./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/termination-crafted/Arrays02-EquivalentConstantIndices_false-termination_true-valid-memsafety.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_3854c47b-96fd-4d4c-91a6-01e97aa4fccb/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3854c47b-96fd-4d4c-91a6-01e97aa4fccb/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3854c47b-96fd-4d4c-91a6-01e97aa4fccb/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3854c47b-96fd-4d4c-91a6-01e97aa4fccb/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/Arrays02-EquivalentConstantIndices_false-termination_true-valid-memsafety.c -s /tmp/vcloud-vcloud-master/worker/working_dir_3854c47b-96fd-4d4c-91a6-01e97aa4fccb/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3854c47b-96fd-4d4c-91a6-01e97aa4fccb/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 82d88771a4d6981dd8046712320ab94a6b8bbd5d ............................................................................................................................................................................................................................................................................. 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 0.1.23-5842f4b [2018-11-18 15:25:37,494 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 15:25:37,496 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 15:25:37,511 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 15:25:37,511 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 15:25:37,512 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 15:25:37,513 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 15:25:37,514 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 15:25:37,515 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 15:25:37,515 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 15:25:37,516 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 15:25:37,516 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 15:25:37,517 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 15:25:37,518 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 15:25:37,519 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 15:25:37,519 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 15:25:37,520 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 15:25:37,522 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 15:25:37,523 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 15:25:37,524 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 15:25:37,525 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 15:25:37,526 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 15:25:37,528 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 15:25:37,528 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 15:25:37,528 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 15:25:37,529 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 15:25:37,529 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 15:25:37,530 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 15:25:37,530 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 15:25:37,531 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 15:25:37,531 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 15:25:37,532 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 15:25:37,532 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 15:25:37,532 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 15:25:37,534 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 15:25:37,535 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 15:25:37,535 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3854c47b-96fd-4d4c-91a6-01e97aa4fccb/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2018-11-18 15:25:37,546 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 15:25:37,547 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 15:25:37,547 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 15:25:37,548 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 15:25:37,548 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 15:25:37,548 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 15:25:37,548 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 15:25:37,548 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 15:25:37,548 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 15:25:37,548 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 15:25:37,548 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 15:25:37,549 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 15:25:37,549 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 15:25:37,549 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 15:25:37,549 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 15:25:37,549 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 15:25:37,549 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 15:25:37,549 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 15:25:37,550 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 15:25:37,550 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 15:25:37,550 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 15:25:37,550 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 15:25:37,550 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 15:25:37,550 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 15:25:37,550 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 15:25:37,551 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 15:25:37,551 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 15:25:37,551 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 15:25:37,551 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 15:25:37,551 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_3854c47b-96fd-4d4c-91a6-01e97aa4fccb/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 -> 82d88771a4d6981dd8046712320ab94a6b8bbd5d [2018-11-18 15:25:37,577 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 15:25:37,585 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 15:25:37,588 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 15:25:37,589 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 15:25:37,589 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 15:25:37,590 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3854c47b-96fd-4d4c-91a6-01e97aa4fccb/bin-2019/uautomizer/../../sv-benchmarks/c/termination-crafted/Arrays02-EquivalentConstantIndices_false-termination_true-valid-memsafety.c [2018-11-18 15:25:37,631 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3854c47b-96fd-4d4c-91a6-01e97aa4fccb/bin-2019/uautomizer/data/4bdb9e487/de7925e96ec046d5a3eaac4d95e80751/FLAG6a07ba443 [2018-11-18 15:25:37,965 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 15:25:37,965 