./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-memsafety/stroeder1-alloca_true-valid-memsafety_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_f66be33f-7f26-43b4-ab9d-5503b8deb0d4/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f66be33f-7f26-43b4-ab9d-5503b8deb0d4/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f66be33f-7f26-43b4-ab9d-5503b8deb0d4/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f66be33f-7f26-43b4-ab9d-5503b8deb0d4/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/stroeder1-alloca_true-valid-memsafety_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_f66be33f-7f26-43b4-ab9d-5503b8deb0d4/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f66be33f-7f26-43b4-ab9d-5503b8deb0d4/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 2b0e0efff2abe6f8e9e2779973c44bf85d460f52 .................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-0cd3be1 [2018-11-28 12:16:02,357 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 12:16:02,359 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 12:16:02,367 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 12:16:02,367 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 12:16:02,368 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 12:16:02,369 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 12:16:02,370 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 12:16:02,371 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 12:16:02,372 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 12:16:02,373 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 12:16:02,373 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 12:16:02,374 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 12:16:02,374 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 12:16:02,375 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 12:16:02,375 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 12:16:02,376 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 12:16:02,377 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 12:16:02,378 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 12:16:02,380 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 12:16:02,380 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 12:16:02,381 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 12:16:02,382 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 12:16:02,383 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 12:16:02,383 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 12:16:02,384 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 12:16:02,384 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 12:16:02,385 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 12:16:02,386 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 12:16:02,386 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 12:16:02,387 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 12:16:02,387 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 12:16:02,387 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 12:16:02,388 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 12:16:02,388 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 12:16:02,389 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 12:16:02,389 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f66be33f-7f26-43b4-ab9d-5503b8deb0d4/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-28 12:16:02,398 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 12:16:02,398 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 12:16:02,399 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 12:16:02,399 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 12:16:02,399 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 12:16:02,399 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-28 12:16:02,399 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-28 12:16:02,400 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-28 12:16:02,400 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-28 12:16:02,400 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-28 12:16:02,400 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-28 12:16:02,400 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 12:16:02,400 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 12:16:02,401 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 12:16:02,401 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 12:16:02,401 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 12:16:02,401 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 12:16:02,401 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-28 12:16:02,401 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-28 12:16:02,402 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-28 12:16:02,402 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 12:16:02,402 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 12:16:02,402 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-28 12:16:02,402 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 12:16:02,402 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-28 12:16:02,403 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 12:16:02,403 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 12:16:02,403 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-28 12:16:02,403 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 12:16:02,403 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 12:16:02,403 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-28 12:16:02,404 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-28 12:16:02,404 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_f66be33f-7f26-43b4-ab9d-5503b8deb0d4/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 -> 2b0e0efff2abe6f8e9e2779973c44bf85d460f52 [2018-11-28 12:16:02,430 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 12:16:02,441 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 12:16:02,444 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 12:16:02,445 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 12:16:02,445 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 12:16:02,446 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f66be33f-7f26-43b4-ab9d-5503b8deb0d4/bin-2019/uautomizer/../../sv-benchmarks/c/array-memsafety/stroeder1-alloca_true-valid-memsafety_true-termination.i [2018-11-28 12:16:02,496 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f66be33f-7f26-43b4-ab9d-5503b8deb0d4/bin-2019/uautomizer/data/19a1ae83f/0d908edca3eb4944abcc7b1905082696/FLAG158595259 [2018-11-28 12:16:02,897 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 12:16:02,897 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f66be33f-7f26-43b4-ab9d-5503b8deb0d4/sv-benchmarks/c/array-memsafety/stroeder1-alloca_true-valid-memsafety_true-termination.i [2018-11-28 12:16:02,908 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f66be33f-7f26-43b4-ab9d-5503b8deb0d4/bin-2019/uautomizer/data/19a1ae83f/0d908edca3eb4944abcc7b1905082696/FLAG158595259 [2018-11-28 12:16:03,277 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f66be33f-7f26-43b4-ab9d-5503b8deb0d4/bin-2019/uautomizer/data/19a1ae83f/0d908edca3eb4944abcc7b1905082696 [2018-11-28 12:16:03,279 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 12:16:03,280 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 12:16:03,281 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 12:16:03,281 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 12:16:03,283 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 12:16:03,284 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:16:03" (1/1) ... [2018-11-28 12:16:03,286 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@775ed1d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:16:03, skipping insertion in model container [2018-11-28 12:16:03,286 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:16:03" (1/1) ... [2018-11-28 12:16:03,292 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 12:16:03,320 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 12:16:03,527 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:16:03,537 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 12:16:03,614 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:16:03,645 INFO L195 MainTranslator]: Completed translation [2018-11-28 12:16:03,645 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:16:03 WrapperNode [2018-11-28 12:16:03,645 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 12:16:03,646 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 12:16:03,646 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 12:16:03,646 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 12:16:03,652 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:16:03" (1/1) ... [2018-11-28 12:16:03,660 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:16:03" (1/1) ... [2018-11-28 12:16:03,674 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 12:16:03,674 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 12:16:03,674 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 12:16:03,674 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 12:16:03,680 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:16:03" (1/1) ... [2018-11-28 12:16:03,680 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:16:03" (1/1) ... [2018-11-28 12:16:03,682 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:16:03" (1/1) ... [2018-11-28 12:16:03,683 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:16:03" (1/1) ... [2018-11-28 12:16:03,686 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:16:03" (1/1) ... [2018-11-28 12:16:03,690 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:16:03" (1/1) ... [2018-11-28 12:16:03,691 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:16:03" (1/1) ... [2018-11-28 12:16:03,692 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 12:16:03,693 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 12:16:03,693 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 12:16:03,693 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 12:16:03,694 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:16:03" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f66be33f-7f26-43b4-ab9d-5503b8deb0d4/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 [2018-11-28 12:16:03,731 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 12:16:03,731 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-28 12:16:03,731 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-28 12:16:03,732 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 12:16:03,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 12:16:03,871 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 12:16:03,871 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-28 12:16:03,871 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:16:03 BoogieIcfgContainer [2018-11-28 12:16:03,872 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 12:16:03,872 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-28 12:16:03,872 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-28 12:16:03,875 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-28 12:16:03,876 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 12:16:03,876 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 12:16:03" (1/3) ... [2018-11-28 12:16:03,877 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@59556c20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 12:16:03, skipping insertion in model container [2018-11-28 12:16:03,877 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 12:16:03,878 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:16:03" (2/3) ... [2018-11-28 12:16:03,878 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@59556c20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 12:16:03, skipping insertion in model container [2018-11-28 12:16:03,878 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 12:16:03,878 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:16:03" (3/3) ... [2018-11-28 12:16:03,880 INFO L375 chiAutomizerObserver]: Analyzing ICFG stroeder1-alloca_true-valid-memsafety_true-termination.i [2018-11-28 12:16:03,930 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 12:16:03,931 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-28 12:16:03,931 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-28 12:16:03,931 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-28 12:16:03,931 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 12:16:03,931 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 12:16:03,932 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-28 12:16:03,932 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 12:16:03,932 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-28 12:16:03,941 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2018-11-28 12:16:03,956 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-11-28 12:16:03,957 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 12:16:03,957 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 12:16:03,963 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2018-11-28 12:16:03,964 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-11-28 12:16:03,964 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-28 12:16:03,964 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2018-11-28 12:16:03,965 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-11-28 12:16:03,965 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 12:16:03,965 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 12:16:03,966 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2018-11-28 12:16:03,966 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-11-28 12:16:03,974 INFO L794 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 3#L-1true havoc main_#res;havoc main_#t~nondet4, main_#t~malloc5.base, main_#t~malloc5.offset, main_#t~ret6, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet4;havoc main_#t~nondet4; 12#L554true assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 7#L554-2true call main_#t~malloc5.base, main_#t~malloc5.offset := #Ultimate.alloc(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc5.base, main_#t~malloc5.offset;sumOfThirdBytes_#in~numbers.base, sumOfThirdBytes_#in~numbers.offset, sumOfThirdBytes_#in~array_size := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc sumOfThirdBytes_#res;havoc sumOfThirdBytes_#t~mem3, sumOfThirdBytes_#t~post2, sumOfThirdBytes_~#numbers.base, sumOfThirdBytes_~#numbers.offset, sumOfThirdBytes_~array_size, sumOfThirdBytes_~i~0, sumOfThirdBytes_~sum~0, sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset;sumOfThirdBytes_~#numbers.base, sumOfThirdBytes_~#numbers.offset := sumOfThirdBytes_#in~numbers.base, sumOfThirdBytes_#in~numbers.offset;sumOfThirdBytes_~array_size := sumOfThirdBytes_#in~array_size;havoc sumOfThirdBytes_~i~0;havoc sumOfThirdBytes_~sum~0;havoc sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset;sumOfThirdBytes_~sum~0 := 0;sumOfThirdBytes_~i~0 := 0; 4#L545-3true [2018-11-28 12:16:03,974 INFO L796 eck$LassoCheckResult]: Loop: 4#L545-3true assume !!