51598c0/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE