./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 a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_2898cd8d-5e3a-4841-8344-ec63cd7465f2/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_2898cd8d-5e3a-4841-8344-ec63cd7465f2/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_2898cd8d-5e3a-4841-8344-ec63cd7465f2/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_2898cd8d-5e3a-4841-8344-ec63cd7465f2/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/Madrid.c -s /tmp/vcloud-vcloud-master/worker/run_dir_2898cd8d-5e3a-4841-8344-ec63cd7465f2/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_2898cd8d-5e3a-4841-8344-ec63cd7465f2/bin/uautomizer --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-a4ecdab [2020-11-29 21:13:34,164 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 21:13:34,167 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 21:13:34,228 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 21:13:34,229 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 21:13:34,233 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 21:13:34,236 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 21:13:34,247 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 21:13:34,249 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 21:13:34,250 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 21:13:34,252 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 21:13:34,253 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 21:13:34,254 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 21:13:34,255 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 21:13:34,256 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 21:13:34,263 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 21:13:34,265 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 21:13:34,273 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 21:13:34,276 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 21:13:34,284 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 21:13:34,287 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 21:13:34,289 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 21:13:34,291 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 21:13:34,292 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 21:13:34,301 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 21:13:34,301 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 21:13:34,302 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 21:13:34,304 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 21:13:34,305 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 21:13:34,306 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 21:13:34,306 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 21:13:34,307 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 21:13:34,309 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 21:13:34,311 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 21:13:34,312 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 21:13:34,312 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 21:13:34,313 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 21:13:34,313 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 21:13:34,313 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 21:13:34,314 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 21:13:34,315 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 21:13:34,316 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_2898cd8d-5e3a-4841-8344-ec63cd7465f2/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-11-29 21:13:34,355 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 21:13:34,355 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 21:13:34,358 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 21:13:34,358 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 21:13:34,358 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 21:13:34,358 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-29 21:13:34,359 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-29 21:13:34,359 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-29 21:13:34,359 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-29 21:13:34,359 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-29 21:13:34,360 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-29 21:13:34,361 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 21:13:34,361 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-29 21:13:34,361 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 21:13:34,361 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 21:13:34,361 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-29 21:13:34,362 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-29 21:13:34,362 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-29 21:13:34,362 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 21:13:34,362 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-29 21:13:34,362 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 21:13:34,363 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-29 21:13:34,363 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 21:13:34,363 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 21:13:34,363 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-29 21:13:34,364 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 21:13:34,364 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 21:13:34,364 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 21:13:34,364 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-29 21:13:34,367 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-29 21:13:34,367 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-vcloud-master/worker/run_dir_2898cd8d-5e3a-4841-8344-ec63cd7465f2/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_2898cd8d-5e3a-4841-8344-ec63cd7465f2/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a2e3cac0a2b7a3ca917b5aba0246714aae086d70 [2020-11-29 21:13:34,679 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 21:13:34,714 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 21:13:34,717 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 21:13:34,719 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 21:13:34,723 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 21:13:34,724 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_2898cd8d-5e3a-4841-8344-ec63cd7465f2/bin/uautomizer/../../sv-benchmarks/c/termination-crafted/Madrid.c [2020-11-29 21:13:34,800 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2898cd8d-5e3a-4841-8344-ec63cd7465f2/bin/uautomizer/data/fe8b1e85f/a79bd1cff0e84b85a6ff6430ab9033cc/FLAG28b90446b [2020-11-29 21:13:35,346 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 21:13:35,347 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_2898cd8d-5e3a-4841-8344-ec63cd7465f2/sv-benchmarks/c/termination-crafted/Madrid.c [2020-11-29 21:13:35,358 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2898cd8d-5e3a-4841-8344-ec63cd7465f2/bin/uautomizer/data/fe8b1e85f/a79bd1cff0e84b85a6ff6430ab9033cc/FLAG28b90446b [2020-11-29 21:13:35,759 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_2898cd8d-5e3a-4841-8344-ec63cd7465f2/bin/uautomizer/data/fe8b1e85f/a79bd1cff0e84b85a6ff6430ab9033cc [2020-11-29 21:13:35,762 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 21:13:35,766 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 21:13:35,782 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 21:13:35,782 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 21:13:35,785 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 21:13:35,786 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 09:13:35" (1/1) ... [2020-11-29 21:13:35,787 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78a8127a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:13:35, skipping insertion in model container [2020-11-29 21:13:35,787 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 09:13:35" (1/1) ... [2020-11-29 21:13:35,795 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 21:13:35,805 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 