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3854c47b-96fd-4d4c-91a6-01e97aa4fccb/sv-benchmarks/c/termination-crafted/Arrays02-EquivalentConstantIndices_false-termination_true-valid-memsafety.c [2018-11-18 15:25:37,970 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3854c47b-96fd-4d4c-91a6-01e97aa4fccb/bin-2019/uautomizer/data/4bdb9e487/de7925e96ec046d5a3eaac4d95e80751/FLAG6a07ba443 [2018-11-18 15:25:37,981 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3854c47b-96fd-4d4c-91a6-01e97aa4fccb/bin-2019/uautomizer/data/4bdb9e487/de7925e96ec046d5a3eaac4d95e80751 [2018-11-18 15:25:37,984 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 15:25:37,985 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 15:25:37,986 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 15:25:37,986 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 15:25:37,989 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 15:25:37,990 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:25:37" (1/1) ... [2018-11-18 15:25:37,992 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fe9864d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:25:37, skipping insertion in model container [2018-11-18 15:25:37,992 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:25:37" (1/1) ... [2018-11-18 15:25:38,001 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 15:25:38,014 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 15:25:38,151 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:25:38,154 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 15:25:38,168 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:25:38,183 INFO L195 MainTranslator]: Completed translation [2018-11-18 15:25:38,183 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:25:38 WrapperNode [2018-11-18 15:25:38,184 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 15:25:38,184 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 15:25:38,184 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 15:25:38,184 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 15:25:38,191 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:25:38" (1/1) ... [2018-11-18 15:25:38,198 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:25:38" (1/1) ... [2018-11-18 15:25:38,212 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 15:25:38,212 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 15:25:38,212 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 15:25:38,212 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 15:25:38,219 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:25:38" (1/1) ... [2018-11-18 15:25:38,220 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:25:38" (1/1) ... [2018-11-18 15:25:38,221 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:25:38" (1/1) ... [2018-11-18 15:25:38,221 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:25:38" (1/1) ... [2018-11-18 15:25:38,224 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:25:38" (1/1) ... [2018-11-18 15:25:38,227 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:25:38" (1/1) ... [2018-11-18 15:25:38,228 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:25:38" (1/1) ... [2018-11-18 15:25:38,229 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 15:25:38,229 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 15:25:38,229 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 15:25:38,230 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 15:25:38,230 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:25:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3854c47b-96fd-4d4c-91a6-01e97aa4fccb/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 [2018-11-18 15:25:38,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-18 15:25:38,324 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 15:25:38,324 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 15:25:38,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 15:25:38,324 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 15:25:38,325 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 15:25:38,431 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 15:25:38,431 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:25:38 BoogieIcfgContainer [2018-11-18 15:25:38,432 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 15:25:38,432 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 15:25:38,432 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 15:25:38,435 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 15:25:38,435 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 15:25:38,435 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 03:25:37" (1/3) ... [2018-11-18 15:25:38,436 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@62ca035 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 03:25:38, skipping insertion in model container [2018-11-18 15:25:38,436 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 15:25:38,437 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:25:38" (2/3) ... [2018-11-18 15:25:38,437 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@62ca035 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 03:25:38, skipping insertion in model container [2018-11-18 15:25:38,437 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 15:25:38,437 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:25:38" (3/3) ... [2018-11-18 15:25:38,439 INFO L375 chiAutomizerObserver]: Analyzing ICFG Arrays02-EquivalentConstantIndices_false-termination_true-valid-memsafety.c [2018-11-18 15:25:38,483 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 15:25:38,483 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 15:25:38,483 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 15:25:38,483 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 15:25:38,483 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 15:25:38,483 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 15:25:38,483 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 15:25:38,483 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 15:25:38,483 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 15:25:38,492 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states. [2018-11-18 15:25:38,507 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-11-18 15:25:38,508 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 15:25:38,508 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 15:25:38,513 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-11-18 15:25:38,514 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-11-18 15:25:38,514 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 15:25:38,514 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states. [2018-11-18 15:25:38,515 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-11-18 15:25:38,515 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 15:25:38,515 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 15:25:38,515 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-11-18 15:25:38,515 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-11-18 15:25:38,522 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 3#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~mem1, main_#t~nondet2, main_#t~mem0, main_~#a~0.base, main_~#a~0.offset;call main_~#a~0.base, main_~#a~0.offset := #Ultimate.alloc(4192); 6#L10-4true [2018-11-18 15:25:38,522 INFO L796 eck$LassoCheckResult]: Loop: 6#L10-4true assume true; 11#L10-1true call main_#t~mem0 := read~int(main_~#a~0.base, 8 + main_~#a~0.offset, 4); 8#L10-2true assume !!