./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/Urban-2013WST-Fig1-alloca_false-termination.c.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_95995ee1-5447-4acf-b9b6-fbb547ee4835/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_95995ee1-5447-4acf-b9b6-fbb547ee4835/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_95995ee1-5447-4acf-b9b6-fbb547ee4835/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_95995ee1-5447-4acf-b9b6-fbb547ee4835/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/Urban-2013WST-Fig1-alloca_false-termination.c.i -s /tmp/vcloud-vcloud-master/worker/working_dir_95995ee1-5447-4acf-b9b6-fbb547ee4835/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_95995ee1-5447-4acf-b9b6-fbb547ee4835/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 ccb5cb9edc315122662555ec62bb7adf5b85f05c ....................................................................................................................................................................................................................................................................... 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 0.1.23-635dfa2 [2018-12-08 16:29:16,040 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 16:29:16,041 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 16:29:16,047 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 16:29:16,047 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 16:29:16,048 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 16:29:16,049 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 16:29:16,049 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 16:29:16,050 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 16:29:16,051 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 16:29:16,051 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 16:29:16,051 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 16:29:16,052 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 16:29:16,052 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 16:29:16,053 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 16:29:16,053 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 16:29:16,054 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 16:29:16,054 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 16:29:16,055 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 16:29:16,056 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 16:29:16,057 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 16:29:16,057 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 16:29:16,058 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 16:29:16,059 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 16:29:16,059 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 16:29:16,059 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 16:29:16,060 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 16:29:16,060 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 16:29:16,061 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 16:29:16,061 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 16:29:16,061 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 16:29:16,062 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 16:29:16,062 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 16:29:16,062 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 16:29:16,062 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 16:29:16,063 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 16:29:16,063 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_95995ee1-5447-4acf-b9b6-fbb547ee4835/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2018-12-08 16:29:16,071 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 16:29:16,071 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 16:29:16,072 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 16:29:16,072 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 16:29:16,072 INFO L133 SettingsManager]: * Use SBE=true [2018-12-08 16:29:16,072 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-12-08 16:29:16,072 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-12-08 16:29:16,072 INFO L133 SettingsManager]: * Use old map elimination=false [2018-12-08 16:29:16,072 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-12-08 16:29:16,072 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-12-08 16:29:16,073 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-12-08 16:29:16,073 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 16:29:16,073 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-08 16:29:16,073 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 16:29:16,073 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 16:29:16,073 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-12-08 16:29:16,073 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-12-08 16:29:16,073 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-12-08 16:29:16,073 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 16:29:16,073 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-12-08 16:29:16,073 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 16:29:16,073 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-12-08 16:29:16,074 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 16:29:16,074 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 16:29:16,074 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-12-08 16:29:16,074 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 16:29:16,074 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-08 16:29:16,074 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-12-08 16:29:16,075 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-12-08 16:29:16,075 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_95995ee1-5447-4acf-b9b6-fbb547ee4835/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 -> ccb5cb9edc315122662555ec62bb7adf5b85f05c [2018-12-08 16:29:16,092 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 16:29:16,099 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 16:29:16,101 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 16:29:16,102 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 16:29:16,102 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 16:29:16,102 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_95995ee1-5447-4acf-b9b6-fbb547ee4835/bin-2019/uautomizer/../../sv-benchmarks/c/termination-memory-alloca/Urban-2013WST-Fig1-alloca_false-termination.c.i [2018-12-08 16:29:16,141 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_95995ee1-5447-4acf-b9b6-fbb547ee4835/bin-2019/uautomizer/data/90d3467b6/f9d32891208547d8a36be3e4bebb54c9/FLAG328aa7a88 [2018-12-08 16:29:16,558 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 16:29:16,558 