./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loops/verisec_NetBSD-libc__loop_false-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_6eaece6c-418c-4390-90e1-492d811b9e2e/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6eaece6c-418c-4390-90e1-492d811b9e2e/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6eaece6c-418c-4390-90e1-492d811b9e2e/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6eaece6c-418c-4390-90e1-492d811b9e2e/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loops/verisec_NetBSD-libc__loop_false-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_6eaece6c-418c-4390-90e1-492d811b9e2e/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6eaece6c-418c-4390-90e1-492d811b9e2e/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 19c675897a6506757b73d61913c0ceb3a779b5c8 .......................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 06:52:32,512 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 06:52:32,514 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 06:52:32,521 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 06:52:32,521 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 06:52:32,522 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 06:52:32,523 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 06:52:32,524 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 06:52:32,526 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 06:52:32,526 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 06:52:32,527 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 06:52:32,527 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 06:52:32,528 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 06:52:32,529 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 06:52:32,530 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 06:52:32,531 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 06:52:32,531 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 06:52:32,533 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 06:52:32,534 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 06:52:32,536 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 06:52:32,537 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 06:52:32,538 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 06:52:32,540 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 06:52:32,540 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 06:52:32,540 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 06:52:32,541 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 06:52:32,542 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 06:52:32,542 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 06:52:32,543 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 06:52:32,544 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 06:52:32,545 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 06:52:32,545 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 06:52:32,545 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 06:52:32,545 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 06:52:32,546 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 06:52:32,547 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 06:52:32,547 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6eaece6c-418c-4390-90e1-492d811b9e2e/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-23 06:52:32,558 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 06:52:32,558 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 06:52:32,559 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 06:52:32,559 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 06:52:32,560 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 06:52:32,560 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-23 06:52:32,560 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-23 06:52:32,560 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-23 06:52:32,560 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-23 06:52:32,560 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-23 06:52:32,560 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-23 06:52:32,561 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 06:52:32,561 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 06:52:32,561 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-23 06:52:32,561 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 06:52:32,561 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 06:52:32,561 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 06:52:32,561 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-23 06:52:32,562 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-23 06:52:32,562 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-23 06:52:32,562 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 06:52:32,562 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 06:52:32,562 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-23 06:52:32,562 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 06:52:32,562 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-23 06:52:32,563 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 06:52:32,563 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 06:52:32,563 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-23 06:52:32,563 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 06:52:32,565 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 06:52:32,565 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-23 06:52:32,566 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-23 06:52:32,566 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_6eaece6c-418c-4390-90e1-492d811b9e2e/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 -> 19c675897a6506757b73d61913c0ceb3a779b5c8 [2018-11-23 06:52:32,590 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 06:52:32,599 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 06:52:32,602 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 06:52:32,603 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 06:52:32,603 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 06:52:32,604 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6eaece6c-418c-4390-90e1-492d811b9e2e/bin-2019/uautomizer/../../sv-benchmarks/c/loops/verisec_NetBSD-libc__loop_false-unreach-call_true-termination.i [2018-11-23 06:52:32,647 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6eaece6c-418c-4390-90e1-492d811b9e2e/bin-2019/uautomizer/data/4d4a11cac/1bee00fc065c48b7bb18de3f8af815d5/FLAG53baad583 [2018-11-23 06:52:33,048 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 06:52:33,049 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6eaece6c-418c-4390-90e1-492d811b9e2e/sv-benchmarks/c/loops/verisec_NetBSD-libc__loop_false-unreach-call_true-termination.i [2018-11-23 06:52:33,052 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6eaece6c-418c-4390-90e1-492d811b9e2e/bin-2019/uautomizer/data/4d4a11cac/1bee00fc065c48b7bb18de3f8af815d5/FLAG53baad583 [2018-11-23 06:52:33,061 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6eaece6c-418c-4390-90e1-492d811b9e2e/bin-2019/uautomizer/data/4d4a11cac/1bee00fc065c48b7bb18de3f8af815d5 [2018-11-23 06:52:33,063 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 06:52:33,064 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 06:52:33,064 