./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/email_spec7_product27.cil.c --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_eefb81f5-45e3-4a93-8f22-18ddcd482010/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_eefb81f5-45e3-4a93-8f22-18ddcd482010/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_eefb81f5-45e3-4a93-8f22-18ddcd482010/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_eefb81f5-45e3-4a93-8f22-18ddcd482010/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/email_spec7_product27.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_eefb81f5-45e3-4a93-8f22-18ddcd482010/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_eefb81f5-45e3-4a93-8f22-18ddcd482010/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 52b815f7b7cd5d9282307460e36a89693f1a1da7 ................................................................................................................................................................................................................................................................................................................................................................................................ 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 02:58:20,022 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 02:58:20,024 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 02:58:20,040 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 02:58:20,040 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 02:58:20,041 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 02:58:20,043 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 02:58:20,045 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 02:58:20,047 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 02:58:20,048 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 02:58:20,049 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 02:58:20,051 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 02:58:20,051 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 02:58:20,052 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 02:58:20,053 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 02:58:20,055 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 02:58:20,056 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 02:58:20,057 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 02:58:20,059 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 02:58:20,061 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 02:58:20,063 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 02:58:20,064 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 02:58:20,072 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 02:58:20,073 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 02:58:20,079 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 02:58:20,082 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 02:58:20,083 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 02:58:20,086 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 02:58:20,087 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 02:58:20,089 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 02:58:20,089 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 02:58:20,090 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 02:58:20,091 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 02:58:20,092 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 02:58:20,096 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 02:58:20,096 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 02:58:20,097 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 02:58:20,097 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 02:58:20,097 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 02:58:20,098 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 02:58:20,099 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 02:58:20,099 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_eefb81f5-45e3-4a93-8f22-18ddcd482010/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-20 02:58:20,118 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 02:58:20,118 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 02:58:20,119 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 02:58:20,120 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 02:58:20,120 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 02:58:20,120 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-20 02:58:20,121 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-20 02:58:20,121 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-20 02:58:20,121 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-20 02:58:20,121 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-20 02:58:20,121 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-20 02:58:20,122 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 02:58:20,122 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 02:58:20,122 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 02:58:20,122 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 02:58:20,123 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 02:58:20,123 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 02:58:20,123 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-20 02:58:20,123 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-20 02:58:20,123 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-20 02:58:20,124 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 02:58:20,124 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 02:58:20,124 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-20 02:58:20,124 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 02:58:20,125 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-20 02:58:20,125 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 02:58:20,125 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 02:58:20,125 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-20 02:58:20,126 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 02:58:20,126 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 02:58:20,126 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-20 02:58:20,127 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-20 02:58:20,127 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_eefb81f5-45e3-4a93-8f22-18ddcd482010/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 -> 52b815f7b7cd5d9282307460e36a89693f1a1da7 [2019-11-20 02:58:20,297 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 02:58:20,319 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 02:58:20,324 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 02:58:20,328 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 02:58:20,328 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 02:58:20,329 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_eefb81f5-45e3-4a93-8f22-18ddcd482010/bin/uautomizer/../../sv-benchmarks/c/product-lines/email_spec7_product27.cil.c [2019-11-20 02:58:20,393 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_eefb81f5-45e3-4a93-8f22-18ddcd482010/bin/uautomizer/data/29d433ca6/c3837c9494114003b65c86168e3fae6e/FLAG210c6ecc9 [2019-11-20 02:58:21,068 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 02:58:21,068 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_eefb81f5-45e3-4a93-8f22-18ddcd482010/sv-benchmarks/c/product-lines/email_spec7_product27.cil.c [2019-11-20 02:58:21,109 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_eefb81f5-45e3-4a93-8f22-18ddcd482010/bin/uautomizer/data/29d433ca6/c3837c9494114003b65c86168e3fae6e/FLAG210c6ecc9 [2019-11-20 02:58:21,209 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_eefb81f5-45e3-4a93-8f22-18ddcd482010/bin/uautomizer/data/29d433ca6/c3837c9494114003b65c86168e3fae6e [2019-11-20 02:58:21,214 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 02:58:21,215 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 02:58:21,218 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 02:58:21,219 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 02:58:21,223 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 02:58:21,224 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:58:21" (1/1) ... [2019-11-20 02:58:21,228 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f218234 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:58:21, skipping insertion in model container [2019-11-20 02:58:21,229 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:58:21" (1/1) ... [2019-11-20 02:58:21,238 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 02:58:21,346 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 02:58:22,023 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 02:58:22,041 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 02:58:22,204 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 02:58:22,303 INFO L192 MainTranslator]: Completed translation [2019-11-20 02:58:22,303 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:58:22 WrapperNode [2019-11-20 02:58:22,303 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 02:58:22,305 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 02:58:22,305 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 02:58:22,305 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 02:58:22,315 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:58:22" (1/1) ... [2019-11-20 02:58:22,372 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:58:22" (1/1) ... [2019-11-20 02:58:22,544 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 02:58:22,544 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 02:58:22,544 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 02:58:22,544 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 02:58:22,563 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:58:22" (1/1) ... [2019-11-20 02:58:22,564 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:58:22" (1/1) ... [2019-11-20 02:58:22,575 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:58:22" (1/1) ... [2019-11-20 02:58:22,575 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:58:22" (1/1) ... [2019-11-20 02:58:22,657 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:58:22" (1/1) ... [2019-11-20 02:58:22,717 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:58:22" (1/1) ... [2019-11-20 02:58:22,728 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:58:22" (1/1) ... [2019-11-20 02:58:22,759 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 02:58:22,761 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 02:58:22,762 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 02:58:22,762 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 02:58:22,763 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:58:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_eefb81f5-45e3-4a93-8f22-18ddcd482010/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 02:58:22,843 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-11-20 02:58:22,843 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 02:58:22,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-20 02:58:22,843 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 02:58:22,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 02:58:26,812 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 02:58:26,814 INFO L285 CfgBuilder]: Removed 685 assume(true) statements. [2019-11-20 02:58:26,816 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:58:26 BoogieIcfgContainer [2019-11-20 02:58:26,816 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 02:58:26,817 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-20 02:58:26,817 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-20 02:58:26,822 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-20 02:58:26,823 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 02:58:26,823 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 02:58:21" (1/3) ... [2019-11-20 02:58:26,826 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4d9188f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 02:58:26, skipping insertion in model container [2019-11-20 02:58:26,826 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 02:58:26,826 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:58:22" (2/3) ... [2019-11-20 02:58:26,827 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4d9188f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 02:58:26, skipping insertion in model container [2019-11-20 02:58:26,827 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 02:58:26,827 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:58:26" (3/3) ... [2019-11-20 02:58:26,831 INFO L371 chiAutomizerObserver]: Analyzing ICFG email_spec7_product27.cil.c [2019-11-20 02:58:26,894 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-20 02:58:26,895 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-20 02:58:26,895 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-20 02:58:26,895 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 02:58:26,895 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 02:58:26,895 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-20 02:58:26,896 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 02:58:26,896 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-20 02:58:26,938 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 940 states. [2019-11-20 02:58:27,035 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 259 [2019-11-20 02:58:27,038 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 02:58:27,038 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 02:58:27,050 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 02:58:27,051 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 02:58:27,051 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-20 02:58:27,051 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 940 states. [2019-11-20 02:58:27,065 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 259 [2019-11-20 02:58:27,065 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 02:58:27,065 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 02:58:27,067 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 02:58:27,068 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 02:58:27,075 INFO L794 eck$LassoCheckResult]: Stem: 