./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/email_spec9_product21.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_c7f4a9d8-7959-41f8-b2de-f3f7e93775df/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c7f4a9d8-7959-41f8-b2de-f3f7e93775df/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c7f4a9d8-7959-41f8-b2de-f3f7e93775df/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c7f4a9d8-7959-41f8-b2de-f3f7e93775df/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/email_spec9_product21.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_c7f4a9d8-7959-41f8-b2de-f3f7e93775df/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c7f4a9d8-7959-41f8-b2de-f3f7e93775df/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 5ed95a21121e5fb6e579c1ae849038595d091977 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 08:55:35,308 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:55:35,309 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:55:35,318 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:55:35,318 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:55:35,319 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:55:35,320 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:55:35,321 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:55:35,323 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:55:35,323 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:55:35,324 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:55:35,325 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:55:35,325 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:55:35,326 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:55:35,327 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:55:35,327 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:55:35,328 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:55:35,329 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:55:35,330 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:55:35,331 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:55:35,332 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:55:35,333 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:55:35,334 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:55:35,334 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:55:35,336 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:55:35,336 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:55:35,336 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:55:35,337 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:55:35,337 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:55:35,338 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:55:35,338 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:55:35,339 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:55:35,339 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:55:35,340 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:55:35,340 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:55:35,341 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:55:35,341 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:55:35,341 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:55:35,341 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:55:35,342 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:55:35,343 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:55:35,343 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c7f4a9d8-7959-41f8-b2de-f3f7e93775df/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-10-22 08:55:35,357 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:55:35,357 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:55:35,358 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:55:35,359 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:55:35,359 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:55:35,359 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-10-22 08:55:35,359 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-10-22 08:55:35,359 INFO L138 SettingsManager]: * Use old map elimination=false [2019-10-22 08:55:35,359 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-10-22 08:55:35,360 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-10-22 08:55:35,360 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-10-22 08:55:35,360 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:55:35,360 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 08:55:35,360 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 08:55:35,361 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 08:55:35,361 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 08:55:35,361 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:55:35,361 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-10-22 08:55:35,361 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-10-22 08:55:35,361 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-10-22 08:55:35,362 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 08:55:35,362 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 08:55:35,362 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-10-22 08:55:35,362 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:55:35,362 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-10-22 08:55:35,362 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:55:35,363 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:55:35,363 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-10-22 08:55:35,363 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:55:35,363 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 08:55:35,363 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-10-22 08:55:35,364 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-10-22 08:55:35,364 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_c7f4a9d8-7959-41f8-b2de-f3f7e93775df/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 -> 5ed95a21121e5fb6e579c1ae849038595d091977 [2019-10-22 08:55:35,387 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:55:35,396 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:55:35,399 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:55:35,400 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:55:35,401 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:55:35,402 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c7f4a9d8-7959-41f8-b2de-f3f7e93775df/bin/uautomizer/../../sv-benchmarks/c/product-lines/email_spec9_product21.cil.c [2019-10-22 08:55:35,448 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c7f4a9d8-7959-41f8-b2de-f3f7e93775df/bin/uautomizer/data/79301c08f/b1088e2465404341923cdb96e9c94c88/FLAG55e3a8d2b [2019-10-22 08:55:35,954 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:55:35,954 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c7f4a9d8-7959-41f8-b2de-f3f7e93775df/sv-benchmarks/c/product-lines/email_spec9_product21.cil.c [2019-10-22 08:55:35,981 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c7f4a9d8-7959-41f8-b2de-f3f7e93775df/bin/uautomizer/data/79301c08f/b1088e2465404341923cdb96e9c94c88/FLAG55e3a8d2b [2019-10-22 08:55:36,421 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c7f4a9d8-7959-41f8-b2de-f3f7e93775df/bin/uautomizer/data/79301c08f/b1088e2465404341923cdb96e9c94c88 [2019-10-22 08:55:36,424 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:55:36,425 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 08:55:36,426 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:55:36,426 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:55:36,430 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:55:36,430 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:55:36" (1/1) ... [2019-10-22 08:55:36,433 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f0c4c28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:36, skipping insertion in model container [2019-10-22 08:55:36,433 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:55:36" (1/1) ... [2019-10-22 08:55:36,440 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:55:36,517 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:55:37,110 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:55:37,123 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:55:37,222 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:55:37,284 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:55:37,285 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:37 WrapperNode [2019-10-22 08:55:37,285 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:55:37,286 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 08:55:37,286 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 08:55:37,286 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 08:55:37,294 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:37" (1/1) ... [2019-10-22 08:55:37,316 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:37" (1/1) ... [2019-10-22 08:55:37,424 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 08:55:37,424 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:55:37,424 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:55:37,425 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:55:37,434 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:37" (1/1) ... [2019-10-22 08:55:37,434 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:37" (1/1) ... [2019-10-22 08:55:37,445 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:37" (1/1) ... [2019-10-22 08:55:37,445 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:37" (1/1) ... [2019-10-22 08:55:37,507 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:37" (1/1) ... [2019-10-22 08:55:37,539 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:37" (1/1) ... [2019-10-22 08:55:37,554 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:37" (1/1) ... [2019-10-22 08:55:37,572 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:55:37,572 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:55:37,573 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:55:37,573 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:55:37,574 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:37" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c7f4a9d8-7959-41f8-b2de-f3f7e93775df/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 08:55:37,641 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-22 08:55:37,642 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 08:55:37,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 08:55:37,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:55:37,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:55:40,034 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:55:40,034 INFO L284 CfgBuilder]: Removed 649 assume(true) statements. [2019-10-22 08:55:40,035 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:55:40 BoogieIcfgContainer [2019-10-22 08:55:40,036 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:55:40,036 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-10-22 08:55:40,036 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-10-22 08:55:40,040 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-10-22 08:55:40,041 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:55:40,045 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.10 08:55:36" (1/3) ... [2019-10-22 08:55:40,046 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5efc24ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 08:55:40, skipping insertion in model container [2019-10-22 08:55:40,046 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:55:40,046 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:37" (2/3) ... [2019-10-22 08:55:40,047 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5efc24ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 08:55:40, skipping insertion in model container [2019-10-22 08:55:40,047 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:55:40,047 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:55:40" (3/3) ... [2019-10-22 08:55:40,048 INFO L371 chiAutomizerObserver]: Analyzing ICFG email_spec9_product21.cil.c [2019-10-22 08:55:40,104 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-10-22 08:55:40,104 INFO L357 BuchiCegarLoop]: Hoare is false [2019-10-22 08:55:40,104 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-10-22 08:55:40,104 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:55:40,104 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:55:40,105 INFO L361 BuchiCegarLoop]: Difference is false [2019-10-22 08:55:40,105 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:55:40,105 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-10-22 08:55:40,132 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 956 states. [2019-10-22 08:55:40,183 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 255 [2019-10-22 08:55:40,183 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 