./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-random1d-2.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_46059d04-006f-401c-8385-8f80488e8944/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46059d04-006f-401c-8385-8f80488e8944/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_46059d04-006f-401c-8385-8f80488e8944/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46059d04-006f-401c-8385-8f80488e8944/bin/uautomizer-Z5i5R5N3CC/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-random1d-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46059d04-006f-401c-8385-8f80488e8944/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_46059d04-006f-401c-8385-8f80488e8944/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 07d66c4a8707cd8197105d63e3dee30aff715401 ..................................................................................................................................................................................................................................................................................................................................................................................................................... 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 00:21:54,177 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:21:54,179 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:21:54,244 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:21:54,245 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:21:54,251 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:21:54,254 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:21:54,269 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:21:54,272 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:21:54,274 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:21:54,276 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:21:54,277 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:21:54,278 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:21:54,279 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:21:54,281 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:21:54,282 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:21:54,283 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:21:54,285 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:21:54,290 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:21:54,292 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:21:54,294 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:21:54,302 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:21:54,304 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:21:54,305 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:21:54,308 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:21:54,309 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:21:54,309 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:21:54,310 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:21:54,311 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:21:54,312 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:21:54,313 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:21:54,314 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:21:54,315 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:21:54,316 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:21:54,317 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:21:54,318 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:21:54,318 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:21:54,319 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:21:54,319 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:21:54,320 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:21:54,321 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:21:54,321 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46059d04-006f-401c-8385-8f80488e8944/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-11 00:21:54,353 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:21:54,353 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:21:54,355 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:21:54,355 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:21:54,355 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:21:54,355 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-11 00:21:54,356 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-11 00:21:54,356 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-11 00:21:54,356 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-11 00:21:54,356 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-11 00:21:54,356 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-11 00:21:54,357 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:21:54,357 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-11 00:21:54,357 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:21:54,357 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:21:54,358 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-11 00:21:54,358 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-11 00:21:54,358 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-11 00:21:54,358 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:21:54,358 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-11 00:21:54,359 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:21:54,359 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-11 00:21:54,359 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:21:54,359 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:21:54,360 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:21:54,360 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:21:54,360 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:21:54,361 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-11 00:21:54,361 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_46059d04-006f-401c-8385-8f80488e8944/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46059d04-006f-401c-8385-8f80488e8944/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 07d66c4a8707cd8197105d63e3dee30aff715401 [2021-10-11 00:21:54,618 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:21:54,648 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:21:54,651 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:21:54,652 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:21:54,655 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:21:54,656 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46059d04-006f-401c-8385-8f80488e8944/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-random1d-2.c [2021-10-11 00:21:54,738 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46059d04-006f-401c-8385-8f80488e8944/bin/uautomizer-Z5i5R5N3CC/data/28f4671f8/cc21f17a573c42669e82f34c0a61600d/FLAG1f8d569f7 [2021-10-11 00:21:55,263 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:21:55,264 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46059d04-006f-401c-8385-8f80488e8944/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-random1d-2.c [2021-10-11 00:21:55,282 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46059d04-006f-401c-8385-8f80488e8944/bin/uautomizer-Z5i5R5N3CC/data/28f4671f8/cc21f17a573c42669e82f34c0a61600d/FLAG1f8d569f7 [2021-10-11 00:21:55,652 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46059d04-006f-401c-8385-8f80488e8944/bin/uautomizer-Z5i5R5N3CC/data/28f4671f8/cc21f17a573c42669e82f34c0a61600d [2021-10-11 00:21:55,655 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:21:55,657 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:21:55,658 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:21:55,659 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:21:55,662 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:21:55,663 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:21:55" (1/1) ... [2021-10-11 00:21:55,665 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38f517ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:55, skipping insertion in model container [2021-10-11 00:21:55,665 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:21:55" (1/1) ... [2021-10-11 00:21:55,673 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:21:55,690 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:21:55,850 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:21:55,853 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:21:55,894 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:21:55,913 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:21:55,915 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:55 WrapperNode [2021-10-11 00:21:55,915 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:21:55,918 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:21:55,918 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:21:55,918 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:21:55,927 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:55" (1/1) ... [2021-10-11 00:21:55,935 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:55" (1/1) ... [2021-10-11 00:21:55,958 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:21:55,961 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:21:55,961 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:21:55,962 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:21:55,970 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:55" (1/1) ... [2021-10-11 00:21:55,971 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:55" (1/1) ... [2021-10-11 00:21:55,971 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:55" (1/1) ... [2021-10-11 00:21:55,972 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:55" (1/1) ... [2021-10-11 00:21:55,975 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:55" (1/1) ... [2021-10-11 00:21:55,987 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:55" (1/1) ... [2021-10-11 00:21:55,988 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:55" (1/1) ... [2021-10-11 00:21:55,990 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:21:55,991 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:21:55,991 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:21:55,992 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:21:55,993 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:55" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46059d04-006f-401c-8385-8f80488e8944/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 00:21:56,077 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:21:56,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:21:56,208 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:21:56,208 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-10-11 00:21:56,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:21:56 BoogieIcfgContainer [2021-10-11 00:21:56,210 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:21:56,211 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-11 00:21:56,211 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-11 00:21:56,213 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-11 00:21:56,214 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-11 00:21:56,214 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 11.10 12:21:55" (1/3) ... [2021-10-11 00:21:56,215 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5be1e1cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 11.10 12:21:56, skipping insertion in model container [2021-10-11 00:21:56,215 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-11 00:21:56,216 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:55" (2/3) ... [2021-10-11 00:21:56,216 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5be1e1cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 11.10 12:21:56, skipping insertion in model container [2021-10-11 00:21:56,216 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-11 00:21:56,216 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:21:56" (3/3) ... [2021-10-11 00:21:56,218 INFO L389 chiAutomizerObserver]: Analyzing ICFG AliasDarteFeautrierGonnord-SAS2010-random1d-2.c [2021-10-11 00:21:56,263 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-11 00:21:56,263 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-11 00:21:56,263 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-11 00:21:56,263 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:21:56,264 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:21:56,264 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-11 00:21:56,264 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:21:56,264 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-11 00:21:56,275 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states. [2021-10-11 00:21:56,290 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-11 00:21:56,290 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-11 00:21:56,290 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-11 00:21:56,295 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-11 00:21:56,295 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-11 00:21:56,295 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-11 00:21:56,295 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states. [2021-10-11 00:21:56,296 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-11 00:21:56,296 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-11 00:21:56,297 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-11 00:21:56,297 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-11 00:21:56,297 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-11 00:21:56,303 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_~a~0, main_~x~0, main_~max~0;havoc main_~a~0;havoc main_~x~0;havoc main_~max~0;main_~max~0 := main_#t~nondet0;havoc main_#t~nondet0; 5#L16true assume main_~max~0 > 0;main_~a~0 := 0;main_~x~0 := 1; 6#L19-2true [2021-10-11 00:21:56,303 INFO L796 eck$LassoCheckResult]: Loop: 6#L19-2true assume !!