./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/termination-crafted/Mysore_false-termination_true-valid-memsafety.c --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_ba8aa35b-9e0c-4094-92f2-cd265e46971b/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ba8aa35b-9e0c-4094-92f2-cd265e46971b/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ba8aa35b-9e0c-4094-92f2-cd265e46971b/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ba8aa35b-9e0c-4094-92f2-cd265e46971b/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/Mysore_false-termination_true-valid-memsafety.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ba8aa35b-9e0c-4094-92f2-cd265e46971b/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ba8aa35b-9e0c-4094-92f2-cd265e46971b/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 a7efd1a0f3e3646ffbf8e76b3eb61ab823f0d031 ....................................................................................................................................................................................................................................................................................................................................................................................................................... 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 [2018-11-10 04:35:39,516 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 04:35:39,517 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 04:35:39,525 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 04:35:39,526 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 04:35:39,526 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 04:35:39,527 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 04:35:39,528 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 04:35:39,529 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 04:35:39,530 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 04:35:39,530 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 04:35:39,531 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 04:35:39,531 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 04:35:39,532 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 04:35:39,533 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 04:35:39,533 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 04:35:39,534 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 04:35:39,535 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 04:35:39,536 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 04:35:39,537 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 04:35:39,538 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 04:35:39,538 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 04:35:39,540 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 04:35:39,540 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 04:35:39,540 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 04:35:39,541 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 04:35:39,541 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 04:35:39,542 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 04:35:39,543 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 04:35:39,543 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 04:35:39,543 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 04:35:39,544 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 04:35:39,544 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 04:35:39,544 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 04:35:39,545 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 04:35:39,545 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 04:35:39,545 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ba8aa35b-9e0c-4094-92f2-cd265e46971b/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2018-11-10 04:35:39,555 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 04:35:39,556 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 04:35:39,557 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 04:35:39,557 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 04:35:39,557 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 04:35:39,557 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-10 04:35:39,557 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-10 04:35:39,557 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-10 04:35:39,557 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-10 04:35:39,557 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-10 04:35:39,558 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-10 04:35:39,558 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 04:35:39,558 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-10 04:35:39,558 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 04:35:39,558 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 04:35:39,558 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-10 04:35:39,558 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-10 04:35:39,559 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-10 04:35:39,559 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 04:35:39,559 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-10 04:35:39,559 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-10 04:35:39,559 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 04:35:39,559 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 04:35:39,559 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-10 04:35:39,559 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 04:35:39,560 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-10 04:35:39,560 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-10 04:35:39,560 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-10 04:35:39,561 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_ba8aa35b-9e0c-4094-92f2-cd265e46971b/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 -> a7efd1a0f3e3646ffbf8e76b3eb61ab823f0d031 [2018-11-10 04:35:39,584 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 04:35:39,593 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 04:35:39,596 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 