./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/email_spec6_product21.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_691d36f1-c430-4a04-899a-09afac25973e/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_691d36f1-c430-4a04-899a-09afac25973e/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_691d36f1-c430-4a04-899a-09afac25973e/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_691d36f1-c430-4a04-899a-09afac25973e/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/email_spec6_product21.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_691d36f1-c430-4a04-899a-09afac25973e/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_691d36f1-c430-4a04-899a-09afac25973e/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 de4707cbbb7f3e5dc1742f73839c035d283b70d6 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 06:12:25,172 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 06:12:25,174 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 06:12:25,189 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 06:12:25,190 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 06:12:25,191 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 06:12:25,193 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 06:12:25,204 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 06:12:25,205 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 06:12:25,206 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 06:12:25,207 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 06:12:25,208 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 06:12:25,208 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 06:12:25,210 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 06:12:25,210 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 06:12:25,211 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 06:12:25,213 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 06:12:25,213 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 06:12:25,215 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 06:12:25,217 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 06:12:25,218 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 06:12:25,219 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 06:12:25,220 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 06:12:25,221 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 06:12:25,224 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 06:12:25,224 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 06:12:25,224 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 06:12:25,225 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 06:12:25,225 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 06:12:25,226 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 06:12:25,226 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 06:12:25,227 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 06:12:25,228 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 06:12:25,228 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 06:12:25,230 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 06:12:25,232 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 06:12:25,233 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 06:12:25,233 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 06:12:25,233 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 06:12:25,234 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 06:12:25,235 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 06:12:25,236 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_691d36f1-c430-4a04-899a-09afac25973e/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-20 06:12:25,251 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 06:12:25,251 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 06:12:25,252 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 06:12:25,252 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 06:12:25,252 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 06:12:25,253 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-20 06:12:25,253 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-20 06:12:25,253 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-20 06:12:25,253 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-20 06:12:25,253 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-20 06:12:25,253 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-20 06:12:25,254 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 06:12:25,254 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 06:12:25,254 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 06:12:25,254 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 06:12:25,254 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 06:12:25,254 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 06:12:25,255 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-20 06:12:25,255 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-20 06:12:25,255 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-20 06:12:25,255 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 06:12:25,255 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 06:12:25,255 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-20 06:12:25,256 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 06:12:25,256 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-20 06:12:25,256 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 06:12:25,256 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 06:12:25,256 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-20 06:12:25,256 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 06:12:25,257 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 06:12:25,257 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-20 06:12:25,258 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-20 06:12:25,258 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_691d36f1-c430-4a04-899a-09afac25973e/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 -> de4707cbbb7f3e5dc1742f73839c035d283b70d6 [2019-11-20 06:12:25,404 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 06:12:25,418 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 06:12:25,421 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 06:12:25,422 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 06:12:25,423 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 06:12:25,424 