./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted/NonTerminationSimple7_true-no-overflow_false-termination_true-valid-memsafety.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_5bdabbe8-c4d4-4dc5-b69e-0e3ff2370c92/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5bdabbe8-c4d4-4dc5-b69e-0e3ff2370c92/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5bdabbe8-c4d4-4dc5-b69e-0e3ff2370c92/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5bdabbe8-c4d4-4dc5-b69e-0e3ff2370c92/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/NonTerminationSimple7_true-no-overflow_false-termination_true-valid-memsafety.c -s /tmp/vcloud-vcloud-master/worker/working_dir_5bdabbe8-c4d4-4dc5-b69e-0e3ff2370c92/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5bdabbe8-c4d4-4dc5-b69e-0e3ff2370c92/bin-2019/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 e53f2fdb98621a674cb41b7388b3e8cc7db6ca72 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 0.1.23-aa41828 [2018-11-23 11:58:27,189 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 11:58:27,190 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 11:58:27,197 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 11:58:27,197 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 11:58:27,198 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 11:58:27,198 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 11:58:27,199 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 11:58:27,200 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 11:58:27,201 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 11:58:27,202 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 11:58:27,202 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 11:58:27,203 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 11:58:27,203 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 11:58:27,204 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 11:58:27,205 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 11:58:27,205 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 11:58:27,207 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 11:58:27,208 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 11:58:27,209 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 11:58:27,210 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 11:58:27,211 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 11:58:27,212 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 11:58:27,212 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 11:58:27,212 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 11:58:27,213 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 11:58:27,214 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 11:58:27,214 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 11:58:27,215 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 11:58:27,215 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 11:58:27,215 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 11:58:27,216 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 11:58:27,216 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 11:58:27,216 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 11:58:27,217 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 11:58:27,217 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 11:58:27,218 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5bdabbe8-c4d4-4dc5-b69e-0e3ff2370c92/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2018-11-23 11:58:27,226 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 11:58:27,227 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 11:58:27,227 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 11:58:27,227 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 11:58:27,228 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 11:58:27,228 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-23 11:58:27,228 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-23 11:58:27,228 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-23 11:58:27,228 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-23 11:58:27,228 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-23 11:58:27,228 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-23 11:58:27,229 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 11:58:27,229 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-23 11:58:27,229 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 11:58:27,229 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 11:58:27,229 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-23 11:58:27,229 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-23 11:58:27,229 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-23 11:58:27,229 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 11:58:27,230 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-23 11:58:27,230 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 11:58:27,230 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-23 11:58:27,230 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 11:58:27,230 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 