./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loops/nec40_true-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_f4390a7e-88b8-4426-a71b-3d129f859127/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f4390a7e-88b8-4426-a71b-3d129f859127/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f4390a7e-88b8-4426-a71b-3d129f859127/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f4390a7e-88b8-4426-a71b-3d129f859127/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loops/nec40_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_f4390a7e-88b8-4426-a71b-3d129f859127/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f4390a7e-88b8-4426-a71b-3d129f859127/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 fffaea79f968c931abbf923bf574b15b9c605c6a .................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 01:14:19,142 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 01:14:19,143 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 01:14:19,149 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 01:14:19,149 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 01:14:19,150 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 01:14:19,150 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 01:14:19,151 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 01:14:19,152 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 01:14:19,152 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 01:14:19,153 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 01:14:19,153 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 01:14:19,153 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 01:14:19,154 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 01:14:19,154 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 01:14:19,155 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 01:14:19,155 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 01:14:19,156 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 01:14:19,157 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 01:14:19,158 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 01:14:19,158 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 01:14:19,159 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 01:14:19,160 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 01:14:19,160 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 01:14:19,160 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 01:14:19,160 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 01:14:19,161 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 01:14:19,161 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 01:14:19,161 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 01:14:19,162 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 01:14:19,162 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 01:14:19,162 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 01:14:19,162 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 01:14:19,163 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 01:14:19,163 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 01:14:19,163 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 01:14:19,164 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f4390a7e-88b8-4426-a71b-3d129f859127/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-12-09 01:14:19,171 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 01:14:19,172 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 01:14:19,172 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 01:14:19,172 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 01:14:19,172 INFO L133 SettingsManager]: * Use SBE=true [2018-12-09 01:14:19,173 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-12-09 01:14:19,173 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-12-09 01:14:19,173 INFO L133 SettingsManager]: * Use old map elimination=false [2018-12-09 01:14:19,173 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-12-09 01:14:19,173 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-12-09 01:14:19,173 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-12-09 01:14:19,173 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 01:14:19,173 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 01:14:19,173 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-09 01:14:19,173 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 01:14:19,174 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 01:14:19,174 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 01:14:19,174 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-12-09 01:14:19,174 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-12-09 01:14:19,174 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-12-09 01:14:19,174 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 01:14:19,174 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 01:14:19,174 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-12-09 01:14:19,174 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 01:14:19,174 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-12-09 01:14:19,174 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 01:14:19,174 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 01:14:19,175 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-12-09 01:14:19,175 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 01:14:19,175 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-09 01:14:19,175 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-12-09 01:14:19,175 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-12-09 01:14:19,176 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_f4390a7e-88b8-4426-a71b-3d129f859127/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 -> fffaea79f968c931abbf923bf574b15b9c605c6a [2018-12-09 01:14:19,192 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 01:14:19,199 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 01:14:19,201 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 01:14:19,201 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 01:14:19,202 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 01:14:19,202 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f4390a7e-88b8-4426-a71b-3d129f859127/bin-2019/uautomizer/../../sv-benchmarks/c/loops/nec40_true-unreach-call_true-termination.i [2018-12-09 01:14:19,235 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f4390a7e-88b8-4426-a71b-3d129f859127/bin-2019/uautomizer/data/6656e1c9a/f0500819a2de471ba48ae826cc8c969a/FLAG260a53e8d [2018-12-09 01:14:19,659 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 01:14:19,659 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f4390a7e-88b8-4426-a71b-3d129f859127/sv-benchmarks/c/loops/nec40_true-unreach-call_true-termination.i [2018-12-09 01:14:19,662 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f4390a7e-88b8-4426-a71b-3d129f859127/bin-2019/uautomizer/data/6656e1c9a/f0500819a2de471ba48ae826cc8c969a/FLAG260a53e8d [2018-12-09 01:14:19,671 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f4390a7e-88b8-4426-a71b-3d129f859127/bin-2019/uautomizer/data/6656e1c9a/f0500819a2de471ba48ae826cc8c969a [2018-12-09 01:14:19,673 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 01:14:19,674 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 01:14:19,674 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 01:14:19,674 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 01:14:19,676 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 01:14:19,677 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 01:14:19" (1/1) ... [2018-12-09 01:14:19,678 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3033e242 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:14:19, skipping insertion in model container [2018-12-09 01:14:19,679 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 01:14:19" (1/1) ... [2018-12-09 01:14:19,683 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 01:14:19,692 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 01:14:19,778 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 01:14:19,790 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 01:14:19,800 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 01:14:19,814 INFO L195 MainTranslator]: Completed translation [2018-12-09 01:14:19,814 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:14:19 WrapperNode [2018-12-09 01:14:19,814 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 01:14:19,815 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 01:14:19,815 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 01:14:19,815 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 01:14:19,819 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:14:19" (1/1) ... [2018-12-09 01:14:19,824 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:14:19" (1/1) ... [2018-12-09 01:14:19,863 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 01:14:19,863 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 01:14:19,864 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 01:14:19,864 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 01:14:19,869 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:14:19" (1/1) ... [2018-12-09 01:14:19,869 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:14:19" (1/1) ... [2018-12-09 01:14:19,870 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:14:19" (1/1) ... [2018-12-09 01:14:19,871 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:14:19" (1/1) ... [2018-12-09 01:14:19,875 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:14:19" (1/1) ... [2018-12-09 01:14:19,878 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:14:19" (1/1) ... [2018-12-09 01:14:19,879 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:14:19" (1/1) ... [2018-12-09 01:14:19,880 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 01:14:19,880 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 01:14:19,880 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 01:14:19,881 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 01:14:19,881 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:14:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f4390a7e-88b8-4426-a71b-3d129f859127/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 01:14:19,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-09 01:14:19,915 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 01:14:19,915 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 01:14:19,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 01:14:19,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-09 01:14:20,015 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 01:14:20,015 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-09 01:14:20,015 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:14:20 BoogieIcfgContainer [2018-12-09 01:14:20,015 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 01:14:20,016 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-12-09 01:14:20,016 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-12-09 01:14:20,018 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-12-09 01:14:20,018 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-09 01:14:20,018 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 09.12 01:14:19" (1/3) ... [2018-12-09 01:14:20,019 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@326e130b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.12 01:14:20, skipping insertion in model container [2018-12-09 01:14:20,019 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-09 01:14:20,019 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:14:19" (2/3) ... [2018-12-09 01:14:20,019 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@326e130b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.12 01:14:20, skipping insertion in model container [2018-12-09 01:14:20,019 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-09 01:14:20,020 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:14:20" (3/3) ... [2018-12-09 01:14:20,020 INFO L375 chiAutomizerObserver]: Analyzing ICFG nec40_true-unreach-call_true-termination.i [2018-12-09 01:14:20,051 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 01:14:20,051 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-12-09 01:14:20,051 INFO L375 BuchiCegarLoop]: Hoare is false [2018-12-09 01:14:20,051 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-12-09 01:14:20,051 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 01:14:20,051 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 01:14:20,051 INFO L379 BuchiCegarLoop]: Difference is false [2018-12-09 01:14:20,052 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 01:14:20,052 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-12-09 01:14:20,059 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states. [2018-12-09 01:14:20,071 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-12-09 01:14:20,072 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-09 01:14:20,072 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-09 01:14:20,075 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-12-09 01:14:20,076 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-12-09 01:14:20,076 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-12-09 01:14:20,076 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states. [2018-12-09 01:14:20,076 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-12-09 01:14:20,077 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-09 01:14:20,077 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-09 01:14:20,077 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-12-09 01:14:20,077 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-12-09 01:14:20,083 INFO L794 eck$LassoCheckResult]: Stem: 8#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call ~#x~0.base, ~#x~0.offset := #Ultimate.alloc(100);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#x~0.base);call ~#y~0.base, ~#y~0.offset := #Ultimate.alloc(100);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#y~0.base);~i~0 := 0;~j~0 := 0;~k~0 := 0; 7#L-1true havoc main_#res;havoc main_#t~nondet0, main_#t~mem2, main_#t~post3, main_#t~mem1, main_#t~mem4;~k~0 := main_#t~nondet0;havoc main_#t~nondet0;~i~0 := 0; 3#L18-3true [2018-12-09 01:14:20,083 INFO L796 eck$LassoCheckResult]: Loop: 3#L18-3true call main_#t~mem1 := read~int(~#x~0.base, ~#x~0.offset + ~i~0, 1); 5#L18-1true assume !!