306#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(10);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(34);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(30);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(16);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(20);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(22);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(21);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string43.base, #t~string43.offset, 1);call write~init~int(115, #t~string43.base, 1 + #t~string43.offset, 1);call write~init~int(10, #t~string43.base, 2 + #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 3 + #t~string43.offset, 1);~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(44);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(44);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(11);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(19);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string64.base, #t~string64.offset, 1);call write~init~int(100, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(10, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 3 + #t~string64.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string67.base, #t~string67.offset, 1);call write~init~int(100, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(10, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 3 + #t~string67.offset, 1);~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~head~0.base, ~head~0.offset := 0, 0;call #t~string95.base, #t~string95.offset := #Ultimate.allocOnStack(30);call #t~string96.base, #t~string96.offset := #Ultimate.allocOnStack(9);call #t~string97.base, #t~string97.offset := #Ultimate.allocOnStack(21);call #t~string98.base, #t~string98.offset := #Ultimate.allocOnStack(30);call #t~string99.base, #t~string99.offset := #Ultimate.allocOnStack(9);call #t~string100.base, #t~string100.offset := #Ultimate.allocOnStack(21);call #t~string104.base, #t~string104.offset := #Ultimate.allocOnStack(30);call #t~string105.base, #t~string105.offset := #Ultimate.allocOnStack(9);call #t~string106.base, #t~string106.offset := #Ultimate.allocOnStack(25);call #t~string107.base, #t~string107.offset := #Ultimate.allocOnStack(30);call #t~string108.base, #t~string108.offset := #Ultimate.allocOnStack(9);call #t~string109.base, #t~string109.offset := #Ultimate.allocOnStack(25);call #t~string114.base, #t~string114.offset := #Ultimate.allocOnStack(10);call #t~string117.base, #t~string117.offset := #Ultimate.allocOnStack(12);call #t~string120.base, #t~string120.offset := #Ultimate.allocOnStack(10);call #t~string123.base, #t~string123.offset := #Ultimate.allocOnStack(18);call #t~string126.base, #t~string126.offset := #Ultimate.allocOnStack(13);call #t~string129.base, #t~string129.offset := #Ultimate.allocOnStack(16);call #t~string132.base, #t~string132.offset := #Ultimate.allocOnStack(25); 241#L-1true havoc main_#res;havoc main_#t~nondet58, main_#t~ret59, main_~retValue_acc~17, main_~tmp~12;main_~retValue_acc~17 := main_#t~nondet58;havoc main_#t~nondet58;havoc main_~tmp~12; 941#L1439true havoc valid_product_#res;havoc valid_product_~retValue_acc~19;havoc valid_product_~retValue_acc~19;valid_product_~retValue_acc~19 := 1;valid_product_#res := valid_product_~retValue_acc~19; 594#L1447true main_#t~ret59 := valid_product_#res;main_~tmp~12 := main_#t~ret59;havoc main_#t~ret59; 94#L1260true assume 0 != main_~tmp~12;havoc setup_#t~nondet53, setup_#t~nondet55, setup_#t~nondet57, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~2.base, setup_~__cil_tmp3~2.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~2.base, setup_~__cil_tmp3~2.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setup_bob__wrappee__Base_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__wrappee__Base_~bob___0;setup_bob__wrappee__Base_~bob___0 := setup_bob__wrappee__Base_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__wrappee__Base_~bob___0, setup_bob__wrappee__Base_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 883#L2495true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 596#L2501-2true setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_bob_~bob___0, 123;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 654#L2060true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 367#L2066-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string52.base, #t~string52.offset;havoc setup_#t~nondet53;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0;setup_rjh__wrappee__Base_#in~rjh___0 := setup_rjh_~rjh___0;havoc setup_rjh__wrappee__Base_~rjh___0;setup_rjh__wrappee__Base_~rjh___0 := setup_rjh__wrappee__Base_#in~rjh___0;setClientId_#in~handle, setClientId_#in~value := setup_rjh__wrappee__Base_~rjh___0, setup_rjh__wrappee__Base_~rjh___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 872#L2495-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 608#L2501-5true setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_rjh_~rjh___0, 456;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 656#L2060-2true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 349#L2066-5true setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string54.base, #t~string54.offset;havoc setup_#t~nondet55;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0;setup_chuck__wrappee__Base_#in~chuck___0 := setup_chuck_~chuck___0;havoc setup_chuck__wrappee__Base_~chuck___0;setup_chuck__wrappee__Base_~chuck___0 := setup_chuck__wrappee__Base_#in~chuck___0;setClientId_#in~handle, setClientId_#in~value := setup_chuck__wrappee__Base_~chuck___0, setup_chuck__wrappee__Base_~chuck___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 873#L2495-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 736#L2501-8true setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_chuck_~chuck___0, 789;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 638#L2060-4true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 353#L2066-8true setup_~__cil_tmp3~2.base, setup_~__cil_tmp3~2.offset := #t~string56.base, #t~string56.offset;havoc setup_#t~nondet57; 693#L1247true havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_#t~nondet4, test_#t~nondet5, test_#t~nondet6, test_#t~nondet7, test_#t~nondet8, test_#t~nondet9, test_#t~nondet10, test_~op1~0, test_~op2~0, test_~op3~0, test_~op4~0, test_~op5~0, test_~op6~0, test_~op7~0, test_~op8~0, test_~op9~0, test_~op10~0, test_~op11~0, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 231#L241-1true [2019-11-20 02:58:27,075 INFO L796 eck$LassoCheckResult]: Loop: 231#L241-1true assume !false; 209#L90true assume test_~splverifierCounter~0 < 4; 151#L91true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 790#L97true assume !