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_691d36f1-c430-4a04-899a-09afac25973e/bin/uautomizer/../../sv-benchmarks/c/product-lines/email_spec6_product21.cil.c [2019-11-20 06:12:25,478 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_691d36f1-c430-4a04-899a-09afac25973e/bin/uautomizer/data/b3f3d2b99/cbdd3c1348f74bbf9c336c38b93dc173/FLAG245104360 [2019-11-20 06:12:26,010 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 06:12:26,011 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_691d36f1-c430-4a04-899a-09afac25973e/sv-benchmarks/c/product-lines/email_spec6_product21.cil.c [2019-11-20 06:12:26,029 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_691d36f1-c430-4a04-899a-09afac25973e/bin/uautomizer/data/b3f3d2b99/cbdd3c1348f74bbf9c336c38b93dc173/FLAG245104360 [2019-11-20 06:12:26,493 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_691d36f1-c430-4a04-899a-09afac25973e/bin/uautomizer/data/b3f3d2b99/cbdd3c1348f74bbf9c336c38b93dc173 [2019-11-20 06:12:26,495 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 06:12:26,496 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 06:12:26,497 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 06:12:26,497 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 06:12:26,500 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 06:12:26,501 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:12:26" (1/1) ... [2019-11-20 06:12:26,504 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ca9f7dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:12:26, skipping insertion in model container [2019-11-20 06:12:26,504 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:12:26" (1/1) ... [2019-11-20 06:12:26,510 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 06:12:26,591 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 06:12:27,271 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 06:12:27,303 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 06:12:27,429 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 06:12:27,529 INFO L192 MainTranslator]: Completed translation [2019-11-20 06:12:27,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:12:27 WrapperNode [2019-11-20 06:12:27,530 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 06:12:27,533 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 06:12:27,533 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 06:12:27,533 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 06:12:27,541 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:12:27" (1/1) ... [2019-11-20 06:12:27,575 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:12:27" (1/1) ... [2019-11-20 06:12:27,686 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 06:12:27,687 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 06:12:27,687 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 06:12:27,687 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 06:12:27,696 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:12:27" (1/1) ... [2019-11-20 06:12:27,697 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:12:27" (1/1) ... [2019-11-20 06:12:27,707 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:12:27" (1/1) ... [2019-11-20 06:12:27,708 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:12:27" (1/1) ... [2019-11-20 06:12:27,754 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:12:27" (1/1) ... [2019-11-20 06:12:27,787 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:12:27" (1/1) ... [2019-11-20 06:12:27,796 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:12:27" (1/1) ... [2019-11-20 06:12:27,812 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 06:12:27,812 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 06:12:27,813 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 06:12:27,813 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 06:12:27,814 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:12:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_691d36f1-c430-4a04-899a-09afac25973e/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 06:12:27,873 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-11-20 06:12:27,873 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 06:12:27,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-20 06:12:27,874 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 06:12:27,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 06:12:30,757 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 06:12:30,757 INFO L285 CfgBuilder]: Removed 673 assume(true) statements. [2019-11-20 06:12:30,758 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:12:30 BoogieIcfgContainer [2019-11-20 06:12:30,758 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 06:12:30,759 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-20 06:12:30,759 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-20 06:12:30,763 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-20 06:12:30,764 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 06:12:30,764 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 06:12:26" (1/3) ... [2019-11-20 06:12:30,766 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@690e72cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 06:12:30, skipping insertion in model container [2019-11-20 06:12:30,766 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 06:12:30,766 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:12:27" (2/3) ... [2019-11-20 06:12:30,766 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@690e72cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 06:12:30, skipping insertion in model container [2019-11-20 06:12:30,766 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 06:12:30,766 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:12:30" (3/3) ... [2019-11-20 06:12:30,768 INFO L371 chiAutomizerObserver]: Analyzing ICFG email_spec6_product21.cil.c [2019-11-20 06:12:30,803 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-20 06:12:30,803 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-20 06:12:30,803 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-20 06:12:30,804 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 06:12:30,804 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 06:12:30,804 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-20 06:12:30,804 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 06:12:30,804 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-20 