11:58:27,230 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-23 11:58:27,230 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 11:58:27,230 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 11:58:27,231 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-23 11:58:27,231 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-23 11:58:27,231 INFO L133 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/working_dir_5bdabbe8-c4d4-4dc5-b69e-0e3ff2370c92/bin-2019/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 -> e53f2fdb98621a674cb41b7388b3e8cc7db6ca72 [2018-11-23 11:58:27,253 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 11:58:27,261 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 11:58:27,263 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 11:58:27,264 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 11:58:27,264 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 11:58:27,264 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5bdabbe8-c4d4-4dc5-b69e-0e3ff2370c92/bin-2019/uautomizer/../../sv-benchmarks/c/termination-crafted/NonTerminationSimple7_true-no-overflow_false-termination_true-valid-memsafety.c [2018-11-23 11:58:27,298 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5bdabbe8-c4d4-4dc5-b69e-0e3ff2370c92/bin-2019/uautomizer/data/4a2e8e0be/bb179265179345898d1011b218fe6b7e/FLAG3b56c7a83 [2018-11-23 11:58:27,705 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 11:58:27,705 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5bdabbe8-c4d4-4dc5-b69e-0e3ff2370c92/sv-benchmarks/c/termination-crafted/NonTerminationSimple7_true-no-overflow_false-termination_true-valid-memsafety.c [2018-11-23 11:58:27,710 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5bdabbe8-c4d4-4dc5-b69e-0e3ff2370c92/bin-2019/uautomizer/data/4a2e8e0be/bb179265179345898d1011b218fe6b7e/FLAG3b56c7a83 [2018-11-23 11:58:27,721 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5bdabbe8-c4d4-4dc5-b69e-0e3ff2370c92/bin-2019/uautomizer/data/4a2e8e0be/bb179265179345898d1011b218fe6b7e [2018-11-23 11:58:27,724 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 11:58:27,725 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 11:58:27,726 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 11:58:27,726 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 11:58:27,729 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 11:58:27,729 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:58:27" (1/1) ... [2018-11-23 11:58:27,731 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4dd9ff0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:58:27, skipping insertion in model container [2018-11-23 11:58:27,732 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:58:27" (1/1) ... [2018-11-23 11:58:27,739 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 11:58:27,752 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 11:58:27,881 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 11:58:27,883 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 11:58:27,895 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 11:58:27,905 INFO L195 MainTranslator]: Completed translation [2018-11-23 11:58:27,906 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:58:27 WrapperNode [2018-11-23 11:58:27,906 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 11:58:27,906 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 11:58:27,906 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 11:58:27,906 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 11:58:27,913 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:58:27" (1/1) ... [2018-11-23 11:58:27,918 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:58:27" (1/1) ... [2018-11-23 11:58:27,934 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 11:58:27,935 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 11:58:27,935 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 11:58:27,935 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 11:58:27,942 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:58:27" (1/1) ... [2018-11-23 11:58:27,943 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:58:27" (1/1) ... [2018-11-23 11:58:27,943 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:58:27" (1/1) ... [2018-11-23 11:58:27,943 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:58:27" (1/1) ... [2018-11-23 11:58:27,944 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:58:27" (1/1) ... [2018-11-23 11:58:27,948 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:58:27" (1/1) ... [2018-11-23 11:58:27,948 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:58:27" (1/1) ... [2018-11-23 11:58:27,949 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 11:58:27,950 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 11:58:27,950 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 11:58:27,950 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 11:58:27,950 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:58:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5bdabbe8-c4d4-4dc5-b69e-0e3ff2370c92/bin-2019/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 [2018-11-23 11:58:28,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 11:58:28,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 11:58:28,151 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 11:58:28,151 INFO L280 CfgBuilder]: Removed 5 assue(true) statements. [2018-11-23 11:58:28,151 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:58:28 BoogieIcfgContainer [2018-11-23 11:58:28,151 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 11:58:28,152 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-23 11:58:28,152 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-23 11:58:28,155 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-23 11:58:28,156 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 11:58:28,156 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 11:58:27" (1/3) ... [2018-11-23 11:58:28,157 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@175bc6f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 11:58:28, skipping insertion in model container [2018-11-23 11:58:28,157 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 11:58:28,157 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:58:27" (2/3) ... [2018-11-23 11:58:28,157 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@175bc6f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 11:58:28, skipping insertion in model container [2018-11-23 11:58:28,157 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 11:58:28,158 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:58:28" (3/3) ... [2018-11-23 11:58:28,159 INFO L375 chiAutomizerObserver]: Analyzing ICFG NonTerminationSimple7_true-no-overflow_false-termination_true-valid-memsafety.c [2018-11-23 11:58:28,198 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 11:58:28,199 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-23 11:58:28,199 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-23 11:58:28,199 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-23 11:58:28,199 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 11:58:28,199 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 11:58:28,199 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-23 11:58:28,199 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 11:58:28,200 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-23 11:58:28,208 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states. [2018-11-23 11:58:28,221 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2018-11-23 11:58:28,222 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-23 11:58:28,222 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-23 11:58:28,226 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-11-23 11:58:28,226 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1] [2018-11-23 11:58:28,226 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-23 11:58:28,226 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states. [2018-11-23 11:58:28,227 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2018-11-23 11:58:28,227 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-23 11:58:28,227 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-23 11:58:28,227 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-11-23 11:58:28,227 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1] [2018-11-23 11:58:28,232 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_~c~0, main_~x~0;havoc main_~c~0;havoc main_~x~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~c~0 := main_#t~nondet1;havoc main_#t~nondet1; 3#L15true assume 0 == main_~c~0; 7#L16-2true [2018-11-23 11:58:28,232 INFO L796 eck$LassoCheckResult]: Loop: 7#L16-2true assume !!(main_~x~0 >= 0);main_~x~0 := main_~x~0 + main_~c~0; 7#L16-2true [2018-11-23 11:58:28,236 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:58:28,236 INFO L82 PathProgramCache]: Analyzing trace with hash 996, now seen corresponding path program 1 times [2018-11-23 11:58:28,237 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 11:58:28,238 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 11:58:28,271 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:58:28,272 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:58:28,272 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:58:28,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 11:58:28,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 11:58:28,294 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:58:28,294 INFO L82 PathProgramCache]: Analyzing trace with hash 44, now seen corresponding path program 1 times [2018-11-23 11:58:28,294 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 11:58:28,294 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 11:58:28,295 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:58:28,295 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:58:28,296 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:58:28,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 11:58:28,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 11:58:28,301 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:58:28,301 