./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/email_spec8_product34.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_7a56a4a6-b01b-4c16-9eb7-447003d82370/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_7a56a4a6-b01b-4c16-9eb7-447003d82370/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_7a56a4a6-b01b-4c16-9eb7-447003d82370/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_7a56a4a6-b01b-4c16-9eb7-447003d82370/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/email_spec8_product34.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_7a56a4a6-b01b-4c16-9eb7-447003d82370/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_7a56a4a6-b01b-4c16-9eb7-447003d82370/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 beca2396dd0c4df2b9f30a7ac45dfa0b9dd3a08c ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 02:32:23,756 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 02:32:23,758 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 02:32:23,768 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 02:32:23,769 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 02:32:23,770 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 02:32:23,771 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 02:32:23,773 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 02:32:23,774 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 02:32:23,775 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 02:32:23,776 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 02:32:23,777 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 02:32:23,777 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 02:32:23,778 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 02:32:23,779 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 02:32:23,780 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 02:32:23,781 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 02:32:23,782 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 02:32:23,784 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 02:32:23,786 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 02:32:23,788 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 02:32:23,789 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 02:32:23,790 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 02:32:23,791 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 02:32:23,793 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 02:32:23,794 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 02:32:23,794 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 02:32:23,795 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 02:32:23,795 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 02:32:23,796 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 02:32:23,796 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 02:32:23,797 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 02:32:23,797 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 02:32:23,798 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 02:32:23,799 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 02:32:23,799 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 02:32:23,800 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 02:32:23,800 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 02:32:23,800 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 02:32:23,801 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 02:32:23,801 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 02:32:23,802 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_7a56a4a6-b01b-4c16-9eb7-447003d82370/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-20 02:32:23,817 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 02:32:23,819 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 02:32:23,820 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 02:32:23,821 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 02:32:23,821 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 02:32:23,821 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-20 02:32:23,821 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-20 02:32:23,821 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-20 02:32:23,821 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-20 02:32:23,822 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-20 02:32:23,822 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-20 02:32:23,822 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 02:32:23,822 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 02:32:23,822 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 02:32:23,823 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 02:32:23,823 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 02:32:23,823 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 02:32:23,823 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-20 02:32:23,823 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-20 02:32:23,824 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-20 02:32:23,824 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 02:32:23,824 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 02:32:23,824 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-20 02:32:23,824 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 02:32:23,824 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-20 02:32:23,825 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 02:32:23,825 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 02:32:23,825 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-20 02:32:23,825 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 02:32:23,825 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 02:32:23,826 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-20 02:32:23,826 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-20 02:32:23,827 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_7a56a4a6-b01b-4c16-9eb7-447003d82370/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 -> beca2396dd0c4df2b9f30a7ac45dfa0b9dd3a08c [2019-11-20 02:32:23,960 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 02:32:23,970 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 02:32:23,973 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 02:32:23,974 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 02:32:23,975 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 02:32:23,975 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_7a56a4a6-b01b-4c16-9eb7-447003d82370/bin/uautomizer/../../sv-benchmarks/c/product-lines/email_spec8_product34.cil.c [2019-11-20 02:32:24,024 