./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/email_spec0_product26.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_e89208f4-4f97-41e4-a53b-547df9ecd91d/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e89208f4-4f97-41e4-a53b-547df9ecd91d/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e89208f4-4f97-41e4-a53b-547df9ecd91d/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e89208f4-4f97-41e4-a53b-547df9ecd91d/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/email_spec0_product26.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_e89208f4-4f97-41e4-a53b-547df9ecd91d/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e89208f4-4f97-41e4-a53b-547df9ecd91d/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 c761064ba2ff9d5952cb19bc417b5265eb6de680 ............................................................................................................................................................................................................................................................................................................................................................................ 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 09:03:04,317 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 09:03:04,318 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 09:03:04,335 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 09:03:04,335 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 09:03:04,336 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 09:03:04,337 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 09:03:04,338 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 09:03:04,340 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 09:03:04,341 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 09:03:04,342 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 09:03:04,342 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 09:03:04,343 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 09:03:04,343 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 09:03:04,344 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 09:03:04,345 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 09:03:04,345 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 09:03:04,354 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 09:03:04,355 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 09:03:04,356 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 09:03:04,357 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 09:03:04,358 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 09:03:04,359 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 09:03:04,359 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 09:03:04,361 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 09:03:04,361 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 09:03:04,361 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 09:03:04,362 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 09:03:04,362 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 09:03:04,363 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 09:03:04,363 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 09:03:04,364 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 09:03:04,364 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 09:03:04,365 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 09:03:04,365 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 09:03:04,366 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 09:03:04,368 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 09:03:04,368 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 09:03:04,368 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 09:03:04,369 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 09:03:04,369 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 09:03:04,370 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e89208f4-4f97-41e4-a53b-547df9ecd91d/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-10-22 09:03:04,389 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 09:03:04,393 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 09:03:04,394 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 09:03:04,394 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 09:03:04,395 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 09:03:04,395 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-10-22 09:03:04,395 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-10-22 09:03:04,395 INFO L138 SettingsManager]: * Use old map elimination=false [2019-10-22 09:03:04,395 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-10-22 09:03:04,395 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-10-22 09:03:04,396 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-10-22 09:03:04,396 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 09:03:04,396 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 09:03:04,396 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 09:03:04,396 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 09:03:04,396 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 09:03:04,397 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 09:03:04,397 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-10-22 09:03:04,397 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-10-22 09:03:04,397 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-10-22 09:03:04,397 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 09:03:04,397 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 09:03:04,397 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-10-22 09:03:04,398 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 09:03:04,398 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-10-22 09:03:04,398 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 09:03:04,398 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 09:03:04,398 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-10-22 09:03:04,398 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 09:03:04,399 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 09:03:04,399 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-10-22 09:03:04,399 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-10-22 09:03:04,400 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_e89208f4-4f97-41e4-a53b-547df9ecd91d/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 -> c761064ba2ff9d5952cb19bc417b5265eb6de680 [2019-10-22 09:03:04,435 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 09:03:04,455 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 09:03:04,460 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 09:03:04,462 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 