(sumOfThirdBytes_~i~0 < sumOfThirdBytes_~array_size);sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset := sumOfThirdBytes_~#numbers.base, sumOfThirdBytes_~#numbers.offset + 4 * sumOfThirdBytes_~i~0;sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset := sumOfThirdBytes_~p~0.base, 2 + sumOfThirdBytes_~p~0.offset;call sumOfThirdBytes_#t~mem3 := read~int(sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset, 1);sumOfThirdBytes_~sum~0 := sumOfThirdBytes_~sum~0 + sumOfThirdBytes_#t~mem3;havoc sumOfThirdBytes_#t~mem3; 13#L545-2true sumOfThirdBytes_#t~post2 := sumOfThirdBytes_~i~0;sumOfThirdBytes_~i~0 := 1 + sumOfThirdBytes_#t~post2;havoc sumOfThirdBytes_#t~post2; 4#L545-3true [2018-11-28 12:16:03,980 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:16:03,980 INFO L82 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2018-11-28 12:16:03,982 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:16:03,983 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:16:04,026 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:16:04,027 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:16:04,027 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:16:04,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:16:04,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:16:04,082 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:16:04,082 INFO L82 PathProgramCache]: Analyzing trace with hash 1507, now seen corresponding path program 1 times [2018-11-28 12:16:04,082 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:16:04,082 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:16:04,083 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:16:04,083 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:16:04,083 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:16:04,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:16:04,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:16:04,096 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:16:04,096 INFO L82 PathProgramCache]: Analyzing trace with hash 889568455, now seen corresponding path program 1 times [2018-11-28 12:16:04,096 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:16:04,097 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:16:04,097 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:16:04,097 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:16:04,097 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:16:04,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:16:04,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:16:04,319 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 12:16:04,320 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 12:16:04,320 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 12:16:04,320 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 12:16:04,321 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 12:16:04,321 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 12:16:04,321 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 12:16:04,321 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 12:16:04,321 INFO L131 ssoRankerPreferences]: Filename of dumped script: stroeder1-alloca_true-valid-memsafety_true-termination.i_Iteration1_Lasso [2018-11-28 12:16:04,321 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 12:16:04,322 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 12:16:04,341 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:16:04,346 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:16:04,348 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:16:04,350 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:16:04,440 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:16:04,443 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:16:04,444 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:16:04,446 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:16:04,449 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:16:04,707 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 12:16:04,713 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 12:16:04,715 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 [2018-11-28 12:16:04,717 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:16:04,717 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:16:04,718 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:16:04,718 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:16:04,718 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:16:04,720 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 12:16:04,721 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:16:04,724 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:16:04,724 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 [2018-11-28 12:16:04,725 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:16:04,725 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:16:04,725 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:16:04,725 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:16:04,726 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:16:04,726 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 12:16:04,726 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:16:04,728 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:16:04,728 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 [2018-11-28 12:16:04,729 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:16:04,729 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:16:04,729 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:16:04,729 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:16:04,730 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:16:04,730 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 12:16:04,730 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:16:04,731 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:16:04,732 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 [2018-11-28 12:16:04,732 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:16:04,733 INFO L205 nArgumentSynthesizer]: 2 stem disjuncts [2018-11-28 12:16:04,733 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:16:04,733 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:16:04,738 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-11-28 12:16:04,738 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 