21:13:35,985 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 21:13:35,989 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 21:13:36,017 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 21:13:36,029 INFO L208 MainTranslator]: Completed translation [2020-11-29 21:13:36,030 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:13:36 WrapperNode [2020-11-29 21:13:36,030 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 21:13:36,032 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 21:13:36,032 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 21:13:36,032 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 21:13:36,043 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:13:36" (1/1) ... [2020-11-29 21:13:36,049 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:13:36" (1/1) ... [2020-11-29 21:13:36,065 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 21:13:36,067 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 21:13:36,067 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 21:13:36,067 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 21:13:36,075 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:13:36" (1/1) ... [2020-11-29 21:13:36,075 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:13:36" (1/1) ... [2020-11-29 21:13:36,076 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:13:36" (1/1) ... [2020-11-29 21:13:36,076 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:13:36" (1/1) ... [2020-11-29 21:13:36,079 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:13:36" (1/1) ... [2020-11-29 21:13:36,082 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:13:36" (1/1) ... [2020-11-29 21:13:36,083 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:13:36" (1/1) ... [2020-11-29 21:13:36,084 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 21:13:36,086 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 21:13:36,086 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 21:13:36,087 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 21:13:36,088 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:13:36" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2898cd8d-5e3a-4841-8344-ec63cd7465f2/bin/uautomizer/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 [2020-11-29 21:13:36,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 21:13:36,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 21:13:36,276 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 21:13:36,276 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-11-29 21:13:36,278 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 09:13:36 BoogieIcfgContainer [2020-11-29 21:13:36,278 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 21:13:36,279 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-29 21:13:36,279 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-29 21:13:36,283 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-29 21:13:36,284 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 21:13:36,284 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.11 09:13:35" (1/3) ... [2020-11-29 21:13:36,285 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@469d35d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 09:13:36, skipping insertion in model container [2020-11-29 21:13:36,285 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 21:13:36,286 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:13:36" (2/3) ... [2020-11-29 21:13:36,287 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@469d35d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 09:13:36, skipping insertion in model container [2020-11-29 21:13:36,287 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 21:13:36,287 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 09:13:36" (3/3) ... [2020-11-29 21:13:36,289 INFO L373 chiAutomizerObserver]: Analyzing ICFG Madrid.c [2020-11-29 21:13:36,352 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-29 21:13:36,352 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-29 21:13:36,352 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-29 21:13:36,353 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 21:13:36,353 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 21:13:36,353 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-29 21:13:36,353 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 21:13:36,353 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-29 21:13:36,365 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states. [2020-11-29 21:13:36,383 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-11-29 21:13:36,383 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 21:13:36,383 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 21:13:36,389 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-11-29 21:13:36,389 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-11-29 21:13:36,389 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-29 21:13:36,389 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states. [2020-11-29 21:13:36,390 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-11-29 21:13:36,390 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 21:13:36,390 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 21:13:36,391 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-11-29 21:13:36,391 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-11-29 21:13:36,397 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 [2020-11-29 21:13:36,398 INFO L796 eck$LassoCheckResult]: Loop: 6#L14-2true assume !!(0 != ~unnamed0~0~true);main_~x~0 := 2; 6#L14-2true [2020-11-29 21:13:36,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:13:36,408 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2020-11-29 21:13:36,418 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:13:36,418 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820418657] [2020-11-29 21:13:36,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:13:36,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:13:36,499 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:13:36,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:13:36,508 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:13:36,526 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 21:13:36,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:13:36,531 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 1 times [2020-11-29 21:13:36,531 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:13:36,532 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634402729] [2020-11-29 21:13:36,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:13:36,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:13:36,542 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:13:36,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:13:36,549 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:13:36,552 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 21:13:36,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:13:36,564 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2020-11-29 21:13:36,564 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:13:36,565 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651863623] [2020-11-29 21:13:36,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:13:36,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:13:36,570 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:13:36,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:13:36,579 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:13:36,580 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 21:13:36,751 INFO L210 LassoAnalysis]: Preferences: [2020-11-29 21:13:36,752 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-29 21:13:36,752 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-29 21:13:36,752 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-29 21:13:36,753 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-11-29 21:13:36,753 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:13:36,753 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-29 