(main_~x~0 < main_~max~0); 11#L20true assume 0 != main_#t~nondet1;havoc main_#t~nondet1;main_~a~0 := 1 + main_~a~0; 9#L20-2true main_~x~0 := 1 + main_~x~0; 6#L19-2true [2021-10-11 00:21:56,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:21:56,308 INFO L82 PathProgramCache]: Analyzing trace with hash 996, now seen corresponding path program 1 times [2021-10-11 00:21:56,316 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:21:56,316 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264192092] [2021-10-11 00:21:56,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:21:56,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:21:56,391 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:21:56,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:21:56,397 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:21:56,413 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:21:56,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:21:56,415 INFO L82 PathProgramCache]: Analyzing trace with hash 42800, now seen corresponding path program 1 times [2021-10-11 00:21:56,416 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:21:56,416 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372925211] [2021-10-11 00:21:56,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:21:56,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:21:56,429 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:21:56,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:21:56,435 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:21:56,437 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:21:56,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:21:56,439 INFO L82 PathProgramCache]: Analyzing trace with hash 29684845, now seen corresponding path program 1 times [2021-10-11 00:21:56,439 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:21:56,440 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744458796] [2021-10-11 00:21:56,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:21:56,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:21:56,450 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:21:56,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:21:56,482 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:21:56,486 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:21:56,571 INFO L210 LassoAnalysis]: Preferences: [2021-10-11 00:21:56,571 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-11 00:21:56,571 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-11 00:21:56,572 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-11 00:21:56,572 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-11 00:21:56,572 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:21:56,572 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-11 00:21:56,572 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-11 00:21:56,573 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-random1d-2.c_Iteration1_Loop [2021-10-11 00:21:56,573 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-11 00:21:56,573 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2021-10-11 00:21:56,595 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 00:21:56,618 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 00:21:56,623 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 00:21:56,634 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 00:21:56,640 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 00:21:56,801 INFO L292 LassoAnalysis]: Preprocessing complete. [2021-10-11 00:21:56,801 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46059d04-006f-401c-8385-8f80488e8944/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) [2021-10-11 00:21:56,811 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-11 00:21:56,811 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:21:56,844 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-11 00:21:56,844 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46059d04-006f-401c-8385-8f80488e8944/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 00:21:56,887 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-11 00:21:56,887 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 00:21:56,907 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-11 00:21:56,907 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46059d04-006f-401c-8385-8f80488e8944/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 00:21:56,944 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-11 00:21:56,944 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46059d04-006f-401c-8385-8f80488e8944/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 00:21:56,988 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-11 00:21:56,988 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-11 00:21:57,149 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-11 00:21:57,151 INFO L210 LassoAnalysis]: Preferences: [2021-10-11 00:21:57,151 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-11 00:21:57,151 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-11 00:21:57,151 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-11 00:21:57,151 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-11 00:21:57,151 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:21:57,152 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-11 00:21:57,152 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-11 00:21:57,152 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-random1d-2.c_Iteration1_Loop [2021-10-11 00:21:57,152 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-11 00:21:57,152 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2021-10-11 00:21:57,154 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 00:21:57,165 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 00:21:57,169 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 00:21:57,178 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 00:21:57,182 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 00:21:57,245 INFO L292 LassoAnalysis]: Preprocessing complete. [2021-10-11 00:21:57,250 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46059d04-006f-401c-8385-8f80488e8944/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 6 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 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:21:57,268 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 00:21:57,279 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:21:57,280 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:21:57,280 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:21:57,280 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:21:57,286 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-11 00:21:57,286 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-11 00:21:57,303 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46059d04-006f-401c-8385-8f80488e8944/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:21:57,347 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 00:21:57,348 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:21:57,349 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:21:57,349 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:21:57,349 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:21:57,353 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-11 00:21:57,353 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:21:57,378 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46059d04-006f-401c-8385-8f80488e8944/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:21:57,404 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 00:21:57,406 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:21:57,406 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:21:57,407 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:21:57,407 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:21:57,407 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:21:57,411 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:21:57,411 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:21:57,434 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-11 00:21:57,441 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2021-10-11 00:21:57,441 INFO L444 ModelExtractionUtils]: 0 out of 4 