./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-WST2014-Ex9.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb190543-39bb-4233-9bbc-9039d9234473/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb190543-39bb-4233-9bbc-9039d9234473/bin/uautomizer-Z5i5R5N3CC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb190543-39bb-4233-9bbc-9039d9234473/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb190543-39bb-4233-9bbc-9039d9234473/bin/uautomizer-Z5i5R5N3CC/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-WST2014-Ex9.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb190543-39bb-4233-9bbc-9039d9234473/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb190543-39bb-4233-9bbc-9039d9234473/bin/uautomizer-Z5i5R5N3CC --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 8c261c4c4bb9c8a95f9cb14c668da53a89a0d0c6 ............................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 00:31:45,812 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:31:45,814 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:31:45,847 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:31:45,848 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:31:45,849 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:31:45,851 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:31:45,854 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:31:45,856 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:31:45,857 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:31:45,858 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:31:45,860 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:31:45,860 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:31:45,862 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:31:45,863 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:31:45,865 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:31:45,866 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:31:45,867 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:31:45,870 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:31:45,872 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:31:45,874 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:31:45,879 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:31:45,880 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:31:45,881 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:31:45,885 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:31:45,885 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:31:45,885 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:31:45,887 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:31:45,887 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:31:45,888 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:31:45,889 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:31:45,890 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:31:45,891 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:31:45,892 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:31:45,893 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:31:45,893 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:31:45,894 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:31:45,895 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:31:45,895 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:31:45,896 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:31:45,897 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:31:45,898 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb190543-39bb-4233-9bbc-9039d9234473/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-11 00:31:45,941 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:31:45,942 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:31:45,943 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:31:45,943 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:31:45,944 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:31:45,944 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-11 00:31:45,945 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-11 00:31:45,945 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-11 00:31:45,945 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-11 00:31:45,955 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-11 00:31:45,955 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-11 00:31:45,956 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:31:45,956 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-11 00:31:45,961 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:31:45,961 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:31:45,962 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-11 00:31:45,962 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-11 00:31:45,963 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-11 00:31:45,963 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:31:45,963 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-11 00:31:45,964 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:31:45,964 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-11 00:31:45,964 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:31:45,965 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:31:45,965 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:31:45,966 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:31:45,966 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:31:45,967 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-11 00:31:45,967 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_cb190543-39bb-4233-9bbc-9039d9234473/bin/uautomizer-Z5i5R5N3CC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb190543-39bb-4233-9bbc-9039d9234473/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8c261c4c4bb9c8a95f9cb14c668da53a89a0d0c6 [2021-10-11 00:31:46,218 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:31:46,251 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:31:46,254 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:31:46,255 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:31:46,257 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:31:46,259 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb190543-39bb-4233-9bbc-9039d9234473/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-WST2014-Ex9.c [2021-10-11 00:31:46,331 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb190543-39bb-4233-9bbc-9039d9234473/bin/uautomizer-Z5i5R5N3CC/data/d724f0dc8/7ea450c04fdb427798ae4a4ea906e75d/FLAGb0ba9e9a9 [2021-10-11 00:31:46,742 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:31:46,745 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb190543-39bb-4233-9bbc-9039d9234473/sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-WST2014-Ex9.c [2021-10-11 00:31:46,772 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb190543-39bb-4233-9bbc-9039d9234473/bin/uautomizer-Z5i5R5N3CC/data/d724f0dc8/7ea450c04fdb427798ae4a4ea906e75d/FLAGb0ba9e9a9 [2021-10-11 00:31:47,140 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb190543-39bb-4233-9bbc-9039d9234473/bin/uautomizer-Z5i5R5N3CC/data/d724f0dc8/7ea450c04fdb427798ae4a4ea906e75d [2021-10-11 00:31:47,142 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:31:47,144 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:31:47,145 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:31:47,145 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:31:47,148 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:31:47,149 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:31:47" (1/1) ... [2021-10-11 00:31:47,151 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c7e88f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:47, skipping insertion in model container [2021-10-11 00:31:47,151 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:31:47" (1/1) ... [2021-10-11 00:31:47,158 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:31:47,169 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:31:47,311 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:31:47,323 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:31:47,341 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:31:47,353 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:31:47,353 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:47 WrapperNode [2021-10-11 00:31:47,354 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:31:47,355 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:31:47,355 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:31:47,355 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:31:47,363 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:47" (1/1) ... [2021-10-11 00:31:47,367 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:47" (1/1) ... [2021-10-11 00:31:47,382 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:31:47,383 