06:12:30,836 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 998 states. [2019-11-20 06:12:30,912 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 255 [2019-11-20 06:12:30,913 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 06:12:30,913 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 06:12:30,922 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 06:12:30,924 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-11-20 06:12:30,924 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-20 06:12:30,924 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 998 states. [2019-11-20 06:12:30,941 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 255 [2019-11-20 06:12:30,942 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 06:12:30,942 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 06:12:30,948 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 06:12:30,949 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-11-20 06:12:30,956 INFO L794 eck$LassoCheckResult]: Stem: 369#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string0.base, #t~string0.offset, 1);call write~init~int(115, #t~string0.base, 1 + #t~string0.offset, 1);call write~init~int(10, #t~string0.base, 2 + #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 3 + #t~string0.offset, 1);~__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;~sent_encrypted~0 := -1;call #t~string2.base, #t~string2.offset := #Ultimate.allocOnStack(13);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(19);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(16);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(19);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(10);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(12);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(10);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(18);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(16);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(21);~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(10);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(34);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(30);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(16);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(20);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(21);~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(44);call #t~string80.base, #t~string80.offset := #Ultimate.allocOnStack(44);call #t~string82.base, #t~string82.offset := #Ultimate.allocOnStack(9);call #t~string84.base, #t~string84.offset := #Ultimate.allocOnStack(9);call #t~string86.base, #t~string86.offset := #Ultimate.allocOnStack(11);call #t~string90.base, #t~string90.offset := #Ultimate.allocOnStack(19);call #t~string93.base, #t~string93.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string93.base, #t~string93.offset, 1);call write~init~int(100, #t~string93.base, 1 + #t~string93.offset, 1);call write~init~int(10, #t~string93.base, 2 + #t~string93.offset, 1);call write~init~int(0, #t~string93.base, 3 + #t~string93.offset, 1);call #t~string96.base, #t~string96.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string96.base, #t~string96.offset, 1);call write~init~int(100, #t~string96.base, 1 + #t~string96.offset, 1);call write~init~int(10, #t~string96.base, 2 + #t~string96.offset, 1);call write~init~int(0, #t~string96.base, 3 + #t~string96.offset, 1);~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;~head~0.base, ~head~0.offset := 0, 0;call #t~string121.base, #t~string121.offset := #Ultimate.allocOnStack(30);call #t~string122.base, #t~string122.offset := #Ultimate.allocOnStack(9);call #t~string123.base, #t~string123.offset := #Ultimate.allocOnStack(21);call #t~string124.base, #t~string124.offset := #Ultimate.allocOnStack(30);call #t~string125.base, #t~string125.offset := #Ultimate.allocOnStack(9);call #t~string126.base, #t~string126.offset := #Ultimate.allocOnStack(21);call #t~string130.base, #t~string130.offset := #Ultimate.allocOnStack(30);call #t~string131.base, #t~string131.offset := #Ultimate.allocOnStack(9);call #t~string132.base, #t~string132.offset := #Ultimate.allocOnStack(25);call #t~string133.base, #t~string133.offset := #Ultimate.allocOnStack(30);call #t~string134.base, #t~string134.offset := #Ultimate.allocOnStack(9);call #t~string135.base, #t~string135.offset := #Ultimate.allocOnStack(25); 278#L-1true havoc main_#res;havoc main_#t~ret88, main_~retValue_acc~29, main_~tmp~16;havoc main_~retValue_acc~29;havoc main_~tmp~16; 294#L1650true havoc valid_product_#res;havoc valid_product_~retValue_acc~28;havoc valid_product_~retValue_acc~28;valid_product_~retValue_acc~28 := 1;valid_product_#res := valid_product_~retValue_acc~28; 924#L1658true main_#t~ret88 := valid_product_#res;main_~tmp~16 := main_#t~ret88;havoc main_#t~ret88; 870#L2033true assume 0 != main_~tmp~16;havoc setup_#t~nondet83, setup_#t~nondet85, setup_#t~nondet87, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset, setup_~__cil_tmp3~1.base, setup_~__cil_tmp3~1.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_tmp3~1.base, setup_~__cil_tmp3~1.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; 174#L1608true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 918#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; 63#L1173true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 660#L1179-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string82.base, #t~string82.offset;havoc setup_#t~nondet83;~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; 176#L1608-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 901#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; 933#L1173-2true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 676#L1179-5true setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset := #t~string84.base, #t~string84.offset;havoc setup_#t~nondet85;~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; 159#L1608-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 908#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; 934#L1173-4true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 646#L1179-8true setup_~__cil_tmp3~1.base, setup_~__cil_tmp3~1.offset := #t~string86.base, #t~string86.offset;havoc setup_#t~nondet87; 608#L2020true havoc 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_#t~nondet73, test_#t~nondet74, 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___0~6, test_~tmp___1~4, 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___0~6;havoc test_~tmp___1~4;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; 800#L1861-1true [2019-11-20 06:12:30,956 INFO L796 eck$LassoCheckResult]: Loop: 800#L1861-1true assume !false; 466#L1713true assume test_~splverifierCounter~0 < 4; 531#L1714true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 229#L1720true assume !