./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/email_spec0_productSimulator.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_f095eb70-1013-4de7-9f5f-43e2edd07574/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_f095eb70-1013-4de7-9f5f-43e2edd07574/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f095eb70-1013-4de7-9f5f-43e2edd07574/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f095eb70-1013-4de7-9f5f-43e2edd07574/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/email_spec0_productSimulator.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_f095eb70-1013-4de7-9f5f-43e2edd07574/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f095eb70-1013-4de7-9f5f-43e2edd07574/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 5fab3f90a1aee61d3065b7ed4160d4da951b5e06 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 10:08:46,644 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 10:08:46,645 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 10:08:46,654 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 10:08:46,654 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 10:08:46,655 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 10:08:46,656 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 10:08:46,658 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 10:08:46,659 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 10:08:46,660 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 10:08:46,661 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 10:08:46,662 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 10:08:46,662 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 10:08:46,663 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 10:08:46,664 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 10:08:46,665 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 10:08:46,666 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 10:08:46,667 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 10:08:46,669 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 10:08:46,671 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 10:08:46,672 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 10:08:46,673 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 10:08:46,674 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 10:08:46,675 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 10:08:46,677 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 10:08:46,678 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 10:08:46,678 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 10:08:46,678 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 10:08:46,679 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 10:08:46,679 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 10:08:46,680 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 10:08:46,680 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 10:08:46,681 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 10:08:46,681 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 10:08:46,682 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 10:08:46,682 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 10:08:46,683 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 10:08:46,683 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 10:08:46,683 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 10:08:46,684 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 10:08:46,684 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 10:08:46,685 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f095eb70-1013-4de7-9f5f-43e2edd07574/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-12-07 10:08:46,698 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 10:08:46,698 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 10:08:46,699 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 10:08:46,699 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 10:08:46,699 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 10:08:46,699 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 10:08:46,699 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 10:08:46,699 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 10:08:46,699 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 10:08:46,699 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 10:08:46,700 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 10:08:46,700 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 10:08:46,700 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 10:08:46,700 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 10:08:46,700 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 10:08:46,700 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 10:08:46,701 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 10:08:46,701 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 10:08:46,701 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 10:08:46,701 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 10:08:46,701 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 10:08:46,701 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 10:08:46,701 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 10:08:46,701 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 10:08:46,701 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 10:08:46,702 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 10:08:46,702 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 10:08:46,702 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 10:08:46,702 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 10:08:46,702 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 10:08:46,702 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 10:08:46,702 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 10:08:46,703 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 10:08:46,703 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_f095eb70-1013-4de7-9f5f-43e2edd07574/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 -> 5fab3f90a1aee61d3065b7ed4160d4da951b5e06 [2019-12-07 10:08:46,815 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 10:08:46,822 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 10:08:46,825 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 10:08:46,827 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 10:08:46,827 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 10:08:46,827 