INFO L82 PathProgramCache]: Analyzing trace with hash 30889, now seen corresponding path program 1 times [2018-11-23 11:58:28,301 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 11:58:28,301 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 11:58:28,302 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:58:28,302 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:58:28,302 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:58:28,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 11:58:28,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_~c~0, main_~x~0;havoc main_~c~0;havoc main_~x~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~c~0 := main_#t~nondet1;havoc main_#t~nondet1; [?] assume 0 == main_~c~0; [?] havoc main_#res; [?] havoc main_#t~nondet0, main_#t~nondet1, main_~c~0, main_~x~0; [L12] havoc main_~c~0; [L12] havoc main_~x~0; [L13] main_~x~0 := main_#t~nondet0; [L13] havoc main_#t~nondet0; [L14] main_~c~0 := main_#t~nondet1; [L14] havoc main_#t~nondet1; [L15-L19] assume 0 == main_~c~0; ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] havoc main_#res; [?] havoc main_#t~nondet0, main_#t~nondet1, main_~c~0, main_~x~0; [L12] havoc main_~c~0; [L12] havoc main_~x~0; [L13] main_~x~0 := main_#t~nondet0; [L13] havoc main_#t~nondet0; [L14] main_~c~0 := main_#t~nondet1; [L14] havoc main_#t~nondet1; [L15-L19] assume 0 == main_~c~0; [?] havoc main_#res; [?] havoc main_#t~nondet0, main_#t~nondet1, main_~c~0, main_~x~0; [L12] havoc main_~c~0; [L12] havoc main_~x~0; [L13] main_~x~0 := main_#t~nondet0; [L13] havoc main_#t~nondet0; [L14] main_~c~0 := main_#t~nondet1; [L14] havoc main_#t~nondet1; [L15] COND TRUE 0 == main_~c~0 ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] havoc main_#res; [?] havoc main_#t~nondet0, main_#t~nondet1, main_~c~0, main_~x~0; [L12] havoc main_~c~0; [L12] havoc main_~x~0; [L13] main_~x~0 := main_#t~nondet0; [L13] havoc main_#t~nondet0; [L14] main_~c~0 := main_#t~nondet1; [L14] havoc main_#t~nondet1; [L15] COND TRUE 0 == main_~c~0 [L12] havoc ~c~0; [L12] havoc ~x~0; [L13] ~x~0 := #t~nondet0; [L13] havoc #t~nondet0; [L14] ~c~0 := #t~nondet1; [L14] havoc #t~nondet1; [L15] COND TRUE 0 == ~c~0 ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [L12] havoc ~c~0; [L12] havoc ~x~0; [L13] ~x~0 := #t~nondet0; [L13] havoc #t~nondet0; [L14] ~c~0 := #t~nondet1; [L14] havoc #t~nondet1; [L15] COND TRUE 0 == ~c~0 [L12] int c, x; [L13] x = __VERIFIER_nondet_int() [L14] c = __VERIFIER_nondet_int() [L15] COND TRUE c == 0 ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] assume !!(main_~x~0 >= 0);main_~x~0 := main_~x~0 + main_~c~0; [L16-L18] assume !!(main_~x~0 >= 0); [L17] main_~x~0 := main_~x~0 + main_~c~0; ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [L16-L18] assume !!(main_~x~0 >= 0); [L17] main_~x~0 := main_~x~0 + main_~c~0; [L16-L18] COND FALSE !(!(main_~x~0 >= 0)) [L17] main_~x~0 := main_~x~0 + main_~c~0; ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [L16-L18] COND FALSE !(!(main_~x~0 >= 0)) [L17] main_~x~0 := main_~x~0 + main_~c~0; [L16-L18] COND FALSE !(!(~x~0 >= 0)) [L17] ~x~0 := ~x~0 + ~c~0; ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [L16-L18] COND FALSE !(!(~x~0 >= 0)) [L17] ~x~0 := ~x~0 + ~c~0; [L16] COND TRUE x >= 0 [L17] x = x + c ----- [2018-11-23 11:58:28,375 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.11 11:58:28 BoogieIcfgContainer [2018-11-23 11:58:28,375 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-23 11:58:28,375 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 11:58:28,376 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 11:58:28,376 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 11:58:28,376 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:58:28" (3/4) ... [2018-11-23 11:58:28,378 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_~c~0, main_~x~0;havoc main_~c~0;havoc main_~x~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~c~0 := main_#t~nondet1;havoc main_#t~nondet1; [?] assume 0 == main_~c~0; [?] havoc main_#res; [?] havoc main_#t~nondet0, main_#t~nondet1, main_~c~0, main_~x~0; [L12] havoc main_~c~0; [L12] havoc main_~x~0; [L13] main_~x~0 := main_#t~nondet0; [L13] havoc main_#t~nondet0; [L14] main_~c~0 := main_#t~nondet1; [L14] havoc main_#t~nondet1; [L15-L19] assume 0 == main_~c~0; ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] havoc main_#res; [?] havoc main_#t~nondet0, main_#t~nondet1, main_~c~0, main_~x~0; [L12] havoc main_~c~0; [L12] havoc main_~x~0; [L13] main_~x~0 := main_#t~nondet0; [L13] havoc main_#t~nondet0; [L14] main_~c~0 := main_#t~nondet1; [L14] havoc main_#t~nondet1; [L15-L19] assume 0 == main_~c~0; [?] havoc main_#res; [?] havoc main_#t~nondet0, main_#t~nondet1, main_~c~0, main_~x~0; [L12] havoc main_~c~0; [L12] havoc main_~x~0; [L13] main_~x~0 := main_#t~nondet0; [L13] havoc main_#t~nondet0; [L14] main_~c~0 := main_#t~nondet1; [L14] havoc main_#t~nondet1; [L15] COND TRUE 0 == main_~c~0 ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] havoc main_#res; [?] havoc main_#t~nondet0, main_#t~nondet1, main_~c~0, main_~x~0; [L12] havoc main_~c~0; [L12] havoc main_~x~0; [L13] main_~x~0 := main_#t~nondet0; [L13] havoc main_#t~nondet0; [L14] main_~c~0 := main_#t~nondet1; [L14] havoc main_#t~nondet1; [L15] COND TRUE 0 == main_~c~0 [L12] havoc ~c~0; [L12] havoc ~x~0; [L13] ~x~0 := #t~nondet0; [L13] havoc #t~nondet0; [L14] ~c~0 := #t~nondet1; [L14] havoc #t~nondet1; [L15] COND TRUE 0 == ~c~0 ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [L12] havoc ~c~0; [L12] havoc ~x~0; [L13] ~x~0 := #t~nondet0; [L13] havoc #t~nondet0; [L14] ~c~0 := #t~nondet1; [L14] havoc #t~nondet1; [L15] COND TRUE 0 == ~c~0 [L12] int c, x; [L13] x = __VERIFIER_nondet_int() [L14] c = __VERIFIER_nondet_int() [L15] COND TRUE c == 0 ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] assume !!