./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-invgen/sendmail-close-angle.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_9cfc03aa-7fbe-4214-b445-99421638978b/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_9cfc03aa-7fbe-4214-b445-99421638978b/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_9cfc03aa-7fbe-4214-b445-99421638978b/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_9cfc03aa-7fbe-4214-b445-99421638978b/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-invgen/sendmail-close-angle.i -s /tmp/vcloud-vcloud-master/worker/run_dir_9cfc03aa-7fbe-4214-b445-99421638978b/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_9cfc03aa-7fbe-4214-b445-99421638978b/bin/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 305e9c546a6cc2591d6267bc612ab5ec3e8adaa4 .................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 00:28:32,899 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 00:28:32,901 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 00:28:32,912 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 00:28:32,913 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 00:28:32,915 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 00:28:32,916 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 00:28:32,919 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 00:28:32,923 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 00:28:32,931 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 00:28:32,932 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 00:28:32,933 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 00:28:32,934 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 00:28:32,936 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 00:28:32,938 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 00:28:32,939 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 00:28:32,940 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 00:28:32,944 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 00:28:32,946 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 00:28:32,949 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 00:28:32,951 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 00:28:32,954 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 00:28:32,955 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 00:28:32,957 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 00:28:32,960 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 00:28:32,961 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 00:28:32,961 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 00:28:32,963 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 00:28:32,964 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 00:28:32,966 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 00:28:32,966 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 00:28:32,967 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 00:28:32,968 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 00:28:32,968 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 00:28:32,970 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 00:28:32,970 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 00:28:32,971 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 00:28:32,971 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 00:28:32,971 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 00:28:32,972 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 00:28:32,974 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 00:28:32,974 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_9cfc03aa-7fbe-4214-b445-99421638978b/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-20 00:28:33,001 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 00:28:33,003 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 00:28:33,009 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 00:28:33,010 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 00:28:33,010 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 00:28:33,010 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-20 00:28:33,010 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-20 00:28:33,010 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-20 00:28:33,010 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-20 00:28:33,011 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-20 00:28:33,011 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-20 00:28:33,011 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 00:28:33,011 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 00:28:33,011 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 00:28:33,012 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 00:28:33,012 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 00:28:33,012 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 00:28:33,012 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-20 00:28:33,012 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-20 00:28:33,017 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-20 00:28:33,017 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 00:28:33,018 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 00:28:33,019 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-20 00:28:33,019 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 00:28:33,020 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-20 00:28:33,020 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 00:28:33,021 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 00:28:33,021 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-20 00:28:33,022 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 00:28:33,022 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 00:28:33,022 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-20 00:28:33,023 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-20 00:28:33,023 INFO L138 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/run_dir_9cfc03aa-7fbe-4214-b445-99421638978b/bin/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 -> 305e9c546a6cc2591d6267bc612ab5ec3e8adaa4 [2019-11-20 00:28:33,159 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 00:28:33,169 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 00:28:33,172 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 00:28:33,174 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 00:28:33,174 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 00:28:33,175 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_9cfc03aa-7fbe-4214-b445-99421638978b/bin/uautomizer/../../sv-benchmarks/c/loop-invgen/sendmail-close-angle.i [2019-11-20 00:28:33,223 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9cfc03aa-7fbe-4214-b445-99421638978b/bin/uautomizer/data/a644d20a4/20a8ea034e57445491d4ed25131ba26f/FLAG2e8cf058c [2019-11-20 00:28:33,642 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 00:28:33,644 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_9cfc03aa-7fbe-4214-b445-99421638978b/sv-benchmarks/c/loop-invgen/sendmail-close-angle.i [2019-11-20 00:28:33,651 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9cfc03aa-7fbe-4214-b445-99421638978b/bin/uautomizer/data/a644d20a4/20a8ea034e57445491d4ed25131ba26f/FLAG2e8cf058c [2019-11-20 00:28:33,668 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_9cfc03aa-7fbe-4214-b445-99421638978b/bin/uautomizer/data/a644d20a4/20a8ea034e57445491d4ed25131ba26f [2019-11-20 00:28:33,671 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 00:28:33,672 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 00:28:33,674 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 00:28:33,675 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 00:28:33,677 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 00:28:33,678 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:28:33" (1/1) ... [2019-11-20 00:28:33,680 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@545bdee6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:28:33, skipping insertion in model container [2019-11-20 00:28:33,681 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:28:33" (1/1) ... [2019-11-20 00:28:33,687 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 00:28:33,705 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 00:28:33,889 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 00:28:33,894 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 00:28:33,974 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 00:28:33,986 INFO L192 MainTranslator]: Completed translation [2019-11-20 00:28:33,987 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:28:33 WrapperNode [2019-11-20 00:28:33,987 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 00:28:33,988 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 00:28:33,988 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 00:28:33,988 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 00:28:33,997 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:28:33" (1/1) ... [2019-11-20 00:28:34,002 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:28:33" (1/1) ... [2019-11-20 00:28:34,026 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 00:28:34,026 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 00:28:34,026 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 00:28:34,027 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 00:28:34,035 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:28:33" (1/1) ... [2019-11-20 00:28:34,035 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:28:33" (1/1) ... [2019-11-20 00:28:34,038 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:28:33" (1/1) ... [2019-11-20 00:28:34,038 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:28:33" (1/1) ... [2019-11-20 00:28:34,046 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:28:33" (1/1) ... [2019-11-20 00:28:34,051 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:28:33" (1/1) ... [2019-11-20 00:28:34,055 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:28:33" (1/1) ... [2019-11-20 00:28:34,061 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 00:28:34,061 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 00:28:34,062 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 00:28:34,062 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 00:28:34,063 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:28:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9cfc03aa-7fbe-4214-b445-99421638978b/bin/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 [2019-11-20 00:28:34,124 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 00:28:34,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 00:28:34,370 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 00:28:34,370 INFO L285 CfgBuilder]: Removed 21 assume(true) statements. [2019-11-20 00:28:34,371 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:28:34 BoogieIcfgContainer [2019-11-20 00:28:34,372 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 00:28:34,372 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-20 00:28:34,372 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-20 00:28:34,375 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-20 00:28:34,376 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 00:28:34,376 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 12:28:33" (1/3) ... [2019-11-20 00:28:34,377 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@42690a09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 12:28:34, skipping insertion in model container [2019-11-20 00:28:34,378 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 00:28:34,378 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:28:33" (2/3) ... [2019-11-20 00:28:34,378 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@42690a09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 12:28:34, skipping insertion in model container [2019-11-20 00:28:34,378 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 00:28:34,378 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:28:34" (3/3) ... [2019-11-20 00:28:34,380 INFO L371 chiAutomizerObserver]: Analyzing ICFG sendmail-close-angle.i [2019-11-20 00:28:34,422 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-20 00:28:34,422 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-20 00:28:34,422 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-20 00:28:34,422 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 00:28:34,423 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 00:28:34,423 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-20 00:28:34,423 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 00:28:34,423 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-20 00:28:34,453 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 36 states. [2019-11-20 00:28:34,473 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 14 [2019-11-20 00:28:34,473 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 00:28:34,473 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 00:28:34,479 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-20 00:28:34,479 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 00:28:34,480 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-20 00:28:34,480 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 36 states. [2019-11-20 00:28:34,483 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 14 [2019-11-20 00:28:34,483 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 00:28:34,483 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 00:28:34,484 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-20 00:28:34,484 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 00:28:34,502 INFO L794 eck$LassoCheckResult]: Stem: 34#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet1, main_#t~nondet2, main_#t~post4, main_#t~post5, main_#t~nondet3, main_#t~post6, main_#t~post7, main_~in~0, main_~inlen~0, main_~bufferlen~0, main_~buf~0, main_~buflim~0;havoc main_~in~0;main_~inlen~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~bufferlen~0 := main_#t~nondet2;havoc main_#t~nondet2;havoc main_~buf~0;havoc main_~buflim~0; 25#L17true assume main_~bufferlen~0 > 1; 23#L17-1true assume main_~inlen~0 > 0; 6#L18true assume main_~bufferlen~0 < main_~inlen~0; 28#L19true main_~buf~0 := 0;main_~in~0 := 0;main_~buflim~0 := main_~bufferlen~0 - 2; 19#L4-11true [2019-11-20 00:28:34,503 INFO L796 eck$LassoCheckResult]: Loop: 19#L4-11true assume !!(0 != main_#t~nondet3);havoc main_#t~nondet3; 20#L25true assume !