./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/email_spec7_product13.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_a69c27c9-326e-4eac-8890-b49dd426d64f/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_a69c27c9-326e-4eac-8890-b49dd426d64f/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a69c27c9-326e-4eac-8890-b49dd426d64f/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a69c27c9-326e-4eac-8890-b49dd426d64f/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/email_spec7_product13.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_a69c27c9-326e-4eac-8890-b49dd426d64f/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a69c27c9-326e-4eac-8890-b49dd426d64f/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 9b35b1d1efec08bea7681187b4614cf5fd3807a6 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-15 20:11:51,961 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 20:11:51,963 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 20:11:51,975 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 20:11:51,975 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 20:11:51,976 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 20:11:51,978 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 20:11:51,980 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 20:11:51,982 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 20:11:51,983 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 20:11:51,984 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 20:11:51,986 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 20:11:51,986 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 20:11:51,987 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 20:11:51,988 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 20:11:51,989 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 20:11:51,990 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 20:11:51,991 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 20:11:51,993 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 20:11:51,995 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 20:11:51,996 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 20:11:51,997 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 20:11:51,999 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 20:11:51,999 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 20:11:52,002 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 20:11:52,002 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 20:11:52,003 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 20:11:52,004 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 20:11:52,004 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 20:11:52,005 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 20:11:52,005 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 20:11:52,006 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 20:11:52,006 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 20:11:52,007 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 20:11:52,008 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 20:11:52,009 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 20:11:52,009 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 20:11:52,009 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 20:11:52,010 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 20:11:52,011 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 20:11:52,011 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 20:11:52,012 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a69c27c9-326e-4eac-8890-b49dd426d64f/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-15 20:11:52,029 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 20:11:52,029 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 20:11:52,030 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 20:11:52,031 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 20:11:52,031 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 20:11:52,031 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-15 20:11:52,032 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-15 20:11:52,032 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-15 20:11:52,032 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-15 20:11:52,032 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-15 20:11:52,033 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-15 20:11:52,033 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 20:11:52,033 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 20:11:52,033 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-15 20:11:52,034 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 20:11:52,034 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 20:11:52,034 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 20:11:52,034 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-15 20:11:52,035 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-15 20:11:52,035 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-15 20:11:52,035 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 20:11:52,036 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 20:11:52,036 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-15 20:11:52,036 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 20:11:52,036 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-15 20:11:52,037 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 20:11:52,037 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 20:11:52,037 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-15 20:11:52,038 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 20:11:52,038 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 20:11:52,038 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-15 20:11:52,039 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-15 20:11:52,039 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_a69c27c9-326e-4eac-8890-b49dd426d64f/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 -> 9b35b1d1efec08bea7681187b4614cf5fd3807a6 [2019-11-15 20:11:52,068 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 20:11:52,083 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 20:11:52,085 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 20:11:52,087 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 20:11:52,087 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 20:11:52,088 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a69c27c9-326e-4eac-8890-b49dd426d64f/bin/uautomizer/../../sv-benchmarks/c/product-lines/email_spec7_product13.cil.c [2019-11-15 20:11:52,151 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a69c27c9-326e-4eac-8890-b49dd426d64f/bin/uautomizer/data/7323ec9af/01b299da23fb47d3957a02a41aa33eb4/FLAGb1cedd988 [2019-11-15 20:11:52,687 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 20:11:52,693 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a69c27c9-326e-4eac-8890-b49dd426d64f/sv-benchmarks/c/product-lines/email_spec7_product13.cil.c [2019-11-15 20:11:52,721 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a69c27c9-326e-4eac-8890-b49dd426d64f/bin/uautomizer/data/7323ec9af/01b299da23fb47d3957a02a41aa33eb4/FLAGb1cedd988 [2019-11-15 20:11:52,934 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a69c27c9-326e-4eac-8890-b49dd426d64f/bin/uautomizer/data/7323ec9af/01b299da23fb47d3957a02a41aa33eb4 [2019-11-15 20:11:52,938 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 20:11:52,940 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 20:11:52,944 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 20:11:52,944 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 20:11:52,949 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 20:11:52,950 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 08:11:52" (1/1) ... [2019-11-15 20:11:52,953 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@366fa569 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:11:52, skipping insertion in model container [2019-11-15 20:11:52,953 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 08:11:52" (1/1) ... [2019-11-15 20:11:52,965 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 20:11:53,048 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 20:11:53,620 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 20:11:53,636 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 20:11:53,749 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 20:11:53,833 INFO L192 MainTranslator]: Completed translation [2019-11-15 20:11:53,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:11:53 WrapperNode [2019-11-15 20:11:53,834 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 20:11:53,835 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 20:11:53,835 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 20:11:53,835 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 20:11:53,844 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:11:53" (1/1) ... [2019-11-15 20:11:53,897 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:11:53" (1/1) ... [2019-11-15 20:11:53,983 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 20:11:53,983 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 20:11:53,983 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 20:11:53,984 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 20:11:53,995 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:11:53" (1/1) ... [2019-11-15 20:11:53,995 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:11:53" (1/1) ... [2019-11-15 20:11:54,001 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:11:53" (1/1) ... [2019-11-15 20:11:54,001 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:11:53" (1/1) ... [2019-11-15 20:11:54,033 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:11:53" (1/1) ... [2019-11-15 20:11:54,054 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:11:53" (1/1) ... [2019-11-15 20:11:54,063 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:11:53" (1/1) ... [2019-11-15 20:11:54,078 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 20:11:54,085 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 20:11:54,099 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 20:11:54,099 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 20:11:54,100 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:11:53" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a69c27c9-326e-4eac-8890-b49dd426d64f/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 [2019-11-15 20:11:54,196 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-11-15 20:11:54,197 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-15 20:11:54,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-15 20:11:54,197 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 20:11:54,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 20:11:56,244 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 20:11:56,244 INFO L284 CfgBuilder]: Removed 231 assume(true) statements. [2019-11-15 20:11:56,246 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 08:11:56 BoogieIcfgContainer [2019-11-15 20:11:56,246 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 20:11:56,247 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-15 20:11:56,247 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-15 20:11:56,251 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-15 20:11:56,253 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-15 20:11:56,253 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 15.11 08:11:52" (1/3) ... [2019-11-15 20:11:56,255 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3ed2bac5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.11 08:11:56, skipping insertion in model container [2019-11-15 20:11:56,255 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-15 20:11:56,255 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:11:53" (2/3) ... [2019-11-15 20:11:56,256 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3ed2bac5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.11 08:11:56, skipping insertion in model container [2019-11-15 20:11:56,256 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-15 20:11:56,256 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 08:11:56" (3/3) ... [2019-11-15 20:11:56,259 INFO L371 chiAutomizerObserver]: Analyzing ICFG email_spec7_product13.cil.c [2019-11-15 20:11:56,313 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-15 20:11:56,314 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-15 20:11:56,314 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-15 20:11:56,314 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 20:11:56,314 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 20:11:56,314 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-15 20:11:56,314 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 20:11:56,315 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-15 20:11:56,354 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 367 states. [2019-11-15 20:11:56,417 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 208 [2019-11-15 20:11:56,417 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-15 20:11:56,417 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-15 20:11:56,428 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 20:11:56,428 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-11-15 20:11:56,429 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-15 20:11:56,429 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 367 states. [2019-11-15 20:11:56,445 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 208 [2019-11-15 20:11:56,445 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-15 20:11:56,445 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-15 20:11:56,447 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 20:11:56,447 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-11-15 20:11:56,455 INFO L791 eck$LassoCheckResult]: Stem: 131#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(44);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(44);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(9);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(9);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(11);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(19);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string20.base, #t~string20.offset, 1);call write~init~int(100, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(10, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 3 + #t~string20.