./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/email_spec3_product25.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_1930e25f-a834-422b-8057-7b9dd8ed11bc/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1930e25f-a834-422b-8057-7b9dd8ed11bc/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1930e25f-a834-422b-8057-7b9dd8ed11bc/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1930e25f-a834-422b-8057-7b9dd8ed11bc/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/email_spec3_product25.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_1930e25f-a834-422b-8057-7b9dd8ed11bc/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1930e25f-a834-422b-8057-7b9dd8ed11bc/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 4fba0526fa16c63a6b37c41b8e958cb93d5ec5bc ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 08:59:12,081 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:59:12,082 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:59:12,092 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:59:12,092 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:59:12,093 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:59:12,094 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:59:12,096 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:59:12,098 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:59:12,099 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:59:12,099 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:59:12,101 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:59:12,101 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:59:12,102 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:59:12,103 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:59:12,104 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:59:12,104 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:59:12,105 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:59:12,107 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:59:12,108 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:59:12,110 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:59:12,111 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:59:12,112 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:59:12,112 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:59:12,114 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:59:12,115 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:59:12,115 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:59:12,116 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:59:12,116 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:59:12,117 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:59:12,117 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:59:12,118 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:59:12,119 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:59:12,119 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:59:12,120 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:59:12,120 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:59:12,121 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:59:12,121 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:59:12,121 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:59:12,122 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:59:12,123 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:59:12,124 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1930e25f-a834-422b-8057-7b9dd8ed11bc/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-10-22 08:59:12,136 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:59:12,136 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:59:12,137 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:59:12,138 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:59:12,138 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:59:12,138 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-10-22 08:59:12,138 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-10-22 08:59:12,139 INFO L138 SettingsManager]: * Use old map elimination=false [2019-10-22 08:59:12,139 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-10-22 08:59:12,139 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-10-22 08:59:12,139 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-10-22 08:59:12,139 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:59:12,139 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 08:59:12,140 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 08:59:12,140 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 08:59:12,140 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 08:59:12,140 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:59:12,140 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-10-22 08:59:12,140 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-10-22 08:59:12,141 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-10-22 08:59:12,141 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 08:59:12,141 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 08:59:12,141 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-10-22 08:59:12,141 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:59:12,141 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-10-22 08:59:12,142 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:59:12,142 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:59:12,142 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-10-22 08:59:12,143 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:59:12,143 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 08:59:12,143 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-10-22 08:59:12,144 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-10-22 08:59:12,144 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_1930e25f-a834-422b-8057-7b9dd8ed11bc/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 -> 4fba0526fa16c63a6b37c41b8e958cb93d5ec5bc [2019-10-22 08:59:12,174 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:59:12,184 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:59:12,187 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:59:12,188 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:59:12,188 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:59:12,189 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1930e25f-a834-422b-8057-7b9dd8ed11bc/bin/uautomizer/../../sv-benchmarks/c/product-lines/email_spec3_product25.cil.c [2019-10-22 08:59:12,232 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1930e25f-a834-422b-8057-7b9dd8ed11bc/bin/uautomizer/data/195e956c3/fd74f4ffebd84837b2c4f4d4cec77d62/FLAG53734de48 [2019-10-22 08:59:12,721 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:59:12,725 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1930e25f-a834-422b-8057-7b9dd8ed11bc/sv-benchmarks/c/product-lines/email_spec3_product25.cil.c [2019-10-22 08:59:12,745 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1930e25f-a834-422b-8057-7b9dd8ed11bc/bin/uautomizer/data/195e956c3/fd74f4ffebd84837b2c4f4d4cec77d62/FLAG53734de48 [2019-10-22 08:59:13,211 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1930e25f-a834-422b-8057-7b9dd8ed11bc/bin/uautomizer/data/195e956c3/fd74f4ffebd84837b2c4f4d4cec77d62 [2019-10-22 08:59:13,215 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:59:13,216 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 08:59:13,217 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:59:13,217 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:59:13,225 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:59:13,226 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:59:13" (1/1) ... [2019-10-22 08:59:13,228 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1034c2f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:13, skipping insertion in model container [2019-10-22 08:59:13,228 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:59:13" (1/1) ... [2019-10-22 08:59:13,236 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:59:13,317 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:59:13,953 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:59:13,969 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:59:14,118 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:59:14,183 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:59:14,183 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:14 WrapperNode [2019-10-22 08:59:14,184 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:59:14,184 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 08:59:14,184 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 08:59:14,185 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 08:59:14,193 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:14" (1/1) ... [2019-10-22 08:59:14,217 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:14" (1/1) ... [2019-10-22 08:59:14,343 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 08:59:14,343 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:59:14,343 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:59:14,343 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:59:14,355 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:14" (1/1) ... [2019-10-22 08:59:14,356 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:14" (1/1) ... [2019-10-22 08:59:14,379 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:14" (1/1) ... [2019-10-22 08:59:14,380 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:14" (1/1) ... [2019-10-22 08:59:14,429 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:14" (1/1) ... [2019-10-22 08:59:14,464 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:14" (1/1) ... [2019-10-22 08:59:14,479 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:14" (1/1) ... [2019-10-22 08:59:14,496 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:59:14,496 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:59:14,496 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:59:14,496 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:59:14,497 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:14" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1930e25f-a834-422b-8057-7b9dd8ed11bc/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:59:14,559 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-22 08:59:14,561 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 08:59:14,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 08:59:14,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:59:14,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:59:17,172 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:59:17,173 INFO L284 CfgBuilder]: Removed 681 assume(true) statements. [2019-10-22 08:59:17,174 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:59:17 BoogieIcfgContainer [2019-10-22 08:59:17,174 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:59:17,175 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-10-22 08:59:17,175 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-10-22 08:59:17,179 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-10-22 08:59:17,180 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:59:17,180 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.10 08:59:13" (1/3) ... [2019-10-22 08:59:17,181 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2522b41e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 08:59:17, skipping insertion in model container [2019-10-22 08:59:17,181 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:59:17,181 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:14" (2/3) ... [2019-10-22 08:59:17,182 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2522b41e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 08:59:17, skipping insertion in model container [2019-10-22 08:59:17,182 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:59:17,182 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:59:17" (3/3) ... [2019-10-22 08:59:17,183 INFO L371 chiAutomizerObserver]: Analyzing ICFG email_spec3_product25.cil.c [2019-10-22 08:59:17,236 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-10-22 08:59:17,236 INFO L357 BuchiCegarLoop]: Hoare is false [2019-10-22 08:59:17,236 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-10-22 08:59:17,236 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:59:17,236 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:59:17,237 INFO L361 BuchiCegarLoop]: Difference is false [2019-10-22 08:59:17,237 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:59:17,237 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-10-22 08:59:17,275 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1014 states. [2019-10-22 08:59:17,360 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 255 [2019-10-22 08:59:17,365 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 08:59:17,365 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 08:59:17,376 