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7a56a4a6-b01b-4c16-9eb7-447003d82370/bin/uautomizer/data/0769669f2/f4a67329c28b4ec997fcba7fb3e50b5e/FLAG08e1de708 [2019-11-20 02:32:24,543 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 02:32:24,550 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_7a56a4a6-b01b-4c16-9eb7-447003d82370/sv-benchmarks/c/product-lines/email_spec8_product34.cil.c [2019-11-20 02:32:24,577 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7a56a4a6-b01b-4c16-9eb7-447003d82370/bin/uautomizer/data/0769669f2/f4a67329c28b4ec997fcba7fb3e50b5e/FLAG08e1de708 [2019-11-20 02:32:24,826 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_7a56a4a6-b01b-4c16-9eb7-447003d82370/bin/uautomizer/data/0769669f2/f4a67329c28b4ec997fcba7fb3e50b5e [2019-11-20 02:32:24,828 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 02:32:24,829 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 02:32:24,830 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 02:32:24,830 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 02:32:24,833 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 02:32:24,834 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:32:24" (1/1) ... [2019-11-20 02:32:24,836 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49f20ffe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:32:24, skipping insertion in model container [2019-11-20 02:32:24,837 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:32:24" (1/1) ... [2019-11-20 02:32:24,843 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 02:32:24,914 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 02:32:25,509 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 02:32:25,523 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 02:32:25,649 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 02:32:25,749 INFO L192 MainTranslator]: Completed translation [2019-11-20 02:32:25,750 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:32:25 WrapperNode [2019-11-20 02:32:25,750 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 02:32:25,752 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 02:32:25,753 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 02:32:25,753 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 02:32:25,761 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:32:25" (1/1) ... [2019-11-20 02:32:25,805 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:32:25" (1/1) ... [2019-11-20 02:32:25,985 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 02:32:25,986 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 02:32:25,986 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 02:32:25,986 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 02:32:25,995 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:32:25" (1/1) ... [2019-11-20 02:32:25,995 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:32:25" (1/1) ... [2019-11-20 02:32:26,021 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:32:25" (1/1) ... [2019-11-20 02:32:26,022 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:32:25" (1/1) ... [2019-11-20 02:32:26,076 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:32:25" (1/1) ... [2019-11-20 02:32:26,097 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:32:25" (1/1) ... [2019-11-20 02:32:26,108 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:32:25" (1/1) ... [2019-11-20 02:32:26,125 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 02:32:26,126 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 02:32:26,126 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 02:32:26,126 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 02:32:26,127 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:32:25" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7a56a4a6-b01b-4c16-9eb7-447003d82370/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:32:26,184 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-11-20 02:32:26,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 02:32:26,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-20 02:32:26,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 02:32:26,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 02:32:30,118 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 02:32:30,118 INFO L285 CfgBuilder]: Removed 861 assume(true) statements. [2019-11-20 02:32:30,120 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:32:30 BoogieIcfgContainer [2019-11-20 02:32:30,120 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 02:32:30,121 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-20 02:32:30,121 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-20 02:32:30,124 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-20 02:32:30,124 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 02:32:30,128 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 02:32:24" (1/3) ... [2019-11-20 02:32:30,130 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5a352862 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 02:32:30, skipping insertion in model container [2019-11-20 02:32:30,130 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 02:32:30,130 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:32:25" (2/3) ... [2019-11-20 02:32:30,130 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5a352862 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 02:32:30, skipping insertion in model container [2019-11-20 02:32:30,130 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 02:32:30,130 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:32:30" (3/3) ... [2019-11-20 02:32:30,135 INFO L371 chiAutomizerObserver]: Analyzing ICFG email_spec8_product34.cil.c [2019-11-20 02:32:30,182 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-20 02:32:30,182 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-20 02:32:30,182 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-20 02:32:30,182 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 02:32:30,182 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 02:32:30,183 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-20 02:32:30,183 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 02:32:30,183 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-20 02:32:30,229 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1260 states. [2019-11-20 02:32:30,303 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 255 [2019-11-20 02:32:30,303 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 02:32:30,303 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 02:32:30,312 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 02:32:30,312 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-11-20 02:32:30,312 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-20 