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string23.base, #t~string23.offset, 1);call write~init~int(100, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(10, #t~string23.base, 2 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 3 + #t~string23.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(30);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(9);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(21);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(21);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(25);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(25);~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string66.base, #t~string66.offset, 1);call write~init~int(115, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(10, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 3 + #t~string66.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(10);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(12);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(10);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(18);call #t~string81.base, #t~string81.offset := #Ultimate.allocOnStack(13);call #t~string84.base, #t~string84.offset := #Ultimate.allocOnStack(16);call #t~string87.base, #t~string87.offset := #Ultimate.allocOnStack(25);~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;call #t~string89.base, #t~string89.offset := #Ultimate.allocOnStack(10);call #t~string93.base, #t~string93.offset := #Ultimate.allocOnStack(16);call #t~string97.base, #t~string97.offset := #Ultimate.allocOnStack(20);~__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; 21#L-1true havoc main_#res;havoc main_#t~nondet14, main_#t~ret15, main_~retValue_acc~0, main_~tmp~2;main_~retValue_acc~0 := main_#t~nondet14;havoc main_#t~nondet14;havoc main_~tmp~2; 142#L759true havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; 179#L767true main_#t~ret15 := valid_product_#res;main_~tmp~2 := main_#t~ret15;havoc main_#t~ret15; 231#L238true assume 0 != main_~tmp~2;havoc setup_#t~nondet9, setup_#t~nondet11, setup_#t~nondet13, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setup_bob__wrappee__Base_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__wrappee__Base_~bob___0;setup_bob__wrappee__Base_~bob___0 := setup_bob__wrappee__Base_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__wrappee__Base_~bob___0, setup_bob__wrappee__Base_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 238#L2605true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 196#L2611-2true 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; 246#L2170true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 183#L2176-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string8.base, #t~string8.offset;havoc setup_#t~nondet9;~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; 240#L2605-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 158#L2611-5true 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; 239#L2170-2true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 195#L2176-5true setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string10.base, #t~string10.offset;havoc setup_#t~nondet11;~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; 222#L2605-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 169#L2611-8true 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; 241#L2170-4true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 166#L2176-8true setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset := #t~string12.base, #t~string12.offset;havoc setup_#t~nondet13; 149#L225true havoc test_#t~nondet108, test_#t~nondet109, test_#t~nondet110, test_#t~nondet111, test_#t~nondet112, test_#t~nondet113, test_#t~nondet114, test_#t~nondet115, test_#t~nondet116, test_#t~nondet117, test_#t~nondet118, 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~18, test_~tmp___0~5, test_~tmp___1~3, test_~tmp___2~2, 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~18;havoc test_~tmp___0~5;havoc test_~tmp___1~3;havoc test_~tmp___2~2;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; 343#L2804-1true [2019-11-15 20:11:56,455 INFO L793 eck$LassoCheckResult]: Loop: 343#L2804-1true assume !false; 299#L2662true assume test_~splverifierCounter~0 < 4; 70#L2663true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 7#L2669true assume !(0 == test_~op1~0); 247#L2682true assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet109;havoc test_#t~nondet109; 121#L2687true assume 0 != test_~tmp___8~0;test_~op2~0 := 1; 343#L2804-1true [2019-11-15 20:11:56,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:11:56,461 INFO L82 PathProgramCache]: Analyzing trace with hash 1291925977, now seen corresponding path program 1 times [2019-11-15 20:11:56,470 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:11:56,471 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407368587] [2019-11-15 20:11:56,471 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:11:56,471 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:11:56,472 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:11:56,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:11:56,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 20:11:56,877 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [407368587] [2019-11-15 20:11:56,878 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 20:11:56,879 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-15 20:11:56,879 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797150113] [2019-11-15 20:11:56,884 INFO L796 eck$LassoCheckResult]: stem already infeasible [2019-11-15 20:11:56,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:11:56,885 INFO L82 PathProgramCache]: Analyzing trace with hash 590492675, now seen corresponding path program 1 times [2019-11-15 20:11:56,885 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:11:56,885 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115938674] [2019-11-15 20:11:56,886 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:11:56,886 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:11:56,886 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:11:56,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 20:11:56,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 20:11:56,937 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 20:11:57,004 INFO L210 LassoAnalysis]: Preferences: [2019-11-15 20:11:57,005 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-11-15 20:11:57,005 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-15 20:11:57,005 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-11-15 20:11:57,006 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-11-15 20:11:57,006 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 20:11:57,006 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-15 20:11:57,006 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-11-15 