./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-memsafety/openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_064e21ca-0a28-491f-a646-d344b335d0e2/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_064e21ca-0a28-491f-a646-d344b335d0e2/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_064e21ca-0a28-491f-a646-d344b335d0e2/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_064e21ca-0a28-491f-a646-d344b335d0e2/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_064e21ca-0a28-491f-a646-d344b335d0e2/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_064e21ca-0a28-491f-a646-d344b335d0e2/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 32bit --witnessprinter.graph.data.programhash aa22a20876a8e4326d678ff2db099090fa4b56ec ................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 14:17:31,408 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 14:17:31,410 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 14:17:31,417 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 14:17:31,418 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 14:17:31,418 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 14:17:31,419 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 14:17:31,420 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 14:17:31,421 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 14:17:31,422 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 14:17:31,422 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 14:17:31,423 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 14:17:31,423 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 14:17:31,424 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 14:17:31,425 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 14:17:31,425 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 14:17:31,426 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 14:17:31,426 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 14:17:31,428 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 14:17:31,428 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 14:17:31,429 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 14:17:31,430 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 14:17:31,431 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 14:17:31,432 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 14:17:31,432 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 14:17:31,432 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 14:17:31,433 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 14:17:31,433 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 14:17:31,434 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 14:17:31,434 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 14:17:31,435 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 14:17:31,435 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 14:17:31,435 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 14:17:31,435 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 14:17:31,436 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 14:17:31,436 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 14:17:31,437 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_064e21ca-0a28-491f-a646-d344b335d0e2/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-12-02 14:17:31,447 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 14:17:31,447 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 14:17:31,448 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 14:17:31,449 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 14:17:31,449 INFO L133 SettingsManager]: * Use SBE=true [2018-12-02 14:17:31,449 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-12-02 14:17:31,449 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-12-02 14:17:31,449 INFO L133 SettingsManager]: * Use old map elimination=false [2018-12-02 14:17:31,449 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-12-02 14:17:31,449 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-12-02 14:17:31,450 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-12-02 14:17:31,450 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 14:17:31,450 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 14:17:31,450 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-02 14:17:31,450 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 14:17:31,450 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 14:17:31,451 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 14:17:31,451 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-12-02 14:17:31,451 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-12-02 14:17:31,451 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-12-02 14:17:31,451 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 14:17:31,451 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 14:17:31,452 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-12-02 14:17:31,452 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 14:17:31,452 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-12-02 14:17:31,452 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 14:17:31,452 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 14:17:31,452 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-12-02 14:17:31,452 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 14:17:31,453 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-02 14:17:31,453 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-12-02 14:17:31,453 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-12-02 14:17:31,454 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_064e21ca-0a28-491f-a646-d344b335d0e2/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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aa22a20876a8e4326d678ff2db099090fa4b56ec [2018-12-02 14:17:31,470 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 14:17:31,477 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 14:17:31,479 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 14:17:31,480 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 14:17:31,480 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 14:17:31,480 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_064e21ca-0a28-491f-a646-d344b335d0e2/bin-2019/uautomizer/../../sv-benchmarks/c/array-memsafety/openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-12-02 14:17:31,515 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_064e21ca-0a28-491f-a646-d344b335d0e2/bin-2019/uautomizer/data/1a15a78d5/d16f5789b8964733afa39e6da8f86786/FLAGe3c0f29b8 [2018-12-02 14:17:31,988 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 14:17:31,989 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_064e21ca-0a28-491f-a646-d344b335d0e2/sv-benchmarks/c/array-memsafety/openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-12-02 14:17:31,994 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_064e21ca-0a28-491f-a646-d344b335d0e2/bin-2019/uautomizer/data/1a15a78d5/d16f5789b8964733afa39e6da8f86786/FLAGe3c0f29b8 [2018-12-02 14:17:32,002 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_064e21ca-0a28-491f-a646-d344b335d0e2/bin-2019/uautomizer/data/1a15a78d5/d16f5789b8964733afa39e6da8f86786 [2018-12-02 14:17:32,004 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 14:17:32,005 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 14:17:32,005 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 14:17:32,006 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 14:17:32,008 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 14:17:32,008 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:17:32" (1/1) ... [2018-12-02 14:17:32,010 