./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/email_spec3_product23.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_f3de2e1b-c74d-4c25-aae3-22cd57716c14/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f3de2e1b-c74d-4c25-aae3-22cd57716c14/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f3de2e1b-c74d-4c25-aae3-22cd57716c14/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f3de2e1b-c74d-4c25-aae3-22cd57716c14/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/email_spec3_product23.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f3de2e1b-c74d-4c25-aae3-22cd57716c14/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f3de2e1b-c74d-4c25-aae3-22cd57716c14/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 6e305f736b485a5b7a661bce220b702341aceca0 ................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 08:59:31,079 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:59:31,081 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:59:31,091 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:59:31,092 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:59:31,093 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:59:31,095 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:59:31,096 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:59:31,098 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:59:31,101 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:59:31,102 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:59:31,105 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:59:31,110 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:59:31,111 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:59:31,111 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:59:31,112 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:59:31,113 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:59:31,113 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:59:31,117 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:59:31,119 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:59:31,123 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:59:31,126 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:59:31,128 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:59:31,130 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:59:31,131 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:59:31,131 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:59:31,131 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:59:31,132 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:59:31,132 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:59:31,133 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:59:31,133 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:59:31,135 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:59:31,136 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:59:31,136 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:59:31,137 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:59:31,138 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:59:31,139 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:59:31,139 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:59:31,139 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:59:31,140 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:59:31,141 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:59:31,142 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f3de2e1b-c74d-4c25-aae3-22cd57716c14/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-10-22 08:59:31,162 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:59:31,163 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:59:31,163 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:59:31,164 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:59:31,164 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:59:31,164 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-10-22 08:59:31,164 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-10-22 08:59:31,164 INFO L138 SettingsManager]: * Use old map elimination=false [2019-10-22 08:59:31,164 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-10-22 08:59:31,165 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-10-22 08:59:31,165 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-10-22 08:59:31,165 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:59:31,165 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 08:59:31,167 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 08:59:31,167 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 08:59:31,167 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 08:59:31,167 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:59:31,167 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-10-22 08:59:31,167 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-10-22 08:59:31,168 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-10-22 08:59:31,168 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 08:59:31,168 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 08:59:31,168 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-10-22 08:59:31,168 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:59:31,168 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-10-22 08:59:31,169 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:59:31,169 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:59:31,169 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-10-22 08:59:31,169 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:59:31,169 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 08:59:31,169 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-10-22 08:59:31,170 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-10-22 08:59:31,170 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/working_dir_f3de2e1b-c74d-4c25-aae3-22cd57716c14/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 -> 6e305f736b485a5b7a661bce220b702341aceca0 [2019-10-22 08:59:31,197 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:59:31,206 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:59:31,209 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:59:31,210 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:59:31,210 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:59:31,211 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f3de2e1b-c74d-4c25-aae3-22cd57716c14/bin/uautomizer/../../sv-benchmarks/c/product-lines/email_spec3_product23.cil.c [2019-10-22 08:59:31,255 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f3de2e1b-c74d-4c25-aae3-22cd57716c14/bin/uautomizer/data/78253d893/6272c5e375d442ff9462c55a3960807c/FLAGf95cbd1ba [2019-10-22 08:59:31,786 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:59:31,787 