(0 != main_#t~mem1);havoc main_#t~mem1;call main_#t~mem2 := read~int(~#x~0.base, ~#x~0.offset + ~i~0, 1);call write~int(main_#t~mem2, ~#y~0.base, ~#y~0.offset + ~i~0, 1);havoc main_#t~mem2;main_#t~post3 := ~i~0;~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 3#L18-3true [2018-12-09 01:14:20,087 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:14:20,087 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2018-12-09 01:14:20,088 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 01:14:20,088 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 01:14:20,117 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:14:20,117 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:14:20,117 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:14:20,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 01:14:20,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 01:14:20,155 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:14:20,155 INFO L82 PathProgramCache]: Analyzing trace with hash 1190, now seen corresponding path program 1 times [2018-12-09 01:14:20,155 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 01:14:20,155 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 01:14:20,156 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:14:20,156 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:14:20,156 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:14:20,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 01:14:20,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 01:14:20,170 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:14:20,170 INFO L82 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 1 times [2018-12-09 01:14:20,170 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 01:14:20,171 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 01:14:20,171 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:14:20,171 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:14:20,171 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:14:20,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:14:20,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 01:14:20,270 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 01:14:20,270 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 01:14:20,328 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 01:14:20,328 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-09 01:14:20,330 INFO L87 Difference]: Start difference. First operand 13 states. Second operand 5 states. [2018-12-09 01:14:20,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 01:14:20,361 INFO L93 Difference]: Finished difference Result 13 states and 14 transitions. [2018-12-09 01:14:20,362 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-09 01:14:20,363 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 14 transitions. [2018-12-09 01:14:20,363 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-12-09 01:14:20,365 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 0 states and 0 transitions. [2018-12-09 01:14:20,366 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-12-09 01:14:20,366 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-12-09 01:14:20,366 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-12-09 01:14:20,366 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-12-09 01:14:20,367 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 01:14:20,367 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 01:14:20,367 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 01:14:20,367 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-12-09 01:14:20,367 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-12-09 01:14:20,367 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-12-09 01:14:20,367 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-12-09 01:14:20,371 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 09.12 01:14:20 BoogieIcfgContainer [2018-12-09 01:14:20,371 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-12-09 01:14:20,371 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 01:14:20,371 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 01:14:20,371 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 01:14:20,372 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:14:20" (3/4) ... [2018-12-09 01:14:20,374 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-09 01:14:20,374 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 01:14:20,375 INFO L168 Benchmark]: Toolchain (without parser) took 701.61 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.9 MB). Free memory was 954.4 MB in the beginning and 1.0 GB in the end (delta: -85.8 MB). Peak memory consumption was 19.1 MB. Max. memory is 11.5 GB. [2018-12-09 01:14:20,376 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 01:14:20,376 INFO L168 Benchmark]: CACSL2BoogieTranslator took 140.14 ms. Allocated memory is still 1.0 GB. Free memory was 954.4 MB in the beginning and 942.5 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 11.5 GB. [2018-12-09 01:14:20,377 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.68 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.9 MB). Free memory was 942.5 MB in the beginning and 1.1 GB in the end (delta: -163.0 MB). Peak memory consumption was 15.7 MB. Max. memory is 11.5 GB. [2018-12-09 01:14:20,377 INFO L168 Benchmark]: Boogie Preprocessor took 16.63 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-09 01:14:20,378 INFO L168 Benchmark]: RCFGBuilder took 135.12 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. [2018-12-09 01:14:20,378 INFO L168 Benchmark]: BuchiAutomizer took 355.17 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 48.4 MB). Peak memory consumption was 48.4 MB. Max. memory is 11.5 GB. [2018-12-09 01:14:20,378 INFO L168 Benchmark]: Witness Printer took 3.16 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 01:14:20,380 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 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 140.14 ms. Allocated memory is still 1.0 GB. Free memory was 954.4 MB in the beginning and 942.5 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 48.68 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.9 MB). Free memory was 942.5 MB in the beginning and 1.1 GB in the end (delta: -163.0 MB). Peak memory consumption was 15.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.63 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 135.12 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 355.17 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 48.4 MB). Peak memory consumption was 48.4 MB. Max. memory is 11.5 GB. * Witness Printer took 3.16 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic). 1 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 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 [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 10 SDtfs, 11 SDslu, 7 SDs, 0 SdLazy, 10 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: 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...