20:11:57,006 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec7_product13.cil.c_Iteration1_Loop [2019-11-15 20:11:57,007 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-15 20:11:57,007 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-15 20:11:57,032 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 20:11:57,048 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 20:11:57,057 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 20:11:57,066 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 20:11:57,187 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-15 20:11:57,188 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a69c27c9-326e-4eac-8890-b49dd426d64f/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) [2019-11-15 20:11:57,204 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-15 20:11:57,204 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_a69c27c9-326e-4eac-8890-b49dd426d64f/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) [2019-11-15 20:11:57,228 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-15 20:11:57,229 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 [2019-11-15 20:11:57,236 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-15 20:11:57,239 INFO L210 LassoAnalysis]: Preferences: [2019-11-15 20:11:57,239 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-11-15 20:11:57,239 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-15 20:11:57,239 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-11-15 20:11:57,240 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-11-15 20:11:57,240 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 20:11:57,240 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-15 20:11:57,240 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-11-15 20:11:57,240 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec7_product13.cil.c_Iteration1_Loop [2019-11-15 20:11:57,240 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-15 20:11:57,241 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-15 20:11:57,242 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 20:11:57,254 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 20:11:57,268 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 20:11:57,280 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 20:11:57,394 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-15 20:11:57,400 INFO L489 LassoAnalysis]: Using template 'affine'. [2019-11-15 20:11:57,402 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 [2019-11-15 20:11:57,406 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:11:57,406 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:11:57,407 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:11:57,408 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:11:57,408 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 20:11:57,410 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 20:11:57,411 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:11:57,433 INFO L419 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-15 20:11:57,448 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-15 20:11:57,448 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2019-11-15 20:11:57,451 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-15 20:11:57,451 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-15 20:11:57,452 INFO L510 LassoAnalysis]: Proved termination. [2019-11-15 20:11:57,453 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op2~0) = -2*ULTIMATE.start_test_~op2~0 + 1 Supporting invariants [] [2019-11-15 20:11:57,457 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-11-15 20:11:57,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:11:57,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:11:57,695 INFO L256 TraceCheckSpWp]: Trace formula consists of 585 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-15 20:11:57,703 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 20:11:57,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:11:57,744 INFO L256 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-15 20:11:57,745 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 20:11:57,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 20:11:57,794 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 [2019-11-15 20:11:57,796 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 367 states. Second operand 4 states. [2019-11-15 20:11:58,060 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 367 states.. Second operand 4 states. Result 1512 states and 2644 transitions. Complement of second has 7 states. [2019-11-15 20:11:58,069 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 [2019-11-15 20:11:58,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-15 20:11:58,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1456 transitions. [2019-11-15 20:11:58,076 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1456 transitions. Stem has 18 letters. Loop has 6 letters. [2019-11-15 20:11:58,078 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-15 20:11:58,078 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1456 transitions. Stem has 24 letters. Loop has 6 letters. [2019-11-15 20:11:58,079 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-15 20:11:58,079 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1456 transitions. Stem has 18 letters. Loop has 12 letters. [2019-11-15 20:11:58,080 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-15 20:11:58,081 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1512 states and 2644 transitions. [2019-11-15 20:11:58,111 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 415 [2019-11-15 20:11:58,134 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1512 states to 863 states and 1568 transitions. [2019-11-15 20:11:58,136 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 446 [2019-11-15 20:11:58,139 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 447 [2019-11-15 20:11:58,140 INFO L73 IsDeterministic]: Start isDeterministic. Operand 863 states and 1568 transitions. [2019-11-15 20:11:58,140 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-15 20:11:58,141 INFO L688 BuchiCegarLoop]: Abstraction has 863 states and 1568 transitions. [2019-11-15 20:11:58,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 863 states and 1568 transitions. [2019-11-15 20:11:58,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 863 to 448. [2019-11-15 20:11:58,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 448 states. [2019-11-15 20:11:58,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 811 transitions. [2019-11-15 20:11:58,210 INFO L711 BuchiCegarLoop]: Abstraction has 448 states and 811 transitions. [2019-11-15 20:11:58,210 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 20:11:58,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-15 20:11:58,214 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-15 20:11:58,216 INFO L87 Difference]: Start difference. First operand 448 states and 811 transitions. Second operand 3 states. [2019-11-15 20:11:58,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 20:11:58,268 INFO L93 Difference]: Finished difference Result 876 states and 1587 transitions. [2019-11-15 20:11:58,269 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-15 20:11:58,270 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 876 states and 1587 transitions. [2019-11-15 20:11:58,278 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 416 [2019-11-15 20:11:58,288 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 876 states to 876 states and 1587 transitions. [2019-11-15 20:11:58,289 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 458 [2019-11-15 20:11:58,289 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 458 [2019-11-15 20:11:58,290 INFO L73 IsDeterministic]: Start isDeterministic. Operand 876 states and 1587 transitions. [2019-11-15 20:11:58,290 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-15 20:11:58,290 INFO L688 BuchiCegarLoop]: Abstraction has 876 states and 1587 transitions. [2019-11-15 20:11:58,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 876 states and 1587 transitions. [2019-11-15 20:11:58,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 876 to 447. [2019-11-15 20:11:58,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 447 states. [2019-11-15 20:11:58,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 447 states and 807 transitions. [2019-11-15 20:11:58,308 INFO L711 BuchiCegarLoop]: Abstraction has 447 states and 807 transitions. [2019-11-15 20:11:58,308 INFO L591 BuchiCegarLoop]: Abstraction has 447 states and 807 transitions. [2019-11-15 20:11:58,308 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-15 20:11:58,308 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 447 states and 807 transitions. [2019-11-15 20:11:58,312 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 208 [2019-11-15 20:11:58,312 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-15 20:11:58,312 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-15 20:11:58,314 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] [2019-11-15 20:11:58,314 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 20:11:58,315 INFO L791 eck$LassoCheckResult]: Stem: 3592#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(44);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(44);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(9);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(9);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(11);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(19);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string20.base, #t~string20.offset, 1);call write~init~int(100, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(10, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 3 + #t~string20.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string23.base, #t~string23.offset, 1);call write~init~int(100, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(10, #t~string23.base, 2 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 3 + #t~string23.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(30);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(9);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(21);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(21);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(25);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(25);~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string66.base, #t~string66.offset, 1);call write~init~int(115, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(10, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 3 + #t~string66.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(10);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(12);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(10);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(18);call #t~string81.base, #t~string81.offset := #Ultimate.allocOnStack(13);call #t~string84.base, #t~string84.offset := #Ultimate.allocOnStack(16);call #t~string87.base, #t~string87.offset := #Ultimate.allocOnStack(25);~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;call #t~string89.base, #t~string89.offset := #Ultimate.allocOnStack(10);call #t~string93.base, #t~string93.offset := #Ultimate.allocOnStack(16);call #t~string97.base, #t~string97.offset := #Ultimate.allocOnStack(20);~__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; 3338#L-1 havoc main_#res;havoc main_#t~nondet14, main_#t~ret15, main_~retValue_acc~0, main_~tmp~2;main_~retValue_acc~0 := main_#t~nondet14;havoc main_#t~nondet14;havoc main_~tmp~2; 3339#L759 havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; 3605#L767 main_#t~ret15 := valid_product_#res;main_~tmp~2 := main_#t~ret15;havoc main_#t~ret15; 3634#L238 assume 0 != main_~tmp~2;havoc setup_#t~nondet9, setup_#t~nondet11, setup_#t~nondet13, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setup_bob__wrappee__Base_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__wrappee__Base_~bob___0;setup_bob__wrappee__Base_~bob___0 := setup_bob__wrappee__Base_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__wrappee__Base_~bob___0, setup_bob__wrappee__Base_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 3660#L2605 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 3511#L2611-2 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; 3643#L2170 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 3497#L2176-2 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string8.base, #t~string8.offset;havoc setup_#t~nondet9;~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; 3639#L2605-2 assume !(1 == setClientId_~handle); 3412#L2608-2 assume 2 == setClientId_~handle;~__ste_client_idCounter1~0 := setClientId_~value; 3413#L2611-5 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; 3616#L2170-2 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 3502#L2176-5 setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string10.base, #t~string10.offset;havoc setup_#t~nondet11;~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; 3642#L2605-4 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 3451#L2611-8 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; 3617#L2170-4 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 3421#L2176-8 setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset := #t~string12.base, #t~string12.offset;havoc setup_#t~nondet13; 3610#L225 havoc test_#t~nondet108, test_#t~nondet109, test_#t~nondet110, test_#t~nondet111, test_#t~nondet112, test_#t~nondet113, test_#t~nondet114, test_#t~nondet115, test_#t~nondet116, test_#t~nondet117, test_#t~nondet118, 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~18, test_~tmp___0~5, test_~tmp___1~3, test_~tmp___2~2, 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~18;havoc test_~tmp___0~5;havoc test_~tmp___1~3;havoc test_~tmp___2~2;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; 3611#L2804-1 assume !false; 3723#L2662 [2019-11-15 20:11:58,315 INFO L793 eck$LassoCheckResult]: Loop: 3723#L2662 assume test_~splverifierCounter~0 < 4; 3490#L2663 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 3310#L2669 assume !(0 == test_~op1~0); 3312#L2682 assume !