04:35:39,597 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 04:35:39,597 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 04:35:39,597 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ba8aa35b-9e0c-4094-92f2-cd265e46971b/bin-2019/uautomizer/../../sv-benchmarks/c/termination-crafted/Mysore_false-termination_true-valid-memsafety.c [2018-11-10 04:35:39,634 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ba8aa35b-9e0c-4094-92f2-cd265e46971b/bin-2019/uautomizer/data/cfdff05ca/f2f9d6a4217f4df6a3cf7ef13ae3928f/FLAGe8293d0a7 [2018-11-10 04:35:39,931 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 04:35:39,931 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ba8aa35b-9e0c-4094-92f2-cd265e46971b/sv-benchmarks/c/termination-crafted/Mysore_false-termination_true-valid-memsafety.c [2018-11-10 04:35:39,937 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ba8aa35b-9e0c-4094-92f2-cd265e46971b/bin-2019/uautomizer/data/cfdff05ca/f2f9d6a4217f4df6a3cf7ef13ae3928f/FLAGe8293d0a7 [2018-11-10 04:35:39,948 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ba8aa35b-9e0c-4094-92f2-cd265e46971b/bin-2019/uautomizer/data/cfdff05ca/f2f9d6a4217f4df6a3cf7ef13ae3928f [2018-11-10 04:35:39,951 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 04:35:39,952 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 04:35:39,953 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 04:35:39,953 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 04:35:39,956 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 04:35:39,957 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 04:35:39" (1/1) ... [2018-11-10 04:35:39,959 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@680a2912 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:35:39, skipping insertion in model container [2018-11-10 04:35:39,959 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 04:35:39" (1/1) ... [2018-11-10 04:35:39,967 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 04:35:39,983 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 04:35:40,090 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 04:35:40,093 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 04:35:40,103 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 04:35:40,113 INFO L193 MainTranslator]: Completed translation [2018-11-10 04:35:40,113 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:35:40 WrapperNode [2018-11-10 04:35:40,113 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 04:35:40,114 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 04:35:40,114 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 04:35:40,114 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 04:35:40,119 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:35:40" (1/1) ... [2018-11-10 04:35:40,122 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:35:40" (1/1) ... [2018-11-10 04:35:40,131 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 04:35:40,132 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 04:35:40,132 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 04:35:40,132 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 04:35:40,137 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:35:40" (1/1) ... [2018-11-10 04:35:40,137 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:35:40" (1/1) ... [2018-11-10 04:35:40,137 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:35:40" (1/1) ... [2018-11-10 04:35:40,137 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:35:40" (1/1) ... [2018-11-10 04:35:40,138 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:35:40" (1/1) ... [2018-11-10 04:35:40,140 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:35:40" (1/1) ... [2018-11-10 04:35:40,141 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:35:40" (1/1) ... [2018-11-10 04:35:40,141 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 04:35:40,142 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 04:35:40,142 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 04:35:40,142 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 04:35:40,142 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:35:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ba8aa35b-9e0c-4094-92f2-cd265e46971b/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 [2018-11-10 04:35:40,211 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 04:35:40,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 04:35:40,291 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 04:35:40,291 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:35:40 BoogieIcfgContainer [2018-11-10 04:35:40,292 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 04:35:40,292 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-10 04:35:40,292 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-10 04:35:40,294 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-10 04:35:40,294 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-10 04:35:40,295 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 10.11 04:35:39" (1/3) ... [2018-11-10 04:35:40,295 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4baee60c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 04:35:40, skipping insertion in model container [2018-11-10 04:35:40,295 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-10 04:35:40,295 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:35:40" (2/3) ... [2018-11-10 04:35:40,296 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4baee60c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 04:35:40, skipping insertion in model container [2018-11-10 04:35:40,296 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-10 04:35:40,296 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:35:40" (3/3) ... [2018-11-10 04:35:40,297 INFO L375 chiAutomizerObserver]: Analyzing ICFG Mysore_false-termination_true-valid-memsafety.c [2018-11-10 04:35:40,329 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 04:35:40,329 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-10 04:35:40,329 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-10 04:35:40,329 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-10 04:35:40,330 