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:59:17,376 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-10-22 08:59:17,376 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-10-22 08:59:17,376 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1014 states. [2019-10-22 08:59:17,392 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 255 [2019-10-22 08:59:17,393 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 08:59:17,393 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 08:59:17,397 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:59:17,397 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-10-22 08:59:17,402 INFO L791 eck$LassoCheckResult]: Stem: 326#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;~head~0.base, ~head~0.offset := 0, 0;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string35.base, #t~string35.offset, 1);call write~init~int(115, #t~string35.base, 1 + #t~string35.offset, 1);call write~init~int(10, #t~string35.base, 2 + #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 3 + #t~string35.offset, 1);~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(10);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(34);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(30);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(16);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(20);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(21);~sent_signed~0 := -1;call #t~string79.base, #t~string79.offset := #Ultimate.allocOnStack(13);call #t~string82.base, #t~string82.offset := #Ultimate.allocOnStack(16);call #t~string84.base, #t~string84.offset := #Ultimate.allocOnStack(15);call #t~string86.base, #t~string86.offset := #Ultimate.allocOnStack(16);call #t~string93.base, #t~string93.offset := #Ultimate.allocOnStack(10);call #t~string96.base, #t~string96.offset := #Ultimate.allocOnStack(12);call #t~string99.base, #t~string99.offset := #Ultimate.allocOnStack(10);call #t~string102.base, #t~string102.offset := #Ultimate.allocOnStack(18);call #t~string105.base, #t~string105.offset := #Ultimate.allocOnStack(13);call #t~string108.base, #t~string108.offset := #Ultimate.allocOnStack(16);call #t~string111.base, #t~string111.offset := #Ultimate.allocOnStack(25);~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;call #t~string113.base, #t~string113.offset := #Ultimate.allocOnStack(44);call #t~string118.base, #t~string118.offset := #Ultimate.allocOnStack(44);call #t~string120.base, #t~string120.offset := #Ultimate.allocOnStack(9);call #t~string122.base, #t~string122.offset := #Ultimate.allocOnStack(9);call #t~string124.base, #t~string124.offset := #Ultimate.allocOnStack(11);call #t~string128.base, #t~string128.offset := #Ultimate.allocOnStack(19);call #t~string131.base, #t~string131.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string131.base, #t~string131.offset, 1);call write~init~int(100, #t~string131.base, 1 + #t~string131.offset, 1);call write~init~int(10, #t~string131.base, 2 + #t~string131.offset, 1);call write~init~int(0, #t~string131.base, 3 + #t~string131.offset, 1);call #t~string134.base, #t~string134.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string134.base, #t~string134.offset, 1);call write~init~int(100, #t~string134.base, 1 + #t~string134.offset, 1);call write~init~int(10, #t~string134.base, 2 + #t~string134.offset, 1);call write~init~int(0, #t~string134.base, 3 + #t~string134.offset, 1); 269#L-1true havoc main_#res;havoc main_#t~ret126, main_~retValue_acc~42, main_~tmp~19;havoc main_~retValue_acc~42;havoc main_~tmp~19; 320#L2180true havoc valid_product_#res;havoc valid_product_~retValue_acc~33;havoc valid_product_~retValue_acc~33;valid_product_~retValue_acc~33 := 1;valid_product_#res := valid_product_~retValue_acc~33; 995#L2188true main_#t~ret126 := valid_product_#res;main_~tmp~19 := main_#t~ret126;havoc main_#t~ret126; 623#L2835true assume 0 != main_~tmp~19;havoc setup_#t~nondet121, setup_#t~nondet123, setup_#t~nondet125, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset, setup_~__cil_tmp3~4.base, setup_~__cil_tmp3~4.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset;havoc setup_~__cil_tmp3~4.base, setup_~__cil_tmp3~4.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setup_bob__wrappee__Base_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__wrappee__Base_~bob___0;setup_bob__wrappee__Base_~bob___0 := setup_bob__wrappee__Base_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__wrappee__Base_~bob___0, setup_bob__wrappee__Base_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 780#L2127true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 470#L2133-2true 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; 530#L1692true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 220#L1698-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string120.base, #t~string120.offset;havoc setup_#t~nondet121;~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; 772#L2127-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 483#L2133-5true 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; 531#L1692-2true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 198#L1698-5true setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset := #t~string122.base, #t~string122.offset;havoc setup_#t~nondet123;~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; 773#L2127-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 459#L2133-8true 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; 517#L1692-4true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 205#L1698-8true setup_~__cil_tmp3~4.base, setup_~__cil_tmp3~4.offset := #t~string124.base, #t~string124.offset;havoc setup_#t~nondet125; 34#L2822true havoc test_#t~nondet37, test_#t~nondet38, test_#t~nondet39, test_#t~nondet40, test_#t~nondet41, test_#t~nondet42, test_#t~nondet43, test_#t~nondet44, test_#t~nondet45, test_#t~nondet46, test_#t~nondet47, 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~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 298#L1033-1true [2019-10-22 08:59:17,403 INFO L793 eck$LassoCheckResult]: Loop: 298#L1033-1true assume !false; 23#L885true assume test_~splverifierCounter~0 < 4; 76#L886true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 884#L892true assume !