(0 == test_~op1~0); 543#L1733true assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet65;havoc test_#t~nondet65; 306#L1738true assume 0 != test_~tmp___8~0;test_~op2~0 := 1; 800#L1861-1true [2019-11-20 06:12:30,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 06:12:30,962 INFO L82 PathProgramCache]: Analyzing trace with hash 1291925977, now seen corresponding path program 1 times [2019-11-20 06:12:30,968 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 06:12:30,968 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28475946] [2019-11-20 06:12:30,969 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 06:12:31,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:12:31,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:12:31,257 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28475946] [2019-11-20 06:12:31,258 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 06:12:31,258 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 06:12:31,259 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437609877] [2019-11-20 06:12:31,263 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-20 06:12:31,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 06:12:31,264 INFO L82 PathProgramCache]: Analyzing trace with hash 590492675, now seen corresponding path program 1 times [2019-11-20 06:12:31,264 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 06:12:31,264 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593143476] [2019-11-20 06:12:31,264 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 06:12:31,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 06:12:31,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 06:12:31,307 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 06:12:31,352 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 06:12:31,353 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 06:12:31,353 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 06:12:31,353 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 06:12:31,353 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-20 06:12:31,354 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 06:12:31,354 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 06:12:31,354 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 06:12:31,354 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec6_product21.cil.c_Iteration1_Loop [2019-11-20 06:12:31,354 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 06:12:31,355 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 06:12:31,375 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 06:12:31,394 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 06:12:31,401 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 06:12:31,412 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 06:12:31,502 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 06:12:31,503 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_691d36f1-c430-4a04-899a-09afac25973e/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 06:12:31,567 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 06:12:31,567 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_691d36f1-c430-4a04-899a-09afac25973e/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 06:12:31,593 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-20 06:12:31,594 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-20 06:12:31,604 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-20 06:12:31,606 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 06:12:31,607 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 06:12:31,607 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 06:12:31,607 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 06:12:31,607 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 06:12:31,607 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 06:12:31,607 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 06:12:31,607 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 06:12:31,607 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec6_product21.cil.c_Iteration1_Loop [2019-11-20 06:12:31,608 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 06:12:31,608 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 06:12:31,610 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 06:12:31,628 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 06:12:31,638 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 06:12:31,645 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 06:12:31,724 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 06:12:31,728 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_691d36f1-c430-4a04-899a-09afac25973e/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 06:12:31,738 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 06:12:31,740 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 06:12:31,740 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 06:12:31,741 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 06:12:31,741 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 06:12:31,741 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 06:12:31,745 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 06:12:31,745 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 06:12:31,752 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 06:12:31,766 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-20 06:12:31,766 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_691d36f1-c430-4a04-899a-09afac25973e/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 06:12:31,776 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-20 06:12:31,776 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-20 06:12:31,777 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 06:12:31,778 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op2~0) = -2*ULTIMATE.start_test_~op2~0 + 1 Supporting invariants [] [2019-11-20 06:12:31,793 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 06:12:31,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 