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_95995ee1-5447-4acf-b9b6-fbb547ee4835/sv-benchmarks/c/termination-memory-alloca/Urban-2013WST-Fig1-alloca_false-termination.c.i [2018-12-08 16:29:16,565 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_95995ee1-5447-4acf-b9b6-fbb547ee4835/bin-2019/uautomizer/data/90d3467b6/f9d32891208547d8a36be3e4bebb54c9/FLAG328aa7a88 [2018-12-08 16:29:16,572 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_95995ee1-5447-4acf-b9b6-fbb547ee4835/bin-2019/uautomizer/data/90d3467b6/f9d32891208547d8a36be3e4bebb54c9 [2018-12-08 16:29:16,574 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 16:29:16,575 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 16:29:16,575 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 16:29:16,575 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 16:29:16,577 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 16:29:16,578 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 04:29:16" (1/1) ... [2018-12-08 16:29:16,579 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58dfd927 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:29:16, skipping insertion in model container [2018-12-08 16:29:16,579 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 04:29:16" (1/1) ... [2018-12-08 16:29:16,583 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 16:29:16,606 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 16:29:16,754 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 16:29:16,759 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 16:29:16,812 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 16:29:16,833 INFO L195 MainTranslator]: Completed translation [2018-12-08 16:29:16,833 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:29:16 WrapperNode [2018-12-08 16:29:16,833 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 16:29:16,834 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 16:29:16,834 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 16:29:16,834 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 16:29:16,839 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:29:16" (1/1) ... [2018-12-08 16:29:16,846 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:29:16" (1/1) ... [2018-12-08 16:29:16,857 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 16:29:16,857 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 16:29:16,857 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 16:29:16,857 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 16:29:16,862 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:29:16" (1/1) ... [2018-12-08 16:29:16,863 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:29:16" (1/1) ... [2018-12-08 16:29:16,864 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:29:16" (1/1) ... [2018-12-08 16:29:16,864 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:29:16" (1/1) ... [2018-12-08 16:29:16,866 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:29:16" (1/1) ... [2018-12-08 16:29:16,869 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:29:16" (1/1) ... [2018-12-08 16:29:16,869 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:29:16" (1/1) ... [2018-12-08 16:29:16,870 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 16:29:16,871 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 16:29:16,871 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 16:29:16,871 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 16:29:16,871 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:29:16" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_95995ee1-5447-4acf-b9b6-fbb547ee4835/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 [2018-12-08 16:29:16,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 16:29:16,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-08 16:29:16,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-08 16:29:16,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-08 16:29:16,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 16:29:16,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 16:29:16,994 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 16:29:16,994 INFO L280 CfgBuilder]: Removed 5 assue(true) statements. [2018-12-08 16:29:16,994 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:29:16 BoogieIcfgContainer [2018-12-08 16:29:16,994 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 16:29:16,995 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-12-08 16:29:16,995 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-12-08 16:29:16,997 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-12-08 16:29:16,997 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-08 16:29:16,998 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 08.12 04:29:16" (1/3) ... [2018-12-08 16:29:16,998 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2ffe4ca6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.12 04:29:16, skipping insertion in model container [2018-12-08 16:29:16,998 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-08 16:29:16,998 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:29:16" (2/3) ... [2018-12-08 16:29:16,999 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2ffe4ca6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.12 04:29:16, skipping insertion in model container [2018-12-08 16:29:16,999 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-08 16:29:16,999 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:29:16" (3/3) ... [2018-12-08 16:29:17,000 INFO L375 chiAutomizerObserver]: Analyzing ICFG Urban-2013WST-Fig1-alloca_false-termination.c.i [2018-12-08 16:29:17,031 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 16:29:17,032 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-12-08 16:29:17,032 INFO L375 BuchiCegarLoop]: Hoare is false [2018-12-08 16:29:17,032 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-12-08 16:29:17,032 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 16:29:17,032 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 16:29:17,032 INFO L379 BuchiCegarLoop]: Difference is false [2018-12-08 16:29:17,032 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 16:29:17,032 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-12-08 16:29:17,040 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states. [2018-12-08 16:29:17,053 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-12-08 16:29:17,053 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-08 16:29:17,053 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-08 16:29:17,057 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-12-08 16:29:17,057 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-12-08 16:29:17,057 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-12-08 16:29:17,057 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states. [2018-12-08 16:29:17,058 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-12-08 16:29:17,058 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-08 16:29:17,058 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-08 16:29:17,058 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-12-08 16:29:17,058 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-12-08 16:29:17,064 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 3#L-1true havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~mem4, main_#t~mem5, main_#t~mem3, main_~x~0.base, main_~x~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.alloc(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset; 5#L549-2true [2018-12-08 16:29:17,064 INFO L796 eck$LassoCheckResult]: Loop: 5#L549-2true call main_#t~mem3 := read~int(main_~x~0.base, main_~x~0.offset, 4); 6#L548-1true assume !!