12:16:04,765 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:16:04,766 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 [2018-11-28 12:16:04,767 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:16:04,767 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:16:04,768 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:16:04,768 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:16:04,775 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 12:16:04,775 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 12:16:04,822 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-28 12:16:04,863 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2018-11-28 12:16:04,863 INFO L444 ModelExtractionUtils]: 32 out of 37 variables were initially zero. Simplification set additionally 2 variables to zero. [2018-11-28 12:16:04,865 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-28 12:16:04,867 INFO L440 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2018-11-28 12:16:04,867 INFO L518 LassoAnalysis]: Proved termination. [2018-11-28 12:16:04,868 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_sumOfThirdBytes_~array_size, ULTIMATE.start_sumOfThirdBytes_~i~0) = 1*ULTIMATE.start_sumOfThirdBytes_~array_size - 1*ULTIMATE.start_sumOfThirdBytes_~i~0 Supporting invariants [] [2018-11-28 12:16:04,882 INFO L297 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2018-11-28 12:16:04,914 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:16:04,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:16:04,929 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:16:04,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:16:04,940 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:16:04,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:16:04,970 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 [2018-11-28 12:16:04,971 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states. Second operand 3 states. [2018-11-28 12:16:05,003 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states.. Second operand 3 states. Result 23 states and 28 transitions. Complement of second has 7 states. [2018-11-28 12:16:05,004 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 [2018-11-28 12:16:05,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-28 12:16:05,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 17 transitions. [2018-11-28 12:16:05,007 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 4 letters. Loop has 2 letters. [2018-11-28 12:16:05,008 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 12:16:05,008 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 6 letters. Loop has 2 letters. [2018-11-28 12:16:05,008 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 12:16:05,009 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 4 letters. Loop has 4 letters. [2018-11-28 12:16:05,009 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 12:16:05,010 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 28 transitions. [2018-11-28 12:16:05,012 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 12:16:05,015 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 0 states and 0 transitions. [2018-11-28 12:16:05,015 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-28 12:16:05,016 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-28 12:16:05,016 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-28 12:16:05,016 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 12:16:05,016 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 12:16:05,016 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 12:16:05,016 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 12:16:05,017 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-28 12:16:05,017 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-28 12:16:05,017 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 12:16:05,017 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-28 12:16:05,023 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 12:16:05 BoogieIcfgContainer [2018-11-28 12:16:05,024 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-28 12:16:05,024 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 12:16:05,024 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 12:16:05,024 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 12:16:05,025 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:16:03" (3/4) ... [2018-11-28 12:16:05,028 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-28 12:16:05,028 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 12:16:05,028 INFO L168 Benchmark]: Toolchain (without parser) took 1749.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 950.6 MB in the beginning and 966.8 MB in the end (delta: -16.2 MB). Peak memory consumption was 125.4 MB. Max. memory is 11.5 GB. [2018-11-28 12:16:05,030 INFO L168 Benchmark]: CDTParser took 0.18 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. [2018-11-28 12:16:05,030 INFO L168 Benchmark]: CACSL2BoogieTranslator took 365.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -179.2 MB). Peak memory consumption was 24.5 MB. Max. memory is 11.5 GB. [2018-11-28 12:16:05,031 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-28 12:16:05,031 INFO L168 Benchmark]: Boogie Preprocessor took 18.76 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:16:05,032 INFO L168 Benchmark]: RCFGBuilder took 178.87 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: 17.8 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2018-11-28 12:16:05,032 INFO L168 Benchmark]: BuchiAutomizer took 1151.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 966.8 MB in the end (delta: 141.8 MB). Peak memory consumption was 141.8 MB. Max. memory is 11.5 GB. [2018-11-28 12:16:05,033 INFO L168 Benchmark]: Witness Printer took 3.82 ms. Allocated memory is still 1.2 GB. Free memory is still 966.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:16:05,036 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 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 365.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -179.2 MB). Peak memory consumption was 24.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.76 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 178.87 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: 17.8 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1151.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 966.8 MB in the end (delta: 141.8 MB). Peak memory consumption was 141.8 MB. Max. memory is 11.5 GB. * Witness Printer took 3.82 ms. Allocated memory is still 1.2 GB. Free memory is still 966.8 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 array_size + -1 * i and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.9s. 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: 9 SDtfs, 10 SDslu, 8 SDs, 0 SdLazy, 6 SolverSat, 2 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 ukn80 mio100 lsp63 div100 bol100 ite100 ukn100 eq184 hnf90 smp100 dnf100 smp100 tf100 neg100 sie104 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 33ms VariablesStem: 4 VariablesLoop: 2 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...