08:55:40,184 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 08:55:40,192 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 08:55:40,192 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-10-22 08:55:40,192 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-10-22 08:55:40,192 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 956 states. [2019-10-22 08:55:40,203 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 255 [2019-10-22 08:55:40,203 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 08:55:40,203 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 08:55:40,205 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 08:55:40,205 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-10-22 08:55:40,210 INFO L791 eck$LassoCheckResult]: Stem: 304#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~string23.base, #t~string23.offset := #Ultimate.allocOnStack(20);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(10);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(12);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(10);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(18);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(16);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(21);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string48.base, #t~string48.offset, 1);call write~init~int(115, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(10, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 3 + #t~string48.offset, 1);~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~__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;~in_encrypted~0 := 0;call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(17);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(17);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(13);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(17);~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(44);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(44);call #t~string80.base, #t~string80.offset := #Ultimate.allocOnStack(9);call #t~string82.base, #t~string82.offset := #Ultimate.allocOnStack(9);call #t~string84.base, #t~string84.offset := #Ultimate.allocOnStack(11);call #t~string88.base, #t~string88.offset := #Ultimate.allocOnStack(19);call #t~string91.base, #t~string91.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string91.base, #t~string91.offset, 1);call write~init~int(100, #t~string91.base, 1 + #t~string91.offset, 1);call write~init~int(10, #t~string91.base, 2 + #t~string91.offset, 1);call write~init~int(0, #t~string91.base, 3 + #t~string91.offset, 1);call #t~string94.base, #t~string94.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string94.base, #t~string94.offset, 1);call write~init~int(100, #t~string94.base, 1 + #t~string94.offset, 1);call write~init~int(10, #t~string94.base, 2 + #t~string94.offset, 1);call write~init~int(0, #t~string94.base, 3 + #t~string94.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string119.base, #t~string119.offset := #Ultimate.allocOnStack(30);call #t~string120.base, #t~string120.offset := #Ultimate.allocOnStack(9);call #t~string121.base, #t~string121.offset := #Ultimate.allocOnStack(21);call #t~string122.base, #t~string122.offset := #Ultimate.allocOnStack(30);call #t~string123.base, #t~string123.offset := #Ultimate.allocOnStack(9);call #t~string124.base, #t~string124.offset := #Ultimate.allocOnStack(21);call #t~string128.base, #t~string128.offset := #Ultimate.allocOnStack(30);call #t~string129.base, #t~string129.offset := #Ultimate.allocOnStack(9);call #t~string130.base, #t~string130.offset := #Ultimate.allocOnStack(25);call #t~string131.base, #t~string131.offset := #Ultimate.allocOnStack(30);call #t~string132.base, #t~string132.offset := #Ultimate.allocOnStack(9);call #t~string133.base, #t~string133.offset := #Ultimate.allocOnStack(25); 219#L-1true havoc main_#res;havoc main_#t~ret86, main_~retValue_acc~40, main_~tmp~16;havoc main_~retValue_acc~40;havoc main_~tmp~16; 545#L523true havoc valid_product_#res;havoc valid_product_~retValue_acc~10;havoc valid_product_~retValue_acc~10;valid_product_~retValue_acc~10 := 1;valid_product_#res := valid_product_~retValue_acc~10; 164#L531true main_#t~ret86 := valid_product_#res;main_~tmp~16 := main_#t~ret86;havoc main_#t~ret86; 358#L2440true assume 0 != main_~tmp~16;havoc setup_#t~nondet81, setup_#t~nondet83, setup_#t~nondet85, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset, setup_~__cil_tmp3~4.base, setup_~__cil_tmp3~4.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset;havoc setup_~__cil_tmp3~4.base, setup_~__cil_tmp3~4.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; 111#L1608true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 857#L1614-2true 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; 58#L1173true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 604#L1179-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string80.base, #t~string80.offset;havoc setup_#t~nondet81;~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; 118#L1608-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 843#L1614-5true 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; 869#L1173-2true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 613#L1179-5true setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset := #t~string82.base, #t~string82.offset;havoc setup_#t~nondet83;~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; 96#L1608-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 848#L1614-8true 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; 871#L1173-4true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 600#L1179-8true setup_~__cil_tmp3~4.base, setup_~__cil_tmp3~4.offset := #t~string84.base, #t~string84.offset;havoc setup_#t~nondet85; 70#L2427true havoc 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_#t~nondet70, test_#t~nondet71, test_#t~nondet72, 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~14, test_~tmp___0~5, test_~tmp___1~3, test_~tmp___2~3, 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~14;havoc test_~tmp___0~5;havoc test_~tmp___1~3;havoc test_~tmp___2~3;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; 307#L2268-1true [2019-10-22 08:55:40,211 INFO L793 eck$LassoCheckResult]: Loop: 307#L2268-1true assume !false; 870#L2120true assume test_~splverifierCounter~0 < 4; 823#L2121true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 717#L2127true assume !