09:03:04,462 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 09:03:04,463 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e89208f4-4f97-41e4-a53b-547df9ecd91d/bin/uautomizer/../../sv-benchmarks/c/product-lines/email_spec0_product26.cil.c [2019-10-22 09:03:04,504 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e89208f4-4f97-41e4-a53b-547df9ecd91d/bin/uautomizer/data/a84f58858/2bed1f57314940bbbe57f56f5135f488/FLAG83753b824 [2019-10-22 09:03:05,034 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 09:03:05,037 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e89208f4-4f97-41e4-a53b-547df9ecd91d/sv-benchmarks/c/product-lines/email_spec0_product26.cil.c [2019-10-22 09:03:05,051 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e89208f4-4f97-41e4-a53b-547df9ecd91d/bin/uautomizer/data/a84f58858/2bed1f57314940bbbe57f56f5135f488/FLAG83753b824 [2019-10-22 09:03:05,303 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e89208f4-4f97-41e4-a53b-547df9ecd91d/bin/uautomizer/data/a84f58858/2bed1f57314940bbbe57f56f5135f488 [2019-10-22 09:03:05,305 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 09:03:05,306 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 09:03:05,307 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 09:03:05,307 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 09:03:05,310 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 09:03:05,310 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:03:05" (1/1) ... [2019-10-22 09:03:05,313 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@366fa569 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:03:05, skipping insertion in model container [2019-10-22 09:03:05,313 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:03:05" (1/1) ... [2019-10-22 09:03:05,319 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 09:03:05,385 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 09:03:05,876 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:03:05,892 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 09:03:06,025 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:03:06,110 INFO L192 MainTranslator]: Completed translation [2019-10-22 09:03:06,110 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:03:06 WrapperNode [2019-10-22 09:03:06,110 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 09:03:06,111 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 09:03:06,111 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 09:03:06,111 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 09:03:06,120 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:03:06" (1/1) ... [2019-10-22 09:03:06,151 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:03:06" (1/1) ... [2019-10-22 09:03:06,245 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 09:03:06,246 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 09:03:06,246 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 09:03:06,246 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 09:03:06,254 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:03:06" (1/1) ... [2019-10-22 09:03:06,255 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:03:06" (1/1) ... [2019-10-22 09:03:06,267 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:03:06" (1/1) ... [2019-10-22 09:03:06,267 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:03:06" (1/1) ... [2019-10-22 09:03:06,326 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:03:06" (1/1) ... [2019-10-22 09:03:06,360 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:03:06" (1/1) ... [2019-10-22 09:03:06,376 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:03:06" (1/1) ... [2019-10-22 09:03:06,393 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 09:03:06,394 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 09:03:06,395 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 09:03:06,395 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 09:03:06,396 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:03:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e89208f4-4f97-41e4-a53b-547df9ecd91d/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 09:03:06,459 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-22 09:03:06,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 09:03:06,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 09:03:06,460 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 09:03:06,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 09:03:08,832 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 09:03:08,832 INFO L284 CfgBuilder]: Removed 725 assume(true) statements. [2019-10-22 09:03:08,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:03:08 BoogieIcfgContainer [2019-10-22 09:03:08,834 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 09:03:08,837 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-10-22 09:03:08,837 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-10-22 09:03:08,840 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-10-22 09:03:08,841 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 09:03:08,841 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.10 09:03:05" (1/3) ... [2019-10-22 09:03:08,842 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@40ba3845 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 09:03:08, skipping insertion in model container [2019-10-22 09:03:08,842 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 09:03:08,842 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:03:06" (2/3) ... [2019-10-22 09:03:08,842 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@40ba3845 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 09:03:08, skipping insertion in model container [2019-10-22 09:03:08,842 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 09:03:08,843 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:03:08" (3/3) ... [2019-10-22 09:03:08,847 INFO L371 chiAutomizerObserver]: Analyzing ICFG email_spec0_product26.cil.c [2019-10-22 09:03:08,894 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-10-22 09:03:08,894 INFO L357 BuchiCegarLoop]: Hoare is false [2019-10-22 09:03:08,894 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-10-22 09:03:08,894 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 09:03:08,894 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 09:03:08,894 INFO L361 BuchiCegarLoop]: Difference is false [2019-10-22 09:03:08,895 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 09:03:08,895 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-10-22 09:03:08,934 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1020 states. [2019-10-22 09:03:09,017 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 259 [2019-10-22 09:03:09,018 