(0 == test_~op1~0); 225#L905true assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet38;havoc test_#t~nondet38; 908#L910true assume 0 != test_~tmp___8~0;test_~op2~0 := 1; 298#L1033-1true [2019-10-22 08:59:17,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:59:17,409 INFO L82 PathProgramCache]: Analyzing trace with hash 1291925977, now seen corresponding path program 1 times [2019-10-22 08:59:17,416 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:59:17,416 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218839724] [2019-10-22 08:59:17,416 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:17,417 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:17,417 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:59:17,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:59:17,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:59:17,743 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1218839724] [2019-10-22 08:59:17,743 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:59:17,744 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 08:59:17,744 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998341537] [2019-10-22 08:59:17,748 INFO L796 eck$LassoCheckResult]: stem already infeasible [2019-10-22 08:59:17,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:59:17,749 INFO L82 PathProgramCache]: Analyzing trace with hash 590492675, now seen corresponding path program 1 times [2019-10-22 08:59:17,749 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:59:17,749 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435208381] [2019-10-22 08:59:17,749 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:17,749 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:17,750 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:59:17,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:59:17,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:59:17,795 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:59:17,839 INFO L210 LassoAnalysis]: Preferences: [2019-10-22 08:59:17,840 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-10-22 08:59:17,840 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-10-22 08:59:17,840 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-10-22 08:59:17,840 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-10-22 08:59:17,840 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:59:17,840 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-10-22 08:59:17,841 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-10-22 08:59:17,841 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec3_product25.cil.c_Iteration1_Loop [2019-10-22 08:59:17,841 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-10-22 08:59:17,841 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-10-22 08:59:17,864 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:59:17,876 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:59:17,881 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:59:17,886 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:59:18,012 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-10-22 08:59:18,012 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1930e25f-a834-422b-8057-7b9dd8ed11bc/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:59:18,027 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 08:59:18,028 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1930e25f-a834-422b-8057-7b9dd8ed11bc/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:59:18,044 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-10-22 08:59:18,044 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-10-22 08:59:18,057 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-10-22 08:59:18,060 INFO L210 LassoAnalysis]: Preferences: [2019-10-22 08:59:18,060 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-10-22 08:59:18,060 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-10-22 08:59:18,060 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-10-22 08:59:18,060 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-10-22 08:59:18,060 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:59:18,060 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-10-22 08:59:18,060 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-10-22 08:59:18,061 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec3_product25.cil.c_Iteration1_Loop [2019-10-22 08:59:18,061 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-10-22 08:59:18,061 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-10-22 08:59:18,062 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:59:18,072 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:59:18,079 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:59:18,085 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:59:18,139 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-10-22 08:59:18,144 INFO L489 LassoAnalysis]: Using template 'affine'. [2019-10-22 08:59:18,145 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:59:18,147 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:59:18,147 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:59:18,148 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:59:18,149 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:59:18,149 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:59:18,151 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:59:18,152 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:59:18,155 INFO L419 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-10-22 08:59:18,162 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-10-22 08:59:18,164 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2019-10-22 08:59:18,166 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-10-22 08:59:18,166 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-10-22 08:59:18,167 INFO L510 LassoAnalysis]: Proved termination. [2019-10-22 08:59:18,168 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op2~0) = -2*ULTIMATE.start_test_~op2~0 + 1 Supporting invariants [] [2019-10-22 08:59:18,170 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-10-22 08:59:18,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:59:18,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:59:18,337 INFO L256 TraceCheckSpWp]: Trace formula consists of 628 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 08:59:18,339 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:59:18,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:59:18,375 INFO L256 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-22 08:59:18,376 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:59:18,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:59:18,419 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-10-22 