(0 == test_~op1~0); 30#L2140true assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet63;havoc test_#t~nondet63; 750#L2145true assume 0 != test_~tmp___8~0;test_~op2~0 := 1; 307#L2268-1true [2019-10-22 08:55:40,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:55:40,217 INFO L82 PathProgramCache]: Analyzing trace with hash 1291925977, now seen corresponding path program 1 times [2019-10-22 08:55:40,225 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:55:40,225 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556444896] [2019-10-22 08:55:40,225 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:40,225 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:40,226 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:55:40,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:55:40,464 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 08:55:40,465 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1556444896] [2019-10-22 08:55:40,466 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:55:40,466 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 08:55:40,466 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035409862] [2019-10-22 08:55:40,470 INFO L796 eck$LassoCheckResult]: stem already infeasible [2019-10-22 08:55:40,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:55:40,471 INFO L82 PathProgramCache]: Analyzing trace with hash 590492675, now seen corresponding path program 1 times [2019-10-22 08:55:40,471 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:55:40,471 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817125156] [2019-10-22 08:55:40,471 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:40,472 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:40,472 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:55:40,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:55:40,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:55:40,511 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:55:40,548 INFO L210 LassoAnalysis]: Preferences: [2019-10-22 08:55:40,549 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-10-22 08:55:40,549 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-10-22 08:55:40,549 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-10-22 08:55:40,549 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-10-22 08:55:40,549 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:55:40,550 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-10-22 08:55:40,550 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-10-22 08:55:40,550 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec9_product21.cil.c_Iteration1_Loop [2019-10-22 08:55:40,550 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-10-22 08:55:40,550 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-10-22 08:55:40,571 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 08:55:40,580 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 08:55:40,585 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 08:55:40,591 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 08:55:40,667 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-10-22 08:55:40,668 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c7f4a9d8-7959-41f8-b2de-f3f7e93775df/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 08:55:40,675 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 08:55:40,676 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c7f4a9d8-7959-41f8-b2de-f3f7e93775df/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 08:55:40,687 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-10-22 08:55:40,688 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-10-22 08:55:40,692 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-10-22 08:55:40,695 INFO L210 LassoAnalysis]: Preferences: [2019-10-22 08:55:40,695 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-10-22 08:55:40,695 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-10-22 08:55:40,695 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-10-22 08:55:40,695 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-10-22 08:55:40,695 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:55:40,695 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-10-22 08:55:40,695 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-10-22 08:55:40,696 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec9_product21.cil.c_Iteration1_Loop [2019-10-22 08:55:40,696 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-10-22 08:55:40,696 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-10-22 08:55:40,697 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 08:55:40,703 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 08:55:40,712 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 08:55:40,722 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:55:40,831 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-10-22 08:55:40,836 INFO L489 LassoAnalysis]: Using template 'affine'. [2019-10-22 08:55:40,837 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 08:55:40,839 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:55:40,839 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:55:40,839 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:55:40,840 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:55:40,840 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:55:40,842 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:55:40,842 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:55:40,846 INFO L419 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-10-22 08:55:40,850 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-10-22 08:55:40,850 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2019-10-22 08:55:40,852 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-10-22 08:55:40,852 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-10-22 08:55:40,859 INFO L510 LassoAnalysis]: Proved termination. [2019-10-22 08:55:40,859 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op2~0) = -2*ULTIMATE.start_test_~op2~0 + 1 Supporting invariants [] [2019-10-22 08:55:40,862 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-10-22 08:55:40,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:55:41,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:55:41,046 INFO L256 TraceCheckSpWp]: Trace formula consists of 622 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 08:55:41,048 