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f095eb70-1013-4de7-9f5f-43e2edd07574/bin/uautomizer/../../sv-benchmarks/c/product-lines/email_spec0_productSimulator.cil.c [2019-12-07 10:08:46,870 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f095eb70-1013-4de7-9f5f-43e2edd07574/bin/uautomizer/data/eece188c0/9730194f8658414cba9aae98546e7a6c/FLAGf96d72e10 [2019-12-07 10:08:47,306 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 10:08:47,306 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f095eb70-1013-4de7-9f5f-43e2edd07574/sv-benchmarks/c/product-lines/email_spec0_productSimulator.cil.c [2019-12-07 10:08:47,320 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f095eb70-1013-4de7-9f5f-43e2edd07574/bin/uautomizer/data/eece188c0/9730194f8658414cba9aae98546e7a6c/FLAGf96d72e10 [2019-12-07 10:08:47,328 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f095eb70-1013-4de7-9f5f-43e2edd07574/bin/uautomizer/data/eece188c0/9730194f8658414cba9aae98546e7a6c [2019-12-07 10:08:47,330 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 10:08:47,331 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 10:08:47,332 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 10:08:47,332 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 10:08:47,334 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 10:08:47,334 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:08:47" (1/1) ... [2019-12-07 10:08:47,336 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2917e362 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:08:47, skipping insertion in model container [2019-12-07 10:08:47,336 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:08:47" (1/1) ... [2019-12-07 10:08:47,341 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 10:08:47,380 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 10:08:47,751 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:08:47,760 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 10:08:47,827 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:08:47,916 INFO L208 MainTranslator]: Completed translation [2019-12-07 10:08:47,917 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:08:47 WrapperNode [2019-12-07 10:08:47,917 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 10:08:47,917 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 10:08:47,917 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 10:08:47,917 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 10:08:47,923 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:08:47" (1/1) ... [2019-12-07 10:08:47,948 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:08:47" (1/1) ... [2019-12-07 10:08:49,950 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 10:08:49,951 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 10:08:49,951 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 10:08:49,951 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 10:08:49,959 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:08:47" (1/1) ... [2019-12-07 10:08:49,959 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:08:47" (1/1) ... [2019-12-07 10:08:50,157 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:08:47" (1/1) ... [2019-12-07 10:08:50,157 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:08:47" (1/1) ... [2019-12-07 10:08:50,763 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:08:47" (1/1) ... [2019-12-07 10:08:51,001 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:08:47" (1/1) ... [2019-12-07 10:08:51,264 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:08:47" (1/1) ... [2019-12-07 10:08:51,674 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 10:08:51,675 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 10:08:51,675 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 10:08:51,675 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 10:08:51,675 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:08:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f095eb70-1013-4de7-9f5f-43e2edd07574/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 10:08:51,724 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-12-07 10:08:51,724 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 10:08:51,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-07 10:08:51,724 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 10:08:51,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 10:09:35,399 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 10:09:35,400 INFO L287 CfgBuilder]: Removed 37403 assume(true) statements. [2019-12-07 10:09:35,413 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:09:35 BoogieIcfgContainer [2019-12-07 10:09:35,413 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 10:09:35,414 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 10:09:35,414 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 10:09:35,416 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 10:09:35,416 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 10:09:35,416 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 10:08:47" (1/3) ... [2019-12-07 10:09:35,417 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5e2c3def and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 10:09:35, skipping insertion in model container [2019-12-07 10:09:35,417 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 10:09:35,417 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:08:47" (2/3) ... [2019-12-07 10:09:35,417 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5e2c3def and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 10:09:35, skipping insertion in model container [2019-12-07 10:09:35,418 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 10:09:35,418 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:09:35" (3/3) ... [2019-12-07 10:09:35,419 INFO L371 chiAutomizerObserver]: Analyzing ICFG email_spec0_productSimulator.cil.c [2019-12-07 10:09:35,446 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 10:09:35,446 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 10:09:35,446 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 10:09:35,447 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 10:09:35,447 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 10:09:35,447 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 10:09:35,447 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 10:09:35,447 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 10:09:35,699 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 35988 states. [2019-12-07 