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 09:03:09,018 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 09:03:09,027 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 09:03:09,027 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:03:09,027 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-10-22 09:03:09,027 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1020 states. [2019-10-22 09:03:09,040 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 259 [2019-10-22 09:03:09,040 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 09:03:09,040 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 09:03:09,050 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 09:03:09,050 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:03:09,055 INFO L791 eck$LassoCheckResult]: Stem: 405#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;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(10);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(34);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(30);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(16);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(20);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(22);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(21);~__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~string31.base, #t~string31.offset := #Ultimate.allocOnStack(44);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(44);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(9);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(9);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(11);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(19);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string49.base, #t~string49.offset, 1);call write~init~int(100, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(10, #t~string49.base, 2 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 3 + #t~string49.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string52.base, #t~string52.offset, 1);call write~init~int(100, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(10, #t~string52.base, 2 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 3 + #t~string52.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(10);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(12);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(10);call #t~string80.base, #t~string80.offset := #Ultimate.allocOnStack(18);call #t~string83.base, #t~string83.offset := #Ultimate.allocOnStack(16);call #t~string86.base, #t~string86.offset := #Ultimate.allocOnStack(21);~__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;call #t~string93.base, #t~string93.offset := #Ultimate.allocOnStack(16);~head~0.base, ~head~0.offset := 0, 0;call #t~string114.base, #t~string114.offset := #Ultimate.allocOnStack(30);call #t~string115.base, #t~string115.offset := #Ultimate.allocOnStack(9);call #t~string116.base, #t~string116.offset := #Ultimate.allocOnStack(21);call #t~string117.base, #t~string117.offset := #Ultimate.allocOnStack(30);call #t~string118.base, #t~string118.offset := #Ultimate.allocOnStack(9);call #t~string119.base, #t~string119.offset := #Ultimate.allocOnStack(21);call #t~string123.base, #t~string123.offset := #Ultimate.allocOnStack(30);call #t~string124.base, #t~string124.offset := #Ultimate.allocOnStack(9);call #t~string125.base, #t~string125.offset := #Ultimate.allocOnStack(25);call #t~string126.base, #t~string126.offset := #Ultimate.allocOnStack(30);call #t~string127.base, #t~string127.offset := #Ultimate.allocOnStack(9);call #t~string128.base, #t~string128.offset := #Ultimate.allocOnStack(25);call #t~string131.base, #t~string131.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string131.base, #t~string131.offset, 1);call write~init~int(115, #t~string131.base, 1 + #t~string131.offset, 1);call write~init~int(10, #t~string131.base, 2 + #t~string131.offset, 1);call write~init~int(0, #t~string131.base, 3 + #t~string131.offset, 1); 299#L-1true havoc main_#res;havoc main_#t~ret44, main_~retValue_acc~16, main_~tmp~11;havoc main_~retValue_acc~16;havoc main_~tmp~11; 637#L1490true havoc valid_product_#res;havoc valid_product_~retValue_acc~22;havoc valid_product_~retValue_acc~22;valid_product_~retValue_acc~22 := 1;valid_product_#res := valid_product_~retValue_acc~22; 197#L1498true main_#t~ret44 := valid_product_#res;main_~tmp~11 := main_#t~ret44;havoc main_#t~ret44; 530#L986true assume 0 != main_~tmp~11;havoc setup_#t~nondet39, setup_#t~nondet41, setup_#t~nondet43, 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; 798#L2546true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 539#L2552-2true 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; 581#L2111true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 200#L2117-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string38.base, #t~string38.offset;havoc setup_#t~nondet39;~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; 802#L2546-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 349#L2552-5true 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; 573#L2111-2true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 216#L2117-5true setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string40.base, #t~string40.offset;havoc setup_#t~nondet41;~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; 789#L2546-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 362#L2552-8true 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; 574#L2111-4true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 20#L2117-8true setup_~__cil_tmp3~2.base, setup_~__cil_tmp3~2.offset := #t~string42.base, #t~string42.offset;havoc setup_#t~nondet43; 10#L973true havoc test_#t~nondet59, test_#t~nondet60, test_#t~nondet61, test_#t~nondet62, test_#t~nondet63, test_#t~nondet64, test_#t~nondet65, test_#t~nondet66, test_#t~nondet67, test_#t~nondet68, test_#t~nondet69, 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~13, test_~tmp___0~5, test_~tmp___1~3, test_~tmp___2~2, 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~13;havoc test_~tmp___0~5;havoc test_~tmp___1~3;havoc test_~tmp___2~2;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; 737#L1334-1true [2019-10-22 09:03:09,056 INFO L793 eck$LassoCheckResult]: Loop: 737#L1334-1true assume !false; 709#L1183true assume test_~splverifierCounter~0 < 4; 654#L1184true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 177#L1190true assume !