(0 == test_~op2~0); 3576#L2693 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet110;havoc test_#t~nondet110; 3580#L2698 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; 3581#L2170-6 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 3430#L2176-11 test_~op3~0 := 1; 3488#L2804-1 assume !false; 3723#L2662 [2019-11-15 20:11:58,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:11:58,316 INFO L82 PathProgramCache]: Analyzing trace with hash -953559564, now seen corresponding path program 1 times [2019-11-15 20:11:58,316 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:11:58,316 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562558603] [2019-11-15 20:11:58,316 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:11:58,317 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:11:58,317 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:11:58,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:11:58,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 20:11:58,418 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562558603] [2019-11-15 20:11:58,418 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 20:11:58,418 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-15 20:11:58,418 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052827136] [2019-11-15 20:11:58,419 INFO L796 eck$LassoCheckResult]: stem already infeasible [2019-11-15 20:11:58,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:11:58,419 INFO L82 PathProgramCache]: Analyzing trace with hash -1296812605, now seen corresponding path program 1 times [2019-11-15 20:11:58,419 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:11:58,419 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719523122] [2019-11-15 20:11:58,420 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:11:58,420 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:11:58,420 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:11:58,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 20:11:58,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 20:11:58,444 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 20:11:58,536 INFO L210 LassoAnalysis]: Preferences: [2019-11-15 20:11:58,537 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-11-15 20:11:58,537 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-15 20:11:58,537 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-11-15 20:11:58,537 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-11-15 20:11:58,537 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 20:11:58,537 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-15 20:11:58,538 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-11-15 20:11:58,538 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec7_product13.cil.c_Iteration2_Loop [2019-11-15 20:11:58,538 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-15 20:11:58,538 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-15 20:11:58,540 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 20:11:58,549 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 20:11:58,560 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 20:11:58,563 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 20:11:58,576 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 20:11:58,585 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 20:11:58,589 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 20:11:58,775 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-15 20:11:58,776 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a69c27c9-326e-4eac-8890-b49dd426d64f/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) [2019-11-15 20:11:58,791 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-15 20:11:58,791 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a69c27c9-326e-4eac-8890-b49dd426d64f/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) [2019-11-15 20:11:58,812 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-15 20:11:58,812 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 20:11:58,823 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-15 20:11:58,827 INFO L210 LassoAnalysis]: Preferences: [2019-11-15 20:11:58,827 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-11-15 20:11:58,827 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-15 20:11:58,827 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-11-15 20:11:58,827 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-11-15 20:11:58,827 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 20:11:58,827 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-15 20:11:58,828 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-11-15 20:11:58,828 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec7_product13.cil.c_Iteration2_Loop [2019-11-15 20:11:58,828 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-15 20:11:58,828 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-15 20:11:58,829 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 20:11:58,841 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 20:11:58,848 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 20:11:58,851 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 20:11:58,857 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 20:11:58,869 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 20:11:58,872 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 20:11:59,049 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-15 20:11:59,050 INFO L489 LassoAnalysis]: Using template 'affine'. [2019-11-15 20:11:59,050 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 [2019-11-15 20:11:59,051 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:11:59,051 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:11:59,051 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:11:59,051 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:11:59,052 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 20:11:59,052 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 20:11:59,052 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:11:59,061 INFO L419 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-15 20:11:59,064 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-15 20:11:59,064 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2019-11-15 20:11:59,065 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-15 20:11:59,065 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-15 20:11:59,065 INFO L510 LassoAnalysis]: Proved termination. [2019-11-15 20:11:59,065 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 7 Supporting invariants [] [2019-11-15 20:11:59,066 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-11-15 20:11:59,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:11:59,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:11:59,276 INFO L256 TraceCheckSpWp]: Trace formula consists of 587 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-15 20:11:59,278 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 20:11:59,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:11:59,316 INFO L256 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-15 20:11:59,317 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 