./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-invgen/apache-get-tag_true-unreach-call_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_9762e032-7c7e-4059-b2b1-c98aeab93401/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9762e032-7c7e-4059-b2b1-c98aeab93401/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9762e032-7c7e-4059-b2b1-c98aeab93401/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9762e032-7c7e-4059-b2b1-c98aeab93401/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-invgen/apache-get-tag_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_9762e032-7c7e-4059-b2b1-c98aeab93401/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9762e032-7c7e-4059-b2b1-c98aeab93401/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 01c80fcdd0a0da14cc25a34188deb5573e4a4209 ............................................................................................................................................................................................................................................................................................................................................................................ 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 12:54:55,183 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 12:54:55,184 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 12:54:55,192 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 12:54:55,192 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 12:54:55,192 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 12:54:55,193 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 12:54:55,194 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 12:54:55,195 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 12:54:55,196 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 12:54:55,196 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 12:54:55,196 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 12:54:55,197 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 12:54:55,198 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 12:54:55,198 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 12:54:55,199 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 12:54:55,199 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 12:54:55,200 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 12:54:55,201 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 12:54:55,202 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 12:54:55,203 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 12:54:55,203 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 12:54:55,204 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 12:54:55,204 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 12:54:55,204 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 12:54:55,205 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 12:54:55,205 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 12:54:55,206 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 12:54:55,206 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 12:54:55,206 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 12:54:55,207 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 12:54:55,207 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 12:54:55,207 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 12:54:55,207 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 12:54:55,208 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 12:54:55,208 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 12:54:55,208 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9762e032-7c7e-4059-b2b1-c98aeab93401/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-28 12:54:55,218 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 12:54:55,218 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 12:54:55,219 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 12:54:55,219 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 12:54:55,219 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 12:54:55,219 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-28 12:54:55,219 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-28 12:54:55,219 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-28 12:54:55,220 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-28 12:54:55,220 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-28 12:54:55,220 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-28 12:54:55,220 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 12:54:55,220 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 12:54:55,220 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 12:54:55,220 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 12:54:55,221 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 12:54:55,221 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 12:54:55,221 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-28 12:54:55,221 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-28 12:54:55,221 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-28 12:54:55,221 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 12:54:55,221 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 12:54:55,221 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-28 12:54:55,222 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 12:54:55,222 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-28 12:54:55,222 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 12:54:55,222 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 12:54:55,222 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-28 12:54:55,222 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 12:54:55,222 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 12:54:55,223 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-28 12:54:55,223 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-28 12:54:55,223 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_9762e032-7c7e-4059-b2b1-c98aeab93401/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 -> 01c80fcdd0a0da14cc25a34188deb5573e4a4209 [2018-11-28 12:54:55,248 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 12:54:55,256 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 12:54:55,259 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 12:54:55,260 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 12:54:55,260 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 12:54:55,261 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9762e032-7c7e-4059-b2b1-c98aeab93401/bin-2019/uautomizer/../../sv-benchmarks/c/loop-invgen/apache-get-tag_true-unreach-call_true-termination.i [2018-11-28 12:54:55,305 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9762e032-7c7e-4059-b2b1-c98aeab93401/bin-2019/uautomizer/data/a3e9b39d2/ff4c88d2f0024d628801546f60312d42/FLAGcde22d58b [2018-11-28 12:54:55,614 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 12:54:55,614 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9762e032-7c7e-4059-b2b1-c98aeab93401/sv-benchmarks/c/loop-invgen/apache-get-tag_true-unreach-call_true-termination.i [2018-11-28 12:54:55,618 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9762e032-7c7e-4059-b2b1-c98aeab93401/bin-2019/uautomizer/data/a3e9b39d2/ff4c88d2f0024d628801546f60312d42/FLAGcde22d58b [2018-11-28 12:54:55,627 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9762e032-7c7e-4059-b2b1-c98aeab93401/bin-2019/uautomizer/data/a3e9b39d2/ff4c88d2f0024d628801546f60312d42 [2018-11-28 12:54:55,629 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 12:54:55,630 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 12:54:55,631 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 12:54:55,631 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 12:54:55,634 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 12:54:55,634 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:54:55" (1/1) ... [2018-11-28 12:54:55,637 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cad7cbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:55, skipping insertion in model container [2018-11-28 12:54:55,637 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:54:55" (1/1) ... [2018-11-28 12:54:55,642 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 12:54:55,653 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 12:54:55,752 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:54:55,754 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 12:54:55,767 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:54:55,775 INFO L195 MainTranslator]: Completed translation [2018-11-28 12:54:55,775 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:55 WrapperNode [2018-11-28 12:54:55,775 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 12:54:55,776 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 12:54:55,776 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 12:54:55,776 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 12:54:55,781 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:55" (1/1) ... [2018-11-28 12:54:55,784 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:55" (1/1) ... [2018-11-28 12:54:55,798 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 12:54:55,798 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 12:54:55,798 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 12:54:55,798 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 12:54:55,805 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:55" (1/1) ... [2018-11-28 12:54:55,806 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:55" (1/1) ... [2018-11-28 12:54:55,806 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:55" (1/1) ... [2018-11-28 12:54:55,807 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:55" (1/1) ... [2018-11-28 12:54:55,809 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:55" (1/1) ... [2018-11-28 12:54:55,813 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:55" (1/1) ... [2018-11-28 12:54:55,814 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:55" (1/1) ... [2018-11-28 12:54:55,816 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 12:54:55,816 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 12:54:55,816 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 12:54:55,816 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 12:54:55,817 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:55" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9762e032-7c7e-4059-b2b1-c98aeab93401/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 12:54:55,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 12:54:55,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 12:54:56,047 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 12:54:56,047 INFO L280 CfgBuilder]: Removed 38 assue(true) statements. [2018-11-28 12:54:56,048 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:54:56 BoogieIcfgContainer [2018-11-28 12:54:56,048 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 12:54:56,048 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-28 12:54:56,048 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-28 12:54:56,051 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-28 12:54:56,051 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 12:54:56,051 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 12:54:55" (1/3) ... [2018-11-28 12:54:56,052 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5d5db6a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 12:54:56, skipping insertion in model container [2018-11-28 12:54:56,052 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 12:54:56,052 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:55" (2/3) ... [2018-11-28 12:54:56,053 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5d5db6a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 12:54:56, skipping insertion in model container [2018-11-28 12:54:56,053 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 12:54:56,053 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:54:56" (3/3) ... [2018-11-28 12:54:56,054 INFO L375 chiAutomizerObserver]: Analyzing ICFG apache-get-tag_true-unreach-call_true-termination.i [2018-11-28 12:54:56,098 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 12:54:56,098 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-28 12:54:56,098 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-28 12:54:56,099 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-28 12:54:56,099 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 12:54:56,099 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 12:54:56,099 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-28 12:54:56,099 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 12:54:56,099 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-28 12:54:56,109 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 63 states. [2018-11-28 12:54:56,123 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 28 [2018-11-28 12:54:56,124 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 12:54:56,124 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 12:54:56,128 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2018-11-28 12:54:56,128 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:54:56,128 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-28 12:54:56,128 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 63 states. [2018-11-28 12:54:56,131 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 28 [2018-11-28 12:54:56,131 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 12:54:56,131 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 12:54:56,132 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2018-11-28 12:54:56,132 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:54:56,136 INFO L794 eck$LassoCheckResult]: Stem: 31#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet1, main_#t~pre2, main_#t~nondet3, main_#t~post4, main_#t~post5, main_#t~nondet6, main_#t~nondet7, main_#t~post8, main_#t~nondet9, main_#t~post10, main_~tagbuf_len~0, main_~t~0;havoc main_~tagbuf_len~0;havoc main_~t~0;main_~tagbuf_len~0 := main_#t~nondet1;havoc main_#t~nondet1; 17#L15true assume main_~tagbuf_len~0 >= 1; 39#L15-1true main_~t~0 := 0;main_#t~pre2 := main_~tagbuf_len~0 - 1;main_~tagbuf_len~0 := main_~tagbuf_len~0 - 1;havoc main_#t~pre2; 4#L18-2true [2018-11-28 12:54:56,137 INFO L796 eck$LassoCheckResult]: Loop: 4#L18-2true assume !false; 25#L19true assume !