10:09:35,985 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 270 [2019-12-07 10:09:35,986 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 10:09:35,986 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 10:09:35,993 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, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:09:35,993 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:09:35,993 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 10:09:35,993 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 35988 states. [2019-12-07 10:09:36,168 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 270 [2019-12-07 10:09:36,168 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 10:09:36,169 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 10:09:36,170 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, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:09:36,170 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:09:36,175 INFO L794 eck$LassoCheckResult]: Stem: 5749#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(10);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(34);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(30);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(16);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(20);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(22);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(21);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string47.base, #t~string47.offset, 1);call write~init~int(115, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(10, #t~string47.base, 2 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 3 + #t~string47.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(44);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(44);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(11);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(19);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string69.base, #t~string69.offset, 1);call write~init~int(100, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(10, #t~string69.base, 2 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 3 + #t~string69.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string72.base, #t~string72.offset, 1);call write~init~int(100, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(10, #t~string72.base, 2 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 3 + #t~string72.offset, 1);call #t~string90.base, #t~string90.offset := #Ultimate.allocOnStack(16);call #t~string94.base, #t~string94.offset := #Ultimate.allocOnStack(10);call #t~string97.base, #t~string97.offset := #Ultimate.allocOnStack(12);call #t~string100.base, #t~string100.offset := #Ultimate.allocOnStack(10);call #t~string103.base, #t~string103.offset := #Ultimate.allocOnStack(18);call #t~string106.base, #t~string106.offset := #Ultimate.allocOnStack(16);call #t~string109.base, #t~string109.offset := #Ultimate.allocOnStack(21);call #t~string112.base, #t~string112.offset := #Ultimate.allocOnStack(13);call #t~string115.base, #t~string115.offset := #Ultimate.allocOnStack(16);call #t~string118.base, #t~string118.offset := #Ultimate.allocOnStack(25);call #t~string142.base, #t~string142.offset := #Ultimate.allocOnStack(30);call #t~string143.base, #t~string143.offset := #Ultimate.allocOnStack(9);call #t~string144.base, #t~string144.offset := #Ultimate.allocOnStack(21);call #t~string145.base, #t~string145.offset := #Ultimate.allocOnStack(30);call #t~string146.base, #t~string146.offset := #Ultimate.allocOnStack(9);call #t~string147.base, #t~string147.offset := #Ultimate.allocOnStack(21);call #t~string151.base, #t~string151.offset := #Ultimate.allocOnStack(30);call #t~string152.base, #t~string152.offset := #Ultimate.allocOnStack(9);call #t~string153.base, #t~string153.offset := #Ultimate.allocOnStack(25);call #t~string154.base, #t~string154.offset := #Ultimate.allocOnStack(30);call #t~string155.base, #t~string155.offset := #Ultimate.allocOnStack(9);call #t~string156.base, #t~string156.offset := #Ultimate.allocOnStack(25);~__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;~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;~__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;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 19239#L-1true havoc main_#res;havoc main_#t~ret64, main_~retValue_acc~36, main_~tmp~16;havoc main_~retValue_acc~36;havoc main_~tmp~16;~__GUIDSL_ROOT_PRODUCTION~0 := 1; 11416#L86true havoc select_features_#t~ret1, select_features_#t~ret2, select_features_#t~ret3, select_features_#t~ret4, select_features_#t~ret5, select_features_#t~ret6, select_features_#t~ret7, select_features_#t~ret8;havoc select_one_#res;havoc select_one_#t~nondet0, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet0;havoc select_one_#t~nondet0;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 9769#L59true select_features_#t~ret1 := select_one_#res;~__SELECTED_FEATURE_Base~0 := select_features_#t~ret1;havoc select_features_#t~ret1;havoc select_one_#res;havoc select_one_#t~nondet0, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet0;havoc select_one_#t~nondet0;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 9765#L59-1true select_features_#t~ret2 := select_one_#res;~__SELECTED_FEATURE_Keys~0 := select_features_#t~ret2;havoc select_features_#t~ret2;havoc select_one_#res;havoc select_one_#t~nondet0, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet0;havoc select_one_#t~nondet0;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 9804#L59-2true select_features_#t~ret3 := select_one_#res;~__SELECTED_FEATURE_Encrypt~0 := select_features_#t~ret3;havoc select_features_#t~ret3;havoc select_one_#res;havoc select_one_#t~nondet0, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet0;havoc select_one_#t~nondet0;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 9800#L59-3true select_features_#t~ret4 := select_one_#res;~__SELECTED_FEATURE_AutoResponder~0 := select_features_#t~ret4;havoc select_features_#t~ret4;havoc select_one_#res;havoc select_one_#t~nondet0, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet0;havoc select_one_#t~nondet0;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 9794#L59-4true select_features_#t~ret5 := select_one_#res;~__SELECTED_FEATURE_AddressBook~0 := select_features_#t~ret5;havoc select_features_#t~ret5;havoc select_one_#res;havoc select_one_#t~nondet0, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet0;havoc select_one_#t~nondet0;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 