./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted/Madrid.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_5a7cb378-3cfb-46d0-8f30-4d179fcc8148/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a7cb378-3cfb-46d0-8f30-4d179fcc8148/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_5a7cb378-3cfb-46d0-8f30-4d179fcc8148/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a7cb378-3cfb-46d0-8f30-4d179fcc8148/bin/uautomizer-Z5i5R5N3CC/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/Madrid.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a7cb378-3cfb-46d0-8f30-4d179fcc8148/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_5a7cb378-3cfb-46d0-8f30-4d179fcc8148/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 a2e3cac0a2b7a3ca917b5aba0246714aae086d70 ........................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 00:23:54,242 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:23:54,244 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:23:54,291 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:23:54,292 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:23:54,293 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:23:54,295 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:23:54,298 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:23:54,300 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:23:54,301 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:23:54,302 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:23:54,304 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:23:54,305 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:23:54,306 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:23:54,307 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:23:54,309 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:23:54,310 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:23:54,311 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:23:54,313 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:23:54,316 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:23:54,318 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:23:54,319 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:23:54,321 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:23:54,322 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:23:54,326 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:23:54,326 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:23:54,327 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:23:54,328 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:23:54,328 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:23:54,330 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:23:54,330 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:23:54,331 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:23:54,332 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:23:54,333 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:23:54,334 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:23:54,335 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:23:54,335 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:23:54,336 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:23:54,336 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:23:54,337 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:23:54,338 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:23:54,338 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a7cb378-3cfb-46d0-8f30-4d179fcc8148/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-11 00:23:54,363 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:23:54,364 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:23:54,365 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:23:54,365 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:23:54,365 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:23:54,365 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-11 00:23:54,365 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-11 00:23:54,365 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-11 00:23:54,366 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-11 00:23:54,366 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-11 00:23:54,366 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-11 00:23:54,366 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:23:54,366 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-11 00:23:54,366 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:23:54,367 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:23:54,367 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-11 00:23:54,367 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-11 00:23:54,367 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-11 00:23:54,367 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:23:54,368 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-11 00:23:54,368 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:23:54,368 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-11 00:23:54,368 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:23:54,368 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:23:54,369 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:23:54,369 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:23:54,369 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:23:54,370 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-11 00:23:54,370 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_5a7cb378-3cfb-46d0-8f30-4d179fcc8148/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a7cb378-3cfb-46d0-8f30-4d179fcc8148/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a2e3cac0a2b7a3ca917b5aba0246714aae086d70 [2021-10-11 00:23:54,676 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:23:54,697 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:23:54,700 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:23:54,701 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:23:54,706 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:23:54,707 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a7cb378-3cfb-46d0-8f30-4d179fcc8148/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/termination-crafted/Madrid.c [2021-10-11 00:23:54,779 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a7cb378-3cfb-46d0-8f30-4d179fcc8148/bin/uautomizer-Z5i5R5N3CC/data/8f82109ca/ecb6fee0cc02424da871010a0fff4644/FLAG20516c78d [2021-10-11 00:23:55,324 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:23:55,325 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a7cb378-3cfb-46d0-8f30-4d179fcc8148/sv-benchmarks/c/termination-crafted/Madrid.c [2021-10-11 00:23:55,336 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a7cb378-3cfb-46d0-8f30-4d179fcc8148/bin/uautomizer-Z5i5R5N3CC/data/8f82109ca/ecb6fee0cc02424da871010a0fff4644/FLAG20516c78d [2021-10-11 00:23:55,788 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a7cb378-3cfb-46d0-8f30-4d179fcc8148/bin/uautomizer-Z5i5R5N3CC/data/8f82109ca/ecb6fee0cc02424da871010a0fff4644 [2021-10-11 00:23:55,792 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:23:55,794 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:23:55,795 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:23:55,796 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:23:55,808 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:23:55,809 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:23:55" (1/1) ... [2021-10-11 00:23:55,811 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36fe49de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:23:55, skipping insertion in model container [2021-10-11 00:23:55,811 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:23:55" (1/1) ... [2021-10-11 00:23:55,819 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:23:55,830 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:23:56,036 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:23:56,054 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:23:56,074 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:23:56,086 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:23:56,087 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:23:56 WrapperNode [2021-10-11 00:23:56,088 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:23:56,089 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:23:56,089 