(main_~t~0 == main_~tagbuf_len~0); 64#L24true assume !(0 != main_#t~nondet3);havoc main_#t~nondet3;__VERIFIER_assert_#in~cond := (if 0 <= main_~t~0 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 10#L4-6true assume !(0 == __VERIFIER_assert_~cond); 6#L4-8true __VERIFIER_assert_#in~cond := (if main_~t~0 <= main_~tagbuf_len~0 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 5#L4-9true assume !(0 == __VERIFIER_assert_~cond); 16#L4-11true main_#t~post4 := main_~t~0;main_~t~0 := 1 + main_#t~post4;havoc main_#t~post4; 4#L18-2true [2018-11-28 12:54:56,140 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:54:56,140 INFO L82 PathProgramCache]: Analyzing trace with hash 30884, now seen corresponding path program 1 times [2018-11-28 12:54:56,141 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:54:56,142 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:54:56,171 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:54:56,171 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:54:56,172 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:54:56,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:54:56,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:54:56,205 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:54:56,205 INFO L82 PathProgramCache]: Analyzing trace with hash 868415643, now seen corresponding path program 1 times [2018-11-28 12:54:56,206 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:54:56,206 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:54:56,206 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:54:56,207 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:54:56,207 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:54:56,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:54:56,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:54:56,222 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:54:56,223 INFO L82 PathProgramCache]: Analyzing trace with hash -450162024, now seen corresponding path program 1 times [2018-11-28 12:54:56,223 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:54:56,223 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:54:56,224 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:54:56,224 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:54:56,224 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:54:56,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:54:56,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:54:56,352 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 12:54:56,352 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 12:54:56,352 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 12:54:56,352 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 12:54:56,353 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-28 12:54:56,353 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 12:54:56,353 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 12:54:56,353 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 12:54:56,353 INFO L131 ssoRankerPreferences]: Filename of dumped script: apache-get-tag_true-unreach-call_true-termination.i_Iteration1_Loop [2018-11-28 12:54:56,353 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 12:54:56,353 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 12:54:56,367 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 12:54:56,376 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 12:54:56,381 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 12:54:56,382 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 12:54:56,436 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 12:54:56,436 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9762e032-7c7e-4059-b2b1-c98aeab93401/bin-2019/uautomizer/z3 Starting monitored process 2 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 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 12:54:56,439 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 12:54:56,440 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9762e032-7c7e-4059-b2b1-c98aeab93401/bin-2019/uautomizer/z3 Starting monitored process 3 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 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 12:54:56,457 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-28 12:54:56,457 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 12:54:56,484 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-28 12:54:56,485 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 12:54:56,485 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 12:54:56,485 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 12:54:56,485 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 12:54:56,485 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 12:54:56,485 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 12:54:56,485 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 12:54:56,485 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 12:54:56,485 INFO L131 ssoRankerPreferences]: Filename of dumped script: apache-get-tag_true-unreach-call_true-termination.i_Iteration1_Loop [2018-11-28 12:54:56,485 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 12:54:56,486 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 12:54:56,487 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 12:54:56,499 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 12:54:56,505 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 12:54:56,506 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 12:54:56,561 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 12:54:56,566 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 12:54:56,567 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 12:54:56,568 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:54:56,568 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:54:56,569 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:54:56,569 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:54:56,569 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:54:56,571 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 12:54:56,571 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:54:56,576 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:54:56,576 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 12:54:56,577 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:54:56,577 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:54:56,577 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:54:56,577 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:54:56,577 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:54:56,578 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 12:54:56,578 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:54:56,582 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-28 12:54:56,586 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-28 12:54:56,587 