./Ultimate.py --spec ../../sv-benchmarks/c/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 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_d40373aa-dbdf-4b72-8621-56335e772755/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d40373aa-dbdf-4b72-8621-56335e772755/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d40373aa-dbdf-4b72-8621-56335e772755/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d40373aa-dbdf-4b72-8621-56335e772755/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_d40373aa-dbdf-4b72-8621-56335e772755/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d40373aa-dbdf-4b72-8621-56335e772755/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 0.1.23-1dbac8b [2018-10-27 06:12:22,795 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 06:12:22,796 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 06:12:22,807 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 06:12:22,808 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 06:12:22,808 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 06:12:22,809 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 06:12:22,812 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 06:12:22,813 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 06:12:22,814 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 06:12:22,814 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 06:12:22,815 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 06:12:22,820 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 06:12:22,821 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 06:12:22,822 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 06:12:22,822 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 06:12:22,827 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 06:12:22,829 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 06:12:22,831 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 06:12:22,832 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 06:12:22,833 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 06:12:22,834 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 06:12:22,849 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 06:12:22,849 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 06:12:22,849 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 06:12:22,850 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 06:12:22,851 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 06:12:22,851 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 06:12:22,852 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 06:12:22,853 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 06:12:22,853 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 06:12:22,854 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 06:12:22,854 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 06:12:22,854 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 06:12:22,855 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 06:12:22,855 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 06:12:22,856 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d40373aa-dbdf-4b72-8621-56335e772755/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2018-10-27 06:12:22,879 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 06:12:22,879 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 06:12:22,881 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-27 06:12:22,881 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-27 06:12:22,881 INFO L133 SettingsManager]: * Use SBE=true [2018-10-27 06:12:22,881 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-10-27 06:12:22,881 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-10-27 06:12:22,882 INFO L133 SettingsManager]: * Use old map elimination=false [2018-10-27 06:12:22,882 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-10-27 06:12:22,882 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-10-27 06:12:22,882 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-10-27 06:12:22,882 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 06:12:22,882 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-10-27 06:12:22,883 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 06:12:22,883 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 06:12:22,883 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-10-27 06:12:22,884 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-10-27 06:12:22,884 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-10-27 06:12:22,885 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 06:12:22,885 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-10-27 06:12:22,885 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-10-27 06:12:22,885 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 06:12:22,885 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 06:12:22,885 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-10-27 06:12:22,886 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 06:12:22,886 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-27 06:12:22,886 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-10-27 06:12:22,887 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-27 06:12:22,887 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_d40373aa-dbdf-4b72-8621-56335e772755/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 [2018-10-27 06:12:22,924 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 06:12:22,936 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 06:12:22,939 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 06:12:22,941 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 06:12:22,941 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 06:12:22,942 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d40373aa-dbdf-4b72-8621-56335e772755/bin-2019/uautomizer/../../sv-benchmarks/c/termination-memory-alloca/Urban-2013WST-Fig1-alloca_false-termination.c.i [2018-10-27 06:12:22,994 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d40373aa-dbdf-4b72-8621-56335e772755/bin-2019/uautomizer/data/d0cae9746/3c24bbed2f70410e8969a44a05a8c883/FLAG064611cfa [2018-10-27 06:12:23,394 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 06:12:23,395 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d40373aa-dbdf-4b72-8621-56335e772755/sv-benchmarks/c/termination-memory-alloca/Urban-2013WST-Fig1-alloca_false-termination.c.i [2018-10-27 06:12:23,406 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d40373aa-dbdf-4b72-8621-56335e772755/bin-2019/uautomizer/data/d0cae9746/3c24bbed2f70410e8969a44a05a8c883/FLAG064611cfa [2018-10-27 06:12:23,424 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d40373aa-dbdf-4b72-8621-56335e772755/bin-2019/uautomizer/data/d0cae9746/3c24bbed2f70410e8969a44a05a8c883 [2018-10-27 06:12:23,426 