08:59:18,420 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1014 states. Second operand 4 states. [2019-10-22 08:59:18,688 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1014 states.. Second operand 4 states. Result 4700 states and 8050 transitions. Complement of second has 7 states. [2019-10-22 08:59:18,689 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-10-22 08:59:18,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-10-22 08:59:18,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 4676 transitions. [2019-10-22 08:59:18,697 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 4676 transitions. Stem has 18 letters. Loop has 6 letters. [2019-10-22 08:59:18,698 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 08:59:18,698 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 4676 transitions. Stem has 24 letters. Loop has 6 letters. [2019-10-22 08:59:18,698 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 08:59:18,698 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 4676 transitions. Stem has 18 letters. Loop has 12 letters. [2019-10-22 08:59:18,699 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 08:59:18,699 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 4700 states and 8050 transitions. [2019-10-22 08:59:18,729 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 509 [2019-10-22 08:59:18,741 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 4700 states to 1051 states and 1924 transitions. [2019-10-22 08:59:18,742 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 540 [2019-10-22 08:59:18,744 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 541 [2019-10-22 08:59:18,744 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1051 states and 1924 transitions. [2019-10-22 08:59:18,746 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-10-22 08:59:18,746 INFO L688 BuchiCegarLoop]: Abstraction has 1051 states and 1924 transitions. [2019-10-22 08:59:18,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1051 states and 1924 transitions. [2019-10-22 08:59:18,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1051 to 542. [2019-10-22 08:59:18,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 542 states. [2019-10-22 08:59:18,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 989 transitions. [2019-10-22 08:59:18,793 INFO L711 BuchiCegarLoop]: Abstraction has 542 states and 989 transitions. [2019-10-22 08:59:18,794 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:59:18,796 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:59:18,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:59:18,798 INFO L87 Difference]: Start difference. First operand 542 states and 989 transitions. Second operand 3 states. [2019-10-22 08:59:18,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:59:18,855 INFO L93 Difference]: Finished difference Result 1064 states and 1943 transitions. [2019-10-22 08:59:18,855 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:59:18,856 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1064 states and 1943 transitions. [2019-10-22 08:59:18,865 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 510 [2019-10-22 08:59:18,872 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1064 states to 1064 states and 1943 transitions. [2019-10-22 08:59:18,872 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 552 [2019-10-22 08:59:18,874 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 552 [2019-10-22 08:59:18,876 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1064 states and 1943 transitions. [2019-10-22 08:59:18,876 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-10-22 08:59:18,876 INFO L688 BuchiCegarLoop]: Abstraction has 1064 states and 1943 transitions. [2019-10-22 08:59:18,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1064 states and 1943 transitions. [2019-10-22 08:59:18,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1064 to 541. [2019-10-22 08:59:18,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 541 states. [2019-10-22 08:59:18,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 985 transitions. [2019-10-22 08:59:18,900 INFO L711 BuchiCegarLoop]: Abstraction has 541 states and 985 transitions. [2019-10-22 08:59:18,900 INFO L591 BuchiCegarLoop]: Abstraction has 541 states and 985 transitions. [2019-10-22 08:59:18,900 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-10-22 08:59:18,901 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 541 states and 985 transitions. [2019-10-22 08:59:18,903 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 255 [2019-10-22 08:59:18,906 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 08:59:18,906 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 08:59:18,907 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:59:18,908 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:59:18,908 INFO L791 eck$LassoCheckResult]: Stem: 7744#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;~head~0.base, ~head~0.offset := 0, 0;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string35.base, #t~string35.offset, 1);call write~init~int(115, #t~string35.base, 1 + #t~string35.offset, 1);call write~init~int(10, #t~string35.base, 2 + #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 3 + #t~string35.offset, 1);~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(10);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(34);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(30);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(16);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(20);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(21);~sent_signed~0 := -1;call #t~string79.base, #t~string79.offset := #Ultimate.allocOnStack(13);call #t~string82.base, #t~string82.offset := #Ultimate.allocOnStack(16);call #t~string84.base, #t~string84.offset := #Ultimate.allocOnStack(15);call #t~string86.base, #t~string86.offset := #Ultimate.allocOnStack(16);call #t~string93.base, #t~string93.offset := #Ultimate.allocOnStack(10);call #t~string96.base, #t~string96.offset := #Ultimate.allocOnStack(12);call #t~string99.base, #t~string99.offset := #Ultimate.allocOnStack(10);call #t~string102.base, #t~string102.offset := #Ultimate.allocOnStack(18);call #t~string105.base, #t~string105.offset := #Ultimate.allocOnStack(13);call #t~string108.base, #t~string108.offset := #Ultimate.allocOnStack(16);call #t~string111.base, #t~string111.offset := #Ultimate.allocOnStack(25);~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;call #t~string113.base, #t~string113.offset := #Ultimate.allocOnStack(44);call #t~string118.base, #t~string118.offset := #Ultimate.allocOnStack(44);call #t~string120.base, #t~string120.offset := #Ultimate.allocOnStack(9);call #t~string122.base, #t~string122.offset := #Ultimate.allocOnStack(9);call #t~string124.base, #t~string124.offset := #Ultimate.allocOnStack(11);call #t~string128.base, #t~string128.offset := #Ultimate.allocOnStack(19);call #t~string131.base, #t~string131.