(main_~x~0 >= 0);main_~x~0 := main_~x~0 + main_~c~0; [L16-L18] assume !!(main_~x~0 >= 0); [L17] main_~x~0 := main_~x~0 + main_~c~0; ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [L16-L18] assume !!(main_~x~0 >= 0); [L17] main_~x~0 := main_~x~0 + main_~c~0; [L16-L18] COND FALSE !(!(main_~x~0 >= 0)) [L17] main_~x~0 := main_~x~0 + main_~c~0; ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [L16-L18] COND FALSE !(!(main_~x~0 >= 0)) [L17] main_~x~0 := main_~x~0 + main_~c~0; [L16-L18] COND FALSE !(!(~x~0 >= 0)) [L17] ~x~0 := ~x~0 + ~c~0; ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [L16-L18] COND FALSE !(!(~x~0 >= 0)) [L17] ~x~0 := ~x~0 + ~c~0; [L16] COND TRUE x >= 0 [L17] x = x + c ----- [2018-11-23 11:58:28,412 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_5bdabbe8-c4d4-4dc5-b69e-0e3ff2370c92/bin-2019/uautomizer/witness.graphml [2018-11-23 11:58:28,412 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 11:58:28,413 INFO L168 Benchmark]: Toolchain (without parser) took 688.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 953.7 MB in the beginning and 1.1 GB in the end (delta: -147.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 11:58:28,415 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 11:58:28,415 INFO L168 Benchmark]: CACSL2BoogieTranslator took 180.51 ms. Allocated memory is still 1.0 GB. Free memory was 953.7 MB in the beginning and 943.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-23 11:58:28,416 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.34 ms. Allocated memory is still 1.0 GB. Free memory was 943.0 MB in the beginning and 940.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 11:58:28,416 INFO L168 Benchmark]: Boogie Preprocessor took 14.46 ms. Allocated memory is still 1.0 GB. Free memory is still 940.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 11:58:28,417 INFO L168 Benchmark]: RCFGBuilder took 202.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 940.3 MB in the beginning and 1.1 GB in the end (delta: -186.0 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. [2018-11-23 11:58:28,417 INFO L168 Benchmark]: BuchiAutomizer took 223.20 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: 17.7 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. [2018-11-23 11:58:28,418 INFO L168 Benchmark]: Witness Printer took 37.05 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-11-23 11:58:28,423 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 180.51 ms. Allocated memory is still 1.0 GB. Free memory was 953.7 MB in the beginning and 943.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 28.34 ms. Allocated memory is still 1.0 GB. Free memory was 943.0 MB in the beginning and 940.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 14.46 ms. Allocated memory is still 1.0 GB. Free memory is still 940.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 202.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 940.3 MB in the beginning and 1.1 GB in the end (delta: -186.0 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 223.20 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: 17.7 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. * Witness Printer took 37.05 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * 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 0.1s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 0.1s. 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: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 16]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2e3b4c8f=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@63f8df0e=0, c=0, x=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 16]: Nonterminating execution ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_~c~0, main_~x~0;havoc main_~c~0;havoc main_~x~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~c~0 := main_#t~nondet1;havoc main_#t~nondet1; [?] assume 0 == main_~c~0; [?] havoc main_#res; [?] havoc main_#t~nondet0, main_#t~nondet1, main_~c~0, main_~x~0; [L12] havoc main_~c~0; [L12] havoc main_~x~0; [L13] main_~x~0 := main_#t~nondet0; [L13] havoc main_#t~nondet0; [L14] main_~c~0 := main_#t~nondet1; [L14] havoc main_#t~nondet1; [L15-L19] assume 0 == main_~c~0; ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] havoc main_#res; [?] havoc main_#t~nondet0, main_#t~nondet1, main_~c~0, main_~x~0; [L12] havoc