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:55:41,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:55:41,096 INFO L256 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-22 08:55:41,097 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:55:41,124 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 08:55:41,136 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-10-22 08:55:41,137 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 956 states. Second operand 4 states. [2019-10-22 08:55:41,447 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 956 states.. Second operand 4 states. Result 4410 states and 7572 transitions. Complement of second has 7 states. [2019-10-22 08:55:41,448 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 08:55:41,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-10-22 08:55:41,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 4382 transitions. [2019-10-22 08:55:41,458 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 4382 transitions. Stem has 18 letters. Loop has 6 letters. [2019-10-22 08:55:41,459 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 08:55:41,459 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 4382 transitions. Stem has 24 letters. Loop has 6 letters. [2019-10-22 08:55:41,459 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 08:55:41,460 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 4382 transitions. Stem has 18 letters. Loop has 12 letters. [2019-10-22 08:55:41,460 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 08:55:41,461 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 4410 states and 7572 transitions. [2019-10-22 08:55:41,492 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 509 [2019-10-22 08:55:41,504 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 4410 states to 1051 states and 1924 transitions. [2019-10-22 08:55:41,506 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 540 [2019-10-22 08:55:41,507 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 541 [2019-10-22 08:55:41,508 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1051 states and 1924 transitions. [2019-10-22 08:55:41,509 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-10-22 08:55:41,510 INFO L688 BuchiCegarLoop]: Abstraction has 1051 states and 1924 transitions. [2019-10-22 08:55:41,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1051 states and 1924 transitions. [2019-10-22 08:55:41,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1051 to 542. [2019-10-22 08:55:41,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 542 states. [2019-10-22 08:55:41,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 989 transitions. [2019-10-22 08:55:41,562 INFO L711 BuchiCegarLoop]: Abstraction has 542 states and 989 transitions. [2019-10-22 08:55:41,563 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:55:41,565 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:55:41,566 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:55:41,567 INFO L87 Difference]: Start difference. First operand 542 states and 989 transitions. Second operand 3 states. [2019-10-22 08:55:41,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:55:41,625 INFO L93 Difference]: Finished difference Result 1064 states and 1943 transitions. [2019-10-22 08:55:41,626 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:55:41,626 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1064 states and 1943 transitions. [2019-10-22 08:55:41,635 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 510 [2019-10-22 08:55:41,640 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1064 states to 1064 states and 1943 transitions. [2019-10-22 08:55:41,641 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 552 [2019-10-22 08:55:41,642 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 552 [2019-10-22 08:55:41,644 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1064 states and 1943 transitions. [2019-10-22 08:55:41,647 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-10-22 08:55:41,647 INFO L688 BuchiCegarLoop]: Abstraction has 1064 states and 1943 transitions. [2019-10-22 08:55:41,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1064 states and 1943 transitions. [2019-10-22 08:55:41,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1064 to 541. [2019-10-22 08:55:41,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 541 states. [2019-10-22 08:55:41,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 985 transitions. [2019-10-22 08:55:41,670 INFO L711 BuchiCegarLoop]: Abstraction has 541 states and 985 transitions. [2019-10-22 08:55:41,670 INFO L591 BuchiCegarLoop]: Abstraction has 541 states and 985 transitions. [2019-10-22 08:55:41,670 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-10-22 08:55:41,670 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 541 states and 985 transitions. [2019-10-22 08:55:41,672 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 255 [2019-10-22 08:55:41,673 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 08:55:41,673 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 08:55:41,674 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:55:41,674 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:55:41,674 INFO L791 eck$LassoCheckResult]: Stem: 7393#ULTIMATE.startENTRY #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~string23.base, #t~string23.offset := #Ultimate.allocOnStack(20);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(10);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(12);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(10);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(18);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(16);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(21);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string48.base, #t~string48.offset, 1);call write~init~int(115, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(10, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 3 + #t~string48.offset, 1);~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~__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;~in_encrypted~0 := 0;call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(17);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(17);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(13);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(17);~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(44);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(44);call #t~string80.base, #t~string80.offset := #Ultimate.allocOnStack(9);call #t~string82.base, #t~string82.offset := #Ultimate.allocOnStack(9);call #t~string84.base, #t~string84.offset := #Ultimate.allocOnStack(11);call #t~string88.base, #t~string88.offset := #Ultimate.allocOnStack(19);call #t~string91.base, #t~string91.