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 04:35:40,330 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 04:35:40,330 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-10 04:35:40,330 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 04:35:40,330 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-10 04:35:40,338 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2018-11-10 04:35:40,350 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-11-10 04:35:40,351 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-10 04:35:40,351 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-10 04:35:40,355 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2018-11-10 04:35:40,355 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-11-10 04:35:40,355 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-10 04:35:40,356 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2018-11-10 04:35:40,356 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-11-10 04:35:40,356 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-10 04:35:40,356 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-10 04:35:40,357 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2018-11-10 04:35:40,357 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-11-10 04:35:40,361 INFO L793 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 3#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_~x~0, main_~c~0;havoc main_~x~0;havoc main_~c~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~c~0 := main_#t~nondet1;havoc main_#t~nondet1; 7#L18true assume !!(-65535 <= main_~x~0 && main_~x~0 <= 65535); 9#L19true assume !!(-65535 <= main_~c~0 && main_~c~0 <= 65535); 12#L20true assume main_~c~0 < 0; 8#L21-3true [2018-11-10 04:35:40,361 INFO L795 eck$LassoCheckResult]: Loop: 8#L21-3true assume true; 13#L21-1true assume !!(main_~x~0 + main_~c~0 >= 0);main_~x~0 := main_~x~0 - main_~c~0;main_~c~0 := main_~c~0 - 1; 8#L21-3true [2018-11-10 04:35:40,364 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:35:40,365 INFO L82 PathProgramCache]: Analyzing trace with hash 28695847, now seen corresponding path program 1 times [2018-11-10 04:35:40,366 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 04:35:40,367 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 04:35:40,407 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:35:40,407 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:35:40,407 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:35:40,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 04:35:40,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 04:35:40,430 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:35:40,430 INFO L82 PathProgramCache]: Analyzing trace with hash 1575, now seen corresponding path program 1 times [2018-11-10 04:35:40,430 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 04:35:40,431 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 04:35:40,432 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:35:40,432 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:35:40,432 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:35:40,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 04:35:40,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 04:35:40,438 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:35:40,438 INFO L82 PathProgramCache]: Analyzing trace with hash 1806905805, now seen corresponding path program 1 times [2018-11-10 04:35:40,439 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 04:35:40,439 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 04:35:40,439 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:35:40,440 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:35:40,440 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:35:40,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 04:35:40,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 04:35:40,483 INFO L214 LassoAnalysis]: Preferences: [2018-11-10 04:35:40,484 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-10 04:35:40,484 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-10 04:35:40,484 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-10 04:35:40,484 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-10 04:35:40,484 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 04:35:40,484 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-10 04:35:40,484 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-10 04:35:40,485 INFO L131 ssoRankerPreferences]: Filename of dumped script: Mysore_false-termination_true-valid-memsafety.c_Iteration1_Loop [2018-11-10 04:35:40,485 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-10 04:35:40,485 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-11-10 04:35:40,504 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 04:35:40,515 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 04:35:40,522 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 04:35:40,600 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-11-10 04:35:40,601 INFO L410 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ba8aa35b-9e0c-4094-92f2-cd265e46971b/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 04:35:40,605 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 04:35:40,606 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 04:35:40,624 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-11-10 04:35:40,624 INFO L446 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ba8aa35b-9e0c-4094-92f2-cd265e46971b/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 04:35:40,627 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 04:35:40,627 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 04:35:40,654 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-11-10 04:35:40,654 INFO L446 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ba8aa35b-9e0c-4094-92f2-cd265e46971b/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 04:35:40,659 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 04:35:40,659 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ba8aa35b-9e0c-4094-92f2-cd265e46971b/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 04:35:40,678 