02:32:30,312 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1260 states. [2019-11-20 02:32:30,332 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 255 [2019-11-20 02:32:30,332 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 02:32:30,332 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 02:32:30,334 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 02:32:30,334 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-11-20 02:32:30,340 INFO L794 eck$LassoCheckResult]: Stem: 389#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;~__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;~in_encrypted~0 := 0;call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(17);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(17);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(13);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(17);~head~0.base, ~head~0.offset := 0, 0;call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(30);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(9);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(21);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(30);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(9);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(21);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(30);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(9);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(25);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(30);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(9);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(25);~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(44);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(44);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(11);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(19);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string68.base, #t~string68.offset, 1);call write~init~int(100, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(10, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 3 + #t~string68.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string71.base, #t~string71.offset, 1);call write~init~int(100, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(10, #t~string71.base, 2 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 3 + #t~string71.offset, 1);~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(10);call #t~string85.base, #t~string85.offset := #Ultimate.allocOnStack(34);call #t~string88.base, #t~string88.offset := #Ultimate.allocOnStack(30);call #t~string92.base, #t~string92.offset := #Ultimate.allocOnStack(16);call #t~string101.base, #t~string101.offset := #Ultimate.allocOnStack(20);call #t~string104.base, #t~string104.offset := #Ultimate.allocOnStack(21);~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;call #t~string124.base, #t~string124.offset := #Ultimate.allocOnStack(10);call #t~string127.base, #t~string127.offset := #Ultimate.allocOnStack(12);call #t~string130.base, #t~string130.offset := #Ultimate.allocOnStack(10);call #t~string133.base, #t~string133.offset := #Ultimate.allocOnStack(18);call #t~string136.base, #t~string136.offset := #Ultimate.allocOnStack(16);call #t~string139.base, #t~string139.offset := #Ultimate.allocOnStack(21);call #t~string142.base, #t~string142.offset := #Ultimate.allocOnStack(13);call #t~string145.base, #t~string145.offset := #Ultimate.allocOnStack(16);call #t~string148.base, #t~string148.offset := #Ultimate.allocOnStack(25); 303#L-1true havoc main_#res;havoc main_#t~ret63, main_~retValue_acc~23, main_~tmp~7;havoc main_~retValue_acc~23;havoc main_~tmp~7; 108#L93true havoc valid_product_#res;havoc valid_product_~retValue_acc~2;havoc valid_product_~retValue_acc~2;valid_product_~retValue_acc~2 := 1;valid_product_#res := valid_product_~retValue_acc~2; 944#L101true main_#t~ret63 := valid_product_#res;main_~tmp~7 := main_#t~ret63;havoc main_#t~ret63; 168#L1763true assume 0 != main_~tmp~7;havoc setup_#t~nondet58, setup_#t~nondet60, setup_#t~nondet62, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset, setup_~__cil_tmp3~2.base, setup_~__cil_tmp3~2.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset;havoc setup_~__cil_tmp3~2.base, setup_~__cil_tmp3~2.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setup_bob__wrappee__Base_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__wrappee__Base_~bob___0;setup_bob__wrappee__Base_~bob___0 := setup_bob__wrappee__Base_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__wrappee__Base_~bob___0, setup_bob__wrappee__Base_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 283#L1169true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 1235#L1175-2true 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; 1258#L734true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 931#L740-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string57.base, #t~string57.offset;havoc setup_#t~nondet58;~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; 287#L1169-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 1217#L1175-5true 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; 1259#L734-2true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 939#L740-5true setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset := #t~string59.base, #t~string59.offset;havoc setup_#t~nondet60;~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; 266#L1169-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 1225#L1175-8true 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; 1262#L734-4true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 922#L740-8true setup_~__cil_tmp3~2.base, setup_~__cil_tmp3~2.offset := #t~string61.base, #t~string61.offset;havoc setup_#t~nondet62; 1085#L1750true havoc test_#t~nondet112, test_#t~nondet113, test_#t~nondet114, test_#t~nondet115, test_#t~nondet116, test_#t~nondet117, test_#t~nondet118, test_#t~nondet119, test_#t~nondet120, test_#t~nondet121, test_#t~nondet122, 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~19, test_~tmp___0~6, test_~tmp___1~4, test_~tmp___2~3, test_~tmp___3~1, test_~tmp___4~1, 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~19;havoc test_~tmp___0~6;havoc test_~tmp___1~4;havoc test_~tmp___2~3;havoc test_~tmp___3~1;havoc test_~tmp___4~1;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; 109#L2912-1true [2019-11-20 02:32:30,341 INFO L796 eck$LassoCheckResult]: Loop: 109#L2912-1true assume !false; 1034#L2764true assume test_~splverifierCounter~0 < 4; 772#L2765true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 530#L2771true assume !