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string91.base, #t~string91.offset, 1);call write~init~int(100, #t~string91.base, 1 + #t~string91.offset, 1);call write~init~int(10, #t~string91.base, 2 + #t~string91.offset, 1);call write~init~int(0, #t~string91.base, 3 + #t~string91.offset, 1);call #t~string94.base, #t~string94.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string94.base, #t~string94.offset, 1);call write~init~int(100, #t~string94.base, 1 + #t~string94.offset, 1);call write~init~int(10, #t~string94.base, 2 + #t~string94.offset, 1);call write~init~int(0, #t~string94.base, 3 + #t~string94.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string119.base, #t~string119.offset := #Ultimate.allocOnStack(30);call #t~string120.base, #t~string120.offset := #Ultimate.allocOnStack(9);call #t~string121.base, #t~string121.offset := #Ultimate.allocOnStack(21);call #t~string122.base, #t~string122.offset := #Ultimate.allocOnStack(30);call #t~string123.base, #t~string123.offset := #Ultimate.allocOnStack(9);call #t~string124.base, #t~string124.offset := #Ultimate.allocOnStack(21);call #t~string128.base, #t~string128.offset := #Ultimate.allocOnStack(30);call #t~string129.base, #t~string129.offset := #Ultimate.allocOnStack(9);call #t~string130.base, #t~string130.offset := #Ultimate.allocOnStack(25);call #t~string131.base, #t~string131.offset := #Ultimate.allocOnStack(30);call #t~string132.base, #t~string132.offset := #Ultimate.allocOnStack(9);call #t~string133.base, #t~string133.offset := #Ultimate.allocOnStack(25); 7083#L-1 havoc main_#res;havoc main_#t~ret86, main_~retValue_acc~40, main_~tmp~16;havoc main_~retValue_acc~40;havoc main_~tmp~16; 7084#L523 havoc valid_product_#res;havoc valid_product_~retValue_acc~10;havoc valid_product_~retValue_acc~10;valid_product_~retValue_acc~10 := 1;valid_product_#res := valid_product_~retValue_acc~10; 7388#L531 main_#t~ret86 := valid_product_#res;main_~tmp~16 := main_#t~ret86;havoc main_#t~ret86; 7539#L2440 assume 0 != main_~tmp~16;havoc setup_#t~nondet81, setup_#t~nondet83, setup_#t~nondet85, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset, setup_~__cil_tmp3~4.base, setup_~__cil_tmp3~4.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset;havoc setup_~__cil_tmp3~4.base, setup_~__cil_tmp3~4.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; 7540#L1608 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 7317#L1614-2 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; 7351#L1173 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 7308#L1179-2 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string80.base, #t~string80.offset;havoc setup_#t~nondet81;~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; 7564#L1608-2 assume !(1 == setClientId_~handle); 7225#L1611-2 assume 2 == setClientId_~handle;~__ste_client_idCounter1~0 := setClientId_~value; 7226#L1614-5 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; 7538#L1173-2 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 7324#L1179-5 setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset := #t~string82.base, #t~string82.offset;havoc setup_#t~nondet83;~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; 7573#L1608-4 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 7258#L1614-8 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; 7549#L1173-4 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 7232#L1179-8 setup_~__cil_tmp3~4.base, setup_~__cil_tmp3~4.offset := #t~string84.base, #t~string84.offset;havoc setup_#t~nondet85; 7460#L2427 havoc 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_#t~nondet70, test_#t~nondet71, test_#t~nondet72, 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~14, test_~tmp___0~5, test_~tmp___1~3, test_~tmp___2~3, 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~14;havoc test_~tmp___0~5;havoc test_~tmp___1~3;havoc test_~tmp___2~3;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; 7461#L2268-1 assume !false; 7406#L2120 [2019-10-22 08:55:41,675 INFO L793 eck$LassoCheckResult]: Loop: 7406#L2120 assume test_~splverifierCounter~0 < 4; 7478#L2121 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 7479#L2127 assume !(0 == test_~op1~0); 7155#L2140 assume !(0 == test_~op2~0); 7135#L2151 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet64;havoc test_#t~nondet64; 7137#L2156 assume 0 != test_~tmp___7~0;setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := ~rjh~0, 0;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 7319#L1173-6 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 7260#L1179-11 test_~op3~0 := 1; 7243#L2268-1 assume !false; 7406#L2120 [2019-10-22 08:55:41,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:55:41,675 INFO L82 PathProgramCache]: Analyzing trace with hash -953559564, now seen corresponding path program 1 times [2019-10-22 08:55:41,675 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:55:41,675 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572972668] [2019-10-22 08:55:41,675 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:41,676 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:41,676 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:55:41,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:55:41,812 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 08:55:41,813 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572972668] [2019-10-22 08:55:41,813 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:55:41,813 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 08:55:41,813 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463888657] [2019-10-22 08:55:41,813 INFO L796 eck$LassoCheckResult]: stem already infeasible [2019-10-22 08:55:41,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:55:41,814 INFO L82 PathProgramCache]: Analyzing trace with hash -1296812605, now seen corresponding path program 1 times [2019-10-22 08:55:41,814 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:55:41,814 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331005292] [2019-10-22 08:55:41,814 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:41,814 