./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 cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_1b2fbb6b-493e-41eb-b1ff-30d095aff730/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_1b2fbb6b-493e-41eb-b1ff-30d095aff730/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_1b2fbb6b-493e-41eb-b1ff-30d095aff730/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_1b2fbb6b-493e-41eb-b1ff-30d095aff730/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/Madrid.c -s /tmp/vcloud-vcloud-master/worker/run_dir_1b2fbb6b-493e-41eb-b1ff-30d095aff730/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_1b2fbb6b-493e-41eb-b1ff-30d095aff730/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 0.1.24-cad4683 [2019-11-15 20:55:23,202 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 20:55:23,204 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 20:55:23,214 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 20:55:23,214 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 20:55:23,215 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 20:55:23,216 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 20:55:23,218 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 20:55:23,220 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 20:55:23,221 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 20:55:23,222 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 20:55:23,223 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 20:55:23,223 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 20:55:23,224 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 20:55:23,225 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 20:55:23,226 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 20:55:23,227 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 20:55:23,227 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 20:55:23,229 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 20:55:23,231 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 20:55:23,232 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 20:55:23,233 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 20:55:23,234 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 20:55:23,235 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 20:55:23,237 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 20:55:23,237 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 20:55:23,238 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 20:55:23,239 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 20:55:23,239 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 20:55:23,240 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 20:55:23,240 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 20:55:23,241 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 20:55:23,241 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 20:55:23,242 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 20:55:23,243 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 20:55:23,243 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 20:55:23,244 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 20:55:23,244 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 20:55:23,244 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 20:55:23,245 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 20:55:23,246 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 20:55:23,246 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_1b2fbb6b-493e-41eb-b1ff-30d095aff730/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-15 20:55:23,261 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 20:55:23,261 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 20:55:23,262 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 20:55:23,262 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 20:55:23,262 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 20:55:23,263 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-15 20:55:23,263 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-15 20:55:23,263 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-15 20:55:23,263 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-15 20:55:23,264 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-15 20:55:23,264 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-15 20:55:23,264 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 20:55:23,264 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-15 20:55:23,265 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 20:55:23,265 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 20:55:23,265 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-15 20:55:23,265 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-15 20:55:23,266 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-15 20:55:23,266 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 20:55:23,266 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-15 20:55:23,266 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 20:55:23,266 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-15 20:55:23,267 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 20:55:23,267 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 20:55:23,267 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-15 20:55:23,267 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 20:55:23,268 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 20:55:23,268 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-15 20:55:23,269 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-15 20:55:23,269 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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_1b2fbb6b-493e-41eb-b1ff-30d095aff730/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 [2019-11-15 20:55:23,293 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 20:55:23,302 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 20:55:23,305 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 20:55:23,306 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 20:55:23,307 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 20:55:23,307 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_1b2fbb6b-493e-41eb-b1ff-30d095aff730/bin/uautomizer/../../sv-benchmarks/c/termination-crafted/Madrid.c [2019-11-15 20:55:23,364 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1b2fbb6b-493e-41eb-b1ff-30d095aff730/bin/uautomizer/data/07724a185/4a701b7e80284582a6b69f241ceb6419/FLAG4439ef316 [2019-11-15 20:55:23,791 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 20:55:23,792 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_1b2fbb6b-493e-41eb-b1ff-30d095aff730/sv-benchmarks/c/termination-crafted/Madrid.c [2019-11-15 20:55:23,798 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1b2fbb6b-493e-41eb-b1ff-30d095aff730/bin/uautomizer/data/07724a185/4a701b7e80284582a6b69f241ceb6419/FLAG4439ef316 [2019-11-15 20:55:23,813 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_1b2fbb6b-493e-41eb-b1ff-30d095aff730/bin/uautomizer/data/07724a185/4a701b7e80284582a6b69f241ceb6419 [2019-11-15 20:55:23,817 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 20:55:23,818 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 20:55:23,819 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 20:55:23,819 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 20:55:23,822 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 20:55:23,824 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 08:55:23" (1/1) ... [2019-11-15 20:55:23,826 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a328ff8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:55:23, skipping insertion in model container [2019-11-15 20:55:23,826 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 08:55:23" (1/1) ... [2019-11-15 20:55:23,833 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 20:55:23,848 