(0 == test_~op1~0); 1005#L2784true assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet113;havoc test_#t~nondet113; 595#L2789true assume 0 != test_~tmp___8~0;test_~op2~0 := 1; 109#L2912-1true [2019-11-20 02:32:30,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:32:30,349 INFO L82 PathProgramCache]: Analyzing trace with hash 1291925977, now seen corresponding path program 1 times [2019-11-20 02:32:30,357 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:32:30,358 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431375497] [2019-11-20 02:32:30,358 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:32:30,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:32:30,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:32:30,711 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431375497] [2019-11-20 02:32:30,712 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 02:32:30,712 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 02:32:30,713 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109130753] [2019-11-20 02:32:30,717 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-20 02:32:30,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:32:30,718 INFO L82 PathProgramCache]: Analyzing trace with hash 590492675, now seen corresponding path program 1 times [2019-11-20 02:32:30,718 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:32:30,718 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604074736] [2019-11-20 02:32:30,718 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:32:30,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:32:30,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:32:30,785 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 02:32:30,853 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 02:32:30,853 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 02:32:30,853 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 02:32:30,854 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 02:32:30,854 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-20 02:32:30,854 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:32:30,854 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 02:32:30,855 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 02:32:30,855 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec8_product34.cil.c_Iteration1_Loop [2019-11-20 02:32:30,855 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 02:32:30,855 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 02:32:30,878 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:32:30,898 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:32:30,910 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:32:30,918 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:32:31,025 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 02:32:31,026 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7a56a4a6-b01b-4c16-9eb7-447003d82370/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:32:31,048 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 02:32:31,048 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_7a56a4a6-b01b-4c16-9eb7-447003d82370/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:32:31,071 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-20 02:32:31,071 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:32:31,081 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-20 02:32:31,084 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 02:32:31,084 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 02:32:31,084 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 02:32:31,084 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 02:32:31,084 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 02:32:31,085 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:32:31,085 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 02:32:31,085 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 02:32:31,085 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec8_product34.cil.c_Iteration1_Loop [2019-11-20 02:32:31,085 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 02:32:31,085 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 02:32:31,087 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 02:32:31,101 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 02:32:31,120 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:32:31,133 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:32:31,233 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 02:32:31,238 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7a56a4a6-b01b-4c16-9eb7-447003d82370/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:32:31,261 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:32:31,263 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:32:31,263 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:32:31,264 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:32:31,264 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:32:31,264 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:32:31,268 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 02:32:31,268 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:32:31,272 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 02:32:31,334 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-20 02:32:31,334 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_7a56a4a6-b01b-4c16-9eb7-447003d82370/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:32:31,367 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-20 02:32:31,367 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-20 02:32:31,368 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 02:32:31,368 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 02:32:31,374 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 02:32:31,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:32:31,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:32:31,591 INFO L255 TraceCheckSpWp]: Trace formula consists of 641 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 02:32:31,595 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 02:32:31,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:32:31,642 INFO L255 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-20 02:32:31,643 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 02:32:31,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:32:31,689 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 02:32:31,691 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1260 states. Second operand 4 states. [2019-11-20 02:32:32,041 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1260 states.. Second operand 4 states. Result 5930 states and 10132 transitions. Complement of second has 7 states. [2019-11-20 02:32:32,042 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-20 