./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/email_spec0_product25.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_0c3324d9-11c2-4e27-9c4c-c11d01bcdfcf/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_0c3324d9-11c2-4e27-9c4c-c11d01bcdfcf/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_0c3324d9-11c2-4e27-9c4c-c11d01bcdfcf/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_0c3324d9-11c2-4e27-9c4c-c11d01bcdfcf/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/email_spec0_product25.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_0c3324d9-11c2-4e27-9c4c-c11d01bcdfcf/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_0c3324d9-11c2-4e27-9c4c-c11d01bcdfcf/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 61bfcfde9f8b0818581d2fe228c7c1120d4fec85 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 18:09:25,365 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 18:09:25,366 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 18:09:25,373 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 18:09:25,374 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 18:09:25,374 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 18:09:25,375 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 18:09:25,377 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 18:09:25,378 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 18:09:25,378 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 18:09:25,379 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 18:09:25,380 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 18:09:25,380 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 18:09:25,381 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 18:09:25,381 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 18:09:25,382 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 18:09:25,383 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 18:09:25,383 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 18:09:25,384 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 18:09:25,386 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 18:09:25,387 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 18:09:25,388 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 18:09:25,388 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 18:09:25,389 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 18:09:25,390 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 18:09:25,391 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 18:09:25,391 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 18:09:25,391 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 18:09:25,391 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 18:09:25,392 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 18:09:25,392 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 18:09:25,392 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 18:09:25,393 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 18:09:25,393 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 18:09:25,394 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 18:09:25,394 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 18:09:25,394 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 18:09:25,395 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 18:09:25,395 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 18:09:25,395 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 18:09:25,396 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 18:09:25,396 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_0c3324d9-11c2-4e27-9c4c-c11d01bcdfcf/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-12-07 18:09:25,407 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 18:09:25,407 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 18:09:25,408 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 18:09:25,408 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 18:09:25,408 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 18:09:25,408 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 18:09:25,408 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 18:09:25,408 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 18:09:25,408 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 18:09:25,409 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 18:09:25,409 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 18:09:25,409 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 18:09:25,409 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 18:09:25,409 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 18:09:25,409 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 18:09:25,409 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 18:09:25,409 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 18:09:25,410 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 18:09:25,410 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 18:09:25,410 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 18:09:25,410 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 18:09:25,410 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 18:09:25,410 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 18:09:25,410 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 18:09:25,410 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 18:09:25,411 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 18:09:25,411 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 18:09:25,411 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 18:09:25,411 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 18:09:25,411 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 18:09:25,411 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 18:09:25,411 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 18:09:25,412 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 18:09:25,412 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_0c3324d9-11c2-4e27-9c4c-c11d01bcdfcf/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 -> 61bfcfde9f8b0818581d2fe228c7c1120d4fec85 [2019-12-07 18:09:25,509 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 18:09:25,518 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 18:09:25,521 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 18:09:25,522 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 18:09:25,523 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 18:09:25,523 