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-10 04:35:40,678 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 04:35:40,758 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-11-10 04:35:40,758 INFO L446 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~c~0=-7, ULTIMATE.start_main_~x~0=7} Honda state: {ULTIMATE.start_main_~c~0=-7, ULTIMATE.start_main_~x~0=7} Generalized eigenvectors: [{ULTIMATE.start_main_~c~0=-1, ULTIMATE.start_main_~x~0=6}, {ULTIMATE.start_main_~c~0=0, ULTIMATE.start_main_~x~0=1}, {ULTIMATE.start_main_~c~0=0, ULTIMATE.start_main_~x~0=0}] Lambdas: [1, 1, 2] Nus: [1, 0] [2018-11-10 04:35:40,818 INFO L214 LassoAnalysis]: Preferences: [2018-11-10 04:35:40,818 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-10 04:35:40,818 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-10 04:35:40,818 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-10 04:35:40,819 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-10 04:35:40,819 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 04:35:40,819 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-10 04:35:40,819 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-10 04:35:40,819 INFO L131 ssoRankerPreferences]: Filename of dumped script: Mysore_false-termination_true-valid-memsafety.c_Iteration1_Lasso [2018-11-10 04:35:40,819 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-10 04:35:40,819 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-11-10 04:35:40,821 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 04:35:40,826 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 04:35:40,828 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 04:35:40,830 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 04:35:40,833 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 04:35:40,835 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 04:35:40,917 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-11-10 04:35:40,917 INFO L410 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ba8aa35b-9e0c-4094-92f2-cd265e46971b/bin-2019/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 04:35:40,923 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 04:35:40,923 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 04:35:40,925 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-11-10 04:35:40,925 INFO L446 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1=0} Honda state: {ULTIMATE.start_main_#t~nondet1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ba8aa35b-9e0c-4094-92f2-cd265e46971b/bin-2019/uautomizer/z3 Starting monitored process 7 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 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 04:35:40,949 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 04:35:40,949 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 04:35:40,968 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-11-10 04:35:40,969 INFO L446 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_2=0} Honda state: {v_rep~unnamed0~0~false_2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ba8aa35b-9e0c-4094-92f2-cd265e46971b/bin-2019/uautomizer/z3 Starting monitored process 8 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 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 04:35:40,971 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 04:35:40,971 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 04:35:40,973 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-11-10 04:35:40,973 INFO L446 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ba8aa35b-9e0c-4094-92f2-cd265e46971b/bin-2019/uautomizer/z3 Starting monitored process 9 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 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 04:35:40,988 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 04:35:40,988 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 04:35:40,990 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-11-10 04:35:40,990 INFO L446 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ba8aa35b-9e0c-4094-92f2-cd265e46971b/bin-2019/uautomizer/z3 Starting monitored process 10 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 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 04:35:41,006 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 04:35:41,006 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 04:35:41,021 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-11-10 04:35:41,022 INFO L446 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_2=1} Honda state: {v_rep~unnamed0~0~true_2=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ba8aa35b-9e0c-4094-92f2-cd265e46971b/bin-2019/uautomizer/z3 Starting monitored process 11 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 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 04:35:41,024 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 04:35:41,024 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ba8aa35b-9e0c-4094-92f2-cd265e46971b/bin-2019/uautomizer/z3 Starting monitored process 12 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 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 04:35:41,042 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-10 04:35:41,042 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 04:35:51,020 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-11-10 04:35:51,020 INFO L446 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~c~0=0, ULTIMATE.start_main_~x~0=0} Honda state: {ULTIMATE.start_main_~c~0=-50176, ULTIMATE.start_main_~x~0=58305} Generalized eigenvectors: [{ULTIMATE.start_main_~c~0=0, ULTIMATE.start_main_~x~0=0}, {ULTIMATE.start_main_~c~0=-1, ULTIMATE.start_main_~x~0=50175}, {ULTIMATE.start_main_~c~0=0, ULTIMATE.start_main_~x~0=1}] Lambdas: [0, 1, 1] Nus: [0, 1] [2018-11-10 04:35:51,041 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2018-11-10 04:35:51,042 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2018-11-10 04:35:51,042 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2018-11-10 04:35:51,042 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2018-11-10 04:35:51,043 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2018-11-10 04:35:51,043 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2018-11-10 04:35:51,052 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 10.11 04:35:51 BoogieIcfgContainer [2018-11-10 04:35:51,052 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-10 04:35:51,052 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 04:35:51,052 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 04:35:51,052 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 04:35:51,053 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:35:40" (3/4) ... [2018-11-10 04:35:51,054 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-10 04:35:51,078 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ba8aa35b-9e0c-4094-92f2-cd265e46971b/bin-2019/uautomizer/witness.graphml [2018-11-10 04:35:51,078 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 04:35:51,079 INFO L168 Benchmark]: Toolchain (without parser) took 11127.