(0 == test_~op1~0); 782#L1203true assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet60;havoc test_#t~nondet60; 579#L1208true 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; 694#L2064true assume 1 == setClientAutoResponse_~handle;~__ste_client_autoResponse0~0 := setClientAutoResponse_~value; 369#L2070-2true test_~op2~0 := 1; 737#L1334-1true [2019-10-22 09:03:09,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:03:09,062 INFO L82 PathProgramCache]: Analyzing trace with hash 1291925977, now seen corresponding path program 1 times [2019-10-22 09:03:09,069 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:03:09,070 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578530922] [2019-10-22 09:03:09,070 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:03:09,070 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:03:09,070 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:03:09,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:03:09,400 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 09:03:09,401 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578530922] [2019-10-22 09:03:09,402 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:03:09,403 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 09:03:09,403 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533928649] [2019-10-22 09:03:09,407 INFO L796 eck$LassoCheckResult]: stem already infeasible [2019-10-22 09:03:09,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:03:09,408 INFO L82 PathProgramCache]: Analyzing trace with hash 527790547, now seen corresponding path program 1 times [2019-10-22 09:03:09,408 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:03:09,408 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314729903] [2019-10-22 09:03:09,408 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:03:09,408 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:03:09,409 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:03:09,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:03:09,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:03:09,468 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 09:03:09,538 INFO L210 LassoAnalysis]: Preferences: [2019-10-22 09:03:09,539 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-10-22 09:03:09,539 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-10-22 09:03:09,539 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-10-22 09:03:09,539 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-10-22 09:03:09,540 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 09:03:09,540 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-10-22 09:03:09,540 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-10-22 09:03:09,540 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec0_product26.cil.c_Iteration1_Loop [2019-10-22 09:03:09,540 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-10-22 09:03:09,540 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-10-22 09:03:09,559 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 09:03:09,569 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 09:03:09,574 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 09:03:09,581 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 09:03:09,588 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 09:03:09,593 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 09:03:09,765 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-10-22 09:03:09,765 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e89208f4-4f97-41e4-a53b-547df9ecd91d/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 09:03:09,773 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 09:03:09,773 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e89208f4-4f97-41e4-a53b-547df9ecd91d/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) [2019-10-22 09:03:09,784 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-10-22 09:03:09,785 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 [2019-10-22 09:03:09,792 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-10-22 09:03:09,795 INFO L210 LassoAnalysis]: Preferences: [2019-10-22 09:03:09,795 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-10-22 09:03:09,795 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-10-22 09:03:09,795 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-10-22 09:03:09,795 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-10-22 09:03:09,795 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 09:03:09,795 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-10-22 09:03:09,796 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-10-22 09:03:09,796 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec0_product26.cil.c_Iteration1_Loop [2019-10-22 09:03:09,796 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-10-22 09:03:09,796 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-10-22 09:03:09,797 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 09:03:09,805 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 09:03:09,812 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 09:03:09,817 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 09:03:09,827 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 09:03:09,832 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 09:03:09,938 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-10-22 09:03:09,943 INFO L489 LassoAnalysis]: Using template 'affine'. [2019-10-22 09:03:09,945 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 09:03:09,946 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:03:09,946 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:03:09,947 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:03:09,947 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:03:09,947 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 09:03:09,949 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 09:03:09,949 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:03:09,961 INFO L419 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-10-22 09:03:09,965 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-10-22 09:03:09,965 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2019-10-22 09:03:09,969 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-10-22 09:03:09,969 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-10-22 09:03:09,969 INFO L510 LassoAnalysis]: Proved termination. [2019-10-22 09:03:09,970 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 09:03:09,972 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-10-22 09:03:09,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:03:10,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:03:10,142 INFO L256 TraceCheckSpWp]: Trace formula consists of 608 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 09:03:10,145 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 09:03:10,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:03:10,181 INFO L256 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-22 09:03:10,181 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 