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:23:56,089 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:23:56,097 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:23:56" (1/1) ... [2021-10-11 00:23:56,102 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:23:56" (1/1) ... [2021-10-11 00:23:56,117 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:23:56,120 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:23:56,121 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:23:56,121 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:23:56,129 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:23:56" (1/1) ... [2021-10-11 00:23:56,130 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:23:56" (1/1) ... [2021-10-11 00:23:56,131 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:23:56" (1/1) ... [2021-10-11 00:23:56,131 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:23:56" (1/1) ... [2021-10-11 00:23:56,134 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:23:56" (1/1) ... [2021-10-11 00:23:56,137 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:23:56" (1/1) ... [2021-10-11 00:23:56,139 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:23:56" (1/1) ... [2021-10-11 00:23:56,140 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:23:56,141 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:23:56,141 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:23:56,141 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:23:56,143 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:23:56" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a7cb378-3cfb-46d0-8f30-4d179fcc8148/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 00:23:56,229 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:23:56,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:23:56,348 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:23:56,348 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-10-11 00:23:56,351 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:23:56 BoogieIcfgContainer [2021-10-11 00:23:56,351 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:23:56,352 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-11 00:23:56,352 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-11 00:23:56,355 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-11 00:23:56,356 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-11 00:23:56,357 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 11.10 12:23:55" (1/3) ... [2021-10-11 00:23:56,358 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@36064d67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 11.10 12:23:56, skipping insertion in model container [2021-10-11 00:23:56,358 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-11 00:23:56,359 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:23:56" (2/3) ... [2021-10-11 00:23:56,359 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@36064d67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 11.10 12:23:56, skipping insertion in model container [2021-10-11 00:23:56,360 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-11 00:23:56,360 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:23:56" (3/3) ... [2021-10-11 00:23:56,362 INFO L389 chiAutomizerObserver]: Analyzing ICFG Madrid.c [2021-10-11 00:23:56,423 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-11 00:23:56,423 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-11 00:23:56,423 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-11 00:23:56,424 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:23:56,424 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:23:56,424 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-11 00:23:56,424 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:23:56,424 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-11 00:23:56,435 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states. [2021-10-11 00:23:56,452 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-10-11 00:23:56,452 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-11 00:23:56,453 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-11 00:23:56,458 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1] [2021-10-11 00:23:56,458 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-10-11 00:23:56,458 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-11 00:23:56,459 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states. [2021-10-11 00:23:56,460 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-10-11 00:23:56,460 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-11 00:23:56,460 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-11 00:23:56,460 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1] [2021-10-11 00:23:56,460 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-10-11 00:23:56,467 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_~x~0;havoc main_~x~0;main_~x~0 := 7; 6#L14-2true [2021-10-11 00:23:56,467 INFO L796 eck$LassoCheckResult]: Loop: 6#L14-2true assume !!(0 != ~unnamed0~0~true);main_~x~0 := 2; 6#L14-2true [2021-10-11 00:23:56,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:23:56,475 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2021-10-11 00:23:56,484 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:23:56,486 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609441368] [2021-10-11 00:23:56,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:23:56,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:23:56,565 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:23:56,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:23:56,573 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:23:56,591 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:23:56,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:23:56,597 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 1 times [2021-10-11 00:23:56,597 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:23:56,598 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239122369] [2021-10-11 00:23:56,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:23:56,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:23:56,608 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:23:56,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:23:56,613 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:23:56,617 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:23:56,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:23:56,630 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2021-10-11 00:23:56,630 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:23:56,631 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531730911] [2021-10-11 00:23:56,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:23:56,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:23:56,639 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:23:56,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:23:56,646 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:23:56,648 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:23:56,749 INFO L210 LassoAnalysis]: Preferences: [2021-10-11 00:23:56,762 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-11 00:23:56,762 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-11 00:23:56,763 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-11 00:23:56,763 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-11 00:23:56,763 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:23:56,763 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-11 00:23:56,764 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-11 00:23:56,764 INFO L133 ssoRankerPreferences]: Filename of dumped script: Madrid.c_Iteration1_Lasso [2021-10-11 00:23:56,764 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-11 00:23:56,765 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2021-10-11 00:23:56,804 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 00:23:56,842 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 00:23:56,866 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 00:23:56,881 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 00:23:57,040 INFO L292 LassoAnalysis]: Preprocessing complete. [2021-10-11 00:23:57,040 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a7cb378-3cfb-46d0-8f30-4d179fcc8148/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 