9790#L59-5true select_features_#t~ret6 := select_one_#res;~__SELECTED_FEATURE_Sign~0 := select_features_#t~ret6;havoc select_features_#t~ret6;~__SELECTED_FEATURE_Forward~0 := 1;havoc select_one_#res;havoc select_one_#t~nondet0, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet0;havoc select_one_#t~nondet0;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 9786#L59-6true select_features_#t~ret7 := select_one_#res;~__SELECTED_FEATURE_Verify~0 := select_features_#t~ret7;havoc select_features_#t~ret7;havoc select_one_#res;havoc select_one_#t~nondet0, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet0;havoc select_one_#t~nondet0;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 9740#L59-7true select_features_#t~ret8 := select_one_#res;~__SELECTED_FEATURE_Decrypt~0 := select_features_#t~ret8;havoc select_features_#t~ret8; 9634#L78true havoc valid_product_#res;havoc valid_product_~retValue_acc~1, valid_product_~tmp~0;havoc valid_product_~retValue_acc~1;havoc valid_product_~tmp~0; 11982#L94true assume !(0 == ~__SELECTED_FEATURE_Encrypt~0); 11817#L97true assume !(0 != ~__SELECTED_FEATURE_Decrypt~0);valid_product_~tmp~0 := 0; 11812#L97-1true valid_product_~retValue_acc~1 := valid_product_~tmp~0;valid_product_#res := valid_product_~retValue_acc~1; 7957#L154true main_#t~ret64 := valid_product_#res;main_~tmp~16 := main_#t~ret64;havoc main_#t~ret64; 34903#L2442true assume 0 != main_~tmp~16;havoc setup_#t~nondet59, setup_#t~nondet61, setup_#t~nondet63, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.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_tmp3~3.base, setup_~__cil_tmp3~3.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; 8715#L2286true assume !(0 != ~__SELECTED_FEATURE_Keys~0);setup_bob__before__Keys_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__before__Keys_~bob___0;setup_bob__before__Keys_~bob___0 := setup_bob__before__Keys_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__before__Keys_~bob___0, setup_bob__before__Keys_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 33133#L1822-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 32680#L1828-5true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string58.base, #t~string58.offset;havoc setup_#t~nondet59;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0; 8481#L2324true assume !(0 != ~__SELECTED_FEATURE_Keys~0);setup_rjh__before__Keys_#in~rjh___0 := setup_rjh_~rjh___0;havoc setup_rjh__before__Keys_~rjh___0;setup_rjh__before__Keys_~rjh___0 := setup_rjh__before__Keys_#in~rjh___0;setClientId_#in~handle, setClientId_#in~value := setup_rjh__before__Keys_~rjh___0, setup_rjh__before__Keys_~rjh___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 33130#L1822-6true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 32661#L1828-11true setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string60.base, #t~string60.offset;havoc setup_#t~nondet61;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0; 310#L2362true assume !(0 != ~__SELECTED_FEATURE_Keys~0);setup_chuck__before__Keys_#in~chuck___0 := setup_chuck_~chuck___0;havoc setup_chuck__before__Keys_~chuck___0;setup_chuck__before__Keys_~chuck___0 := setup_chuck__before__Keys_#in~chuck___0;setClientId_#in~handle, setClientId_#in~value := setup_chuck__before__Keys_~chuck___0, setup_chuck__before__Keys_~chuck___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 33129#L1822-10true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 32660#L1828-17true setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset := #t~string62.base, #t~string62.offset;havoc setup_#t~nondet63; 35106#L2429true havoc test_#t~nondet79, test_#t~nondet80, test_#t~nondet81, test_#t~nondet82, test_#t~nondet83, test_#t~nondet84, test_#t~nondet85, test_#t~nondet86, test_#t~nondet87, test_#t~nondet88, test_#t~nondet89, test_~op1~0, test_~op2~0, test_~op3~0, test_~op4~0, test_~op5~0, test_~op6~0, test_~op7~0, test_~op8~0, test_~op9~0, test_~op10~0, test_~op11~0, test_~splverifierCounter~0, test_~tmp~18, test_~tmp___0~6, test_~tmp___1~4, test_~tmp___2~3, test_~tmp___3~1, test_~tmp___4~1, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~18;havoc test_~tmp___0~6;havoc test_~tmp___1~4;havoc test_~tmp___2~3;havoc test_~tmp___3~1;havoc test_~tmp___4~1;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 20247#L2830-1true [2019-12-07 10:09:36,175 INFO L796 eck$LassoCheckResult]: Loop: 20247#L2830-1true assume !false; 31121#L2639true assume test_~splverifierCounter~0 < 4; 31024#L2640true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 30157#L2646true assume 0 == test_~op1~0;test_~tmp___9~0 := test_#t~nondet79;havoc test_#t~nondet79; 32606#L2650true assume 0 != test_~tmp___9~0; 32472#L2651true assume !(0 != ~__SELECTED_FEATURE_Keys~0); 32477#L2651-1true test_~op1~0 := 1; 20247#L2830-1true [2019-12-07 10:09:36,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:09:36,180 INFO L82 PathProgramCache]: Analyzing trace with hash -2102633898, now seen corresponding path program 1 times [2019-12-07 10:09:36,186 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:09:36,187 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273544061] [2019-12-07 10:09:36,187 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:09:36,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:09:36,408 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 10:09:36,408 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1273544061] [2019-12-07 10:09:36,409 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:09:36,409 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-07 10:09:36,410 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560467936] [2019-12-07 10:09:36,414 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-12-07 10:09:36,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:09:36,415 INFO L82 PathProgramCache]: Analyzing trace with hash 569592791, now seen corresponding path program 1 times [2019-12-07 10:09:36,415 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:09:36,415 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848057649] [2019-12-07 10:09:36,416 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:09:36,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:09:36,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:09:36,448 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 10:09:36,479 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 10:09:36,479 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 10:09:36,479 