(main_~buf~0 == main_~buflim~0);__VERIFIER_assert_#in~cond := (if 0 <= main_~buf~0 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 38#L4true assume !(0 == __VERIFIER_assert_~cond); 36#L4-2true __VERIFIER_assert_#in~cond := (if main_~buf~0 < main_~bufferlen~0 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 35#L4-3true assume !(0 == __VERIFIER_assert_~cond); 33#L4-5true main_#t~post4 := main_~buf~0;main_~buf~0 := 1 + main_#t~post4;havoc main_#t~post4; 30#L30true main_#t~post5 := main_~in~0;main_~in~0 := 1 + main_#t~post5;havoc main_#t~post5;__VERIFIER_assert_#in~cond := (if 0 <= main_~in~0 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 7#L4-6true assume !(0 == __VERIFIER_assert_~cond); 5#L4-8true __VERIFIER_assert_#in~cond := (if main_~in~0 < main_~inlen~0 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 4#L4-9true assume !(0 == __VERIFIER_assert_~cond); 19#L4-11true [2019-11-20 00:28:34,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:28:34,525 INFO L82 PathProgramCache]: Analyzing trace with hash 29681962, now seen corresponding path program 1 times [2019-11-20 00:28:34,536 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 00:28:34,536 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321500674] [2019-11-20 00:28:34,537 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 00:28:34,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:28:34,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:28:34,624 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 00:28:34,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:28:34,625 INFO L82 PathProgramCache]: Analyzing trace with hash 118105786, now seen corresponding path program 1 times [2019-11-20 00:28:34,625 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 00:28:34,625 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050832218] [2019-11-20 00:28:34,626 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 00:28:34,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:28:34,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:28:34,676 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 00:28:34,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:28:34,678 INFO L82 PathProgramCache]: Analyzing trace with hash -1558155101, now seen corresponding path program 1 times [2019-11-20 00:28:34,678 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 00:28:34,679 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506428866] [2019-11-20 00:28:34,679 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 00:28:34,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:28:34,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:28:34,722 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 00:28:34,963 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 27 [2019-11-20 00:28:34,973 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 00:28:34,973 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 00:28:34,973 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 00:28:34,974 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 00:28:34,974 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-20 00:28:34,974 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:28:34,974 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 00:28:34,974 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 00:28:34,974 INFO L133 ssoRankerPreferences]: Filename of dumped script: sendmail-close-angle.i_Iteration1_Loop [2019-11-20 00:28:34,975 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 00:28:34,975 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 00:28:34,998 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:28:35,016 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:28:35,019 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:28:35,040 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:28:35,045 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:28:35,052 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:28:35,184 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 00:28:35,184 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9cfc03aa-7fbe-4214-b445-99421638978b/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 00:28:35,203 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 00:28:35,203 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9cfc03aa-7fbe-4214-b445-99421638978b/bin/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 [2019-11-20 00:28:35,224 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-20 00:28:35,225 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-20 00:28:35,362 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-20 00:28:35,364 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 00:28:35,364 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 00:28:35,364 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 00:28:35,364 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 00:28:35,364 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 00:28:35,365 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:28:35,365 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 00:28:35,365 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 00:28:35,365 INFO L133 ssoRankerPreferences]: Filename of dumped script: sendmail-close-angle.i_Iteration1_Loop [2019-11-20 00:28:35,365 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 00:28:35,365 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 00:28:35,366 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:28:35,381 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:28:35,396 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:28:35,401 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:28:35,424 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:28:35,430 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:28:35,582 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 00:28:35,587 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9cfc03aa-7fbe-4214-b445-99421638978b/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 00:28:35,594 INFO L120 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 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:28:35,596 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:28:35,596 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 00:28:35,597 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:28:35,597 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:28:35,597 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:28:35,600 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 00:28:35,600 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 00:28:35,603 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9cfc03aa-7fbe-4214-b445-99421638978b/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 00:28:35,618 INFO L120 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 [2019-11-20 00:28:35,619 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:28:35,620 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 00:28:35,620 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:28:35,620 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:28:35,620 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:28:35,621 