02:32:32,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-20 02:32:32,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5918 transitions. [2019-11-20 02:32:32,053 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 5918 transitions. Stem has 18 letters. Loop has 6 letters. [2019-11-20 02:32:32,054 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 02:32:32,055 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 5918 transitions. Stem has 24 letters. Loop has 6 letters. [2019-11-20 02:32:32,055 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 02:32:32,055 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 5918 transitions. Stem has 18 letters. Loop has 12 letters. [2019-11-20 02:32:32,056 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 02:32:32,057 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 5930 states and 10132 transitions. [2019-11-20 02:32:32,119 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 509 [2019-11-20 02:32:32,136 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 5930 states to 1051 states and 1924 transitions. [2019-11-20 02:32:32,137 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 540 [2019-11-20 02:32:32,139 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 541 [2019-11-20 02:32:32,140 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1051 states and 1924 transitions. [2019-11-20 02:32:32,143 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 02:32:32,144 INFO L688 BuchiCegarLoop]: Abstraction has 1051 states and 1924 transitions. [2019-11-20 02:32:32,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1051 states and 1924 transitions. [2019-11-20 02:32:32,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1051 to 542. [2019-11-20 02:32:32,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 542 states. [2019-11-20 02:32:32,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 989 transitions. [2019-11-20 02:32:32,219 INFO L711 BuchiCegarLoop]: Abstraction has 542 states and 989 transitions. [2019-11-20 02:32:32,219 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 02:32:32,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 02:32:32,222 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 02:32:32,223 INFO L87 Difference]: Start difference. First operand 542 states and 989 transitions. Second operand 3 states. [2019-11-20 02:32:32,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 02:32:32,273 INFO L93 Difference]: Finished difference Result 1064 states and 1943 transitions. [2019-11-20 02:32:32,273 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 02:32:32,274 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1064 states and 1943 transitions. [2019-11-20 02:32:32,284 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 510 [2019-11-20 02:32:32,294 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1064 states to 1064 states and 1943 transitions. [2019-11-20 02:32:32,294 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 552 [2019-11-20 02:32:32,296 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 552 [2019-11-20 02:32:32,296 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1064 states and 1943 transitions. [2019-11-20 02:32:32,298 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 02:32:32,298 INFO L688 BuchiCegarLoop]: Abstraction has 1064 states and 1943 transitions. [2019-11-20 02:32:32,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1064 states and 1943 transitions. [2019-11-20 02:32:32,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1064 to 541. [2019-11-20 02:32:32,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 541 states. [2019-11-20 02:32:32,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 985 transitions. [2019-11-20 02:32:32,313 INFO L711 BuchiCegarLoop]: Abstraction has 541 states and 985 transitions. [2019-11-20 02:32:32,313 INFO L591 BuchiCegarLoop]: Abstraction has 541 states and 985 transitions. [2019-11-20 02:32:32,313 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-20 02:32:32,313 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 541 states and 985 transitions. [2019-11-20 02:32:32,316 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 255 [2019-11-20 02:32:32,316 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 02:32:32,317 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 02:32:32,319 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 02:32:32,319 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 02:32:32,320 INFO L794 eck$LassoCheckResult]: Stem: 9214#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;~__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;~in_encrypted~0 := 0;call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(17);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(17);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(13);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(17);~head~0.base, ~head~0.offset := 0, 0;call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(30);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(9);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(21);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(30);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(9);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(21);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(30);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(9);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(25);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(30);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(9);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(25);~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(44);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(44);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(11);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(19);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string68.base, #t~string68.offset, 1);call write~init~int(100, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(10, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 3 + #t~string68.