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_0c3324d9-11c2-4e27-9c4c-c11d01bcdfcf/bin/uautomizer/../../sv-benchmarks/c/product-lines/email_spec0_product25.cil.c [2019-12-07 18:09:25,567 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0c3324d9-11c2-4e27-9c4c-c11d01bcdfcf/bin/uautomizer/data/90fac8dfd/56767a8be5774cca94ee8c487c5c0f6c/FLAGf139d91b9 [2019-12-07 18:09:25,970 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 18:09:25,971 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_0c3324d9-11c2-4e27-9c4c-c11d01bcdfcf/sv-benchmarks/c/product-lines/email_spec0_product25.cil.c [2019-12-07 18:09:25,984 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0c3324d9-11c2-4e27-9c4c-c11d01bcdfcf/bin/uautomizer/data/90fac8dfd/56767a8be5774cca94ee8c487c5c0f6c/FLAGf139d91b9 [2019-12-07 18:09:25,992 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_0c3324d9-11c2-4e27-9c4c-c11d01bcdfcf/bin/uautomizer/data/90fac8dfd/56767a8be5774cca94ee8c487c5c0f6c [2019-12-07 18:09:25,994 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 18:09:25,995 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 18:09:25,996 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 18:09:25,996 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 18:09:25,998 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 18:09:25,998 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:09:25" (1/1) ... [2019-12-07 18:09:26,000 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25ec64e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:09:25, skipping insertion in model container [2019-12-07 18:09:26,000 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:09:25" (1/1) ... [2019-12-07 18:09:26,005 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 18:09:26,049 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 18:09:26,436 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:09:26,446 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 18:09:26,520 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:09:26,571 INFO L208 MainTranslator]: Completed translation [2019-12-07 18:09:26,571 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:09:26 WrapperNode [2019-12-07 18:09:26,571 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 18:09:26,572 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 18:09:26,572 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 18:09:26,572 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 18:09:26,577 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:09:26" (1/1) ... [2019-12-07 18:09:26,599 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:09:26" (1/1) ... [2019-12-07 18:09:26,662 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 18:09:26,662 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 18:09:26,662 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 18:09:26,662 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 18:09:26,669 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:09:26" (1/1) ... [2019-12-07 18:09:26,669 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:09:26" (1/1) ... [2019-12-07 18:09:26,680 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:09:26" (1/1) ... [2019-12-07 18:09:26,680 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:09:26" (1/1) ... [2019-12-07 18:09:26,711 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:09:26" (1/1) ... [2019-12-07 18:09:26,732 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:09:26" (1/1) ... [2019-12-07 18:09:26,739 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:09:26" (1/1) ... [2019-12-07 18:09:26,750 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 18:09:26,750 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 18:09:26,751 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 18:09:26,751 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 18:09:26,751 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:09:26" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0c3324d9-11c2-4e27-9c4c-c11d01bcdfcf/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 [2019-12-07 18:09:26,800 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-12-07 18:09:26,801 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 18:09:26,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-07 18:09:26,801 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 18:09:26,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 18:09:28,214 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 18:09:28,214 INFO L287 CfgBuilder]: Removed 609 assume(true) statements. [2019-12-07 18:09:28,215 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:09:28 BoogieIcfgContainer [2019-12-07 18:09:28,216 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 18:09:28,216 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 18:09:28,216 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 18:09:28,218 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 18:09:28,219 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 18:09:28,219 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 06:09:25" (1/3) ... [2019-12-07 18:09:28,219 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@50e2984e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 06:09:28, skipping insertion in model container [2019-12-07 18:09:28,219 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 18:09:28,219 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:09:26" (2/3) ... [2019-12-07 18:09:28,220 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@50e2984e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 06:09:28, skipping insertion in model container [2019-12-07 18:09:28,220 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 18:09:28,220 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:09:28" (3/3) ... [2019-12-07 18:09:28,221 INFO L371 chiAutomizerObserver]: Analyzing ICFG email_spec0_product25.cil.c [2019-12-07 18:09:28,249 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 18:09:28,249 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 18:09:28,249 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 18:09:28,249 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 18:09:28,249 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 18:09:28,249 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 18:09:28,249 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 18:09:28,249 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 18:09:28,271 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 864 states. [2019-12-07 18:09:28,311 