21:13:36,753 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-29 21:13:36,754 INFO L133 ssoRankerPreferences]: Filename of dumped script: Madrid.c_Iteration1_Lasso [2020-11-29 21:13:36,754 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-29 21:13:36,754 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-29 21:13:36,781 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:13:36,813 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:13:36,833 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:13:36,843 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:13:36,973 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-29 21:13:36,974 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2898cd8d-5e3a-4841-8344-ec63cd7465f2/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 21:13:36,984 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-29 21:13:36,984 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 [2020-11-29 21:13:36,993 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-29 21:13:36,993 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-vcloud-master/worker/run_dir_2898cd8d-5e3a-4841-8344-ec63cd7465f2/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 21:13:37,039 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-29 21:13:37,039 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 [2020-11-29 21:13:37,044 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-29 21:13:37,044 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-vcloud-master/worker/run_dir_2898cd8d-5e3a-4841-8344-ec63cd7465f2/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 21:13:37,084 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-29 21:13:37,084 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:13:37,088 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-29 21:13:37,088 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-vcloud-master/worker/run_dir_2898cd8d-5e3a-4841-8344-ec63cd7465f2/bin/uautomizer/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 [2020-11-29 21:13:37,128 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-29 21:13:37,128 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2898cd8d-5e3a-4841-8344-ec63cd7465f2/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 21:13:37,175 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-11-29 21:13:37,175 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:13:37,191 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-29 21:13:37,191 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=-5}, {ULTIMATE.start_main_~x~0=-1}, {ULTIMATE.start_main_~x~0=1}] Lambdas: [0, 1, 0] Nus: [0, 1] [2020-11-29 21:13:37,230 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-11-29 21:13:37,233 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-11-29 21:13:37,234 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-11-29 21:13:37,234 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-11-29 21:13:37,238 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-11-29 21:13:37,239 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-11-29 21:13:37,249 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.11 09:13:37 BoogieIcfgContainer [2020-11-29 21:13:37,249 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-29 21:13:37,250 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 21:13:37,250 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 21:13:37,250 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 21:13:37,255 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 09:13:36" (3/4) ... [2020-11-29 21:13:37,258 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2020-11-29 21:13:37,306 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_2898cd8d-5e3a-4841-8344-ec63cd7465f2/bin/uautomizer/witness.graphml [2020-11-29 21:13:37,306 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 21:13:37,308 INFO L168 Benchmark]: Toolchain (without parser) took 1541.56 ms. Allocated memory is still 132.1 MB. Free memory was 102.3 MB in the beginning and 65.4 MB in the end (delta: 36.9 MB). Peak memory consumption was 32.8 MB. Max. memory is 16.1 GB. [2020-11-29 21:13:37,322 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 81.8 MB. Free memory was 42.3 MB in the beginning and 42.2 MB in the end (delta: 40.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 21:13:37,323 INFO L168 Benchmark]: CACSL2BoogieTranslator took 248.82 ms. Allocated memory is still 132.1 MB. Free memory was 102.3 MB in the beginning and 109.7 MB in the end (delta: -7.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-29 21:13:37,324 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.28 ms. Allocated memory is still 132.1 MB. Free memory was 109.7 MB in the beginning and 108.3 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 21:13:37,324 INFO L168 Benchmark]: Boogie Preprocessor took 18.25 ms. Allocated memory is still 132.1 MB. Free memory was 108.3 MB in the beginning and 107.5 MB in the end (delta: 766.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 21:13:37,325 INFO L168 Benchmark]: RCFGBuilder took 192.28 ms. Allocated memory is still 132.1 MB. Free memory was 107.5 MB in the beginning and 100.6 MB in the end (delta: 6.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-29 21:13:37,326 INFO L168 Benchmark]: BuchiAutomizer took 970.05 ms. Allocated memory is still 132.1 MB. Free memory was 100.2 MB in the beginning and 66.7 MB in the end (delta: 33.6 MB). Peak memory consumption was 33.6 MB. Max. memory is 16.1 GB. [2020-11-29 21:13:37,329 INFO L168 Benchmark]: Witness Printer took 56.28 ms. Allocated memory is still 132.1 MB. Free memory was 66.7 MB in the beginning and 65.4 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 21:13:37,335 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 81.8 MB. Free memory was 42.3 MB in the beginning and 42.2 MB in the end (delta: 40.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 248.82 ms. Allocated memory is still 132.1 MB. Free memory was 102.3 MB in the beginning and 109.7 MB in the end (delta: -7.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 34.28 ms. Allocated memory is still 132.1 MB. Free memory was 109.7 MB in the beginning and 108.3 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 18.25 ms. Allocated memory is still 132.1 MB. Free memory was 108.3 MB in the beginning and 107.5 MB in the end (delta: 766.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 192.28 ms. Allocated memory is still 132.1 MB. Free memory was 107.5 MB in the beginning and 100.6 MB in the end (delta: 6.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 970.05 ms. Allocated memory is still 132.1 MB. Free memory was 100.2 MB in the beginning and 66.7 MB in the end (delta: 33.6 MB). Peak memory consumption was 33.6 MB. Max. memory is 16.1 GB. * Witness Printer took 56.28 ms. Allocated memory is still 132.1 MB. Free memory was 66.7 MB in the beginning and 65.4 MB in the end (delta: 1.3 MB). There was no memory consumed. 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. [2020-11-29 21:13:37,355 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-11-29 21:13:37,356 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-11-29 21:13:37,357 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-11-29 21:13:37,357 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-11-29 21:13:37,357 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-11-29 21:13:37,358 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-11-29 21:13:37,363 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-11-29 21:13:37,364 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-11-29 21:13:37,364 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-11-29 21:13:37,365 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-11-29 21:13:37,365 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-11-29 21:13:37,366 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 -5*0^k + -1 + 1*0^k + 1*k} - StatisticsResult: NonterminationArgumentStatistics Unbounded Execution 3GEVs Lambdas: [0, 1, 0] Mus: [0, 1] - 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...