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 959.1 MB in the beginning and 1.0 GB in the end (delta: -48.6 MB). Peak memory consumption was 82.4 MB. Max. memory is 11.5 GB. [2018-11-10 04:35:51,080 INFO L168 Benchmark]: CDTParser took 0.14 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. [2018-11-10 04:35:51,080 INFO L168 Benchmark]: CACSL2BoogieTranslator took 160.62 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 948.4 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. [2018-11-10 04:35:51,080 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.69 ms. Allocated memory is still 1.0 GB. Free memory is still 948.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 04:35:51,081 INFO L168 Benchmark]: Boogie Preprocessor took 9.80 ms. Allocated memory is still 1.0 GB. Free memory was 948.4 MB in the beginning and 945.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 04:35:51,081 INFO L168 Benchmark]: RCFGBuilder took 150.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -174.8 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. [2018-11-10 04:35:51,081 INFO L168 Benchmark]: BuchiAutomizer took 10759.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 112.7 MB). Peak memory consumption was 112.7 MB. Max. memory is 11.5 GB. [2018-11-10 04:35:51,081 INFO L168 Benchmark]: Witness Printer took 26.31 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 04:35:51,083 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 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 160.62 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 948.4 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 17.69 ms. Allocated memory is still 1.0 GB. Free memory is still 948.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 9.80 ms. Allocated memory is still 1.0 GB. Free memory was 948.4 MB in the beginning and 945.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 150.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -174.8 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 10759.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 112.7 MB). Peak memory consumption was 112.7 MB. Max. memory is 11.5 GB. * Witness Printer took 26.31 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one nonterminating module. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 10.7s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 10.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: No data available LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital27 mio100 ax148 hnf94 lsp65 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq153 hnf94 smp100 dnf100 smp100 tf103 neg100 sie102 LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 7 LassoNonterminationAnalysisSatUnbounded: 2 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 10.2s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - GeometricNonTerminationArgumentResult [Line: 21]: Nontermination argument in form of an infinite program execution. [2018-11-10 04:35:51,086 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2018-11-10 04:35:51,087 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2018-11-10 04:35:51,087 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2018-11-10 04:35:51,087 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2018-11-10 04:35:51,087 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2018-11-10 04:35:51,087 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2018-11-10 04:35:51,088 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2018-11-10 04:35:51,088 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2018-11-10 04:35:51,088 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2018-11-10 04:35:51,088 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2018-11-10 04:35:51,088 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2018-11-10 04:35:51,088 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false Nontermination argument in form of an infinite execution State at position 0 is {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4d0f0d65=0, \result=0, ~unnamed0~0~true=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@23b594de=0, c=0, ~unnamed0~0~false=0, x=0} State at position 1 is {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4d0f0d65=0, \result=0, ~unnamed0~0~true=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@23b594de=0, c=-50176, ~unnamed0~0~false=0, x=58305} For i>1, the state at position i is {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4d0f0d65=0 + sum_{k=0}^i 0, \result=0 + sum_{k=0}^i 0, ~unnamed0~0~true=1 + sum_{k=0}^i 0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@23b594de=0 + sum_{k=0}^i 0, c=-50176 + sum_{k=0}^i -1, ~unnamed0~0~false=0 + sum_{k=0}^i 0, x=58305 + sum_{k=0}^i 50175 + 1 + 1*k} - StatisticsResult: NonterminationArgumentStatistics Unbounded Execution 2GEVs Lambdas: [0, 1, 1] Mus: [0, 1] - NonterminatingLassoResult [Line: 21]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L13] int x; [L14] int c; [L15] x = __VERIFIER_nondet_int() [L16] c = __VERIFIER_nondet_int() [L18] COND FALSE !(!(-65535<=x && x<=65535)) [L19] COND FALSE !(!(-65535<=c && c<=65535)) [L20] COND TRUE c < 0 Loop: [L21] COND TRUE x + c >= 0 [L22] x = x - c [L23] c = c - 1 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...