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:31:47,383 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:31:47,384 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:31:47,392 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:47" (1/1) ... [2021-10-11 00:31:47,392 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:47" (1/1) ... [2021-10-11 00:31:47,393 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:47" (1/1) ... [2021-10-11 00:31:47,393 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:47" (1/1) ... [2021-10-11 00:31:47,394 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:47" (1/1) ... [2021-10-11 00:31:47,398 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:47" (1/1) ... [2021-10-11 00:31:47,399 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:47" (1/1) ... [2021-10-11 00:31:47,400 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:31:47,401 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:31:47,401 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:31:47,401 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:31:47,402 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:47" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb190543-39bb-4233-9bbc-9039d9234473/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:31:47,487 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:31:47,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:31:47,630 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:31:47,630 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-10-11 00:31:47,633 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:31:47 BoogieIcfgContainer [2021-10-11 00:31:47,633 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:31:47,634 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-11 00:31:47,634 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-11 00:31:47,638 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-11 00:31:47,639 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-11 00:31:47,640 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 11.10 12:31:47" (1/3) ... [2021-10-11 00:31:47,642 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3546c485 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 11.10 12:31:47, skipping insertion in model container [2021-10-11 00:31:47,643 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-11 00:31:47,643 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:47" (2/3) ... [2021-10-11 00:31:47,643 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3546c485 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 11.10 12:31:47, skipping insertion in model container [2021-10-11 00:31:47,644 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-11 00:31:47,644 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:31:47" (3/3) ... [2021-10-11 00:31:47,646 INFO L389 chiAutomizerObserver]: Analyzing ICFG LeikeHeizmann-WST2014-Ex9.c [2021-10-11 00:31:47,712 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-11 00:31:47,712 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-11 00:31:47,712 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-11 00:31:47,712 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:31:47,713 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:31:47,713 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-11 00:31:47,713 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:31:47,713 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-11 00:31:47,725 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states. [2021-10-11 00:31:47,742 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-10-11 00:31:47,743 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-11 00:31:47,743 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-11 00:31:47,749 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1] [2021-10-11 00:31:47,749 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-10-11 00:31:47,749 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-11 00:31:47,749 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states. [2021-10-11 00:31:47,750 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-10-11 00:31:47,751 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-11 00:31:47,751 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-11 00:31:47,751 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1] [2021-10-11 00:31:47,751 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-10-11 00:31:47,758 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_~x~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0; 6#L13-2true [2021-10-11 00:31:47,759 INFO L796 eck$LassoCheckResult]: Loop: 6#L13-2true assume !!(main_~x~0 > 0);main_~x~0 := (if main_~x~0 < 0 && 0 != main_~x~0 % 2 then 1 + main_~x~0 / 2 else main_~x~0 / 2); 6#L13-2true [2021-10-11 00:31:47,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:47,765 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2021-10-11 00:31:47,773 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:31:47,774 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898828478] [2021-10-11 00:31:47,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:31:47,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:31:47,832 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:31:47,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:31:47,835 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:31:47,850 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:31:47,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:47,852 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 1 times [2021-10-11 00:31:47,853 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:31:47,853 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660315454] [2021-10-11 00:31:47,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:31:47,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:31:47,872 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:31:47,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:31:47,879 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:31:47,880 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:31:47,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:47,882 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2021-10-11 00:31:47,882 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:31:47,883 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958892024] [2021-10-11 00:31:47,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:31:47,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:31:47,890 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:31:47,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:31:47,897 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:31:47,898 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:31:47,963 INFO L210 LassoAnalysis]: Preferences: [2021-10-11 00:31:47,963 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-11 00:31:47,964 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-11 00:31:47,964 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-11 00:31:47,964 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-11 00:31:47,964 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:31:47,964 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-11 00:31:47,965 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-11 00:31:47,965 INFO L133 ssoRankerPreferences]: Filename of dumped script: LeikeHeizmann-WST2014-Ex9.c_Iteration1_Loop [2021-10-11 00:31:47,965 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-11 00:31:47,965 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2021-10-11 00:31:47,984 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:31:48,046 INFO L292 LassoAnalysis]: Preprocessing complete. [2021-10-11 00:31:48,046 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb190543-39bb-4233-9bbc-9039d9234473/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:31:48,067 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-11 00:31:48,067 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb190543-39bb-4233-9bbc-9039d9234473/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:31:48,150 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-11 00:31:48,150 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:31:48,225 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-11 00:31:48,226 INFO L210 LassoAnalysis]: Preferences: [2021-10-11 00:31:48,226 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-11 00:31:48,227 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-11 00:31:48,227 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-11 00:31:48,227 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-11 00:31:48,227 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:31:48,227 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-11 00:31:48,227 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-11 00:31:48,227 INFO L133 