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 255 [2019-12-07 18:09:28,311 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 18:09:28,311 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 18:09:28,318 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:09:28,318 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-12-07 18:09:28,318 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 18:09:28,318 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 864 states. [2019-12-07 18:09:28,326 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 255 [2019-12-07 18:09:28,326 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 18:09:28,326 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 18:09:28,327 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:09:28,327 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-12-07 18:09:28,331 INFO L794 eck$LassoCheckResult]: Stem: 278#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(10);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(34);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(30);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(16);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(20);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(44);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(44);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(9);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(11);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(19);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string49.base, #t~string49.offset, 1);call write~init~int(100, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(10, #t~string49.base, 2 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 3 + #t~string49.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string52.base, #t~string52.offset, 1);call write~init~int(100, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(10, #t~string52.base, 2 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 3 + #t~string52.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(16);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(10);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(12);call #t~string80.base, #t~string80.offset := #Ultimate.allocOnStack(10);call #t~string83.base, #t~string83.offset := #Ultimate.allocOnStack(18);call #t~string86.base, #t~string86.offset := #Ultimate.allocOnStack(13);call #t~string89.base, #t~string89.offset := #Ultimate.allocOnStack(16);call #t~string92.base, #t~string92.offset := #Ultimate.allocOnStack(25);call #t~string112.base, #t~string112.offset := #Ultimate.allocOnStack(30);call #t~string113.base, #t~string113.offset := #Ultimate.allocOnStack(9);call #t~string114.base, #t~string114.offset := #Ultimate.allocOnStack(21);call #t~string115.base, #t~string115.offset := #Ultimate.allocOnStack(30);call #t~string116.base, #t~string116.offset := #Ultimate.allocOnStack(9);call #t~string117.base, #t~string117.offset := #Ultimate.allocOnStack(21);call #t~string121.base, #t~string121.offset := #Ultimate.allocOnStack(30);call #t~string122.base, #t~string122.offset := #Ultimate.allocOnStack(9);call #t~string123.base, #t~string123.offset := #Ultimate.allocOnStack(25);call #t~string124.base, #t~string124.offset := #Ultimate.allocOnStack(30);call #t~string125.base, #t~string125.offset := #Ultimate.allocOnStack(9);call #t~string126.base, #t~string126.offset := #Ultimate.allocOnStack(25);call #t~string130.base, #t~string130.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string130.base, #t~string130.offset, 1);call write~init~int(115, #t~string130.base, 1 + #t~string130.offset, 1);call write~init~int(10, #t~string130.base, 2 + #t~string130.offset, 1);call write~init~int(0, #t~string130.base, 3 + #t~string130.offset, 1);~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~head~0.base, ~head~0.offset := 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; 197#L-1true havoc main_#res;havoc main_#t~nondet43, main_#t~ret44, main_~retValue_acc~22, main_~tmp~11;main_~retValue_acc~22 := main_#t~nondet43;havoc main_#t~nondet43;havoc main_~tmp~11; 77#L2515true havoc valid_product_#res;havoc valid_product_~retValue_acc~30;havoc valid_product_~retValue_acc~30;valid_product_~retValue_acc~30 := 1;valid_product_#res := valid_product_~retValue_acc~30; 550#L2523true main_#t~ret44 := valid_product_#res;main_~tmp~11 := main_#t~ret44;havoc main_#t~ret44; 6#L1634true assume 0 != main_~tmp~11;havoc setup_#t~nondet38, setup_#t~nondet40, setup_#t~nondet42, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~1.base, setup_~__cil_tmp3~1.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~1.base, setup_~__cil_tmp3~1.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setup_bob__wrappee__Base_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__wrappee__Base_~bob___0;setup_bob__wrappee__Base_~bob___0 := setup_bob__wrappee__Base_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__wrappee__Base_~bob___0, setup_bob__wrappee__Base_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 826#L1462true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 474#L1468-2true 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; 596#L1027true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 241#L1033-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string37.base, #t~string37.offset;havoc setup_#t~nondet38;~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; 698#L1462-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 457#L1468-5true 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; 597#L1027-2true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 226#L1033-5true setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string39.base, #t~string39.offset;havoc setup_#t~nondet40;~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; 699#L1462-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 437#L1468-8true 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; 600#L1027-4true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 233#L1033-8true setup_~__cil_tmp3~1.base, setup_~__cil_tmp3~1.offset := #t~string41.base, #t~string41.offset;havoc setup_#t~nondet42; 646#L1621true havoc test_#t~nondet62, test_#t~nondet63, test_#t~nondet64, test_#t~nondet65, test_#t~nondet66, test_#t~nondet67, test_#t~nondet68, test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_~op1~0, test_~op2~0, test_~op3~0, test_~op4~0, test_~op5~0, test_~op6~0, test_~op7~0, test_~op8~0, test_~op9~0, test_~op10~0, test_~op11~0, test_~splverifierCounter~0, test_~tmp~14, test_~tmp___0~4, test_~tmp___1~3, test_~tmp___2~2, test_~tmp___3~1, test_~tmp___4~1, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~14;havoc test_~tmp___0~4;havoc test_~tmp___1~3;havoc test_~tmp___2~2;havoc test_~tmp___3~1;havoc test_~tmp___4~1;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 749#L1989-1true [2019-12-07 18:09:28,332 INFO L796 eck$LassoCheckResult]: Loop: 749#L1989-1true assume !false; 653#L1841true assume test_~splverifierCounter~0 < 4; 482#L1842true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 232#L1848true assume !