06:12:32,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:12:32,036 INFO L255 TraceCheckSpWp]: Trace formula consists of 623 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 06:12:32,040 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 06:12:32,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:12:32,074 INFO L255 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-20 06:12:32,075 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 06:12:32,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:12:32,122 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 [2019-11-20 06:12:32,123 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 998 states. Second operand 4 states. [2019-11-20 06:12:32,475 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 998 states.. Second operand 4 states. Result 4620 states and 7932 transitions. Complement of second has 7 states. [2019-11-20 06:12:32,476 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-20 06:12:32,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-20 06:12:32,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 4598 transitions. [2019-11-20 06:12:32,488 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 4598 transitions. Stem has 18 letters. Loop has 6 letters. [2019-11-20 06:12:32,497 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 06:12:32,498 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 4598 transitions. Stem has 24 letters. Loop has 6 letters. [2019-11-20 06:12:32,498 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 06:12:32,499 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 4598 transitions. Stem has 18 letters. Loop has 12 letters. [2019-11-20 06:12:32,500 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 06:12:32,501 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 4620 states and 7932 transitions. [2019-11-20 06:12:32,563 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 509 [2019-11-20 06:12:32,586 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 4620 states to 1051 states and 1924 transitions. [2019-11-20 06:12:32,587 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 540 [2019-11-20 06:12:32,590 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 541 [2019-11-20 06:12:32,591 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1051 states and 1924 transitions. [2019-11-20 06:12:32,599 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 06:12:32,599 INFO L688 BuchiCegarLoop]: Abstraction has 1051 states and 1924 transitions. [2019-11-20 06:12:32,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1051 states and 1924 transitions. [2019-11-20 06:12:32,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1051 to 542. [2019-11-20 06:12:32,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 542 states. [2019-11-20 06:12:32,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 989 transitions. [2019-11-20 06:12:32,679 INFO L711 BuchiCegarLoop]: Abstraction has 542 states and 989 transitions. [2019-11-20 06:12:32,680 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 06:12:32,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 06:12:32,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 06:12:32,685 INFO L87 Difference]: Start difference. First operand 542 states and 989 transitions. Second operand 3 states. [2019-11-20 06:12:32,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 06:12:32,744 INFO L93 Difference]: Finished difference Result 1064 states and 1943 transitions. [2019-11-20 06:12:32,744 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 06:12:32,745 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1064 states and 1943 transitions. [2019-11-20 06:12:32,756 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 510 [2019-11-20 06:12:32,771 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1064 states to 1064 states and 1943 transitions. [2019-11-20 06:12:32,771 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 552 [2019-11-20 06:12:32,773 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 552 [2019-11-20 06:12:32,773 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1064 states and 1943 transitions. [2019-11-20 06:12:32,773 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 06:12:32,774 INFO L688 BuchiCegarLoop]: Abstraction has 1064 states and 1943 transitions. [2019-11-20 06:12:32,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1064 states and 1943 transitions. [2019-11-20 06:12:32,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1064 to 541. [2019-11-20 06:12:32,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 541 states. [2019-11-20 06:12:32,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 985 transitions. [2019-11-20 06:12:32,795 INFO L711 BuchiCegarLoop]: Abstraction has 541 states and 985 transitions. [2019-11-20 06:12:32,796 INFO L591 BuchiCegarLoop]: Abstraction has 541 states and 985 transitions. [2019-11-20 06:12:32,796 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-20 06:12:32,796 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 541 states and 985 transitions. [2019-11-20 06:12:32,800 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 255 [2019-11-20 06:12:32,800 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 06:12:32,800 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 06:12:32,801 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] [2019-11-20 06:12:32,802 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 06:12:32,802 INFO L794 eck$LassoCheckResult]: Stem: 7649#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string0.base, #t~string0.offset, 1);call write~init~int(115, #t~string0.base, 1 + #t~string0.offset, 1);call write~init~int(10, #t~string0.base, 2 + #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 3 + #t~string0.offset, 1);~__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;~sent_encrypted~0 := -1;call #t~string2.base, #t~string2.offset := #Ultimate.allocOnStack(13);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(19);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(16);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(19);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(10);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(12);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(10);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(18);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(16);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(21);~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(10);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(34);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(30);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(16);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(20);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(21);~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(44);call #t~string80.base, #t~string80.offset := #Ultimate.allocOnStack(44);call #t~string82.base, #t~string82.offset := #Ultimate.allocOnStack(9);call #t~string84.base, #t~string84.offset := #Ultimate.allocOnStack(9);call #t~string86.base, #t~string86.offset := #Ultimate.allocOnStack(11);call #t~string90.base, #t~string90.offset := #Ultimate.allocOnStack(19);call #t~string93.base, #t~string93.