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string131.base, #t~string131.offset, 1);call write~init~int(100, #t~string131.base, 1 + #t~string131.offset, 1);call write~init~int(10, #t~string131.base, 2 + #t~string131.offset, 1);call write~init~int(0, #t~string131.base, 3 + #t~string131.offset, 1);call #t~string134.base, #t~string134.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string134.base, #t~string134.offset, 1);call write~init~int(100, #t~string134.base, 1 + #t~string134.offset, 1);call write~init~int(10, #t~string134.base, 2 + #t~string134.offset, 1);call write~init~int(0, #t~string134.base, 3 + #t~string134.offset, 1); 7443#L-1 havoc main_#res;havoc main_#t~ret126, main_~retValue_acc~42, main_~tmp~19;havoc main_~retValue_acc~42;havoc main_~tmp~19; 7444#L2180 havoc valid_product_#res;havoc valid_product_~retValue_acc~33;havoc valid_product_~retValue_acc~33;valid_product_~retValue_acc~33 := 1;valid_product_#res := valid_product_~retValue_acc~33; 7717#L2188 main_#t~ret126 := valid_product_#res;main_~tmp~19 := main_#t~ret126;havoc main_#t~ret126; 7738#L2835 assume 0 != main_~tmp~19;havoc setup_#t~nondet121, setup_#t~nondet123, setup_#t~nondet125, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset, setup_~__cil_tmp3~4.base, setup_~__cil_tmp3~4.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset;havoc setup_~__cil_tmp3~4.base, setup_~__cil_tmp3~4.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setup_bob__wrappee__Base_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__wrappee__Base_~bob___0;setup_bob__wrappee__Base_~bob___0 := setup_bob__wrappee__Base_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__wrappee__Base_~bob___0, setup_bob__wrappee__Base_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 7739#L2127 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 7817#L2133-2 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; 7952#L1692 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 7848#L1698-2 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string120.base, #t~string120.offset;havoc setup_#t~nondet121;~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; 7959#L2127-2 assume !(1 == setClientId_~handle); 7837#L2130-2 assume 2 == setClientId_~handle;~__ste_client_idCounter1~0 := setClientId_~value; 7838#L2133-5 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; 7958#L1692-2 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 7820#L1698-5 setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset := #t~string122.base, #t~string122.offset;havoc setup_#t~nondet123;~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; 7953#L2127-4 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 7767#L2133-8 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; 7941#L1692-4 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 7831#L1698-8 setup_~__cil_tmp3~4.base, setup_~__cil_tmp3~4.offset := #t~string124.base, #t~string124.offset;havoc setup_#t~nondet125; 7679#L2822 havoc test_#t~nondet37, test_#t~nondet38, test_#t~nondet39, test_#t~nondet40, test_#t~nondet41, test_#t~nondet42, test_#t~nondet43, test_#t~nondet44, test_#t~nondet45, test_#t~nondet46, test_#t~nondet47, 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~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 7680#L1033-1 assume !false; 7547#L885 [2019-10-22 08:59:18,909 INFO L793 eck$LassoCheckResult]: Loop: 7547#L885 assume test_~splverifierCounter~0 < 4; 7548#L886 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 7705#L892 assume !(0 == test_~op1~0); 7541#L905 assume !(0 == test_~op2~0); 7867#L916 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet39;havoc test_#t~nondet39; 7860#L921 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; 7861#L1692-6 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 7769#L1698-11 test_~op3~0 := 1; 7452#L1033-1 assume !false; 7547#L885 [2019-10-22 08:59:18,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:59:18,909 INFO L82 PathProgramCache]: Analyzing trace with hash -953559564, now seen corresponding path program 1 times [2019-10-22 08:59:18,909 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:59:18,910 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596857855] [2019-10-22 08:59:18,910 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:18,910 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:18,910 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:59:18,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:59:18,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:59:18,996 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596857855] [2019-10-22 08:59:18,996 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:59:18,996 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 08:59:18,996 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884859190] [2019-10-22 08:59:18,996 INFO L796 eck$LassoCheckResult]: stem already infeasible [2019-10-22 08:59:18,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:59:18,997 INFO L82 PathProgramCache]: Analyzing trace with hash -1296812605, now seen corresponding path program 1 times [2019-10-22 08:59:18,997 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:59:18,997 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433659970] [2019-10-22 08:59:18,997 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:18,997 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:18,997 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:59:19,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:59:19,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:59:19,018 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:59:19,078 INFO L210 LassoAnalysis]: Preferences: [2019-10-22 08:59:19,079 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-10-22 08:59:19,079 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-10-22 08:59:19,079 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-10-22 08:59:19,079 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-10-22 08:59:19,079 