(main_#t~mem3 <= 10);havoc main_#t~mem3;call main_#t~mem4 := read~int(main_~x~0.base, main_~x~0.offset, 4); 11#L549true assume !(main_#t~mem4 > 6);havoc main_#t~mem4; 5#L549-2true [2018-12-08 16:29:17,067 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:29:17,068 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2018-12-08 16:29:17,069 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:29:17,069 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:29:17,104 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:29:17,104 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:29:17,104 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:29:17,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 16:29:17,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 16:29:17,140 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:29:17,140 INFO L82 PathProgramCache]: Analyzing trace with hash 36907, now seen corresponding path program 1 times [2018-12-08 16:29:17,141 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:29:17,141 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:29:17,142 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:29:17,142 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:29:17,143 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:29:17,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 16:29:17,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 16:29:17,159 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:29:17,159 INFO L82 PathProgramCache]: Analyzing trace with hash 28695849, now seen corresponding path program 1 times [2018-12-08 16:29:17,159 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:29:17,159 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:29:17,161 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:29:17,161 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:29:17,161 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:29:17,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 16:29:17,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 16:29:17,284 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 08.12 04:29:17 BoogieIcfgContainer [2018-12-08 16:29:17,284 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-12-08 16:29:17,284 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 16:29:17,284 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 16:29:17,285 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 16:29:17,285 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:29:16" (3/4) ... [2018-12-08 16:29:17,287 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-12-08 16:29:17,309 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_95995ee1-5447-4acf-b9b6-fbb547ee4835/bin-2019/uautomizer/witness.graphml [2018-12-08 16:29:17,309 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 16:29:17,309 INFO L168 Benchmark]: Toolchain (without parser) took 734.91 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 76.5 MB). Free memory was 957.1 MB in the beginning and 999.1 MB in the end (delta: -42.1 MB). Peak memory consumption was 34.5 MB. Max. memory is 11.5 GB. [2018-12-08 16:29:17,310 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 16:29:17,310 INFO L168 Benchmark]: CACSL2BoogieTranslator took 258.18 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 76.5 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -102.0 MB). Peak memory consumption was 25.7 MB. Max. memory is 11.5 GB. [2018-12-08 16:29:17,311 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.22 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 16:29:17,311 INFO L168 Benchmark]: Boogie Preprocessor took 13.31 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 16:29:17,311 INFO L168 Benchmark]: RCFGBuilder took 123.79 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 19.6 MB). Peak memory consumption was 19.6 MB. Max. memory is 11.5 GB. [2018-12-08 16:29:17,311 INFO L168 Benchmark]: BuchiAutomizer took 289.59 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 999.1 MB in the end (delta: 40.4 MB). Peak memory consumption was 40.4 MB. Max. memory is 11.5 GB. [2018-12-08 16:29:17,312 INFO L168 Benchmark]: Witness Printer took 24.38 ms. Allocated memory is still 1.1 GB. Free memory is still 999.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 16:29:17,313 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 258.18 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 76.5 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -102.0 MB). Peak memory consumption was 25.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 23.22 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 13.31 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 123.79 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 19.6 MB). Peak memory consumption was 19.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 289.59 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 999.1 MB in the end (delta: 40.4 MB). Peak memory consumption was 40.4 MB. Max. memory is 11.5 GB. * Witness Printer took 24.38 ms. Allocated memory is still 1.1 GB. Free memory is still 999.1 MB. There was no memory consumed. 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 0.2s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 0.2s. 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: 548]: 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.CASTIdExpression@33af13e4=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@107b2d93=3, NULL=0, NULL=0, \result=0, x=3, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@107b2d93=0, x=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTIdExpression@61d4c09b=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTIdExpression@6f327ab5=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 548]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L547] int* x = __builtin_alloca (sizeof(int)); Loop: [L548] EXPR \read(*x) [L548] COND TRUE *x <= 10 [L549] EXPR \read(*x) [L549] COND FALSE !(*x > 6) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...