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 06:12:23,427 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 06:12:23,428 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 06:12:23,428 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 06:12:23,431 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 06:12:23,432 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 06:12:23" (1/1) ... [2018-10-27 06:12:23,434 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18b37f96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:12:23, skipping insertion in model container [2018-10-27 06:12:23,434 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 06:12:23" (1/1) ... [2018-10-27 06:12:23,442 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 06:12:23,472 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 06:12:23,728 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 06:12:23,737 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 06:12:23,776 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 06:12:23,827 INFO L193 MainTranslator]: Completed translation [2018-10-27 06:12:23,828 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:12:23 WrapperNode [2018-10-27 06:12:23,828 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 06:12:23,829 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 06:12:23,829 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 06:12:23,829 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 06:12:23,837 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:12:23" (1/1) ... [2018-10-27 06:12:23,852 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:12:23" (1/1) ... [2018-10-27 06:12:23,964 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 06:12:23,964 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 06:12:23,965 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 06:12:23,965 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 06:12:23,975 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:12:23" (1/1) ... [2018-10-27 06:12:23,975 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:12:23" (1/1) ... [2018-10-27 06:12:23,977 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:12:23" (1/1) ... [2018-10-27 06:12:23,978 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:12:23" (1/1) ... [2018-10-27 06:12:23,983 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:12:23" (1/1) ... [2018-10-27 06:12:23,989 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:12:23" (1/1) ... [2018-10-27 06:12:23,991 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:12:23" (1/1) ... [2018-10-27 06:12:23,993 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 06:12:23,995 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 06:12:23,999 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 06:12:23,999 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 06:12:24,000 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:12:23" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d40373aa-dbdf-4b72-8621-56335e772755/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 [2018-10-27 06:12:24,068 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-10-27 06:12:24,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-10-27 06:12:24,068 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 06:12:24,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 06:12:24,436 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 06:12:24,437 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:12:24 BoogieIcfgContainer [2018-10-27 06:12:24,437 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 06:12:24,438 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-10-27 06:12:24,438 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-10-27 06:12:24,441 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-10-27 06:12:24,442 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-10-27 06:12:24,442 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 27.10 06:12:23" (1/3) ... [2018-10-27 06:12:24,443 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3ea1535f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.10 06:12:24, skipping insertion in model container [2018-10-27 06:12:24,443 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-10-27 06:12:24,443 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:12:23" (2/3) ... [2018-10-27 06:12:24,444 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3ea1535f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.10 06:12:24, skipping insertion in model container [2018-10-27 06:12:24,444 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-10-27 06:12:24,444 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:12:24" (3/3) ... [2018-10-27 06:12:24,445 INFO L375 chiAutomizerObserver]: Analyzing ICFG Urban-2013WST-Fig1-alloca_false-termination.c.i [2018-10-27 06:12:24,501 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-27 06:12:24,501 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-10-27 06:12:24,502 INFO L375 BuchiCegarLoop]: Hoare is false [2018-10-27 06:12:24,502 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-10-27 06:12:24,502 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 06:12:24,502 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 06:12:24,502 INFO L379 BuchiCegarLoop]: Difference is false [2018-10-27 06:12:24,502 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 06:12:24,502 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-10-27 06:12:24,517 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2018-10-27 06:12:24,540 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2018-10-27 06:12:24,540 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-10-27 06:12:24,540 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-10-27 06:12:24,547 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-10-27 06:12:24,547 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2018-10-27 06:12:24,548 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-10-27 06:12:24,548 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2018-10-27 06:12:24,549 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2018-10-27 06:12:24,549 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-10-27 06:12:24,549 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-10-27 06:12:24,550 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-10-27 06:12:24,550 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2018-10-27 06:12:24,557 INFO L793 eck$LassoCheckResult]: Stem: 11#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 10#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~mem4, main_#t~mem5, main_#t~mem3, main_~x~0.base, main_~x~0.offset;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 4;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset; 6#L549-3true [2018-10-27 06:12:24,558 INFO L795 eck$LassoCheckResult]: Loop: 6#L549-3true assume true; 5#L548-1true SUMMARY for call main_#t~mem3 := read~int(main_~x~0.base, main_~x~0.offset, 4); srcloc: L548-1 7#L548-2true assume !!