main_~c~0; [L12] havoc main_~x~0; [L13] main_~x~0 := main_#t~nondet0; [L13] havoc main_#t~nondet0; [L14] main_~c~0 := main_#t~nondet1; [L14] havoc main_#t~nondet1; [L15-L19] assume 0 == main_~c~0; [?] havoc main_#res; [?] havoc main_#t~nondet0, main_#t~nondet1, main_~c~0, main_~x~0; [L12] havoc main_~c~0; [L12] havoc main_~x~0; [L13] main_~x~0 := main_#t~nondet0; [L13] havoc main_#t~nondet0; [L14] main_~c~0 := main_#t~nondet1; [L14] havoc main_#t~nondet1; [L15] COND TRUE 0 == main_~c~0 ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] havoc main_#res; [?] havoc main_#t~nondet0, main_#t~nondet1, main_~c~0, main_~x~0; [L12] havoc main_~c~0; [L12] havoc main_~x~0; [L13] main_~x~0 := main_#t~nondet0; [L13] havoc main_#t~nondet0; [L14] main_~c~0 := main_#t~nondet1; [L14] havoc main_#t~nondet1; [L15] COND TRUE 0 == main_~c~0 [L12] havoc ~c~0; [L12] havoc ~x~0; [L13] ~x~0 := #t~nondet0; [L13] havoc #t~nondet0; [L14] ~c~0 := #t~nondet1; [L14] havoc #t~nondet1; [L15] COND TRUE 0 == ~c~0 ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [L12] havoc ~c~0; [L12] havoc ~x~0; [L13] ~x~0 := #t~nondet0; [L13] havoc #t~nondet0; [L14] ~c~0 := #t~nondet1; [L14] havoc #t~nondet1; [L15] COND TRUE 0 == ~c~0 [L12] int c, x; [L13] x = __VERIFIER_nondet_int() [L14] c = __VERIFIER_nondet_int() [L15] COND TRUE c == 0 ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] assume !!(main_~x~0 >= 0);main_~x~0 := main_~x~0 + main_~c~0; [L16-L18] assume !!(main_~x~0 >= 0); [L17] main_~x~0 := main_~x~0 + main_~c~0; ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [L16-L18] assume !!(main_~x~0 >= 0); [L17] main_~x~0 := main_~x~0 + main_~c~0; [L16-L18] COND FALSE !(!(main_~x~0 >= 0)) [L17] main_~x~0 := main_~x~0 + main_~c~0; ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [L16-L18] COND FALSE !(!(main_~x~0 >= 0)) [L17] main_~x~0 := main_~x~0 + main_~c~0; [L16-L18] COND FALSE !(!(~x~0 >= 0)) [L17] ~x~0 := ~x~0 + ~c~0; ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [L16-L18] COND FALSE !(!(~x~0 >= 0)) [L17] ~x~0 := ~x~0 + ~c~0; [L16] COND TRUE x >= 0 [L17] x = x + c ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_~c~0, main_~x~0;havoc main_~c~0;havoc main_~x~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~c~0 := main_#t~nondet1;havoc main_#t~nondet1; [?] assume 0 == main_~c~0; [?] havoc main_#res; [?] havoc main_#t~nondet0, main_#t~nondet1, main_~c~0, main_~x~0; [L12] havoc main_~c~0; [L12] havoc main_~x~0; [L13] main_~x~0 := main_#t~nondet0; [L13] havoc main_#t~nondet0; [L14] main_~c~0 := main_#t~nondet1; [L14] havoc main_#t~nondet1; [L15-L19] assume 0 == main_~c~0; ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] havoc main_#res; [?] havoc main_#t~nondet0, main_#t~nondet1, main_~c~0, main_~x~0; [L12] havoc main_~c~0; [L12] havoc main_~x~0; [L13] main_~x~0 := main_#t~nondet0; [L13] havoc main_#t~nondet0; [L14] main_~c~0 := main_#t~nondet1; [L14] havoc main_#t~nondet1; [L15-L19] assume 0 == main_~c~0; [?] havoc main_#res; [?] havoc main_#t~nondet0, main_#t~nondet1, main_~c~0, main_~x~0; [L12] havoc main_~c~0; [L12] havoc main_~x~0; [L13] main_~x~0 := main_#t~nondet0; [L13] havoc main_#t~nondet0; [L14] main_~c~0 := main_#t~nondet1; [L14] havoc main_#t~nondet1; [L15] COND TRUE 0 == main_~c~0 ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] havoc main_#res; [?] havoc main_#t~nondet0, main_#t~nondet1, main_~c~0, main_~x~0; [L12] havoc main_~c~0; [L12] havoc main_~x~0; [L13] main_~x~0 := main_#t~nondet0; [L13] havoc main_#t~nondet0; [L14] main_~c~0 := main_#t~nondet1; [L14] havoc main_#t~nondet1; [L15] COND TRUE 0 == main_~c~0 [L12] havoc ~c~0; [L12] havoc ~x~0; [L13] ~x~0 := #t~nondet0; [L13] havoc #t~nondet0; [L14] ~c~0 := #t~nondet1; [L14] havoc #t~nondet1; [L15] COND TRUE 0 == ~c~0 ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [L12] havoc ~c~0; [L12] havoc ~x~0; [L13] ~x~0 := #t~nondet0; [L13] havoc #t~nondet0; [L14] ~c~0 := #t~nondet1; [L14] havoc #t~nondet1; [L15] COND TRUE 0 == ~c~0 [L12] int c, x; [L13] x = __VERIFIER_nondet_int() [L14] c = __VERIFIER_nondet_int() [L15] COND TRUE c == 0 ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] assume !!(main_~x~0 >= 0);main_~x~0 := main_~x~0 + main_~c~0; [L16-L18] assume !!(main_~x~0 >= 0); [L17] main_~x~0 := main_~x~0 + main_~c~0; ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [L16-L18] assume !!(main_~x~0 >= 0); [L17] main_~x~0 := main_~x~0 + main_~c~0; [L16-L18] COND FALSE !(!(main_~x~0 >= 0)) [L17] main_~x~0 := main_~x~0 + main_~c~0; ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [L16-L18] COND FALSE !(!(main_~x~0 >= 0)) [L17] main_~x~0 := main_~x~0 + main_~c~0; [L16-L18] COND FALSE !(!(~x~0 >= 0)) [L17] ~x~0 := ~x~0 + ~c~0; ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [L16-L18] COND FALSE !(!(~x~0 >= 0)) [L17] ~x~0 := ~x~0 + ~c~0; [L16] COND TRUE x >= 0 [L17] x = x + c ----- Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L12] int c, x; [L13] x = __VERIFIER_nondet_int() [L14] c = __VERIFIER_nondet_int() [L15] COND TRUE c == 0 Loop: [L16] COND TRUE x >= 0 [L17] x = x + c End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...