(main_#t~mem0 >= 0);havoc main_#t~mem0;call main_#t~mem1 := read~int(main_~#a~0.base, 8 + main_~#a~0.offset, 4);call write~int(main_#t~mem1 - 1, main_~#a~0.base, 8 + main_~#a~0.offset, 4);havoc main_#t~mem1;call write~int(main_#t~nondet2, main_~#a~0.base, 8 + main_~#a~0.offset, 4);havoc main_#t~nondet2; 6#L10-4true [2018-11-18 15:25:38,527 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:25:38,527 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2018-11-18 15:25:38,528 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:25:38,528 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:25:38,558 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:25:38,558 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:25:38,558 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:25:38,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:25:38,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:25:38,595 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:25:38,595 INFO L82 PathProgramCache]: Analyzing trace with hash 35818, now seen corresponding path program 1 times [2018-11-18 15:25:38,595 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:25:38,596 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:25:38,596 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:25:38,596 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:25:38,597 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:25:38,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:25:38,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:25:38,613 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:25:38,613 INFO L82 PathProgramCache]: Analyzing trace with hash 28694760, now seen corresponding path program 1 times [2018-11-18 15:25:38,613 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:25:38,613 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:25:38,614 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:25:38,614 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:25:38,614 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:25:38,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:25:38,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:25:38,817 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 03:25:38 BoogieIcfgContainer [2018-11-18 15:25:38,817 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 15:25:38,817 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 15:25:38,817 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 15:25:38,817 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 15:25:38,818 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:25:38" (3/4) ... [2018-11-18 15:25:38,820 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 15:25:38,844 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_3854c47b-96fd-4d4c-91a6-01e97aa4fccb/bin-2019/uautomizer/witness.graphml [2018-11-18 15:25:38,844 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 15:25:38,845 INFO L168 Benchmark]: Toolchain (without parser) took 860.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.5 MB). Free memory was 960.7 MB in the beginning and 1.1 GB in the end (delta: -154.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 11.5 GB. [2018-11-18 15:25:38,846 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. [2018-11-18 15:25:38,846 INFO L168 Benchmark]: CACSL2BoogieTranslator took 197.93 ms. Allocated memory is still 1.0 GB. Free memory was 960.7 MB in the beginning and 948.9 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2018-11-18 15:25:38,847 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.69 ms. Allocated memory is still 1.0 GB. Free memory was 948.9 MB in the beginning and 946.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 15:25:38,847 INFO L168 Benchmark]: Boogie Preprocessor took 17.06 ms. Allocated memory is still 1.0 GB. Free memory is still 946.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:25:38,848 INFO L168 Benchmark]: RCFGBuilder took 202.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.5 MB). Free memory was 946.2 MB in the beginning and 1.1 GB in the end (delta: -202.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. [2018-11-18 15:25:38,848 INFO L168 Benchmark]: BuchiAutomizer took 385.00 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: 30.6 MB). Peak memory consumption was 30.6 MB. Max. memory is 11.5 GB. [2018-11-18 15:25:38,849 INFO L168 Benchmark]: Witness Printer took 26.93 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 15:25:38,851 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 197.93 ms. Allocated memory is still 1.0 GB. Free memory was 960.7 MB in the beginning and 948.9 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.69 ms. Allocated memory is still 1.0 GB. Free memory was 948.9 MB in the beginning and 946.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.06 ms. Allocated memory is still 1.0 GB. Free memory is still 946.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 202.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.5 MB). Free memory was 946.2 MB in the beginning and 1.1 GB in the end (delta: -202.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 385.00 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: 30.6 MB). Peak memory consumption was 30.6 MB. Max. memory is 11.5 GB. * Witness Printer took 26.93 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one nonterminating module. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.3s 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: 10]: 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.CASTArraySubscriptExpression@7a97c60e=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTArraySubscriptExpression@6b449e91=0, NULL=0, \result=0, a=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@36ca5438=8855, a=2} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 10]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L9] FCALL int a[1048]; Loop: [L10] EXPR, FCALL a[2] [L10] COND TRUE a[2] >= 0 [L11] EXPR, FCALL a[2] [L11] FCALL a[2] = a[2] - 1 [L12] FCALL a[1+1] = __VERIFIER_nondet_int() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...