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 20:55:24,066 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 20:55:24,070 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 20:55:24,088 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 20:55:24,100 INFO L192 MainTranslator]: Completed translation [2019-11-15 20:55:24,100 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:55:24 WrapperNode [2019-11-15 20:55:24,100 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 20:55:24,101 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 20:55:24,101 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 20:55:24,101 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 20:55:24,109 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:55:24" (1/1) ... [2019-11-15 20:55:24,113 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:55:24" (1/1) ... [2019-11-15 20:55:24,127 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 20:55:24,128 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 20:55:24,128 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 20:55:24,128 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 20:55:24,136 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:55:24" (1/1) ... [2019-11-15 20:55:24,136 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:55:24" (1/1) ... [2019-11-15 20:55:24,137 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:55:24" (1/1) ... [2019-11-15 20:55:24,137 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:55:24" (1/1) ... [2019-11-15 20:55:24,138 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:55:24" (1/1) ... [2019-11-15 20:55:24,142 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:55:24" (1/1) ... [2019-11-15 20:55:24,142 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:55:24" (1/1) ... [2019-11-15 20:55:24,143 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 20:55:24,143 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 20:55:24,144 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 20:55:24,144 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 20:55:24,144 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:55:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1b2fbb6b-493e-41eb-b1ff-30d095aff730/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 [2019-11-15 20:55:24,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 20:55:24,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 20:55:24,291 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 20:55:24,291 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-15 20:55:24,292 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 08:55:24 BoogieIcfgContainer [2019-11-15 20:55:24,292 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 20:55:24,292 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-15 20:55:24,293 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-15 20:55:24,296 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-15 20:55:24,296 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-15 20:55:24,297 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 15.11 08:55:23" (1/3) ... [2019-11-15 20:55:24,297 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@228cafba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.11 08:55:24, skipping insertion in model container [2019-11-15 20:55:24,297 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-15 20:55:24,297 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:55:24" (2/3) ... [2019-11-15 20:55:24,298 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@228cafba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.11 08:55:24, skipping insertion in model container [2019-11-15 20:55:24,298 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-15 20:55:24,298 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 08:55:24" (3/3) ... [2019-11-15 20:55:24,299 INFO L371 chiAutomizerObserver]: Analyzing ICFG Madrid.c [2019-11-15 20:55:24,342 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-15 20:55:24,342 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-15 20:55:24,342 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-15 20:55:24,342 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 20:55:24,343 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 20:55:24,343 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-15 20:55:24,343 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 20:55:24,343 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-15 20:55:24,355 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states. [2019-11-15 20:55:24,373 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-11-15 20:55:24,374 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-15 20:55:24,374 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-15 20:55:24,379 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-11-15 20:55:24,380 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-11-15 20:55:24,380 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-15 20:55:24,380 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states. [2019-11-15 20:55:24,381 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-11-15 20:55:24,381 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-15 20:55:24,381 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-15 20:55:24,381 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-11-15 20:55:24,382 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-11-15 20:55:24,388 INFO L791 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_~x~0;havoc main_~x~0;main_~x~0 := 7; 6#L14-2true [2019-11-15 20:55:24,389 INFO L793 eck$LassoCheckResult]: Loop: 6#L14-2true assume !!(0 != ~unnamed0~0~true);main_~x~0 := 2; 6#L14-2true [2019-11-15 20:55:24,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:55:24,394 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2019-11-15 20:55:24,401 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:55:24,402 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713860811] [2019-11-15 20:55:24,402 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:55:24,402 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:55:24,402 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:55:24,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 20:55:24,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 20:55:24,475 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 20:55:24,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:55:24,476 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 1 times [2019-11-15 20:55:24,476 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:55:24,476 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462127605] [2019-11-15 20:55:24,476 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:55:24,477 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:55:24,477 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:55:24,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 20:55:24,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 20:55:24,483 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 20:55:24,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:55:24,485 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2019-11-15 20:55:24,485 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:55:24,485 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266761930] [2019-11-15 20:55:24,486 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:55:24,486 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:55:24,486 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:55:24,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 20:55:24,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 20:55:24,494 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 20:55:24,550 INFO L210 LassoAnalysis]: Preferences: [2019-11-15 20:55:24,551 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-11-15 