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 00:28:35,622 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:28:35,625 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 00:28:35,631 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-20 00:28:35,631 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9cfc03aa-7fbe-4214-b445-99421638978b/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 00:28:35,650 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-20 00:28:35,650 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-20 00:28:35,650 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 00:28:35,651 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~in~0, ULTIMATE.start_main_~inlen~0) = -1*ULTIMATE.start_main_~in~0 + 1*ULTIMATE.start_main_~inlen~0 Supporting invariants [] Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:28:35,655 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-11-20 00:28:35,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:28:35,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:28:35,707 INFO L255 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 00:28:35,708 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 00:28:35,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:28:35,731 INFO L255 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-20 00:28:35,734 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 00:28:35,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 00:28:35,809 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 [2019-11-20 00:28:35,811 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 36 states. Second operand 5 states. [2019-11-20 00:28:35,925 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 36 states.. Second operand 5 states. Result 103 states and 130 transitions. Complement of second has 9 states. [2019-11-20 00:28:35,925 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2019-11-20 00:28:35,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-11-20 00:28:35,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 93 transitions. [2019-11-20 00:28:35,930 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 93 transitions. Stem has 5 letters. Loop has 10 letters. [2019-11-20 00:28:35,931 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 00:28:35,931 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 93 transitions. Stem has 15 letters. Loop has 10 letters. [2019-11-20 00:28:35,932 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 00:28:35,932 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 93 transitions. Stem has 5 letters. Loop has 20 letters. [2019-11-20 00:28:35,932 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 00:28:35,933 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 103 states and 130 transitions. [2019-11-20 00:28:35,940 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 00:28:35,943 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 103 states to 0 states and 0 transitions. [2019-11-20 00:28:35,944 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-20 00:28:35,944 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-20 00:28:35,945 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-20 00:28:35,945 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 00:28:35,945 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 00:28:35,945 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 00:28:35,946 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 00:28:35,946 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-20 00:28:35,946 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-20 00:28:35,946 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 00:28:35,946 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-20 00:28:35,952 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 12:28:35 BoogieIcfgContainer [2019-11-20 00:28:35,952 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-20 00:28:35,953 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 00:28:35,953 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 00:28:35,953 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 00:28:35,954 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:28:34" (3/4) ... [2019-11-20 00:28:35,957 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-20 00:28:35,957 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 00:28:35,959 INFO L168 Benchmark]: Toolchain (without parser) took 2287.18 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.3 MB). Free memory was 946.1 MB in the beginning and 959.2 MB in the end (delta: -13.1 MB). Peak memory consumption was 102.3 MB. Max. memory is 11.5 GB. [2019-11-20 00:28:35,959 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 00:28:35,960 INFO L168 Benchmark]: CACSL2BoogieTranslator took 313.10 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.3 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -166.6 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. [2019-11-20 00:28:35,961 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.35 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 00:28:35,961 INFO L168 Benchmark]: Boogie Preprocessor took 34.59 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. [2019-11-20 00:28:35,962 INFO L168 Benchmark]: RCFGBuilder took 310.58 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: 23.7 MB). Peak memory consumption was 23.7 MB. Max. memory is 11.5 GB. [2019-11-20 00:28:35,963 INFO L168 Benchmark]: BuchiAutomizer took 1580.29 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 959.2 MB in the end (delta: 127.2 MB). Peak memory consumption was 127.2 MB. Max. memory is 11.5 GB. [2019-11-20 00:28:35,963 INFO L168 Benchmark]: Witness Printer took 4.68 ms. Allocated memory is still 1.1 GB. Free memory is still 959.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 00:28:35,966 INFO L335 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 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 313.10 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.3 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -166.6 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 38.35 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 34.59 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 310.58 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: 23.7 MB). Peak memory consumption was 23.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1580.29 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 959.2 MB in the end (delta: 127.2 MB). Peak memory consumption was 127.2 MB. Max. memory is 11.5 GB. * Witness Printer took 4.68 ms. Allocated memory is still 1.1 GB. Free memory is still 959.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * in + inlen and consists of 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.5s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. 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: 39 SDtfs, 45 SDslu, 54 SDs, 0 SdLazy, 10 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital38 mio100 ax100 hnf100 lsp44 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq158 hnf96 smp100 dnf169 smp100 tf104 neg95 sie118 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 15ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...