ssoRankerPreferences]: Filename of dumped script: LeikeHeizmann-WST2014-Ex9.c_Iteration1_Loop [2021-10-11 00:31:48,227 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-11 00:31:48,227 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2021-10-11 00:31:48,228 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:31:48,315 INFO L292 LassoAnalysis]: Preprocessing complete. [2021-10-11 00:31:48,319 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb190543-39bb-4233-9bbc-9039d9234473/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:31:48,326 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:31:48,328 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:31:48,329 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:31:48,329 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:31:48,329 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:31:48,329 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:31:48,333 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:31:48,334 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:31:48,357 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-11 00:31:48,365 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-11 00:31:48,365 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb190543-39bb-4233-9bbc-9039d9234473/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:31:48,371 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-11 00:31:48,371 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-11 00:31:48,372 INFO L510 LassoAnalysis]: Proved termination. [2021-10-11 00:31:48,372 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0) = 1*ULTIMATE.start_main_~x~0 Supporting invariants [] [2021-10-11 00:31:48,393 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-11 00:31:48,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:48,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:31:48,437 WARN L261 TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 00:31:48,438 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:31:48,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:31:48,451 WARN L261 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-11 00:31:48,451 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:31:48,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:31:48,471 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2021-10-11 00:31:48,472 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 6 states. Second operand 2 states. [2021-10-11 00:31:48,519 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 6 states.. Second operand 2 states. Result 15 states and 18 transitions. Complement of second has 5 states. [2021-10-11 00:31:48,521 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 [2021-10-11 00:31:48,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2021-10-11 00:31:48,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 10 transitions. [2021-10-11 00:31:48,526 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 1 letters. Loop has 1 letters. [2021-10-11 00:31:48,526 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-11 00:31:48,526 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 2 letters. Loop has 1 letters. [2021-10-11 00:31:48,527 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-11 00:31:48,535 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 1 letters. Loop has 2 letters. [2021-10-11 00:31:48,536 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-11 00:31:48,537 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 18 transitions. [2021-10-11 00:31:48,541 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-11 00:31:48,543 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 0 states and 0 transitions. [2021-10-11 00:31:48,544 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-11 00:31:48,545 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-11 00:31:48,545 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-11 00:31:48,545 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-11 00:31:48,546 INFO L692 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:31:48,546 INFO L715 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:31:48,546 INFO L595 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:31:48,546 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-11 00:31:48,546 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-11 00:31:48,546 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-11 00:31:48,546 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-11 00:31:48,552 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 11.10 12:31:48 BoogieIcfgContainer [2021-10-11 00:31:48,552 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-11 00:31:48,553 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:31:48,553 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:31:48,553 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:31:48,554 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:31:47" (3/4) ... [2021-10-11 00:31:48,557 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-11 00:31:48,558 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:31:48,562 INFO L168 Benchmark]: Toolchain (without parser) took 1415.15 ms. Allocated memory was 94.4 MB in the beginning and 121.6 MB in the end (delta: 27.3 MB). Free memory was 72.6 MB in the beginning and 85.3 MB in the end (delta: -12.7 MB). Peak memory consumption was 15.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:31:48,563 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 94.4 MB. Free memory is still 68.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:31:48,565 INFO L168 Benchmark]: CACSL2BoogieTranslator took 209.18 ms. Allocated memory is still 94.4 MB. Free memory was 72.4 MB in the beginning and 71.0 MB in the end (delta: 1.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 00:31:48,566 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.82 ms. Allocated memory is still 94.4 MB. Free memory was 71.0 MB in the beginning and 69.7 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:31:48,567 INFO L168 Benchmark]: Boogie Preprocessor took 16.91 ms. Allocated memory is still 94.4 MB. Free memory was 69.7 MB in the beginning and 68.9 MB in the end (delta: 746.6 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:31:48,568 INFO L168 Benchmark]: RCFGBuilder took 232.09 ms. Allocated memory is still 94.4 MB. Free memory was 68.9 MB in the beginning and 61.0 MB in the end (delta: 7.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-11 00:31:48,571 INFO L168 Benchmark]: BuchiAutomizer took 918.61 ms. Allocated memory was 94.4 MB in the beginning and 121.6 MB in the end (delta: 27.3 MB). Free memory was 60.8 MB in the beginning and 86.0 MB in the end (delta: -25.2 MB). Peak memory consumption was 2.3 MB. Max. memory is 16.1 GB. [2021-10-11 00:31:48,573 INFO L168 Benchmark]: Witness Printer took 5.20 ms. Allocated memory is still 121.6 MB. Free memory was 86.0 MB in the beginning and 85.3 MB in the end (delta: 717.0 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:31:48,579 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 94.4 MB. Free memory is still 68.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 209.18 ms. Allocated memory is still 94.4 MB. Free memory was 72.4 MB in the beginning and 71.0 MB in the end (delta: 1.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 27.82 ms. Allocated memory is still 94.4 MB. Free memory was 71.0 MB in the beginning and 69.7 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 16.91 ms. Allocated memory is still 94.4 MB. Free memory was 69.7 MB in the beginning and 68.9 MB in the end (delta: 746.6 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 232.09 ms. Allocated memory is still 94.4 MB. Free memory was 68.9 MB in the beginning and 61.0 MB in the end (delta: 7.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 918.61 ms. Allocated memory was 94.4 MB in the beginning and 121.6 MB in the end (delta: 27.3 MB). Free memory was 60.8 MB in the beginning and 86.0 MB in the end (delta: -25.2 MB). Peak memory consumption was 2.3 MB. Max. memory is 16.1 GB. * Witness Printer took 5.20 ms. Allocated memory is still 121.6 MB. Free memory was 86.0 MB in the beginning and 85.3 MB in the end (delta: 717.0 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * 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 0.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.6s. 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 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 4 SDtfs, 4 SDslu, 3 SDs, 0 SdLazy, 3 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital10 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div450 bol100 ite100 ukn100 eq108 hnf46 smp100 dnf100 smp100 tf108 neg100 sie108 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 51ms VariablesStem: 0 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...