00:23:57,054 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-11 00:23:57,054 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-11 00:23:57,066 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-11 00:23:57,066 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_5a7cb378-3cfb-46d0-8f30-4d179fcc8148/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 00:23:57,099 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-11 00:23:57,100 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 00:23:57,117 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-11 00:23:57,118 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_5a7cb378-3cfb-46d0-8f30-4d179fcc8148/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 00:23:57,142 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-11 00:23:57,142 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-11 00:23:57,162 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-11 00:23:57,163 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a7cb378-3cfb-46d0-8f30-4d179fcc8148/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) [2021-10-11 00:23:57,187 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-11 00:23:57,187 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a7cb378-3cfb-46d0-8f30-4d179fcc8148/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 00:23:57,230 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-11 00:23:57,231 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-11 00:23:57,255 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-11 00:23:57,255 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0=0} Honda state: {ULTIMATE.start_main_~x~0=7} Generalized eigenvectors: [{ULTIMATE.start_main_~x~0=0}, {ULTIMATE.start_main_~x~0=-7}, {ULTIMATE.start_main_~x~0=2}] Lambdas: [10, 0, 0] Nus: [0, 0] [2021-10-11 00:23:57,278 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2021-10-11 00:23:57,280 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2021-10-11 00:23:57,294 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2021-10-11 00:23:57,295 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2021-10-11 00:23:57,295 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2021-10-11 00:23:57,295 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2021-10-11 00:23:57,306 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 11.10 12:23:57 BoogieIcfgContainer [2021-10-11 00:23:57,306 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-11 00:23:57,307 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:23:57,307 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:23:57,308 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:23:57,309 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:23:56" (3/4) ... [2021-10-11 00:23:57,313 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-10-11 00:23:57,351 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a7cb378-3cfb-46d0-8f30-4d179fcc8148/bin/uautomizer-Z5i5R5N3CC/witness.graphml [2021-10-11 00:23:57,353 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:23:57,356 INFO L168 Benchmark]: Toolchain (without parser) took 1560.19 ms. Allocated memory is still 121.6 MB. Free memory was 84.4 MB in the beginning and 53.7 MB in the end (delta: 30.7 MB). Peak memory consumption was 28.7 MB. Max. memory is 16.1 GB. [2021-10-11 00:23:57,357 INFO L168 Benchmark]: CDTParser took 0.48 ms. Allocated memory is still 121.6 MB. Free memory is still 101.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:23:57,363 INFO L168 Benchmark]: CACSL2BoogieTranslator took 293.03 ms. Allocated memory is still 121.6 MB. Free memory was 84.2 MB in the beginning and 98.6 MB in the end (delta: -14.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 00:23:57,366 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.47 ms. Allocated memory is still 121.6 MB. Free memory was 98.6 MB in the beginning and 97.5 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:23:57,368 INFO L168 Benchmark]: Boogie Preprocessor took 19.29 ms. Allocated memory is still 121.6 MB. Free memory was 97.5 MB in the beginning and 96.6 MB in the end (delta: 912.7 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:23:57,369 INFO L168 Benchmark]: RCFGBuilder took 210.26 ms. Allocated memory is still 121.6 MB. Free memory was 96.6 MB in the beginning and 89.1 MB in the end (delta: 7.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-11 00:23:57,370 INFO L168 Benchmark]: BuchiAutomizer took 954.65 ms. Allocated memory is still 121.6 MB. Free memory was 89.1 MB in the beginning and 55.2 MB in the end (delta: 33.9 MB). Peak memory consumption was 33.6 MB. Max. memory is 16.1 GB. [2021-10-11 00:23:57,373 INFO L168 Benchmark]: Witness Printer took 45.97 ms. Allocated memory is still 121.6 MB. Free memory was 55.2 MB in the beginning and 53.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:23:57,378 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48 ms. Allocated memory is still 121.6 MB. Free memory is still 101.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 293.03 ms. Allocated memory is still 121.6 MB. Free memory was 84.2 MB in the beginning and 98.6 MB in the end (delta: -14.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 29.47 ms. Allocated memory is still 121.6 MB. Free memory was 98.6 MB in the beginning and 97.5 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 19.29 ms. Allocated memory is still 121.6 MB. Free memory was 97.5 MB in the beginning and 96.6 MB in the end (delta: 912.7 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 210.26 ms. Allocated memory is still 121.6 MB. Free memory was 96.6 MB in the beginning and 89.1 MB in the end (delta: 7.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 954.65 ms. Allocated memory is still 121.6 MB. Free memory was 89.1 MB in the beginning and 55.2 MB in the end (delta: 33.9 MB). Peak memory consumption was 33.6 MB. Max. memory is 16.1 GB. * Witness Printer took 45.97 ms. Allocated memory is still 121.6 MB. Free memory was 55.2 MB in the beginning and 53.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one nonterminating module. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.8s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 0.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: No data available LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital6 mio100 ax333 hnf100 lsp30 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq233 hnf100 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 3 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - GeometricNonTerminationArgumentResult [Line: 14]: Nontermination argument in form of an infinite program execution. [2021-10-11 00:23:57,390 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2021-10-11 00:23:57,391 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2021-10-11 00:23:57,392 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2021-10-11 00:23:57,392 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2021-10-11 00:23:57,393 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2021-10-11 00:23:57,393 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2021-10-11 00:23:57,394 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2021-10-11 00:23:57,394 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2021-10-11 00:23:57,394 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2021-10-11 00:23:57,397 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2021-10-11 00:23:57,398 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2021-10-11 00:23:57,398 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false Nontermination argument in form of an infinite execution State at position 0 is {~unnamed0~0~true=1, \result=0, ~unnamed0~0~false=0, x=0} State at position 1 is {~unnamed0~0~true=1, \result=0, ~unnamed0~0~false=0, x=7} For i>1, the state at position i is {~unnamed0~0~true=1 + sum_{k=0}^i 0, \result=0 + sum_{k=0}^i 0, ~unnamed0~0~false=0 + sum_{k=0}^i 0, x=7 + sum_{k=0}^i -7*0^k + 2*0^k} - StatisticsResult: NonterminationArgumentStatistics Unbounded Execution 2GEVs Lambdas: [10, 0, 0] Mus: [0, 0] - NonterminatingLassoResult [Line: 14]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L12] int x; [L13] x = 7 Loop: [L14] COND TRUE \read(true) [L15] x = 2 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...