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f3de2e1b-c74d-4c25-aae3-22cd57716c14/sv-benchmarks/c/product-lines/email_spec3_product23.cil.c [2019-10-22 08:59:31,803 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f3de2e1b-c74d-4c25-aae3-22cd57716c14/bin/uautomizer/data/78253d893/6272c5e375d442ff9462c55a3960807c/FLAGf95cbd1ba [2019-10-22 08:59:32,281 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f3de2e1b-c74d-4c25-aae3-22cd57716c14/bin/uautomizer/data/78253d893/6272c5e375d442ff9462c55a3960807c [2019-10-22 08:59:32,284 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:59:32,285 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 08:59:32,286 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:59:32,286 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:59:32,289 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:59:32,290 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:59:32" (1/1) ... [2019-10-22 08:59:32,292 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@630b61e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:32, skipping insertion in model container [2019-10-22 08:59:32,293 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:59:32" (1/1) ... [2019-10-22 08:59:32,302 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:59:32,365 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:59:32,933 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:59:32,948 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:59:33,100 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:59:33,170 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:59:33,171 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:33 WrapperNode [2019-10-22 08:59:33,171 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:59:33,172 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 08:59:33,172 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 08:59:33,172 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 08:59:33,179 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:33" (1/1) ... [2019-10-22 08:59:33,210 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:33" (1/1) ... [2019-10-22 08:59:33,318 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 08:59:33,319 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:59:33,319 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:59:33,319 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:59:33,328 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:33" (1/1) ... [2019-10-22 08:59:33,328 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:33" (1/1) ... [2019-10-22 08:59:33,339 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:33" (1/1) ... [2019-10-22 08:59:33,340 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:33" (1/1) ... [2019-10-22 08:59:33,388 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:33" (1/1) ... [2019-10-22 08:59:33,415 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:33" (1/1) ... [2019-10-22 08:59:33,423 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:33" (1/1) ... [2019-10-22 08:59:33,440 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:59:33,441 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:59:33,441 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:59:33,441 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:59:33,442 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f3de2e1b-c74d-4c25-aae3-22cd57716c14/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 [2019-10-22 08:59:33,498 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-22 08:59:33,498 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 08:59:33,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 08:59:33,499 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:59:33,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:59:35,884 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:59:35,884 INFO L284 CfgBuilder]: Removed 573 assume(true) statements. [2019-10-22 08:59:35,886 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:59:35 BoogieIcfgContainer [2019-10-22 08:59:35,886 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:59:35,886 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-10-22 08:59:35,887 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-10-22 08:59:35,889 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-10-22 08:59:35,890 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:59:35,894 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.10 08:59:32" (1/3) ... [2019-10-22 08:59:35,895 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2b0f05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 08:59:35, skipping insertion in model container [2019-10-22 08:59:35,895 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:59:35,895 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:33" (2/3) ... [2019-10-22 08:59:35,895 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2b0f05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 08:59:35, skipping insertion in model container [2019-10-22 08:59:35,895 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:59:35,895 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:59:35" (3/3) ... [2019-10-22 08:59:35,897 INFO L371 chiAutomizerObserver]: Analyzing ICFG email_spec3_product23.cil.c [2019-10-22 08:59:35,934 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-10-22 08:59:35,935 INFO L357 BuchiCegarLoop]: Hoare is false [2019-10-22 08:59:35,935 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-10-22 08:59:35,935 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:59:35,935 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:59:35,935 INFO L361 BuchiCegarLoop]: Difference is false [2019-10-22 08:59:35,935 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:59:35,935 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-10-22 08:59:35,964 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 900 states. [2019-10-22 08:59:36,021 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 255 [2019-10-22 08:59:36,022 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 08:59:36,022 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 08:59:36,030 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:59:36,031 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:59:36,031 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-10-22 08:59:36,031 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 900 states. [2019-10-22 08:59:36,048 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 255 [2019-10-22 08:59:36,049 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 08:59:36,049 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 08:59:36,050 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:59:36,050 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:59:36,056 INFO L791 eck$LassoCheckResult]: Stem: 307#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~__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;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(44);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(44);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(9);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(9);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(11);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(19);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string18.base, #t~string18.offset, 1);call write~init~int(100, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(10, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string21.base, #t~string21.offset, 1);call write~init~int(100, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(10, #t~string21.base, 2 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 3 + #t~string21.