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:41,814 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:55:41,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:55:41,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:55:41,838 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:55:41,893 INFO L210 LassoAnalysis]: Preferences: [2019-10-22 08:55:41,893 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-10-22 08:55:41,893 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-10-22 08:55:41,894 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-10-22 08:55:41,894 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-10-22 08:55:41,894 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:55:41,894 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-10-22 08:55:41,894 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-10-22 08:55:41,894 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec9_product21.cil.c_Iteration2_Loop [2019-10-22 08:55:41,894 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-10-22 08:55:41,894 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-10-22 08:55:41,896 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 08:55:41,901 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 08:55:41,904 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 08:55:41,910 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 08:55:41,917 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 08:55:41,919 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 08:55:41,924 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 08:55:42,057 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-10-22 08:55:42,057 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c7f4a9d8-7959-41f8-b2de-f3f7e93775df/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) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:55:42,062 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 08:55:42,062 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c7f4a9d8-7959-41f8-b2de-f3f7e93775df/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:55:42,069 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-10-22 08:55:42,069 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-10-22 08:55:42,075 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-10-22 08:55:42,077 INFO L210 LassoAnalysis]: Preferences: [2019-10-22 08:55:42,077 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-10-22 08:55:42,077 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-10-22 08:55:42,077 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-10-22 08:55:42,077 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-10-22 08:55:42,078 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:55:42,078 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-10-22 08:55:42,078 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-10-22 08:55:42,078 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec9_product21.cil.c_Iteration2_Loop [2019-10-22 08:55:42,078 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-10-22 08:55:42,078 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-10-22 08:55:42,082 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 08:55:42,089 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 08:55:42,091 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 08:55:42,093 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 08:55:42,096 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 08:55:42,102 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 08:55:42,111 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 08:55:42,206 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-10-22 08:55:42,207 INFO L489 LassoAnalysis]: Using template 'affine'. [2019-10-22 08:55:42,207 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 08:55:42,208 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:55:42,208 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:55:42,208 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:55:42,208 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:55:42,208 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:55:42,209 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:55:42,209 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:55:42,214 INFO L419 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-10-22 08:55:42,216 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-10-22 08:55:42,216 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2019-10-22 08:55:42,217 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-10-22 08:55:42,217 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-10-22 08:55:42,217 INFO L510 LassoAnalysis]: Proved termination. [2019-10-22 08:55:42,217 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 08:55:42,218 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-10-22 08:55:42,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:55:42,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:55:42,340 INFO L256 TraceCheckSpWp]: Trace formula consists of 624 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 08:55:42,342 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:55:42,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:55:42,370 INFO L256 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-22 08:55:42,370 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:55:42,402 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 08:55:42,403 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 08:55:42,403 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 541 states and 985 transitions. cyclomatic complexity: 446 Second operand 4 states. [2019-10-22 08:55:42,444 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 541 states and 985 transitions. cyclomatic complexity: 446. Second operand 4 states. Result 1055 states and 1929 transitions. Complement of second has 6 states. [2019-10-22 08:55:42,445 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-10-22 08:55:42,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-10-22 08:55:42,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 515 transitions. [2019-10-22 08:55:42,446 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 515 transitions. Stem has 20 letters. Loop has 9 letters. [2019-10-22 08:55:42,446 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 08:55:42,447 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 515 transitions. Stem has 29 letters. Loop