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2018-11-28 12:54:56,588 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-28 12:54:56,588 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-11-28 12:54:56,588 INFO L518 LassoAnalysis]: Proved termination. [2018-11-28 12:54:56,588 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~tagbuf_len~0, ULTIMATE.start_main_~t~0) = 1*ULTIMATE.start_main_~tagbuf_len~0 - 1*ULTIMATE.start_main_~t~0 Supporting invariants [] [2018-11-28 12:54:56,589 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-11-28 12:54:56,610 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:54:56,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:54:56,619 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:54:56,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:54:56,631 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:54:56,670 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 12:54:56,680 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2018-11-28 12:54:56,681 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 63 states. Second operand 5 states. [2018-11-28 12:54:56,880 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 63 states.. Second operand 5 states. Result 180 states and 240 transitions. Complement of second has 11 states. [2018-11-28 12:54:56,880 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 1 stem states 4 non-accepting loop states 1 accepting loop states [2018-11-28 12:54:56,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-28 12:54:56,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 176 transitions. [2018-11-28 12:54:56,884 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 176 transitions. Stem has 3 letters. Loop has 7 letters. [2018-11-28 12:54:56,885 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 12:54:56,885 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 176 transitions. Stem has 10 letters. Loop has 7 letters. [2018-11-28 12:54:56,885 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 12:54:56,885 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 176 transitions. Stem has 3 letters. Loop has 14 letters. [2018-11-28 12:54:56,885 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 12:54:56,886 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 180 states and 240 transitions. [2018-11-28 12:54:56,891 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 12:54:56,893 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 180 states to 0 states and 0 transitions. [2018-11-28 12:54:56,893 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-28 12:54:56,894 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-28 12:54:56,894 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-28 12:54:56,894 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 12:54:56,894 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 12:54:56,894 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 12:54:56,894 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 12:54:56,894 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-28 12:54:56,894 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-28 12:54:56,895 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 12:54:56,895 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-28 12:54:56,898 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 12:54:56 BoogieIcfgContainer [2018-11-28 12:54:56,899 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-28 12:54:56,899 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 12:54:56,899 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 12:54:56,899 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 12:54:56,899 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:54:56" (3/4) ... [2018-11-28 12:54:56,901 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-28 12:54:56,901 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 12:54:56,902 INFO L168 Benchmark]: Toolchain (without parser) took 1272.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 954.4 MB in the beginning and 997.1 MB in the end (delta: -42.7 MB). Peak memory consumption was 91.5 MB. Max. memory is 11.5 GB. [2018-11-28 12:54:56,903 INFO L168 Benchmark]: CDTParser took 0.14 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 12:54:56,903 INFO L168 Benchmark]: CACSL2BoogieTranslator took 144.80 ms. Allocated memory is still 1.0 GB. Free memory was 954.4 MB in the beginning and 943.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-28 12:54:56,904 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.40 ms. Allocated memory is still 1.0 GB. Free memory was 943.7 MB in the beginning and 941.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-28 12:54:56,905 INFO L168 Benchmark]: Boogie Preprocessor took 17.79 ms. Allocated memory is still 1.0 GB. Free memory is still 941.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:54:56,905 INFO L168 Benchmark]: RCFGBuilder took 231.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 941.0 MB in the beginning and 1.1 GB in the end (delta: -171.1 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. [2018-11-28 12:54:56,905 INFO L168 Benchmark]: BuchiAutomizer took 850.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 999.8 MB in the end (delta: 112.3 MB). Peak memory consumption was 112.3 MB. Max. memory is 11.5 GB. [2018-11-28 12:54:56,906 INFO L168 Benchmark]: Witness Printer took 2.75 ms. Allocated memory is still 1.2 GB. Free memory was 999.8 MB in the beginning and 997.1 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-28 12:54:56,908 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 144.80 ms. Allocated memory is still 1.0 GB. Free memory was 954.4 MB in the beginning and 943.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 22.40 ms. Allocated memory is still 1.0 GB. Free memory was 943.7 MB in the beginning and 941.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.79 ms. Allocated memory is still 1.0 GB. Free memory is still 941.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 231.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 941.0 MB in the beginning and 1.1 GB in the end (delta: -171.1 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 850.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 999.8 MB in the end (delta: 112.3 MB). Peak memory consumption was 112.3 MB. Max. memory is 11.5 GB. * Witness Printer took 2.75 ms. Allocated memory is still 1.2 GB. Free memory was 999.8 MB in the beginning and 997.1 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function tagbuf_len + -1 * t and consists of 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.4s. Construction of modules took 0.1s. 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: 34 SDtfs, 63 SDslu, 53 SDs, 0 SdLazy, 113 SolverSat, 23 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital26 mio100 ax100 hnf100 lsp65 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq158 hnf96 smp73 dnf100 smp100 tf110 neg95 sie110 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 9ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 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...