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string71.base, #t~string71.offset, 1);call write~init~int(100, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(10, #t~string71.base, 2 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 3 + #t~string71.offset, 1);~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(10);call #t~string85.base, #t~string85.offset := #Ultimate.allocOnStack(34);call #t~string88.base, #t~string88.offset := #Ultimate.allocOnStack(30);call #t~string92.base, #t~string92.offset := #Ultimate.allocOnStack(16);call #t~string101.base, #t~string101.offset := #Ultimate.allocOnStack(20);call #t~string104.base, #t~string104.offset := #Ultimate.allocOnStack(21);~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;call #t~string124.base, #t~string124.offset := #Ultimate.allocOnStack(10);call #t~string127.base, #t~string127.offset := #Ultimate.allocOnStack(12);call #t~string130.base, #t~string130.offset := #Ultimate.allocOnStack(10);call #t~string133.base, #t~string133.offset := #Ultimate.allocOnStack(18);call #t~string136.base, #t~string136.offset := #Ultimate.allocOnStack(16);call #t~string139.base, #t~string139.offset := #Ultimate.allocOnStack(21);call #t~string142.base, #t~string142.offset := #Ultimate.allocOnStack(13);call #t~string145.base, #t~string145.offset := #Ultimate.allocOnStack(16);call #t~string148.base, #t~string148.offset := #Ultimate.allocOnStack(25); 8911#L-1 havoc main_#res;havoc main_#t~ret63, main_~retValue_acc~23, main_~tmp~7;havoc main_~retValue_acc~23;havoc main_~tmp~7; 8912#L93 havoc valid_product_#res;havoc valid_product_~retValue_acc~2;havoc valid_product_~retValue_acc~2;valid_product_~retValue_acc~2 := 1;valid_product_#res := valid_product_~retValue_acc~2; 9261#L101 main_#t~ret63 := valid_product_#res;main_~tmp~7 := main_#t~ret63;havoc main_#t~ret63; 9353#L1763 assume 0 != main_~tmp~7;havoc setup_#t~nondet58, setup_#t~nondet60, setup_#t~nondet62, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset, setup_~__cil_tmp3~2.base, setup_~__cil_tmp3~2.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset;havoc setup_~__cil_tmp3~2.base, setup_~__cil_tmp3~2.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setup_bob__wrappee__Base_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__wrappee__Base_~bob___0;setup_bob__wrappee__Base_~bob___0 := setup_bob__wrappee__Base_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__wrappee__Base_~bob___0, setup_bob__wrappee__Base_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 9354#L1169 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 9275#L1175-2 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; 9432#L734 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 9328#L740-2 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string57.base, #t~string57.offset;havoc setup_#t~nondet58;~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; 9431#L1169-2 assume !(1 == setClientId_~handle); 9292#L1172-2 assume 2 == setClientId_~handle;~__ste_client_idCounter1~0 := setClientId_~value; 9293#L1175-5 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; 9429#L734-2 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 9333#L740-5 setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset := #t~string59.base, #t~string59.offset;havoc setup_#t~nondet60;~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; 9433#L1169-4 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 9316#L1175-8 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; 9430#L734-4 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 9286#L740-8 setup_~__cil_tmp3~2.base, setup_~__cil_tmp3~2.offset := #t~string61.base, #t~string61.offset;havoc setup_#t~nondet62; 9325#L1750 havoc test_#t~nondet112, test_#t~nondet113, test_#t~nondet114, test_#t~nondet115, test_#t~nondet116, test_#t~nondet117, test_#t~nondet118, test_#t~nondet119, test_#t~nondet120, test_#t~nondet121, test_#t~nondet122, 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~19, test_~tmp___0~6, test_~tmp___1~4, test_~tmp___2~3, test_~tmp___3~1, test_~tmp___4~1, 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~19;havoc test_~tmp___0~6;havoc test_~tmp___1~4;havoc test_~tmp___2~3;havoc test_~tmp___3~1;havoc test_~tmp___4~1;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; 9326#L2912-1 assume !false; 9168#L2764 [2019-11-20 02:32:32,320 INFO L796 eck$LassoCheckResult]: Loop: 9168#L2764 assume test_~splverifierCounter~0 < 4; 9169#L2765 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 9361#L2771 assume !(0 == test_~op1~0); 9117#L2784 assume !(0 == test_~op2~0); 9091#L2795 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet114;havoc test_#t~nondet114; 9093#L2800 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; 9162#L734-6 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 9307#L740-11 test_~op3~0 := 1; 8908#L2912-1 assume !false; 9168#L2764 [2019-11-20 02:32:32,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:32:32,320 INFO L82 PathProgramCache]: Analyzing trace with hash -953559564, now seen corresponding path program 1 times [2019-11-20 02:32:32,320 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:32:32,321 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275556085] [2019-11-20 02:32:32,321 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:32:32,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:32:32,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:32:32,432 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275556085] [2019-11-20 02:32:32,432 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 02:32:32,432 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-20 02:32:32,433 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64464273] [2019-11-20 02:32:32,433 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-20 02:32:32,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:32:32,433 INFO L82 PathProgramCache]: Analyzing trace with hash -1296812605, now seen corresponding path program 1 times [2019-11-20 02:32:32,433 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:32:32,434 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155368464] [2019-11-20 02:32:32,434 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:32:32,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:32:32,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:32:32,468 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 02:32:32,603 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2019-11-20 02:32:32,639 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 02:32:32,640 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 02:32:32,640 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 02:32:32,640 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 02:32:32,640 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-20 02:32:32,640 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:32:32,640 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 02:32:32,640 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 02:32:32,641 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec8_product34.cil.c_Iteration2_Loop [2019-11-20 02:32:32,641 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 02:32:32,641 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 02:32:32,642 