20:11:59,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 20:11:59,352 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 [2019-11-15 20:11:59,353 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 447 states and 807 transitions. cyclomatic complexity: 362 Second operand 4 states. [2019-11-15 20:11:59,381 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 447 states and 807 transitions. cyclomatic complexity: 362. Second operand 4 states. Result 867 states and 1573 transitions. Complement of second has 6 states. [2019-11-15 20:11:59,381 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 [2019-11-15 20:11:59,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-15 20:11:59,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 426 transitions. [2019-11-15 20:11:59,383 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 426 transitions. Stem has 20 letters. Loop has 9 letters. [2019-11-15 20:11:59,384 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-15 20:11:59,384 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 426 transitions. Stem has 29 letters. Loop has 9 letters. [2019-11-15 20:11:59,384 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-15 20:11:59,384 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 426 transitions. Stem has 20 letters. Loop has 18 letters. [2019-11-15 20:11:59,385 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-15 20:11:59,386 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 867 states and 1573 transitions. [2019-11-15 20:11:59,395 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-15 20:11:59,395 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 867 states to 0 states and 0 transitions. [2019-11-15 20:11:59,395 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-15 20:11:59,396 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-15 20:11:59,396 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-15 20:11:59,396 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-15 20:11:59,396 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 20:11:59,396 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 20:11:59,397 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 20:11:59,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-15 20:11:59,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-15 20:11:59,397 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 5 states. [2019-11-15 20:11:59,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 20:11:59,398 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2019-11-15 20:11:59,398 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-15 20:11:59,398 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2019-11-15 20:11:59,398 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-15 20:11:59,399 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2019-11-15 20:11:59,399 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-15 20:11:59,399 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-15 20:11:59,399 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-15 20:11:59,399 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-15 20:11:59,399 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 20:11:59,400 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 20:11:59,400 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 20:11:59,400 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-15 20:11:59,400 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-15 20:11:59,400 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-15 20:11:59,400 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-15 20:11:59,407 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 15.11 08:11:59 BoogieIcfgContainer [2019-11-15 20:11:59,408 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-15 20:11:59,408 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 20:11:59,408 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 20:11:59,409 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 20:11:59,409 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 08:11:56" (3/4) ... [2019-11-15 20:11:59,413 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-15 20:11:59,413 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 20:11:59,416 INFO L168 Benchmark]: Toolchain (without parser) took 6475.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 192.9 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -204.5 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 20:11:59,417 INFO L168 Benchmark]: CDTParser took 0.29 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. [2019-11-15 20:11:59,418 INFO L168 Benchmark]: CACSL2BoogieTranslator took 890.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -144.8 MB). Peak memory consumption was 29.7 MB. Max. memory is 11.5 GB. [2019-11-15 20:11:59,420 INFO L168 Benchmark]: Boogie Procedure Inliner took 148.45 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-15 20:11:59,421 INFO L168 Benchmark]: Boogie Preprocessor took 101.61 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-15 20:11:59,422 INFO L168 Benchmark]: RCFGBuilder took 2160.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 894.3 MB in the end (delta: 173.7 MB). Peak memory consumption was 173.7 MB. Max. memory is 11.5 GB. [2019-11-15 20:11:59,423 INFO L168 Benchmark]: BuchiAutomizer took 3160.98 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 58.7 MB). Free memory was 894.3 MB in the beginning and 1.1 GB in the end (delta: -249.5 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 20:11:59,428 INFO L168 Benchmark]: Witness Printer took 4.95 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 20:11:59,434 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 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 890.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -144.8 MB). Peak memory consumption was 29.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 148.45 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 101.61 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2160.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 894.3 MB in the end (delta: 173.7 MB). Peak memory consumption was 173.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 3160.98 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 58.7 MB). Free memory was 894.3 MB in the beginning and 1.1 GB in the end (delta: -249.5 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 4.95 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 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 3.1s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.7s. 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, 844 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 447 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 2472 SDtfs, 2060 SDslu, 2921 SDs, 0 SdLazy, 26 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT2 lasso0 LassoPreprocessingBenchmarks: Lassos: inital38 mio100 ax100 hnf100 lsp29 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq189 hnf90 smp100 dnf134 smp100 tf108 neg92 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 51ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...