09:03:10,217 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 09:03:10,232 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 09:03:10,233 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1020 states. Second operand 5 states. [2019-10-22 09:03:10,465 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1020 states.. Second operand 5 states. Result 2747 states and 4682 transitions. Complement of second has 7 states. [2019-10-22 09:03:10,467 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 09:03:10,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-10-22 09:03:10,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2982 transitions. [2019-10-22 09:03:10,474 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 2982 transitions. Stem has 18 letters. Loop has 8 letters. [2019-10-22 09:03:10,475 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 09:03:10,476 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 2982 transitions. Stem has 26 letters. Loop has 8 letters. [2019-10-22 09:03:10,476 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 09:03:10,476 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 2982 transitions. Stem has 18 letters. Loop has 16 letters. [2019-10-22 09:03:10,477 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 09:03:10,478 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2747 states and 4682 transitions. [2019-10-22 09:03:10,506 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-10-22 09:03:10,509 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2747 states to 0 states and 0 transitions. [2019-10-22 09:03:10,510 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-10-22 09:03:10,510 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-10-22 09:03:10,511 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-10-22 09:03:10,511 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-10-22 09:03:10,511 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 09:03:10,511 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 09:03:10,512 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:03:10,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 09:03:10,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 09:03:10,517 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2019-10-22 09:03:10,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:03:10,519 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2019-10-22 09:03:10,519 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 09:03:10,520 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2019-10-22 09:03:10,520 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-10-22 09:03:10,520 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 09:03:10,521 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-10-22 09:03:10,521 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-10-22 09:03:10,521 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-10-22 09:03:10,521 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-10-22 09:03:10,521 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 09:03:10,521 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 09:03:10,521 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 09:03:10,521 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-10-22 09:03:10,521 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-10-22 09:03:10,521 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-10-22 09:03:10,522 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-10-22 09:03:10,527 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.10 09:03:10 BoogieIcfgContainer [2019-10-22 09:03:10,528 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-10-22 09:03:10,528 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 09:03:10,528 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 09:03:10,528 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 09:03:10,529 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:03:08" (3/4) ... [2019-10-22 09:03:10,532 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-10-22 09:03:10,533 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 09:03:10,535 INFO L168 Benchmark]: Toolchain (without parser) took 5228.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 216.5 MB). Free memory was 939.1 MB in the beginning and 1.0 GB in the end (delta: -94.1 MB). Peak memory consumption was 122.4 MB. Max. memory is 11.5 GB. [2019-10-22 09:03:10,536 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 962.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:03:10,537 INFO L168 Benchmark]: CACSL2BoogieTranslator took 803.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -151.0 MB). Peak memory consumption was 29.7 MB. Max. memory is 11.5 GB. [2019-10-22 09:03:10,539 INFO L168 Benchmark]: Boogie Procedure Inliner took 134.50 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: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2019-10-22 09:03:10,539 INFO L168 Benchmark]: Boogie Preprocessor took 148.47 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-10-22 09:03:10,540 INFO L168 Benchmark]: RCFGBuilder took 2441.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 915.8 MB in the end (delta: 142.1 MB). Peak memory consumption was 197.7 MB. Max. memory is 11.5 GB. [2019-10-22 09:03:10,541 INFO L168 Benchmark]: BuchiAutomizer took 1691.07 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 70.8 MB). Free memory was 915.8 MB in the beginning and 1.0 GB in the end (delta: -117.5 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:03:10,542 INFO L168 Benchmark]: Witness Printer took 4.83 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. [2019-10-22 09:03:10,545 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 962.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 803.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -151.0 MB). Peak memory consumption was 29.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 134.50 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: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 148.47 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2441.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 915.8 MB in the end (delta: 142.1 MB). Peak memory consumption was 197.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1691.07 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 70.8 MB). Free memory was 915.8 MB in the beginning and 1.0 GB in the end (delta: -117.5 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 4.83 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 1.6s 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: 1745 SDtfs, 1745 SDslu, 3386 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: 25ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...