(0 == test_~op1~0); 710#L1861true assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet63;havoc test_#t~nondet63; 529#L1866true assume 0 != test_~tmp___8~0;test_~op2~0 := 1; 749#L1989-1true [2019-12-07 18:09:28,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:09:28,336 INFO L82 PathProgramCache]: Analyzing trace with hash 1291925977, now seen corresponding path program 1 times [2019-12-07 18:09:28,342 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:09:28,343 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221621137] [2019-12-07 18:09:28,343 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:09:28,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:09:28,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:09:28,544 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221621137] [2019-12-07 18:09:28,545 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:09:28,545 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 18:09:28,546 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619958784] [2019-12-07 18:09:28,550 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-12-07 18:09:28,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:09:28,550 INFO L82 PathProgramCache]: Analyzing trace with hash 590492675, now seen corresponding path program 1 times [2019-12-07 18:09:28,550 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:09:28,550 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286955601] [2019-12-07 18:09:28,551 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:09:28,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:09:28,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:09:28,589 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:09:28,624 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 18:09:28,624 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 18:09:28,624 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 18:09:28,624 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 18:09:28,624 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-12-07 18:09:28,625 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:09:28,625 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 18:09:28,625 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 18:09:28,625 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec0_product25.cil.c_Iteration1_Loop [2019-12-07 18:09:28,625 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 18:09:28,625 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 18:09:28,644 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:09:28,650 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:09:28,654 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:09:28,658 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:09:28,709 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 18:09:28,710 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0c3324d9-11c2-4e27-9c4c-c11d01bcdfcf/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 [2019-12-07 18:09:28,714 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 18:09:28,714 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0c3324d9-11c2-4e27-9c4c-c11d01bcdfcf/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 [2019-12-07 18:09:28,724 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-12-07 18:09:28,724 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 18:09:28,730 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-12-07 18:09:28,732 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 18:09:28,732 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 18:09:28,732 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 18:09:28,732 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 18:09:28,732 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 18:09:28,733 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:09:28,733 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 18:09:28,733 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 18:09:28,733 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec0_product25.cil.c_Iteration1_Loop [2019-12-07 18:09:28,733 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 18:09:28,733 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 18:09:28,734 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:09:28,738 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:09:28,743 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:09:28,747 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:09:28,794 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 18:09:28,798 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0c3324d9-11c2-4e27-9c4c-c11d01bcdfcf/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 [2019-12-07 18:09:28,801 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 [2019-12-07 18:09:28,803 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:09:28,804 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:09:28,804 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:09:28,804 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:09:28,804 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:09:28,807 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:09:28,807 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:09:28,809 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 18:09:28,815 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-12-07 18:09:28,815 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0c3324d9-11c2-4e27-9c4c-c11d01bcdfcf/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:09:28,819 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 18:09:28,819 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-12-07 18:09:28,820 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 18:09:28,820 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op2~0) = -2*ULTIMATE.start_test_~op2~0 + 1 Supporting invariants [] [2019-12-07 18:09:28,825 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-12-07 