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:59:19,079 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-10-22 08:59:19,079 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-10-22 08:59:19,079 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec3_product25.cil.c_Iteration2_Loop [2019-10-22 08:59:19,079 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-10-22 08:59:19,079 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-10-22 08:59:19,080 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:59:19,086 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:59:19,090 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:59:19,093 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:59:19,099 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:59:19,105 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:59:19,108 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:59:19,230 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-10-22 08:59:19,230 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1930e25f-a834-422b-8057-7b9dd8ed11bc/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:59:19,234 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 08:59:19,234 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1930e25f-a834-422b-8057-7b9dd8ed11bc/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) [2019-10-22 08:59:19,243 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-10-22 08:59:19,243 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 [2019-10-22 08:59:19,254 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-10-22 08:59:19,256 INFO L210 LassoAnalysis]: Preferences: [2019-10-22 08:59:19,257 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-10-22 08:59:19,257 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-10-22 08:59:19,257 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-10-22 08:59:19,257 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-10-22 08:59:19,257 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:59:19,257 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-10-22 08:59:19,257 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-10-22 08:59:19,257 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec3_product25.cil.c_Iteration2_Loop [2019-10-22 08:59:19,257 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-10-22 08:59:19,257 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-10-22 08:59:19,259 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:59:19,270 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:59:19,276 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:59:19,279 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:59:19,294 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:59:19,297 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:59:19,311 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:59:19,425 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-10-22 08:59:19,425 INFO L489 LassoAnalysis]: Using template 'affine'. [2019-10-22 08:59:19,427 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:59:19,428 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:59:19,428 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:59:19,428 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:59:19,428 INFO L203 nArgumentSynthesizer]: 2 loop disjuncts [2019-10-22 08:59:19,428 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:59:19,429 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-10-22 08:59:19,429 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:59:19,431 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:59:19,432 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:59:19,432 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:59:19,432 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:59:19,432 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:59:19,432 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:59:19,432 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:59:19,433 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:59:19,433 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:59:19,434 INFO L419 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-10-22 08:59:19,442 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-10-22 08:59:19,442 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2019-10-22 08:59:19,446 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-10-22 08:59:19,446 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-10-22 08:59:19,446 INFO L510 LassoAnalysis]: Proved termination. [2019-10-22 08:59:19,446 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 7 Supporting invariants [] [2019-10-22 08:59:19,447 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-10-22 08:59:19,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:59:19,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:59:19,587 INFO L256 TraceCheckSpWp]: Trace formula consists of 630 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 08:59:19,589 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:59:19,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:59:19,615 INFO L256 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-22 08:59:19,616 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:59:19,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:59:19,652 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2019-10-22 08:59:19,652 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 541 states and 985 transitions. cyclomatic complexity: 446 Second operand 4 states. [2019-10-22 08:59:19,743 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 541 states and 985 transitions. cyclomatic complexity: 446. Second operand 4 states. Result 1055 states and 1929 transitions. Complement of second has 6 states. [2019-10-22 08:59:19,743 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-10-22 08:59:19,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-10-22 08:59:19,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 515 transitions. [2019-10-22 08:59:19,744 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 515 transitions. Stem has 20 letters. Loop has 9 letters. [2019-10-22 08:59:19,745 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 08:59:19,745 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 515 transitions. Stem has 29 letters. Loop has 9 letters. [2019-10-22 08:59:19,745 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 08:59:19,745 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 