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b10b5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:17:32, skipping insertion in model container [2018-12-02 14:17:32,010 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:17:32" (1/1) ... [2018-12-02 14:17:32,014 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 14:17:32,031 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 14:17:32,168 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 14:17:32,174 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 14:17:32,242 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 14:17:32,265 INFO L195 MainTranslator]: Completed translation [2018-12-02 14:17:32,265 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:17:32 WrapperNode [2018-12-02 14:17:32,265 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 14:17:32,266 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 14:17:32,266 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 14:17:32,266 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 14:17:32,271 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:17:32" (1/1) ... [2018-12-02 14:17:32,280 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:17:32" (1/1) ... [2018-12-02 14:17:32,292 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 14:17:32,293 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 14:17:32,293 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 14:17:32,293 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 14:17:32,298 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:17:32" (1/1) ... [2018-12-02 14:17:32,298 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:17:32" (1/1) ... [2018-12-02 14:17:32,300 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:17:32" (1/1) ... [2018-12-02 14:17:32,300 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:17:32" (1/1) ... [2018-12-02 14:17:32,303 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:17:32" (1/1) ... [2018-12-02 14:17:32,307 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:17:32" (1/1) ... [2018-12-02 14:17:32,308 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:17:32" (1/1) ... [2018-12-02 14:17:32,309 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 14:17:32,309 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 14:17:32,309 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 14:17:32,309 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 14:17:32,310 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:17:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_064e21ca-0a28-491f-a646-d344b335d0e2/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-02 14:17:32,345 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 14:17:32,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-02 14:17:32,345 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 14:17:32,345 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 14:17:32,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 14:17:32,455 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 14:17:32,456 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-02 14:17:32,456 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:17:32 BoogieIcfgContainer [2018-12-02 14:17:32,456 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 14:17:32,457 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-12-02 14:17:32,457 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-12-02 14:17:32,460 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-12-02 14:17:32,461 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-02 14:17:32,461 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.12 02:17:32" (1/3) ... [2018-12-02 14:17:32,462 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@334eaaf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.12 02:17:32, skipping insertion in model container [2018-12-02 14:17:32,462 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-02 14:17:32,463 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:17:32" (2/3) ... [2018-12-02 14:17:32,463 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@334eaaf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.12 02:17:32, skipping insertion in model container [2018-12-02 14:17:32,463 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-02 14:17:32,463 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:17:32" (3/3) ... [2018-12-02 14:17:32,465 INFO L375 chiAutomizerObserver]: Analyzing ICFG openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-12-02 14:17:32,509 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 14:17:32,510 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-12-02 14:17:32,510 INFO L375 BuchiCegarLoop]: Hoare is false [2018-12-02 14:17:32,510 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-12-02 14:17:32,510 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 14:17:32,510 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 14:17:32,510 INFO L379 BuchiCegarLoop]: Difference is false [2018-12-02 14:17:32,511 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 14:17:32,511 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-12-02 14:17:32,520 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2018-12-02 14:17:32,534 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-12-02 14:17:32,534 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-02 14:17:32,534 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-02 14:17:32,540 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2018-12-02 14:17:32,540 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-12-02 14:17:32,540 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-12-02 14:17:32,540 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2018-12-02 14:17:32,541 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-12-02 14:17:32,541 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-02 14:17:32,541 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-02 14:17:32,542 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2018-12-02 14:17:32,542 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-12-02 14:17:32,549 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 3#L-1true havoc main_#res;havoc main_#t~nondet4, main_#t~nondet5, main_#t~malloc6.base, main_#t~malloc6.offset, main_~length~0, main_~n~0, main_~nondetArea~0.base, main_~nondetArea~0.offset;main_~length~0 := main_#t~nondet4;havoc main_#t~nondet4;main_~n~0 := main_#t~nondet5;havoc main_#t~nondet5; 10#L550true assume !(main_~length~0 < 1); 4#L550-2true assume !(main_~n~0 < 1); 6#L553-1true assume !(main_~n~0 > main_~length~0);call main_#t~malloc6.base, main_#t~malloc6.offset := #Ultimate.alloc(main_~length~0);main_~nondetArea~0.base, main_~nondetArea~0.offset := main_#t~malloc6.base, main_#t~malloc6.offset;cbzero_#in~b.base, cbzero_#in~b.offset, cbzero_#in~length := main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~n~0;havoc cbzero_#t~post3.base, cbzero_#t~post3.offset, cbzero_#t~post2, cbzero_~b.base, cbzero_~b.offset, cbzero_~length, cbzero_~p~0.base, cbzero_~p~0.offset;cbzero_~b.base, cbzero_~b.offset := cbzero_#in~b.base, cbzero_#in~b.offset;cbzero_~length := cbzero_#in~length;havoc cbzero_~p~0.base, cbzero_~p~0.offset;cbzero_~p~0.base, cbzero_~p~0.offset := cbzero_~b.base, cbzero_~b.offset; 7#L544-3true [2018-12-02 14:17:32,549 INFO L796 eck$LassoCheckResult]: Loop: 7#L544-3true cbzero_#t~post2 := cbzero_~length;cbzero_~length := cbzero_#t~post2 - 1; 13#L544-1true assume !!