(0 == test_~op1~0); 308#L110true assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet1;havoc test_#t~nondet1; 85#L115true assume 0 != test_~tmp___8~0;setClientAutoResponse_#in~handle, setClientAutoResponse_#in~value := ~rjh~0, 1;havoc setClientAutoResponse_~handle, setClientAutoResponse_~value;setClientAutoResponse_~handle := setClientAutoResponse_#in~handle;setClientAutoResponse_~value := setClientAutoResponse_#in~value; 780#L2013true assume 1 == setClientAutoResponse_~handle;~__ste_client_autoResponse0~0 := setClientAutoResponse_~value; 510#L2019-2true test_~op2~0 := 1; 231#L241-1true [2019-11-20 02:58:27,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:58:27,082 INFO L82 PathProgramCache]: Analyzing trace with hash 1291925977, now seen corresponding path program 1 times [2019-11-20 02:58:27,093 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:58:27,093 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661296414] [2019-11-20 02:58:27,093 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:58:27,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:58:27,507 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 02:58:27,508 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661296414] [2019-11-20 02:58:27,508 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 02:58:27,509 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 02:58:27,510 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978110594] [2019-11-20 02:58:27,514 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-20 02:58:27,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:58:27,515 INFO L82 PathProgramCache]: Analyzing trace with hash 527790547, now seen corresponding path program 1 times [2019-11-20 02:58:27,515 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:58:27,516 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994908810] [2019-11-20 02:58:27,516 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:58:27,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:58:27,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:58:27,572 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 02:58:27,677 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 02:58:27,678 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 02:58:27,679 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 02:58:27,679 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 02:58:27,679 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-20 02:58:27,679 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:58:27,680 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 02:58:27,680 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 02:58:27,680 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec7_product27.cil.c_Iteration1_Loop [2019-11-20 02:58:27,681 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 02:58:27,681 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 02:58:27,709 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 02:58:27,722 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 02:58:27,731 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 02:58:27,740 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 02:58:27,751 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 02:58:27,762 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 02:58:27,972 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 02:58:27,973 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_eefb81f5-45e3-4a93-8f22-18ddcd482010/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 02:58:27,987 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 02:58:27,988 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_eefb81f5-45e3-4a93-8f22-18ddcd482010/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) [2019-11-20 02:58:28,011 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-20 02:58:28,011 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:58:28,034 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-20 02:58:28,037 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 02:58:28,037 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 02:58:28,037 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 02:58:28,038 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 02:58:28,038 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 02:58:28,038 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:58:28,038 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 02:58:28,038 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 02:58:28,039 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec7_product27.cil.c_Iteration1_Loop [2019-11-20 02:58:28,039 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 02:58:28,039 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 02:58:28,041 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 02:58:28,053 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 02:58:28,068 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 02:58:28,085 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 02:58:28,155 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 02:58:28,172 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 02:58:28,343 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 02:58:28,349 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_eefb81f5-45e3-4a93-8f22-18ddcd482010/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 02:58:28,364 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 02:58:28,367 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:58:28,367 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:58:28,368 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:58:28,368 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-20 02:58:28,368 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:58:28,372 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 02:58:28,372 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:58:28,382 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_eefb81f5-45e3-4a93-8f22-18ddcd482010/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 02:58:28,406 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 02:58:28,408 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:58:28,409 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:58:28,409 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:58:28,409 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:58:28,409 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:58:28,411 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 02:58:28,411 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 02:58:28,414 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 02:58:28,421 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-20 02:58:28,421 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_eefb81f5-45e3-4a93-8f22-18ddcd482010/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) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:58:28,433 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-20 02:58:28,434 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-20 02:58:28,434 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 02:58:28,435 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 7 Supporting invariants [] [2019-11-20 02:58:28,444 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-11-20 02:58:28,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:58:28,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:58:28,816 INFO L255 TraceCheckSpWp]: Trace formula consists of 610 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 02:58:28,819 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 02:58:28,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:58:28,870 