18:09:28,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:09:28,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:09:29,002 INFO L264 TraceCheckSpWp]: Trace formula consists of 610 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 18:09:29,005 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:09:29,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:09:29,031 INFO L264 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 18:09:29,032 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:09:29,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:09:29,060 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 [2019-12-07 18:09:29,061 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 864 states. Second operand 4 states. [2019-12-07 18:09:29,274 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 864 states.. Second operand 4 states. Result 3950 states and 6742 transitions. Complement of second has 7 states. [2019-12-07 18:09:29,275 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 [2019-12-07 18:09:29,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-12-07 18:09:29,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 3884 transitions. [2019-12-07 18:09:29,281 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 3884 transitions. Stem has 18 letters. Loop has 6 letters. [2019-12-07 18:09:29,282 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 18:09:29,282 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 3884 transitions. Stem has 24 letters. Loop has 6 letters. [2019-12-07 18:09:29,283 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 18:09:29,283 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 3884 transitions. Stem has 18 letters. Loop has 12 letters. [2019-12-07 18:09:29,283 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 18:09:29,284 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3950 states and 6742 transitions. [2019-12-07 18:09:29,312 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 509 [2019-12-07 18:09:29,324 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3950 states to 1051 states and 1924 transitions. [2019-12-07 18:09:29,324 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 540 [2019-12-07 18:09:29,326 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 541 [2019-12-07 18:09:29,326 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1051 states and 1924 transitions. [2019-12-07 18:09:29,327 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 18:09:29,327 INFO L688 BuchiCegarLoop]: Abstraction has 1051 states and 1924 transitions. [2019-12-07 18:09:29,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1051 states and 1924 transitions. [2019-12-07 18:09:29,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1051 to 542. [2019-12-07 18:09:29,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 542 states. [2019-12-07 18:09:29,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 989 transitions. [2019-12-07 18:09:29,368 INFO L711 BuchiCegarLoop]: Abstraction has 542 states and 989 transitions. [2019-12-07 18:09:29,368 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:09:29,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 18:09:29,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 18:09:29,372 INFO L87 Difference]: Start difference. First operand 542 states and 989 transitions. Second operand 3 states. [2019-12-07 18:09:29,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:09:29,411 INFO L93 Difference]: Finished difference Result 1064 states and 1943 transitions. [2019-12-07 18:09:29,411 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 18:09:29,412 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1064 states and 1943 transitions. [2019-12-07 18:09:29,420 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 510 [2019-12-07 18:09:29,429 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1064 states to 1064 states and 1943 transitions. [2019-12-07 18:09:29,430 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 552 [2019-12-07 18:09:29,431 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 552 [2019-12-07 18:09:29,431 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1064 states and 1943 transitions. [2019-12-07 18:09:29,433 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 18:09:29,433 INFO L688 BuchiCegarLoop]: Abstraction has 1064 states and 1943 transitions. [2019-12-07 18:09:29,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1064 states and 1943 transitions. [2019-12-07 18:09:29,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1064 to 541. [2019-12-07 18:09:29,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 541 states. [2019-12-07 18:09:29,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 985 transitions. [2019-12-07 18:09:29,447 INFO L711 BuchiCegarLoop]: Abstraction has 541 states and 985 transitions. [2019-12-07 18:09:29,447 INFO L591 BuchiCegarLoop]: Abstraction has 541 states and 985 transitions. [2019-12-07 18:09:29,447 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-12-07 18:09:29,447 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 541 states and 985 transitions. [2019-12-07 18:09:29,450 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 255 [2019-12-07 18:09:29,450 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 18:09:29,450 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 18:09:29,451 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] [2019-12-07 18:09:29,452 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:09:29,452 INFO L794 eck$LassoCheckResult]: Stem: 6926#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(10);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(34);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(30);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(16);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(20);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(44);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(44);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(9);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(11);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(19);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string49.base, #t~string49.offset, 1);call write~init~int(100, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(10, #t~string49.base, 2 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 3 + #t~string49.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string52.base, #t~string52.offset, 1);call write~init~int(100, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(10, #t~string52.base, 2 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 3 + #t~string52.