(0 != cbzero_#t~post2 % 4294967296);havoc cbzero_#t~post2;cbzero_#t~post3.base, cbzero_#t~post3.offset := cbzero_~p~0.base, cbzero_~p~0.offset;cbzero_~p~0.base, cbzero_~p~0.offset := cbzero_#t~post3.base, 1 + cbzero_#t~post3.offset;call write~int(0, cbzero_#t~post3.base, cbzero_#t~post3.offset, 1);havoc cbzero_#t~post3.base, cbzero_#t~post3.offset; 7#L544-3true [2018-12-02 14:17:32,554 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 14:17:32,554 INFO L82 PathProgramCache]: Analyzing trace with hash 28695882, now seen corresponding path program 1 times [2018-12-02 14:17:32,556 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 14:17:32,556 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 14:17:32,591 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:17:32,591 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 14:17:32,591 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:17:32,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 14:17:32,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 14:17:32,636 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 14:17:32,636 INFO L82 PathProgramCache]: Analyzing trace with hash 1702, now seen corresponding path program 1 times [2018-12-02 14:17:32,636 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 14:17:32,637 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 14:17:32,637 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:17:32,637 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 14:17:32,637 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:17:32,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 14:17:32,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 14:17:32,648 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 14:17:32,648 INFO L82 PathProgramCache]: Analyzing trace with hash 1806939567, now seen corresponding path program 1 times [2018-12-02 14:17:32,648 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 14:17:32,648 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 14:17:32,649 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:17:32,649 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 14:17:32,649 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:17:32,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 14:17:32,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 14:17:32,851 INFO L216 LassoAnalysis]: Preferences: [2018-12-02 14:17:32,851 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-02 14:17:32,852 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-02 14:17:32,852 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-02 14:17:32,852 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-12-02 14:17:32,852 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-02 14:17:32,852 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-02 14:17:32,852 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-02 14:17:32,852 INFO L131 ssoRankerPreferences]: Filename of dumped script: openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i_Iteration1_Lasso [2018-12-02 14:17:32,852 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-02 14:17:32,852 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-02 14:17:32,867 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 14:17:32,870 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 14:17:32,872 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 14:17:32,873 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 14:17:32,976 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 14:17:32,977 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 14:17:32,978 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 14:17:32,980 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 14:17:32,981 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 14:17:33,213 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-02 14:17:33,217 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-12-02 14:17:33,219 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 14:17:33,220 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 14:17:33,221 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 14:17:33,221 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 14:17:33,221 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 14:17:33,222 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-02 14:17:33,223 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-02 14:17:33,223 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 14:17:33,226 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 14:17:33,226 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 14:17:33,227 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 14:17:33,227 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 14:17:33,227 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 14:17:33,228 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 14:17:33,228 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-02 14:17:33,228 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-02 14:17:33,228 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 14:17:33,229 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 14:17:33,230 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 14:17:33,230 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 14:17:33,230 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 14:17:33,230 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 14:17:33,230 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 14:17:33,231 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-02 14:17:33,231 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-02 14:17:33,231 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 14:17:33,232 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 14:17:33,232 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 14:17:33,233 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 14:17:33,233 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 14:17:33,233 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 14:17:33,233 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 14:17:33,234 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-02 14:17:33,234 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-02 14:17:33,234 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 14:17:33,235 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 14:17:33,236 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 14:17:33,236 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 14:17:33,236 INFO L205 nArgumentSynthesizer]: 2 stem disjuncts [2018-12-02 14:17:33,236 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 14:17:33,237 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-02 14:17:33,241 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-12-02 14:17:33,241 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-02 14:17:33,262 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 14:17:33,263 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 14:17:33,263 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 14:17:33,263 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 14:17:33,263 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 14:17:33,264 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-02 14:17:33,265 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-02 14:17:33,265 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-02 14:17:33,267 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 14:17:33,268 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 14:17:33,268 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 14:17:33,269 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 14:17:33,269 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 14:17:33,269 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-02 14:17:33,271 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-02 14:17:33,271 