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:32:32,652 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:32:32,661 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:32:32,667 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:32:32,674 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:32:32,683 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:32:32,686 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:32:32,877 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 02:32:32,877 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7a56a4a6-b01b-4c16-9eb7-447003d82370/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:32:32,888 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 02:32:32,888 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-20 02:32:32,898 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 02:32:32,898 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_#t~nondet114=-4, ULTIMATE.start_test_~tmp___7~0=-4} Honda state: {ULTIMATE.start_test_#t~nondet114=-4, ULTIMATE.start_test_~tmp___7~0=-4} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7a56a4a6-b01b-4c16-9eb7-447003d82370/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) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:32:32,915 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 02:32:32,916 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-20 02:32:32,925 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 02:32:32,926 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_setClientPrivateKey_#in~value=0, ULTIMATE.start_setClientPrivateKey_~value=0, ~__ste_client_privateKey0~0=0} Honda state: {ULTIMATE.start_setClientPrivateKey_#in~value=0, ULTIMATE.start_setClientPrivateKey_~value=0, ~__ste_client_privateKey0~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7a56a4a6-b01b-4c16-9eb7-447003d82370/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 02:32:32,941 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 02:32:32,941 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7a56a4a6-b01b-4c16-9eb7-447003d82370/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 02:32:32,960 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-20 02:32:32,960 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:32:32,974 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-20 02:32:32,979 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 02:32:32,979 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 02:32:32,979 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 02:32:32,979 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 02:32:32,979 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 02:32:32,979 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:32:32,980 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 02:32:32,980 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 02:32:32,980 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec8_product34.cil.c_Iteration2_Loop [2019-11-20 02:32:32,980 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 02:32:32,980 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 02:32:32,981 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:32:32,996 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:32:33,003 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:32:33,012 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:32:33,016 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:32:33,019 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:32:33,033 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:32:33,243 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 02:32:33,243 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7a56a4a6-b01b-4c16-9eb7-447003d82370/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) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:32:33,274 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:32:33,276 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:32:33,276 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:32:33,276 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:32:33,276 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-20 02:32:33,276 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:32:33,282 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 02:32:33,282 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 02:32:33,292 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7a56a4a6-b01b-4c16-9eb7-447003d82370/bin/uautomizer/z3 Starting monitored process 11 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 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:32:33,300 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:32:33,301 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:32:33,301 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:32:33,302 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:32:33,302 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:32:33,302 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:32:33,302 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 02:32:33,303 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 02:32:33,304 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 02:32:33,309 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-20 02:32:33,310 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_7a56a4a6-b01b-4c16-9eb7-447003d82370/bin/uautomizer/z3 Starting monitored process 12 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 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:32:33,318 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-20 02:32:33,319 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-20 02:32:33,319 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 02:32:33,319 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 7 Supporting invariants [] [2019-11-20 02:32:33,321 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-11-20 02:32:33,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:32:33,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:32:33,500 INFO L255 TraceCheckSpWp]: Trace formula consists of 643 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 02:32:33,502 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 02:32:33,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:32:33,558 INFO L255 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-20 02:32:33,559 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 02:32:33,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:32:33,595 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2019-11-20 02:32:33,596 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 541 states and 985 transitions. cyclomatic complexity: 446 Second operand 4 