has 9 letters. [2019-10-22 08:55:42,447 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 08:55:42,447 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 515 transitions. Stem has 20 letters. Loop has 18 letters. [2019-10-22 08:55:42,448 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 08:55:42,448 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1055 states and 1929 transitions. [2019-10-22 08:55:42,455 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-10-22 08:55:42,455 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1055 states to 0 states and 0 transitions. [2019-10-22 08:55:42,456 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-10-22 08:55:42,456 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-10-22 08:55:42,456 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-10-22 08:55:42,456 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-10-22 08:55:42,456 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:55:42,456 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:55:42,456 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:55:42,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 08:55:42,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 08:55:42,457 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 5 states. [2019-10-22 08:55:42,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:55:42,457 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2019-10-22 08:55:42,457 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 08:55:42,458 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2019-10-22 08:55:42,458 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-10-22 08:55:42,458 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 08:55:42,458 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-10-22 08:55:42,458 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-10-22 08:55:42,458 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-10-22 08:55:42,458 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-10-22 08:55:42,458 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:55:42,459 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:55:42,459 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:55:42,459 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-10-22 08:55:42,459 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-10-22 08:55:42,459 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-10-22 08:55:42,459 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-10-22 08:55:42,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.10 08:55:42 BoogieIcfgContainer [2019-10-22 08:55:42,465 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-10-22 08:55:42,465 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 08:55:42,465 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 08:55:42,465 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 08:55:42,466 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:55:40" (3/4) ... [2019-10-22 08:55:42,469 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-10-22 08:55:42,469 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 08:55:42,471 INFO L168 Benchmark]: Toolchain (without parser) took 6045.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 202.4 MB). Free memory was 939.1 MB in the beginning and 858.1 MB in the end (delta: 81.0 MB). Peak memory consumption was 283.4 MB. Max. memory is 11.5 GB. [2019-10-22 08:55:42,472 INFO L168 Benchmark]: CDTParser took 0.18 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 08:55:42,472 INFO L168 Benchmark]: CACSL2BoogieTranslator took 859.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -149.9 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. [2019-10-22 08:55:42,473 INFO L168 Benchmark]: Boogie Procedure Inliner took 138.45 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2019-10-22 08:55:42,473 INFO L168 Benchmark]: Boogie Preprocessor took 147.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2019-10-22 08:55:42,474 INFO L168 Benchmark]: RCFGBuilder took 2463.47 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 931.6 MB in the end (delta: 125.2 MB). Peak memory consumption was 203.6 MB. Max. memory is 11.5 GB. [2019-10-22 08:55:42,474 INFO L168 Benchmark]: BuchiAutomizer took 2428.50 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 64.5 MB). Free memory was 931.6 MB in the beginning and 858.1 MB in the end (delta: 73.5 MB). Peak memory consumption was 138.0 MB. Max. memory is 11.5 GB. [2019-10-22 08:55:42,474 INFO L168 Benchmark]: Witness Printer took 4.05 ms. Allocated memory is still 1.2 GB. Free memory is still 858.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:55:42,481 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 859.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -149.9 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 138.45 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 147.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2463.47 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 931.6 MB in the end (delta: 125.2 MB). Peak memory consumption was 203.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 2428.50 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 64.5 MB). Free memory was 931.6 MB in the beginning and 858.1 MB in the end (delta: 73.5 MB). Peak memory consumption was 138.0 MB. Max. memory is 11.5 GB. * Witness Printer took 4.05 ms. Allocated memory is still 1.2 GB. Free memory is still 858.1 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 4 terminating modules (2 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * op2 + 1 and consists of 5 locations. One deterministic module has affine ranking function -2 * splverifierCounter + 7 and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.3s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.8s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 1032 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 541 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 4741 SDtfs, 4240 SDslu, 6191 SDs, 0 SdLazy, 26 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT2 lasso0 LassoPreprocessingBenchmarks: Lassos: inital38 mio100 ax100 hnf100 lsp29 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq189 hnf90 smp100 dnf134 smp100 tf108 neg92 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 16ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 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...