20:55:24,551 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-15 20:55:24,551 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-11-15 20:55:24,551 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-11-15 20:55:24,551 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 20:55:24,552 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-15 20:55:24,552 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-11-15 20:55:24,552 INFO L131 ssoRankerPreferences]: Filename of dumped script: Madrid.c_Iteration1_Lasso [2019-11-15 20:55:24,552 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-15 20:55:24,553 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-15 20:55:24,577 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 20:55:24,585 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 20:55:24,589 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 20:55:24,593 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 20:55:24,708 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-15 20:55:24,709 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1b2fbb6b-493e-41eb-b1ff-30d095aff730/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) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 20:55:24,717 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-15 20:55:24,718 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-15 20:55:24,724 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-15 20:55:24,724 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_1b2fbb6b-493e-41eb-b1ff-30d095aff730/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) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 20:55:24,733 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-15 20:55:24,733 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-15 20:55:24,738 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-15 20:55:24,738 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_1b2fbb6b-493e-41eb-b1ff-30d095aff730/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) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 20:55:24,752 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-15 20:55:24,752 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-15 20:55:24,756 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-15 20:55:24,757 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_1b2fbb6b-493e-41eb-b1ff-30d095aff730/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 [2019-11-15 20:55:24,765 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-15 20:55:24,765 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1b2fbb6b-493e-41eb-b1ff-30d095aff730/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) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 20:55:24,793 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-15 20:55:24,793 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-15 20:55:24,816 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-15 20:55:24,817 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=1}, {ULTIMATE.start_main_~x~0=-8}, {ULTIMATE.start_main_~x~0=2}] Lambdas: [8, 0, 0] Nus: [1, 0] [2019-11-15 20:55:24,828 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2019-11-15 20:55:24,829 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2019-11-15 20:55:24,830 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2019-11-15 20:55:24,830 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2019-11-15 20:55:24,831 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2019-11-15 20:55:24,832 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2019-11-15 20:55:24,843 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 15.11 08:55:24 BoogieIcfgContainer [2019-11-15 20:55:24,843 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-15 20:55:24,844 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 20:55:24,844 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 20:55:24,844 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 20:55:24,844 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 08:55:24" (3/4) ... [2019-11-15 20:55:24,847 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-11-15 20:55:24,881 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_1b2fbb6b-493e-41eb-b1ff-30d095aff730/bin/uautomizer/witness.graphml [2019-11-15 20:55:24,881 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 20:55:24,883 INFO L168 Benchmark]: Toolchain (without parser) took 1064.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -115.9 MB). Peak memory consumption was 36.1 MB. Max. memory is 11.5 GB. [2019-11-15 20:55:24,884 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 20:55:24,884 INFO L168 Benchmark]: CACSL2BoogieTranslator took 281.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -193.1 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. [2019-11-15 20:55:24,885 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.80 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 20:55:24,885 INFO L168 Benchmark]: Boogie Preprocessor took 15.54 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 20:55:24,886 INFO L168 Benchmark]: RCFGBuilder took 148.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 15.0 MB). Peak memory consumption was 15.0 MB. Max. memory is 11.5 GB. [2019-11-15 20:55:24,886 INFO L168 Benchmark]: BuchiAutomizer took 550.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 62.2 MB). Peak memory consumption was 62.2 MB. Max. memory is 11.5 GB. [2019-11-15 20:55:24,887 INFO L168 Benchmark]: Witness Printer took 37.48 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 20:55:24,890 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 281.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -193.1 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 26.80 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 15.54 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 148.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 15.0 MB). Peak memory consumption was 15.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 550.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 62.2 MB). Peak memory consumption was 62.2 MB. Max. memory is 11.5 GB. * Witness Printer took 37.48 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 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 0.4s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 0.4s. 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: 0.0s - 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. [2019-11-15 20:55:24,896 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2019-11-15 20:55:24,897 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2019-11-15 20:55:24,897 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2019-11-15 20:55:24,897 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2019-11-15 20:55:24,898 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2019-11-15 20:55:24,898 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2019-11-15 20:55:24,898 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2019-11-15 20:55:24,898 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2019-11-15 20:55:24,899 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2019-11-15 20:55:24,899 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2019-11-15 20:55:24,899 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2019-11-15 20:55:24,900 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 {\result=0, ~unnamed0~0~true=1, ~unnamed0~0~false=0, x=0} State at position 1 is {\result=0, ~unnamed0~0~true=1, ~unnamed0~0~false=0, x=7} For i>1, the state at position i is {\result=0 + sum_{k=0}^i 0, ~unnamed0~0~true=1 + sum_{k=0}^i 0, ~unnamed0~0~false=0 + sum_{k=0}^i 0, x=7 + sum_{k=0}^i 1*8^k + -8*0^k + -8*k*8^(k-1) + 2*0^k} - StatisticsResult: NonterminationArgumentStatistics Unbounded Execution 3GEVs Lambdas: [8, 0, 0] Mus: [1, 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...