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string93.base, #t~string93.offset, 1);call write~init~int(100, #t~string93.base, 1 + #t~string93.offset, 1);call write~init~int(10, #t~string93.base, 2 + #t~string93.offset, 1);call write~init~int(0, #t~string93.base, 3 + #t~string93.offset, 1);call #t~string96.base, #t~string96.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string96.base, #t~string96.offset, 1);call write~init~int(100, #t~string96.base, 1 + #t~string96.offset, 1);call write~init~int(10, #t~string96.base, 2 + #t~string96.offset, 1);call write~init~int(0, #t~string96.base, 3 + #t~string96.offset, 1);~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;~head~0.base, ~head~0.offset := 0, 0;call #t~string121.base, #t~string121.offset := #Ultimate.allocOnStack(30);call #t~string122.base, #t~string122.offset := #Ultimate.allocOnStack(9);call #t~string123.base, #t~string123.offset := #Ultimate.allocOnStack(21);call #t~string124.base, #t~string124.offset := #Ultimate.allocOnStack(30);call #t~string125.base, #t~string125.offset := #Ultimate.allocOnStack(9);call #t~string126.base, #t~string126.offset := #Ultimate.allocOnStack(21);call #t~string130.base, #t~string130.offset := #Ultimate.allocOnStack(30);call #t~string131.base, #t~string131.offset := #Ultimate.allocOnStack(9);call #t~string132.base, #t~string132.offset := #Ultimate.allocOnStack(25);call #t~string133.base, #t~string133.offset := #Ultimate.allocOnStack(30);call #t~string134.base, #t~string134.offset := #Ultimate.allocOnStack(9);call #t~string135.base, #t~string135.offset := #Ultimate.allocOnStack(25); 7323#L-1 havoc main_#res;havoc main_#t~ret88, main_~retValue_acc~29, main_~tmp~16;havoc main_~retValue_acc~29;havoc main_~tmp~16; 7324#L1650 havoc valid_product_#res;havoc valid_product_~retValue_acc~28;havoc valid_product_~retValue_acc~28;valid_product_~retValue_acc~28 := 1;valid_product_#res := valid_product_~retValue_acc~28; 7395#L1658 main_#t~ret88 := valid_product_#res;main_~tmp~16 := main_#t~ret88;havoc main_#t~ret88; 7738#L2033 assume 0 != main_~tmp~16;havoc setup_#t~nondet83, setup_#t~nondet85, setup_#t~nondet87, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset, setup_~__cil_tmp3~1.base, setup_~__cil_tmp3~1.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_tmp3~1.base, setup_~__cil_tmp3~1.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; 7739#L1608 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 7565#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; 7604#L1173 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 7554#L1179-2 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string82.base, #t~string82.offset;havoc setup_#t~nondet83;~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; 7814#L1608-2 assume !(1 == setClientId_~handle); 7477#L1611-2 assume 2 == setClientId_~handle;~__ste_client_idCounter1~0 := setClientId_~value; 7478#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; 7790#L1173-2 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 7568#L1179-5 setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset := #t~string84.base, #t~string84.offset;havoc setup_#t~nondet85;~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; 7823#L1608-4 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 7508#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; 7797#L1173-4 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 7480#L1179-8 setup_~__cil_tmp3~1.base, setup_~__cil_tmp3~1.offset := #t~string86.base, #t~string86.offset;havoc setup_#t~nondet87; 7680#L2020 havoc 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_#t~nondet73, test_#t~nondet74, 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___0~6, test_~tmp___1~4, 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___0~6;havoc test_~tmp___1~4;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; 7681#L1861-1 assume !false; 7598#L1713 [2019-11-20 06:12:32,802 INFO L796 eck$LassoCheckResult]: Loop: 7598#L1713 assume test_~splverifierCounter~0 < 4; 7826#L1714 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 7862#L1720 assume !(0 == test_~op1~0); 7349#L1733 assume !(0 == test_~op2~0); 7343#L1744 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet66;havoc test_#t~nondet66; 7345#L1749 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; 7469#L1173-6 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 7510#L1179-11 test_~op3~0 := 1; 7411#L1861-1 assume !false; 7598#L1713 [2019-11-20 06:12:32,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 06:12:32,803 INFO L82 PathProgramCache]: Analyzing trace with hash -953559564, now seen corresponding path program 1 times [2019-11-20 06:12:32,803 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 06:12:32,803 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330389583] [2019-11-20 06:12:32,804 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 06:12:32,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:12:32,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:12:32,931 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330389583] [2019-11-20 06:12:32,931 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 06:12:32,931 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-20 06:12:32,932 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685861925] [2019-11-20 06:12:32,932 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-20 06:12:32,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 06:12:32,933 INFO L82 PathProgramCache]: Analyzing trace with hash -1296812605, now seen corresponding path program 1 times [2019-11-20 06:12:32,933 