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-02 14:17:33,281 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 14:17:33,281 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 14:17:33,282 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 14:17:33,282 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 14:17:33,282 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 14:17:33,282 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-02 14:17:33,286 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-02 14:17:33,286 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-02 14:17:33,337 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-12-02 14:17:33,357 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2018-12-02 14:17:33,357 INFO L444 ModelExtractionUtils]: 26 out of 37 variables were initially zero. Simplification set additionally 8 variables to zero. [2018-12-02 14:17:33,359 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-12-02 14:17:33,360 INFO L440 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2018-12-02 14:17:33,360 INFO L518 LassoAnalysis]: Proved termination. [2018-12-02 14:17:33,360 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cbzero_~p~0.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc6.base)_1) = -1*ULTIMATE.start_cbzero_~p~0.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc6.base)_1 Supporting invariants [] [2018-12-02 14:17:33,366 INFO L297 tatePredicateManager]: 2 out of 3 supporting invariants were superfluous and have been removed [2018-12-02 14:17:33,371 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 14:17:33,404 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 14:17:33,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:17:33,415 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 14:17:33,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:17:33,424 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 14:17:33,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:17:33,434 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2018-12-02 14:17:33,435 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states. Second operand 3 states. [2018-12-02 14:17:33,484 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states.. Second operand 3 states. Result 21 states and 25 transitions. Complement of second has 6 states. [2018-12-02 14:17:33,484 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2018-12-02 14:17:33,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-12-02 14:17:33,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 17 transitions. [2018-12-02 14:17:33,487 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 5 letters. Loop has 2 letters. [2018-12-02 14:17:33,487 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-02 14:17:33,488 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 7 letters. Loop has 2 letters. [2018-12-02 14:17:33,488 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-02 14:17:33,488 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 5 letters. Loop has 4 letters. [2018-12-02 14:17:33,488 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-02 14:17:33,488 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 25 transitions. [2018-12-02 14:17:33,489 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-12-02 14:17:33,491 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 0 states and 0 transitions. [2018-12-02 14:17:33,492 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-12-02 14:17:33,492 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-12-02 14:17:33,492 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-12-02 14:17:33,492 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-12-02 14:17:33,492 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 14:17:33,492 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 14:17:33,492 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 14:17:33,492 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-12-02 14:17:33,492 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-12-02 14:17:33,493 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-12-02 14:17:33,493 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-12-02 14:17:33,496 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 02.12 02:17:33 BoogieIcfgContainer [2018-12-02 14:17:33,496 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-12-02 14:17:33,496 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 14:17:33,497 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 14:17:33,497 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 14:17:33,497 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:17:32" (3/4) ... [2018-12-02 14:17:33,499 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-02 14:17:33,499 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 14:17:33,499 INFO L168 Benchmark]: Toolchain (without parser) took 1494.95 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.3 MB). Free memory was 951.7 MB in the beginning and 884.9 MB in the end (delta: 66.8 MB). Peak memory consumption was 181.1 MB. Max. memory is 11.5 GB. [2018-12-02 14:17:33,500 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 14:17:33,501 INFO L168 Benchmark]: CACSL2BoogieTranslator took 260.02 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.3 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -152.0 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. [2018-12-02 14:17:33,501 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.83 ms. Allocated memory is still 1.1 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. [2018-12-02 14:17:33,501 INFO L168 Benchmark]: Boogie Preprocessor took 16.22 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 14:17:33,502 INFO L168 Benchmark]: RCFGBuilder took 147.19 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. [2018-12-02 14:17:33,502 INFO L168 Benchmark]: BuchiAutomizer took 1039.33 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 884.9 MB in the end (delta: 199.2 MB). Peak memory consumption was 199.2 MB. Max. memory is 11.5 GB. [2018-12-02 14:17:33,502 INFO L168 Benchmark]: Witness Printer took 2.62 ms. Allocated memory is still 1.1 GB. Free memory is still 884.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 14:17:33,504 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 260.02 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.3 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -152.0 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 26.83 ms. Allocated memory is still 1.1 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. * Boogie Preprocessor took 16.22 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 147.19 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1039.33 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 884.9 MB in the end (delta: 199.2 MB). Peak memory consumption was 199.2 MB. Max. memory is 11.5 GB. * Witness Printer took 2.62 ms. Allocated memory is still 1.1 GB. Free memory is still 884.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * p + unknown-#length-unknown[__builtin_alloca (length * sizeof(char))] and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. 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 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 12 SDtfs, 11 SDslu, 2 SDs, 0 SdLazy, 4 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital121 mio100 ax100 hnf98 lsp94 ukn92 mio100 lsp61 div160 bol100 ite100 ukn100 eq173 hnf72 smp94 dnf100 smp100 tf100 neg99 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 26ms VariablesStem: 5 VariablesLoop: 3 DisjunctsStem: 2 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 8 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...