515 transitions. Stem has 20 letters. Loop has 18 letters. [2019-10-22 08:59:19,745 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 08:59:19,746 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1055 states and 1929 transitions. [2019-10-22 08:59:19,755 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-10-22 08:59:19,756 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1055 states to 0 states and 0 transitions. [2019-10-22 08:59:19,756 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-10-22 08:59:19,756 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-10-22 08:59:19,756 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-10-22 08:59:19,756 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-10-22 08:59:19,756 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:59:19,756 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:59:19,756 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:59:19,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 08:59:19,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 08:59:19,757 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 5 states. [2019-10-22 08:59:19,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:59:19,757 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2019-10-22 08:59:19,757 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 08:59:19,757 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2019-10-22 08:59:19,757 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-10-22 08:59:19,758 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 08:59:19,758 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-10-22 08:59:19,758 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-10-22 08:59:19,758 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-10-22 08:59:19,758 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-10-22 08:59:19,758 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:59:19,758 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:59:19,758 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:59:19,759 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-10-22 08:59:19,759 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-10-22 08:59:19,759 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-10-22 08:59:19,759 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-10-22 08:59:19,765 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.10 08:59:19 BoogieIcfgContainer [2019-10-22 08:59:19,765 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-10-22 08:59:19,765 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 08:59:19,765 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 08:59:19,765 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 08:59:19,767 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:59:17" (3/4) ... [2019-10-22 08:59:19,770 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-10-22 08:59:19,770 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 08:59:19,772 INFO L168 Benchmark]: Toolchain (without parser) took 6554.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 213.9 MB). Free memory was 935.6 MB in the beginning and 1.2 GB in the end (delta: -233.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:59:19,772 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 962.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:59:19,773 INFO L168 Benchmark]: CACSL2BoogieTranslator took 966.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 935.6 MB in the beginning and 1.1 GB in the end (delta: -160.0 MB). Peak memory consumption was 30.0 MB. Max. memory is 11.5 GB. [2019-10-22 08:59:19,773 INFO L168 Benchmark]: Boogie Procedure Inliner took 158.65 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: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. [2019-10-22 08:59:19,774 INFO L168 Benchmark]: Boogie Preprocessor took 152.63 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: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. [2019-10-22 08:59:19,774 INFO L168 Benchmark]: RCFGBuilder took 2678.45 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 910.2 MB in the end (delta: 147.8 MB). Peak memory consumption was 200.4 MB. Max. memory is 11.5 GB. [2019-10-22 08:59:19,775 INFO L168 Benchmark]: BuchiAutomizer took 2589.93 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 70.8 MB). Free memory was 910.2 MB in the beginning and 1.2 GB in the end (delta: -259.1 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:59:19,775 INFO L168 Benchmark]: Witness Printer took 4.58 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:59:19,778 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 962.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 966.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 935.6 MB in the beginning and 1.1 GB in the end (delta: -160.0 MB). Peak memory consumption was 30.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 158.65 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: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 152.63 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: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2678.45 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 910.2 MB in the end (delta: 147.8 MB). Peak memory consumption was 200.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 2589.93 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 70.8 MB). Free memory was 910.2 MB in the beginning and 1.2 GB in the end (delta: -259.1 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 4.58 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (2 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * op2 + 1 and consists of 5 locations. One deterministic module has affine ranking function -2 * splverifierCounter + 7 and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.5s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.8s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 1032 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 541 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 4925 SDtfs, 4424 SDslu, 6467 SDs, 0 SdLazy, 26 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT2 lasso0 LassoPreprocessingBenchmarks: Lassos: inital38 mio100 ax100 hnf100 lsp29 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq189 hnf90 smp100 dnf134 smp100 tf108 neg92 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 6ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 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...