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 06:12:32,933 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151958567] [2019-11-20 06:12:32,933 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 06:12:32,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 06:12:32,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 06:12:32,971 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 06:12:33,062 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 06:12:33,062 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 06:12:33,063 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 06:12:33,063 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 06:12:33,063 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-20 06:12:33,063 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 06:12:33,063 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 06:12:33,063 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 06:12:33,063 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec6_product21.cil.c_Iteration2_Loop [2019-11-20 06:12:33,064 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 06:12:33,064 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 06:12:33,065 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 06:12:33,074 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 06:12:33,078 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 06:12:33,087 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 06:12:33,097 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 06:12:33,101 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 06:12:33,108 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 06:12:33,306 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 06:12:33,306 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_691d36f1-c430-4a04-899a-09afac25973e/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 06:12:33,312 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 06:12:33,312 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_691d36f1-c430-4a04-899a-09afac25973e/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 06:12:33,333 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-20 06:12:33,333 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 06:12:33,343 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-20 06:12:33,345 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 06:12:33,345 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 06:12:33,346 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 06:12:33,346 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 06:12:33,346 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 06:12:33,346 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 06:12:33,346 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 06:12:33,346 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 06:12:33,346 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec6_product21.cil.c_Iteration2_Loop [2019-11-20 06:12:33,346 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 06:12:33,347 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 06:12:33,349 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 06:12:33,364 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 06:12:33,374 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 06:12:33,377 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 06:12:33,387 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 06:12:33,391 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 06:12:33,400 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 06:12:33,580 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 06:12:33,580 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_691d36f1-c430-4a04-899a-09afac25973e/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 06:12:33,592 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 06:12:33,594 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 06:12:33,595 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 06:12:33,595 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 06:12:33,595 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-20 06:12:33,595 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 06:12:33,599 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 06:12:33,600 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 06:12:33,604 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_691d36f1-c430-4a04-899a-09afac25973e/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 06:12:33,625 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 06:12:33,627 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 06:12:33,627 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 06:12:33,627 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 06:12:33,627 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 06:12:33,627 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 06:12:33,631 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 06:12:33,631 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 06:12:33,636 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 06:12:33,641 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-20 06:12:33,641 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_691d36f1-c430-4a04-899a-09afac25973e/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 06:12:33,660 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-20 06:12:33,660 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-20 06:12:33,661 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 06:12:33,661 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 7 Supporting invariants [] [2019-11-20 06:12:33,665 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 06:12:33,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 06:12:33,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:12:33,885 INFO L255 TraceCheckSpWp]: Trace formula consists of 625 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 06:12:33,891 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 06:12:33,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:12:33,941 INFO L255 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-20 06:12:33,942 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 06:12:34,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:12:34,064 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2019-11-20 06:12:34,065 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 541 states and 985 