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 06:52:33,064 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 06:52:33,066 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 06:52:33,067 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:52:33" (1/1) ... [2018-11-23 06:52:33,068 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ff9ad9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:52:33, skipping insertion in model container [2018-11-23 06:52:33,069 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:52:33" (1/1) ... [2018-11-23 06:52:33,074 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 06:52:33,087 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 06:52:33,191 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 06:52:33,197 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 06:52:33,207 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 06:52:33,216 INFO L195 MainTranslator]: Completed translation [2018-11-23 06:52:33,216 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:52:33 WrapperNode [2018-11-23 06:52:33,217 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 06:52:33,217 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 06:52:33,217 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 06:52:33,217 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 06:52:33,222 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:52:33" (1/1) ... [2018-11-23 06:52:33,227 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:52:33" (1/1) ... [2018-11-23 06:52:33,274 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 06:52:33,274 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 06:52:33,274 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 06:52:33,274 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 06:52:33,282 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:52:33" (1/1) ... [2018-11-23 06:52:33,282 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:52:33" (1/1) ... [2018-11-23 06:52:33,283 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:52:33" (1/1) ... [2018-11-23 06:52:33,284 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:52:33" (1/1) ... [2018-11-23 06:52:33,287 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:52:33" (1/1) ... [2018-11-23 06:52:33,290 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:52:33" (1/1) ... [2018-11-23 06:52:33,290 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:52:33" (1/1) ... [2018-11-23 06:52:33,291 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 06:52:33,292 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 06:52:33,292 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 06:52:33,292 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 06:52:33,292 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:52:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6eaece6c-418c-4390-90e1-492d811b9e2e/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 [2018-11-23 06:52:33,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-23 06:52:33,332 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 06:52:33,332 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 06:52:33,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 06:52:33,332 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 06:52:33,478 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 06:52:33,479 INFO L280 CfgBuilder]: Removed 9 assue(true) statements. [2018-11-23 06:52:33,479 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:52:33 BoogieIcfgContainer [2018-11-23 06:52:33,479 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 06:52:33,479 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-23 06:52:33,479 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-23 06:52:33,482 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-23 06:52:33,482 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 06:52:33,482 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 06:52:33" (1/3) ... [2018-11-23 06:52:33,483 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@39dc064b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 06:52:33, skipping insertion in model container [2018-11-23 06:52:33,483 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 06:52:33,483 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:52:33" (2/3) ... [2018-11-23 06:52:33,483 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@39dc064b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 06:52:33, skipping insertion in model container [2018-11-23 06:52:33,483 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 06:52:33,483 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:52:33" (3/3) ... [2018-11-23 06:52:33,485 INFO L375 chiAutomizerObserver]: Analyzing ICFG verisec_NetBSD-libc__loop_false-unreach-call_true-termination.i [2018-11-23 06:52:33,521 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 06:52:33,522 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-23 06:52:33,522 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-23 06:52:33,522 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-23 06:52:33,522 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 06:52:33,522 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 06:52:33,523 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-23 06:52:33,523 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 06:52:33,523 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-23 06:52:33,536 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states. [2018-11-23 06:52:33,556 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2018-11-23 06:52:33,556 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-23 06:52:33,556 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-23 06:52:33,561 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-11-23 06:52:33,561 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2018-11-23 06:52:33,562 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-23 06:52:33,562 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states. [2018-11-23 06:52:33,563 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2018-11-23 06:52:33,563 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-23 06:52:33,563 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-23 06:52:33,563 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-11-23 06:52:33,563 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2018-11-23 06:52:33,570 INFO L794 eck$LassoCheckResult]: Stem: 8#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~tmp~0.base, ~tmp~0.offset := 0, 0; 7#L-1true havoc main_#res;havoc main_#t~ret1, main_~#pathbuf~0.base, main_~#pathbuf~0.offset, main_~bound~0.base, main_~bound~0.offset;call main_~#pathbuf~0.base, main_~#pathbuf~0.offset := #Ultimate.alloc(8);main_~bound~0.base, main_~bound~0.offset := main_~#pathbuf~0.base, 32 + main_~#pathbuf~0.offset - 4;~tmp~0.base, ~tmp~0.offset := main_~#pathbuf~0.base, 8 + main_~#pathbuf~0.offset - 4;glob2_#in~pathbuf.base, glob2_#in~pathbuf.offset, glob2_#in~pathlim.base, glob2_#in~pathlim.offset := main_~#pathbuf~0.base, main_~#pathbuf~0.offset, main_~bound~0.base, main_~bound~0.offset;havoc glob2_#res;havoc glob2_#t~post0.base, glob2_#t~post0.offset, glob2_~pathbuf.base, glob2_~pathbuf.offset, glob2_~pathlim.base, glob2_~pathlim.offset, glob2_~p~0.base, glob2_~p~0.offset;glob2_~pathbuf.base, glob2_~pathbuf.offset := glob2_#in~pathbuf.base, glob2_#in~pathbuf.offset;glob2_~pathlim.base, glob2_~pathlim.offset := glob2_#in~pathlim.base, glob2_#in~pathlim.offset;havoc glob2_~p~0.base, glob2_~p~0.offset;glob2_~p~0.base, glob2_~p~0.offset := glob2_~pathbuf.base, glob2_~pathbuf.offset; 14#L18-4true [2018-11-23 06:52:33,571 INFO L796 eck$LassoCheckResult]: Loop: 14#L18-4true assume glob2_~p~0.base == glob2_~pathlim.base; 6#L18-1true assume !!