INFO L255 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-20 02:58:28,871 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 02:58:28,931 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 02:58:28,950 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 02:58:28,952 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 940 states. Second operand 5 states. [2019-11-20 02:58:29,248 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 940 states.. Second operand 5 states. Result 2507 states and 4256 transitions. Complement of second has 7 states. [2019-11-20 02:58:29,249 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-20 02:58:29,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-11-20 02:58:29,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2698 transitions. [2019-11-20 02:58:29,258 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 2698 transitions. Stem has 18 letters. Loop has 8 letters. [2019-11-20 02:58:29,260 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 02:58:29,260 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 2698 transitions. Stem has 26 letters. Loop has 8 letters. [2019-11-20 02:58:29,261 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 02:58:29,261 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 2698 transitions. Stem has 18 letters. Loop has 16 letters. [2019-11-20 02:58:29,263 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 02:58:29,264 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2507 states and 4256 transitions. [2019-11-20 02:58:29,302 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 02:58:29,305 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2507 states to 0 states and 0 transitions. [2019-11-20 02:58:29,307 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-20 02:58:29,307 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-20 02:58:29,308 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-20 02:58:29,308 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 02:58:29,308 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 02:58:29,308 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 02:58:29,309 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 02:58:29,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 02:58:29,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 02:58:29,314 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2019-11-20 02:58:29,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 02:58:29,318 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2019-11-20 02:58:29,318 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-20 02:58:29,319 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2019-11-20 02:58:29,319 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 02:58:29,319 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2019-11-20 02:58:29,320 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-20 02:58:29,320 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-20 02:58:29,320 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-20 02:58:29,320 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 02:58:29,320 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 02:58:29,320 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 02:58:29,321 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 02:58:29,321 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-20 02:58:29,321 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-20 02:58:29,321 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 02:58:29,321 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-20 02:58:29,329 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 02:58:29 BoogieIcfgContainer [2019-11-20 02:58:29,329 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-20 02:58:29,331 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 02:58:29,331 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 02:58:29,331 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 02:58:29,332 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:58:26" (3/4) ... [2019-11-20 02:58:29,336 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-20 02:58:29,336 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 02:58:29,339 INFO L168 Benchmark]: Toolchain (without parser) took 8123.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 209.2 MB). Free memory was 940.6 MB in the beginning and 1.0 GB in the end (delta: -107.4 MB). Peak memory consumption was 101.8 MB. Max. memory is 11.5 GB. [2019-11-20 02:58:29,340 INFO L168 Benchmark]: CDTParser took 0.24 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 02:58:29,342 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1085.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -149.5 MB). Peak memory consumption was 30.1 MB. Max. memory is 11.5 GB. [2019-11-20 02:58:29,342 INFO L168 Benchmark]: Boogie Procedure Inliner took 239.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2019-11-20 02:58:29,344 INFO L168 Benchmark]: Boogie Preprocessor took 216.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2019-11-20 02:58:29,345 INFO L168 Benchmark]: RCFGBuilder took 4055.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 945.2 MB in the end (delta: 112.7 MB). Peak memory consumption was 196.7 MB. Max. memory is 11.5 GB. [2019-11-20 02:58:29,346 INFO L168 Benchmark]: BuchiAutomizer took 2512.60 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 63.4 MB). Free memory was 945.2 MB in the beginning and 1.0 GB in the end (delta: -102.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 02:58:29,351 INFO L168 Benchmark]: Witness Printer took 5.88 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 02:58:29,359 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 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 1085.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -149.5 MB). Peak memory consumption was 30.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 239.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 216.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 4055.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 945.2 MB in the end (delta: 112.7 MB). Peak memory consumption was 196.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 2512.60 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 63.4 MB). Free memory was 945.2 MB in the beginning and 1.0 GB in the end (delta: -102.8 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 5.88 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (1 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * splverifierCounter + 7 and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.8s. Highest rank in rank-based complementation 3. Minimization of det autom 2. 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: 1603 SDtfs, 1603 SDslu, 3102 SDs, 0 SdLazy, 6 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital45 mio100 ax100 hnf100 lsp24 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq209 hnf86 smp100 dnf120 smp100 tf108 neg92 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 32ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 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...