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(16);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(10);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(12);call #t~string80.base, #t~string80.offset := #Ultimate.allocOnStack(10);call #t~string83.base, #t~string83.offset := #Ultimate.allocOnStack(18);call #t~string86.base, #t~string86.offset := #Ultimate.allocOnStack(13);call #t~string89.base, #t~string89.offset := #Ultimate.allocOnStack(16);call #t~string92.base, #t~string92.offset := #Ultimate.allocOnStack(25);call #t~string112.base, #t~string112.offset := #Ultimate.allocOnStack(30);call #t~string113.base, #t~string113.offset := #Ultimate.allocOnStack(9);call #t~string114.base, #t~string114.offset := #Ultimate.allocOnStack(21);call #t~string115.base, #t~string115.offset := #Ultimate.allocOnStack(30);call #t~string116.base, #t~string116.offset := #Ultimate.allocOnStack(9);call #t~string117.base, #t~string117.offset := #Ultimate.allocOnStack(21);call #t~string121.base, #t~string121.offset := #Ultimate.allocOnStack(30);call #t~string122.base, #t~string122.offset := #Ultimate.allocOnStack(9);call #t~string123.base, #t~string123.offset := #Ultimate.allocOnStack(25);call #t~string124.base, #t~string124.offset := #Ultimate.allocOnStack(30);call #t~string125.base, #t~string125.offset := #Ultimate.allocOnStack(9);call #t~string126.base, #t~string126.offset := #Ultimate.allocOnStack(25);call #t~string130.base, #t~string130.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string130.base, #t~string130.offset, 1);call write~init~int(115, #t~string130.base, 1 + #t~string130.offset, 1);call write~init~int(10, #t~string130.base, 2 + #t~string130.offset, 1);call write~init~int(0, #t~string130.base, 3 + #t~string130.offset, 1);~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~head~0.base, ~head~0.offset := 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; 6531#L-1 havoc main_#res;havoc main_#t~nondet43, main_#t~ret44, main_~retValue_acc~22, main_~tmp~11;main_~retValue_acc~22 := main_#t~nondet43;havoc main_#t~nondet43;havoc main_~tmp~11; 6532#L2515 havoc valid_product_#res;havoc valid_product_~retValue_acc~30;havoc valid_product_~retValue_acc~30;valid_product_~retValue_acc~30 := 1;valid_product_#res := valid_product_~retValue_acc~30; 7016#L2523 main_#t~ret44 := valid_product_#res;main_~tmp~11 := main_#t~ret44;havoc main_#t~ret44; 6523#L1634 assume 0 != main_~tmp~11;havoc setup_#t~nondet38, setup_#t~nondet40, setup_#t~nondet42, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~1.base, setup_~__cil_tmp3~1.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~1.base, setup_~__cil_tmp3~1.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setup_bob__wrappee__Base_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__wrappee__Base_~bob___0;setup_bob__wrappee__Base_~bob___0 := setup_bob__wrappee__Base_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__wrappee__Base_~bob___0, setup_bob__wrappee__Base_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 6524#L1462 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 6781#L1468-2 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; 6815#L1027 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 6760#L1033-2 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string37.base, #t~string37.offset;havoc setup_#t~nondet38;~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; 6771#L1462-2 assume !(1 == setClientId_~handle); 6838#L1465-2 assume 2 == setClientId_~handle;~__ste_client_idCounter1~0 := setClientId_~value; 6739#L1468-5 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; 6740#L1027-2 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 6717#L1033-5 setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string39.base, #t~string39.offset;havoc setup_#t~nondet40;~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; 6718#L1462-4 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 6617#L1468-8 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; 6618#L1027-4 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 6720#L1033-8 setup_~__cil_tmp3~1.base, setup_~__cil_tmp3~1.offset := #t~string41.base, #t~string41.offset;havoc setup_#t~nondet42; 6747#L1621 havoc test_#t~nondet62, test_#t~nondet63, test_#t~nondet64, test_#t~nondet65, test_#t~nondet66, test_#t~nondet67, test_#t~nondet68, test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_~op1~0, test_~op2~0, test_~op3~0, test_~op4~0, test_~op5~0, test_~op6~0, test_~op7~0, test_~op8~0, test_~op9~0, test_~op10~0, test_~op11~0, test_~splverifierCounter~0, test_~tmp~14, test_~tmp___0~4, test_~tmp___1~3, test_~tmp___2~2, test_~tmp___3~1, test_~tmp___4~1, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~14;havoc test_~tmp___0~4;havoc test_~tmp___1~3;havoc test_~tmp___2~2;havoc test_~tmp___3~1;havoc test_~tmp___4~1;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 7059#L1989-1 assume !false; 7023#L1841 [2019-12-07 18:09:29,452 INFO L796 eck$LassoCheckResult]: Loop: 7023#L1841 assume test_~splverifierCounter~0 < 4; 6843#L1842 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 6741#L1848 assume !(0 == test_~op1~0); 6743#L1861 assume !(0 == test_~op2~0); 6884#L1872 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet64;havoc test_#t~nondet64; 6885#L1877 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; 6845#L1027-6 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 6631#L1033-11 test_~op3~0 := 1; 6578#L1989-1 assume !false; 7023#L1841 [2019-12-07 18:09:29,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:09:29,452 INFO L82 PathProgramCache]: Analyzing trace with hash -953559564, now seen corresponding path program 1 times [2019-12-07 18:09:29,453 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:09:29,453 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220498224] [2019-12-07 18:09:29,453 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:09:29,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:09:29,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:09:29,534 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220498224] [2019-12-07 18:09:29,534 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:09:29,534 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-07 18:09:29,534 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018694368] [2019-12-07 18:09:29,534 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-12-07 