(main_#t~mem3 <= 10);havoc main_#t~mem3; 15#L549true SUMMARY for call main_#t~mem4 := read~int(main_~x~0.base, main_~x~0.offset, 4); srcloc: L549 3#L549-1true assume !(main_#t~mem4 > 6);havoc main_#t~mem4; 6#L549-3true [2018-10-27 06:12:24,562 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:12:24,563 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2018-10-27 06:12:24,564 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:12:24,565 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:12:24,618 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:12:24,618 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:12:24,618 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:12:24,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:12:24,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:12:24,678 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:12:24,680 INFO L82 PathProgramCache]: Analyzing trace with hash 34421554, now seen corresponding path program 1 times [2018-10-27 06:12:24,680 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:12:24,681 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:12:24,683 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:12:24,685 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:12:24,685 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:12:24,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:12:24,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:12:24,706 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:12:24,706 INFO L82 PathProgramCache]: Analyzing trace with hash 1805861040, now seen corresponding path program 1 times [2018-10-27 06:12:24,707 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:12:24,707 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:12:24,709 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:12:24,709 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:12:24,709 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:12:24,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:12:24,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:12:24,847 WARN L179 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 24 [2018-10-27 06:12:25,012 WARN L179 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2018-10-27 06:12:25,125 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 06:12:25,126 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 06:12:25,138 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 27.10 06:12:25 BoogieIcfgContainer [2018-10-27 06:12:25,138 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-10-27 06:12:25,139 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-27 06:12:25,139 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-27 06:12:25,139 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-27 06:12:25,140 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:12:24" (3/4) ... [2018-10-27 06:12:25,144 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-10-27 06:12:25,183 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d40373aa-dbdf-4b72-8621-56335e772755/bin-2019/uautomizer/witness.graphml [2018-10-27 06:12:25,183 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-27 06:12:25,184 INFO L168 Benchmark]: Toolchain (without parser) took 1757.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 177.7 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -159.7 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2018-10-27 06:12:25,185 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 06:12:25,186 INFO L168 Benchmark]: CACSL2BoogieTranslator took 400.44 ms. Allocated memory is still 1.0 GB. Free memory was 957.1 MB in the beginning and 935.6 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-10-27 06:12:25,186 INFO L168 Benchmark]: Boogie Procedure Inliner took 135.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 177.7 MB). Free memory was 935.6 MB in the beginning and 1.2 GB in the end (delta: -238.0 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-10-27 06:12:25,188 INFO L168 Benchmark]: Boogie Preprocessor took 30.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-10-27 06:12:25,189 INFO L168 Benchmark]: RCFGBuilder took 442.44 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 14.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. [2018-10-27 06:12:25,190 INFO L168 Benchmark]: BuchiAutomizer took 700.71 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 32.8 MB). Peak memory consumption was 32.8 MB. Max. memory is 11.5 GB. [2018-10-27 06:12:25,190 INFO L168 Benchmark]: Witness Printer took 44.99 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-10-27 06:12:25,194 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 400.44 ms. Allocated memory is still 1.0 GB. Free memory was 957.1 MB in the beginning and 935.6 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 135.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 177.7 MB). Free memory was 935.6 MB in the beginning and 1.2 GB in the end (delta: -238.0 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 442.44 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 14.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 700.71 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 32.8 MB). Peak memory consumption was 32.8 MB. Max. memory is 11.5 GB. * Witness Printer took 44.99 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled * 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 0.6s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 0.5s. 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. [2018-10-27 06:12:25,206 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 06:12:25,207 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 06:12:25,207 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 06:12:25,208 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled 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@1ce7a375=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@10c5373b=3, NULL=0, \result=0, NULL=0, NULL=4, x=3, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@10c5373b=0, x=0, NULL=3, org.eclipse.cdt.internal.core.dom.parser.c.CASTIdExpression@7652a0ff=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTIdExpression@2dc703f8=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 548]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L547] EXPR, FCALL __builtin_alloca (sizeof(int)) [L547] int* x = __builtin_alloca (sizeof(int)); Loop: [L548] EXPR, FCALL \read(*x) [L548] COND TRUE *x <= 10 [L549] EXPR, FCALL \read(*x) [L549] COND FALSE !(*x > 6) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...