states. [2019-11-20 02:32:33,633 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 02:32:33,634 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 02:32:33,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-20 02:32:33,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 515 transitions. [2019-11-20 02:32:33,635 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 515 transitions. Stem has 20 letters. Loop has 9 letters. [2019-11-20 02:32:33,636 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 02:32:33,636 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 515 transitions. Stem has 29 letters. Loop has 9 letters. [2019-11-20 02:32:33,636 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 02:32:33,636 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 515 transitions. Stem has 20 letters. Loop has 18 letters. [2019-11-20 02:32:33,637 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 02:32:33,637 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1055 states and 1929 transitions. [2019-11-20 02:32:33,645 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 02:32:33,646 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1055 states to 0 states and 0 transitions. [2019-11-20 02:32:33,646 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-20 02:32:33,646 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-20 02:32:33,646 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-20 02:32:33,646 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 02:32:33,646 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 02:32:33,646 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 02:32:33,647 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 02:32:33,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 02:32:33,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 02:32:33,647 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 5 states. [2019-11-20 02:32:33,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 02:32:33,647 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2019-11-20 02:32:33,647 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-20 02:32:33,648 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2019-11-20 02:32:33,648 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 02:32:33,648 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2019-11-20 02:32:33,648 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-20 02:32:33,648 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-20 02:32:33,648 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-20 02:32:33,648 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 02:32:33,648 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 02:32:33,649 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 02:32:33,649 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 02:32:33,649 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-20 02:32:33,649 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-20 02:32:33,649 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 02:32:33,649 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-20 02:32:33,655 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 02:32:33 BoogieIcfgContainer [2019-11-20 02:32:33,655 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-20 02:32:33,656 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 02:32:33,656 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 02:32:33,656 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 02:32:33,656 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:32:30" (3/4) ... [2019-11-20 02:32:33,659 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-20 02:32:33,660 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 02:32:33,661 INFO L168 Benchmark]: Toolchain (without parser) took 8832.16 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 224.4 MB). Free memory was 946.1 MB in the beginning and 1.0 GB in the end (delta: -67.1 MB). Peak memory consumption was 157.3 MB. Max. memory is 11.5 GB. [2019-11-20 02:32:33,662 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 02:32:33,663 INFO L168 Benchmark]: CACSL2BoogieTranslator took 921.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.3 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -155.7 MB). Peak memory consumption was 29.8 MB. Max. memory is 11.5 GB. [2019-11-20 02:32:33,663 INFO L168 Benchmark]: Boogie Procedure Inliner took 233.09 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.6 MB). Peak memory consumption was 21.6 MB. Max. memory is 11.5 GB. [2019-11-20 02:32:33,664 INFO L168 Benchmark]: Boogie Preprocessor took 139.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2019-11-20 02:32:33,665 INFO L168 Benchmark]: RCFGBuilder took 3994.64 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 67.1 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -108.8 MB). Peak memory consumption was 192.3 MB. Max. memory is 11.5 GB. [2019-11-20 02:32:33,665 INFO L168 Benchmark]: BuchiAutomizer took 3534.66 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.0 GB in the end (delta: 154.3 MB). Peak memory consumption was 154.3 MB. Max. memory is 11.5 GB. [2019-11-20 02:32:33,665 INFO L168 Benchmark]: Witness Printer took 4.04 ms. Allocated memory is still 1.3 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 02:32:33,669 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 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 921.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.3 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -155.7 MB). Peak memory consumption was 29.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 233.09 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.6 MB). Peak memory consumption was 21.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 139.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 3994.64 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 67.1 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -108.8 MB). Peak memory consumption was 192.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 3534.66 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.0 GB in the end (delta: 154.3 MB). Peak memory consumption was 154.3 MB. Max. memory is 11.5 GB. * Witness Printer took 4.04 ms. Allocated memory is still 1.3 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 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 3.4s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.9s. 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: 5765 SDtfs, 5264 SDslu, 7727 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: 48ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 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...