18:09:29,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:09:29,534 INFO L82 PathProgramCache]: Analyzing trace with hash -1296812605, now seen corresponding path program 1 times [2019-12-07 18:09:29,534 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:09:29,535 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326829534] [2019-12-07 18:09:29,535 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:09:29,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:09:29,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:09:29,552 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:09:29,595 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 18:09:29,595 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 18:09:29,595 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 18:09:29,595 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 18:09:29,595 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-12-07 18:09:29,595 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:09:29,595 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 18:09:29,595 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 18:09:29,595 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec0_product25.cil.c_Iteration2_Loop [2019-12-07 18:09:29,595 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 18:09:29,596 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 18:09:29,597 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:09:29,601 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:09:29,603 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:09:29,608 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:09:29,613 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:09:29,615 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:09:29,619 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:09:29,705 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 18:09:29,705 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0c3324d9-11c2-4e27-9c4c-c11d01bcdfcf/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:09:29,708 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 18:09:29,708 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0c3324d9-11c2-4e27-9c4c-c11d01bcdfcf/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:09:29,715 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-12-07 18:09:29,715 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 18:09:29,721 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-12-07 18:09:29,723 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 18:09:29,723 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 18:09:29,724 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 18:09:29,724 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 18:09:29,724 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 18:09:29,724 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:09:29,724 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 18:09:29,724 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 18:09:29,724 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec0_product25.cil.c_Iteration2_Loop [2019-12-07 18:09:29,724 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 18:09:29,724 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 18:09:29,725 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:09:29,729 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:09:29,731 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:09:29,735 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:09:29,737 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:09:29,740 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:09:29,745 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:09:29,819 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 18:09:29,819 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0c3324d9-11c2-4e27-9c4c-c11d01bcdfcf/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:09:29,822 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 [2019-12-07 18:09:29,823 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:09:29,823 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:09:29,823 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:09:29,823 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:09:29,823 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:09:29,824 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:09:29,824 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:09:29,826 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 18:09:29,828 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-12-07 18:09:29,828 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0c3324d9-11c2-4e27-9c4c-c11d01bcdfcf/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:09:29,831 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 18:09:29,831 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-12-07 18:09:29,831 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 18:09:29,831 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 7 Supporting invariants [] [2019-12-07 18:09:29,833 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-12-07 18:09:29,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:09:29,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:09:29,947 INFO L264 TraceCheckSpWp]: Trace formula consists of 612 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 18:09:29,948 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:09:29,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:09:29,966 INFO L264 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 18:09:29,967 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:09:29,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:09:29,986 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 [2019-12-07 18:09:29,986 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 541 states and 985 transitions. cyclomatic complexity: 446 Second operand 4 states. [2019-12-07 18:09:30,012 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. [2019-12-07 18:09:30,012 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 [2019-12-07 18:09:30,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-12-07 18:09:30,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 515 transitions. [2019-12-07 18:09:30,013 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 515 transitions. Stem has 20 letters. Loop has 9 letters. [2019-12-07 18:09:30,013 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 18:09:30,014 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 