(glob2_~p~0.offset <= glob2_~pathlim.offset);assume glob2_~p~0.base == ~tmp~0.base;__VERIFIER_assert_#in~cond := (if glob2_~p~0.offset <= ~tmp~0.offset then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 15#L4true assume !(0 == __VERIFIER_assert_~cond); 10#L4-2true call write~int(1, glob2_~p~0.base, glob2_~p~0.offset, 4); 3#L18-3true glob2_#t~post0.base, glob2_#t~post0.offset := glob2_~p~0.base, glob2_~p~0.offset;glob2_~p~0.base, glob2_~p~0.offset := glob2_#t~post0.base, 4 + glob2_#t~post0.offset;havoc glob2_#t~post0.base, glob2_#t~post0.offset; 14#L18-4true [2018-11-23 06:52:33,576 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:52:33,576 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2018-11-23 06:52:33,578 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 06:52:33,578 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 06:52:33,616 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:52:33,616 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:52:33,616 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:52:33,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 06:52:33,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 06:52:33,662 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:52:33,662 INFO L82 PathProgramCache]: Analyzing trace with hash 34515950, now seen corresponding path program 1 times [2018-11-23 06:52:33,662 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 06:52:33,662 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 06:52:33,663 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:52:33,663 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:52:33,663 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:52:33,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 06:52:33,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 06:52:33,684 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:52:33,684 INFO L82 PathProgramCache]: Analyzing trace with hash 1805955436, now seen corresponding path program 1 times [2018-11-23 06:52:33,684 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 06:52:33,684 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 06:52:33,685 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:52:33,685 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:52:33,685 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:52:33,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 06:52:33,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 06:52:33,916 INFO L216 LassoAnalysis]: Preferences: [2018-11-23 06:52:33,917 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-23 06:52:33,917 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-23 06:52:33,917 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-23 06:52:33,917 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-23 06:52:33,918 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 06:52:33,918 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-23 06:52:33,918 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-23 06:52:33,918 INFO L131 ssoRankerPreferences]: Filename of dumped script: verisec_NetBSD-libc__loop_false-unreach-call_true-termination.i_Iteration1_Lasso [2018-11-23 06:52:33,918 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-23 06:52:33,918 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-23 06:52:33,936 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 06:52:33,939 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 06:52:34,102 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 06:52:34,103 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 06:52:34,105 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 06:52:34,107 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 06:52:34,108 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 06:52:34,110 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 06:52:34,410 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-23 06:52:34,415 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-23 06:52:34,417 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 [2018-11-23 06:52:34,418 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 06:52:34,418 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 06:52:34,419 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:52:34,419 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:52:34,419 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 06:52:34,421 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 06:52:34,421 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 06:52:34,424 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:52:34,424 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 [2018-11-23 06:52:34,424 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 06:52:34,425 INFO L205 nArgumentSynthesizer]: 2 stem disjuncts [2018-11-23 06:52:34,425 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:52:34,425 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 06:52:34,431 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-11-23 06:52:34,431 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 06:52:34,471 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:52:34,471 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 [2018-11-23 06:52:34,472 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 06:52:34,472 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 06:52:34,472 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:52:34,473 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:52:34,473 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 06:52:34,473 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 06:52:34,473 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 06:52:34,475 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:52:34,475 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 [2018-11-23 06:52:34,475 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 06:52:34,476 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:52:34,476 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:52:34,476 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 06:52:34,478 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 06:52:34,478 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 06:52:34,489 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:52:34,489 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 [2018-11-23 06:52:34,490 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 06:52:34,490 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:52:34,490 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:52:34,490 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 06:52:34,491 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 06:52:34,492 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 06:52:34,494 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:52:34,494 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 [2018-11-23 06:52:34,495 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 06:52:34,495 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:52:34,495 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:52:34,495 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 06:52:34,499 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 06:52:34,500 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 06:52:34,553 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-23 06:52:34,593 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2018-11-23 06:52:34,593 INFO L444 ModelExtractionUtils]: 32 out of 40 variables were initially zero. Simplification set additionally 4 variables to zero. [2018-11-23 06:52:34,595 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-23 06:52:34,596 INFO L440 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2018-11-23 06:52:34,597 INFO L518 LassoAnalysis]: Proved termination. [2018-11-23 06:52:34,597 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_glob2_~p~0.offset, ULTIMATE.start_glob2_~pathlim.offset) = -1*ULTIMATE.start_glob2_~p~0.offset + 1*ULTIMATE.start_glob2_~pathlim.offset + 2 Supporting invariants [] [2018-11-23 06:52:34,618 INFO L297 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2018-11-23 06:52:34,648 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:52:34,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:52:34,662 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 06:52:34,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:52:34,677 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 06:52:34,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:52:34,696 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2018-11-23 06:52:34,697 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states. Second operand 4 states. [2018-11-23 06:52:34,728 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states.. Second operand 4 states. Result 35 states and 41 transitions. Complement of second has 7 states. [2018-11-23 06:52:34,728 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2018-11-23 06:52:34,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-23 06:52:34,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 28 transitions. [2018-11-23 06:52:34,732 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 28 transitions. Stem has 2 letters. Loop has 5 letters. [2018-11-23 06:52:34,733 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 06:52:34,733 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 28 transitions. Stem has 7 letters. Loop has 5 letters. [2018-11-23 06:52:34,733 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 06:52:34,733 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 28 transitions. Stem has 2 letters. Loop has 10 letters. [2018-11-23 06:52:34,734 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 06:52:34,734 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 41 transitions. [2018-11-23 06:52:34,736 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-23 06:52:34,737 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 0 states and 0 transitions. [2018-11-23 06:52:34,738 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-23 06:52:34,738 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-23 06:52:34,739 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-23 06:52:34,739 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-23 06:52:34,739 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 06:52:34,739 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 06:52:34,739 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 06:52:34,739 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-23 06:52:34,739 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-23 06:52:34,739 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-23 06:52:34,740 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-23 06:52:34,743 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.11 06:52:34 BoogieIcfgContainer [2018-11-23 06:52:34,743 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-23 06:52:34,744 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 06:52:34,744 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 06:52:34,744 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 06:52:34,744 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:52:33" (3/4) ... [2018-11-23 06:52:34,747 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-23 06:52:34,747 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 06:52:34,747 INFO L168 Benchmark]: Toolchain (without parser) took 1684.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.1 MB). Free memory was 958.1 MB in the beginning and 889.0 MB in the end (delta: 69.2 MB). Peak memory consumption was 190.3 MB. Max. memory is 11.5 GB. [2018-11-23 06:52:34,748 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 06:52:34,749 INFO L168 Benchmark]: CACSL2BoogieTranslator took 152.63 ms. Allocated memory is still 1.0 GB. Free memory was 958.1 MB in the beginning and 947.2 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. [2018-11-23 06:52:34,749 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.1 MB). Free memory was 947.2 MB in the beginning and 1.1 GB in the end (delta: -171.7 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. [2018-11-23 06:52:34,750 INFO L168 Benchmark]: Boogie Preprocessor took 17.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-11-23 06:52:34,750 INFO L168 Benchmark]: RCFGBuilder took 187.24 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: 15.1 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. [2018-11-23 06:52:34,751 INFO L168 Benchmark]: BuchiAutomizer took 1264.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 889.0 MB in the end (delta: 211.4 MB). Peak memory consumption was 211.4 MB. Max. memory is 11.5 GB. [2018-11-23 06:52:34,751 INFO L168 Benchmark]: Witness Printer took 2.93 ms. Allocated memory is still 1.2 GB. Free memory is still 889.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 06:52:34,753 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 152.63 ms. Allocated memory is still 1.0 GB. Free memory was 958.1 MB in the beginning and 947.2 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 56.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.1 MB). Free memory was 947.2 MB in the beginning and 1.1 GB in the end (delta: -171.7 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 187.24 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: 15.1 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1264.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 889.0 MB in the end (delta: 211.4 MB). Peak memory consumption was 211.4 MB. Max. memory is 11.5 GB. * Witness Printer took 2.93 ms. Allocated memory is still 1.2 GB. Free memory is still 889.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * p + pathlim + 2 and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. 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: 9 SDtfs, 10 SDslu, 12 SDs, 0 SdLazy, 8 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital142 mio100 ax100 hnf100 lsp95 ukn94 mio100 lsp57 div100 bol100 ite110 ukn100 eq191 hnf89 smp84 dnf102 smp100 tf100 neg98 sie103 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 46ms VariablesStem: 8 VariablesLoop: 5 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...