transitions. cyclomatic complexity: 446 Second operand 4 states. [2019-11-20 06:12:34,117 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. [2019-11-20 06:12:34,118 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 [2019-11-20 06:12:34,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-20 06:12:34,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 515 transitions. [2019-11-20 06:12:34,119 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 515 transitions. Stem has 20 letters. Loop has 9 letters. [2019-11-20 06:12:34,120 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 06:12:34,121 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 515 transitions. Stem has 29 letters. Loop has 9 letters. [2019-11-20 06:12:34,121 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 06:12:34,121 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 515 transitions. Stem has 20 letters. Loop has 18 letters. [2019-11-20 06:12:34,128 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 06:12:34,128 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1055 states and 1929 transitions. [2019-11-20 06:12:34,139 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 06:12:34,139 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1055 states to 0 states and 0 transitions. [2019-11-20 06:12:34,139 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-20 06:12:34,140 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-20 06:12:34,140 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-20 06:12:34,140 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 06:12:34,140 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 06:12:34,140 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 06:12:34,143 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 06:12:34,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 06:12:34,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 06:12:34,144 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 5 states. [2019-11-20 06:12:34,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 06:12:34,144 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2019-11-20 06:12:34,144 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-20 06:12:34,145 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2019-11-20 06:12:34,145 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 06:12:34,145 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2019-11-20 06:12:34,145 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-20 06:12:34,145 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-20 06:12:34,146 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-20 06:12:34,146 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 06:12:34,146 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 06:12:34,146 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 06:12:34,146 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 06:12:34,146 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-20 06:12:34,147 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-20 06:12:34,147 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 06:12:34,147 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-20 06:12:34,155 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 06:12:34 BoogieIcfgContainer [2019-11-20 06:12:34,155 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-20 06:12:34,156 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 06:12:34,156 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 06:12:34,156 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 06:12:34,157 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:12:30" (3/4) ... [2019-11-20 06:12:34,161 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-20 06:12:34,161 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 06:12:34,165 INFO L168 Benchmark]: Toolchain (without parser) took 7666.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 212.3 MB). Free memory was 940.7 MB in the beginning and 1.2 GB in the end (delta: -215.1 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 06:12:34,165 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 06:12:34,167 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1034.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -139.6 MB). Peak memory consumption was 29.7 MB. Max. memory is 11.5 GB. [2019-11-20 06:12:34,168 INFO L168 Benchmark]: Boogie Procedure Inliner took 154.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2019-11-20 06:12:34,170 INFO L168 Benchmark]: Boogie Preprocessor took 125.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2019-11-20 06:12:34,175 INFO L168 Benchmark]: RCFGBuilder took 2946.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 913.3 MB in the end (delta: 134.7 MB). Peak memory consumption was 197.6 MB. Max. memory is 11.5 GB. [2019-11-20 06:12:34,176 INFO L168 Benchmark]: BuchiAutomizer took 3396.21 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 76.5 MB). Free memory was 913.3 MB in the beginning and 1.2 GB in the end (delta: -242.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 06:12:34,177 INFO L168 Benchmark]: Witness Printer took 5.72 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 06:12:34,186 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1034.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -139.6 MB). Peak memory consumption was 29.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 154.16 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 125.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2946.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 913.3 MB in the end (delta: 134.7 MB). Peak memory consumption was 197.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 3396.21 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 76.5 MB). Free memory was 913.3 MB in the beginning and 1.2 GB in the end (delta: -242.4 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 5.72 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 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 3.3s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.7s. Construction of modules took 0.0s. Büchi inclusion checks took 1.1s. 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 0.1s 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: 4885 SDtfs, 4384 SDslu, 6407 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: unsat Degree: 0 Time: 24ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...