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_46059d04-006f-401c-8385-8f80488e8944/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:21:57,449 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-11 00:21:57,449 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-11 00:21:57,449 INFO L510 LassoAnalysis]: Proved termination. [2021-10-11 00:21:57,450 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0, ULTIMATE.start_main_~max~0) = -1*ULTIMATE.start_main_~x~0 + 1*ULTIMATE.start_main_~max~0 Supporting invariants [] Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:21:57,476 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-11 00:21:57,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:21:57,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:21:57,521 INFO L263 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 00:21:57,522 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:21:57,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:21:57,542 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-11 00:21:57,543 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:21:57,566 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 00:21:57,585 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-11 00:21:57,586 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 9 states. Second operand 3 states. [2021-10-11 00:21:57,639 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 9 states.. Second operand 3 states. Result 24 states and 30 transitions. Complement of second has 7 states. [2021-10-11 00:21:57,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-11 00:21:57,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-11 00:21:57,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 18 transitions. [2021-10-11 00:21:57,643 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 2 letters. Loop has 3 letters. [2021-10-11 00:21:57,644 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-11 00:21:57,645 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 5 letters. Loop has 3 letters. [2021-10-11 00:21:57,645 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-11 00:21:57,645 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 2 letters. Loop has 6 letters. [2021-10-11 00:21:57,646 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-11 00:21:57,647 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 30 transitions. [2021-10-11 00:21:57,653 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-11 00:21:57,656 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 0 states and 0 transitions. [2021-10-11 00:21:57,657 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-11 00:21:57,657 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-11 00:21:57,658 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-11 00:21:57,658 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-11 00:21:57,658 INFO L692 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:21:57,658 INFO L715 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:21:57,658 INFO L595 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:21:57,658 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-11 00:21:57,659 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-11 00:21:57,659 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-11 00:21:57,659 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-11 00:21:57,665 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 11.10 12:21:57 BoogieIcfgContainer [2021-10-11 00:21:57,665 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-11 00:21:57,666 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:21:57,666 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:21:57,666 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:21:57,667 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:21:56" (3/4) ... [2021-10-11 00:21:57,670 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-11 00:21:57,670 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:21:57,674 INFO L168 Benchmark]: Toolchain (without parser) took 2014.43 ms. Allocated memory was 92.3 MB in the beginning and 117.4 MB in the end (delta: 25.2 MB). Free memory was 63.9 MB in the beginning and 75.3 MB in the end (delta: -11.3 MB). Peak memory consumption was 13.7 MB. Max. memory is 16.1 GB. [2021-10-11 00:21:57,675 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 92.3 MB. Free memory is still 49.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:21:57,679 INFO L168 Benchmark]: CACSL2BoogieTranslator took 257.63 ms. Allocated memory is still 92.3 MB. Free memory was 63.7 MB in the beginning and 70.3 MB in the end (delta: -6.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 00:21:57,680 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.92 ms. Allocated memory is still 92.3 MB. Free memory was 70.3 MB in the beginning and 69.1 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:21:57,681 INFO L168 Benchmark]: Boogie Preprocessor took 29.58 ms. Allocated memory is still 92.3 MB. Free memory was 69.1 MB in the beginning and 68.2 MB in the end (delta: 931.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:21:57,682 INFO L168 Benchmark]: RCFGBuilder took 218.47 ms. Allocated memory is still 92.3 MB. Free memory was 68.2 MB in the beginning and 59.5 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 00:21:57,684 INFO L168 Benchmark]: BuchiAutomizer took 1454.52 ms. Allocated memory was 92.3 MB in the beginning and 117.4 MB in the end (delta: 25.2 MB). Free memory was 59.5 MB in the beginning and 75.3 MB in the end (delta: -15.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-11 00:21:57,685 INFO L168 Benchmark]: Witness Printer took 4.82 ms. Allocated memory is still 117.4 MB. Free memory is still 75.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:21:57,697 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 92.3 MB. Free memory is still 49.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 257.63 ms. Allocated memory is still 92.3 MB. Free memory was 63.7 MB in the beginning and 70.3 MB in the end (delta: -6.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 41.92 ms. Allocated memory is still 92.3 MB. Free memory was 70.3 MB in the beginning and 69.1 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 29.58 ms. Allocated memory is still 92.3 MB. Free memory was 69.1 MB in the beginning and 68.2 MB in the end (delta: 931.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 218.47 ms. Allocated memory is still 92.3 MB. Free memory was 68.2 MB in the beginning and 59.5 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 1454.52 ms. Allocated memory was 92.3 MB in the beginning and 117.4 MB in the end (delta: 25.2 MB). Free memory was 59.5 MB in the beginning and 75.3 MB in the end (delta: -15.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Witness Printer took 4.82 ms. Allocated memory is still 117.4 MB. Free memory is still 75.3 MB. There was no memory consumed. 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 -1 * x + max and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.4s 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 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 11 SDtfs, 11 SDslu, 8 SDs, 0 SdLazy, 6 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital19 mio100 ax163 hnf100 lsp32 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 52ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...