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(21);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(21);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(25);~__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;call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string74.base, #t~string74.offset, 1);call write~init~int(115, #t~string74.base, 1 + #t~string74.offset, 1);call write~init~int(10, #t~string74.base, 2 + #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 3 + #t~string74.offset, 1);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(10);call #t~string81.base, #t~string81.offset := #Ultimate.allocOnStack(12);call #t~string84.base, #t~string84.offset := #Ultimate.allocOnStack(10);call #t~string87.base, #t~string87.offset := #Ultimate.allocOnStack(18);call #t~string90.base, #t~string90.offset := #Ultimate.allocOnStack(13);call #t~string93.base, #t~string93.offset := #Ultimate.allocOnStack(16);call #t~string96.base, #t~string96.offset := #Ultimate.allocOnStack(25);~sent_signed~0 := -1;call #t~string98.base, #t~string98.offset := #Ultimate.allocOnStack(13);call #t~string101.base, #t~string101.offset := #Ultimate.allocOnStack(16);call #t~string103.base, #t~string103.offset := #Ultimate.allocOnStack(15);call #t~string105.base, #t~string105.offset := #Ultimate.allocOnStack(16);~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;call #t~string111.base, #t~string111.offset := #Ultimate.allocOnStack(10);call #t~string116.base, #t~string116.offset := #Ultimate.allocOnStack(34);call #t~string119.base, #t~string119.offset := #Ultimate.allocOnStack(30);call #t~string123.base, #t~string123.offset := #Ultimate.allocOnStack(16);call #t~string128.base, #t~string128.offset := #Ultimate.allocOnStack(20);call #t~string130.base, #t~string130.offset := #Ultimate.allocOnStack(22);~__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; 249#L-1true havoc main_#res;havoc main_#t~ret13, main_~retValue_acc~0, main_~tmp~1;havoc main_~retValue_acc~0;havoc main_~tmp~1; 830#L1416true havoc valid_product_#res;havoc valid_product_~retValue_acc~17;havoc valid_product_~retValue_acc~17;valid_product_~retValue_acc~17 := 1;valid_product_#res := valid_product_~retValue_acc~17; 446#L1424true main_#t~ret13 := valid_product_#res;main_~tmp~1 := main_#t~ret13;havoc main_#t~ret13; 22#L224true assume 0 != main_~tmp~1;havoc setup_#t~nondet8, setup_#t~nondet10, setup_#t~nondet12, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.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_tmp3~0.base, setup_~__cil_tmp3~0.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; 344#L2972true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 96#L2978-2true 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; 106#L2537true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 758#L2543-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string7.base, #t~string7.offset;havoc setup_#t~nondet8;~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; 345#L2972-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 85#L2978-5true 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; 107#L2537-2true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 764#L2543-5true setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string9.base, #t~string9.offset;havoc setup_#t~nondet10;~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; 339#L2972-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 89#L2978-8true 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; 110#L2537-4true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 749#L2543-8true setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset := #t~string11.base, #t~string11.offset;havoc setup_#t~nondet12; 659#L211true havoc test_#t~nondet28, test_#t~nondet29, test_#t~nondet30, test_#t~nondet31, test_#t~nondet32, test_#t~nondet33, test_#t~nondet34, test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, 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~3, test_~tmp___0~2, test_~tmp___1~1, 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~3;havoc test_~tmp___0~2;havoc test_~tmp___1~1;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; 851#L559-1true [2019-10-22 08:59:36,056 INFO L793 eck$LassoCheckResult]: Loop: 851#L559-1true assume !false; 445#L411true assume test_~splverifierCounter~0 < 4; 538#L412true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 315#L418true assume !(0 == test_~op1~0); 559#L431true assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet29;havoc test_#t~nondet29; 358#L436true 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; 128#L2490true assume 1 == setClientAutoResponse_~handle;~__ste_client_autoResponse0~0 := setClientAutoResponse_~value; 868#L2496-2true test_~op2~0 := 1; 851#L559-1true [2019-10-22 08:59:36,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:59:36,062 INFO L82 PathProgramCache]: Analyzing trace with hash 1291925977, now seen corresponding path program 1 times [2019-10-22 08:59:36,070 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:59:36,070 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860071975] [2019-10-22 08:59:36,070 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:36,070 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:36,071 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:59:36,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:59:36,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:59:36,319 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [860071975] [2019-10-22 08:59:36,319 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:59:36,320 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 08:59:36,320 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479482412] [2019-10-22 08:59:36,324 INFO L796 eck$LassoCheckResult]: stem already infeasible [2019-10-22 08:59:36,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:59:36,325 INFO L82 PathProgramCache]: Analyzing trace with hash 527790547, now seen corresponding path program 1 times [2019-10-22 08:59:36,325 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:59:36,325 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932527759] [2019-10-22 08:59:36,325 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:36,325 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:36,326 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:59:36,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:59:36,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:59:36,376 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:59:36,452 INFO L210 LassoAnalysis]: Preferences: [2019-10-22 08:59:36,452 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-10-22 08:59:36,452 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-10-22 08:59:36,453 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-10-22 08:59:36,453 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-10-22 08:59:36,453 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:59:36,453 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-10-22 08:59:36,453 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-10-22 08:59:36,454 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec3_product23.cil.c_Iteration1_Loop [2019-10-22 08:59:36,455 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-10-22 08:59:36,455 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-10-22 08:59:36,477 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:59:36,487 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:59:36,495 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:59:36,501 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:59:36,509 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:59:36,517 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:59:36,637 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-10-22 08:59:36,638 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f3de2e1b-c74d-4c25-aae3-22cd57716c14/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) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:59:36,651 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 08:59:36,651 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-10-22 08:59:36,663 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-10-22 08:59:36,663 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_#t~nondet29=2, ULTIMATE.start_test_~tmp___8~0=2} Honda state: {ULTIMATE.start_test_#t~nondet29=2, ULTIMATE.start_test_~tmp___8~0=2} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f3de2e1b-c74d-4c25-aae3-22cd57716c14/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 [2019-10-22 08:59:36,714 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 08:59:36,714 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f3de2e1b-c74d-4c25-aae3-22cd57716c14/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) [2019-10-22 08:59:36,734 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-10-22 08:59:36,734 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:59:36,741 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-10-22 08:59:36,743 INFO L210 LassoAnalysis]: Preferences: [2019-10-22 08:59:36,743 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-10-22 08:59:36,744 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-10-22 08:59:36,744 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-10-22 08:59:36,744 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-10-22 08:59:36,744 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:59:36,744 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-10-22 08:59:36,744 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-10-22 08:59:36,744 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec3_product23.cil.c_Iteration1_Loop [2019-10-22 08:59:36,744 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-10-22 08:59:36,744 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-10-22 08:59:36,745 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:59:36,813 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:59:36,819 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:59:36,827 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:59:36,835 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:59:36,841 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:59:36,952 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-10-22 08:59:36,956 INFO L489 LassoAnalysis]: Using template 'affine'. [2019-10-22 08:59:36,958 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 [2019-10-22 08:59:36,959 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:59:36,959 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:59:36,960 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:59:36,960 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:59:36,960 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:59:36,962 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:59:36,962 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:59:36,969 INFO L419 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-10-22 08:59:36,972 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-10-22 08:59:36,972 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2019-10-22 08:59:36,974 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-10-22 08:59:36,974 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-10-22 08:59:36,975 INFO L510 LassoAnalysis]: Proved termination. [2019-10-22 08:59:36,976 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 7 Supporting invariants [] [2019-10-22 08:59:36,978 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-10-22 08:59:36,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:59:37,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:59:37,125 INFO L256 TraceCheckSpWp]: Trace formula consists of 628 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 08:59:37,128 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:59:37,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:59:37,157 INFO L256 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-22 08:59:37,157 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:59:37,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:59:37,203 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 [2019-10-22 08:59:37,204 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 900 states. Second operand 5 states. [2019-10-22 08:59:37,395 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 900 states.. Second operand 5 states. Result 2391 states and 4146 transitions. Complement of second has 7 states. [2019-10-22 08:59:37,399 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 [2019-10-22 08:59:37,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-10-22 08:59:37,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2631 transitions. [2019-10-22 08:59:37,408 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 2631 transitions. Stem has 18 letters. Loop has 8 letters. [2019-10-22 08:59:37,409 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 08:59:37,410 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 2631 transitions. Stem has 26 letters. Loop has 8 letters. [2019-10-22 08:59:37,410 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 08:59:37,410 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 2631 transitions. Stem has 18 letters. Loop has 16 letters. [2019-10-22 08:59:37,411 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 08:59:37,412 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2391 states and 4146 transitions. [2019-10-22 08:59:37,439 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-10-22 08:59:37,442 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2391 states to 0 states and 0 transitions. [2019-10-22 08:59:37,444 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-10-22 08:59:37,444 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-10-22 08:59:37,444 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-10-22 08:59:37,445 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-10-22 08:59:37,445 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:59:37,445 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:59:37,445 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:59:37,448 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:59:37,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:59:37,450 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2019-10-22 08:59:37,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:59:37,453 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2019-10-22 08:59:37,453 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 08:59:37,454 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2019-10-22 08:59:37,454 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-10-22 08:59:37,454 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 08:59:37,455 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-10-22 08:59:37,455 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-10-22 08:59:37,455 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-10-22 08:59:37,455 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-10-22 08:59:37,455 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:59:37,455 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:59:37,455 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:59:37,455 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-10-22 08:59:37,456 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-10-22 08:59:37,456 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-10-22 08:59:37,456 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-10-22 08:59:37,462 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.10 08:59:37 BoogieIcfgContainer [2019-10-22 08:59:37,462 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-10-22 08:59:37,463 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 08:59:37,463 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 08:59:37,463 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 08:59:37,464 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:59:35" (3/4) ... [2019-10-22 08:59:37,467 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-10-22 08:59:37,467 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 08:59:37,469 INFO L168 Benchmark]: Toolchain (without parser) took 5183.63 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 265.8 MB). Free memory was 939.1 MB in the beginning and 908.3 MB in the end (delta: 30.8 MB). Peak memory consumption was 296.6 MB. Max. memory is 11.5 GB. [2019-10-22 08:59:37,470 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:59:37,470 INFO L168 Benchmark]: CACSL2BoogieTranslator took 885.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 171.4 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -176.2 MB). Peak memory consumption was 29.8 MB. Max. memory is 11.5 GB. [2019-10-22 08:59:37,471 INFO L168 Benchmark]: Boogie Procedure Inliner took 146.82 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: 19.5 MB). Peak memory consumption was 19.5 MB. Max. memory is 11.5 GB. [2019-10-22 08:59:37,471 INFO L168 Benchmark]: Boogie Preprocessor took 121.58 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: 13.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. [2019-10-22 08:59:37,472 INFO L168 Benchmark]: RCFGBuilder took 2445.56 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 94.4 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -36.4 MB). Peak memory consumption was 253.2 MB. Max. memory is 11.5 GB. [2019-10-22 08:59:37,472 INFO L168 Benchmark]: BuchiAutomizer took 1576.02 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 908.3 MB in the end (delta: 210.8 MB). Peak memory consumption was 210.8 MB. Max. memory is 11.5 GB. [2019-10-22 08:59:37,473 INFO L168 Benchmark]: Witness Printer took 4.51 ms. Allocated memory is still 1.3 GB. Free memory is still 908.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:59:37,476 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 885.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 171.4 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -176.2 MB). Peak memory consumption was 29.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 146.82 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: 19.5 MB). Peak memory consumption was 19.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 121.58 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: 13.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2445.56 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 94.4 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -36.4 MB). Peak memory consumption was 253.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1576.02 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 908.3 MB in the end (delta: 210.8 MB). Peak memory consumption was 210.8 MB. Max. memory is 11.5 GB. * Witness Printer took 4.51 ms. Allocated memory is still 1.3 GB. Free memory is still 908.3 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 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 1.5s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. 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: 1560 SDtfs, 1561 SDslu, 3016 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: sat Degree: 0 Time: 17ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 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...