515 transitions. Stem has 29 letters. Loop has 9 letters. [2019-12-07 18:09:30,014 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 18:09:30,014 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 515 transitions. Stem has 20 letters. Loop has 18 letters. [2019-12-07 18:09:30,015 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 18:09:30,015 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1055 states and 1929 transitions. [2019-12-07 18:09:30,020 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 18:09:30,020 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1055 states to 0 states and 0 transitions. [2019-12-07 18:09:30,020 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-12-07 18:09:30,021 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-12-07 18:09:30,021 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-12-07 18:09:30,021 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 18:09:30,021 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 18:09:30,021 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 18:09:30,021 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:09:30,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 18:09:30,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 18:09:30,021 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 5 states. [2019-12-07 18:09:30,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:09:30,021 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2019-12-07 18:09:30,021 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 18:09:30,022 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2019-12-07 18:09:30,022 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 18:09:30,022 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 18:09:30,022 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-12-07 18:09:30,022 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-12-07 18:09:30,022 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-12-07 18:09:30,022 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 18:09:30,022 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 18:09:30,022 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 18:09:30,022 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 18:09:30,022 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-12-07 18:09:30,022 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-12-07 18:09:30,022 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 18:09:30,022 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-12-07 18:09:30,026 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 06:09:30 BoogieIcfgContainer [2019-12-07 18:09:30,027 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-12-07 18:09:30,027 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 18:09:30,027 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 18:09:30,027 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 18:09:30,028 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:09:28" (3/4) ... [2019-12-07 18:09:30,030 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 18:09:30,030 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 18:09:30,032 INFO L168 Benchmark]: Toolchain (without parser) took 4036.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 206.0 MB). Free memory was 940.9 MB in the beginning and 892.1 MB in the end (delta: 48.7 MB). Peak memory consumption was 254.8 MB. Max. memory is 11.5 GB. [2019-12-07 18:09:30,032 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:09:30,033 INFO L168 Benchmark]: CACSL2BoogieTranslator took 575.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 940.9 MB in the beginning and 1.1 GB in the end (delta: -146.0 MB). Peak memory consumption was 31.0 MB. Max. memory is 11.5 GB. [2019-12-07 18:09:30,033 INFO L168 Benchmark]: Boogie Procedure Inliner took 90.53 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: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 11.5 GB. [2019-12-07 18:09:30,034 INFO L168 Benchmark]: Boogie Preprocessor took 88.02 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-12-07 18:09:30,034 INFO L168 Benchmark]: RCFGBuilder took 1465.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 965.8 MB in the end (delta: 93.1 MB). Peak memory consumption was 201.8 MB. Max. memory is 11.5 GB. [2019-12-07 18:09:30,035 INFO L168 Benchmark]: BuchiAutomizer took 1810.77 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 65.0 MB). Free memory was 965.8 MB in the beginning and 898.5 MB in the end (delta: 67.3 MB). Peak memory consumption was 132.3 MB. Max. memory is 11.5 GB. [2019-12-07 18:09:30,035 INFO L168 Benchmark]: Witness Printer took 3.20 ms. Allocated memory is still 1.2 GB. Free memory was 898.5 MB in the beginning and 892.1 MB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. [2019-12-07 18:09:30,038 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 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 575.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 940.9 MB in the beginning and 1.1 GB in the end (delta: -146.0 MB). Peak memory consumption was 31.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 90.53 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: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 88.02 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1465.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 965.8 MB in the end (delta: 93.1 MB). Peak memory consumption was 201.8 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1810.77 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 65.0 MB). Free memory was 965.8 MB in the beginning and 898.5 MB in the end (delta: 67.3 MB). Peak memory consumption was 132.3 MB. Max. memory is 11.5 GB. * Witness Printer took 3.20 ms. Allocated memory is still 1.2 GB. Free memory was 898.5 MB in the beginning and 892.1 MB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. 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 1.7s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 0.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.6s. 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: 4409 SDtfs, 3907 SDslu, 5693 SDs, 0 SdLazy, 26 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT2 lasso0 LassoPreprocessingBenchmarks: Lassos: inital38 mio100 ax100 hnf100 lsp29 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq189 hnf90 smp100 dnf134 smp100 tf108 neg92 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 21ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...