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 10:09:36,479 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 10:09:36,479 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-12-07 10:09:36,480 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:09:36,480 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 10:09:36,480 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 10:09:36,480 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec0_productSimulator.cil.c_Iteration1_Loop [2019-12-07 10:09:36,480 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 10:09:36,480 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 10:09:36,495 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 10:09:36,504 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 10:09:36,508 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 10:09:36,510 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 10:09:36,567 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 10:09:36,568 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f095eb70-1013-4de7-9f5f-43e2edd07574/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 10:09:36,572 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 10:09:36,572 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f095eb70-1013-4de7-9f5f-43e2edd07574/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 10:09:36,582 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-12-07 10:09:36,582 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 10:09:36,587 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-12-07 10:09:36,589 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 10:09:36,589 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 10:09:36,589 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 10:09:36,589 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 10:09:36,590 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 10:09:36,590 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:09:36,590 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 10:09:36,590 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 10:09:36,590 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec0_productSimulator.cil.c_Iteration1_Loop [2019-12-07 10:09:36,590 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 10:09:36,590 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 10:09:36,591 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 10:09:36,596 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 10:09:36,601 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 10:09:36,603 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 10:09:36,648 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 10:09:36,652 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f095eb70-1013-4de7-9f5f-43e2edd07574/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 10:09:36,656 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 10:09:36,658 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:09:36,658 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:09:36,659 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:09:36,659 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:09:36,659 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:09:36,661 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:09:36,661 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:09:36,663 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 10:09:36,667 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-12-07 10:09:36,667 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_f095eb70-1013-4de7-9f5f-43e2edd07574/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 10:09:36,671 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 10:09:36,672 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-12-07 10:09:36,672 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 10:09:36,673 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op1~0) = -2*ULTIMATE.start_test_~op1~0 + 1 Supporting invariants [] [2019-12-07 10:09:36,677 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-12-07 10:09:36,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:09:36,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:09:36,827 INFO L264 TraceCheckSpWp]: Trace formula consists of 654 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 10:09:36,830 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:09:36,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:09:36,854 INFO L264 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 10:09:36,855 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:09:36,870 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 10:09:36,881 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 10:09:36,882 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 35988 states. Second operand 4 states. [2019-12-07 10:09:39,759 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 35988 states.. Second operand 4 states. Result 179311 states and 286432 transitions. Complement of second has 7 states. [2019-12-07 10:09:39,760 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 10:09:39,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-12-07 10:09:39,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 171876 transitions. [2019-12-07 10:09:39,883 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 171876 transitions. Stem has 27 letters. Loop has 7 letters. [2019-12-07 10:09:39,884 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 10:09:39,884 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 171876 transitions. Stem has 34 letters. Loop has 7 letters. [2019-12-07 10:09:39,884 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 10:09:39,885 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 171876 transitions. Stem has 27 letters. Loop has 14 letters. [2019-12-07 10:09:39,885 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 10:09:39,886 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 179311 states and 286432 transitions. [2019-12-07 10:09:40,403 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 435 [2019-12-07 10:09:40,414 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 179311 states to 990 states and 1812 transitions. [2019-12-07 10:09:40,415 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 501 [2019-12-07 10:09:40,416 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 502 [2019-12-07 10:09:40,417 INFO L73 IsDeterministic]: Start isDeterministic. Operand 990 states and 1812 transitions. [2019-12-07 10:09:40,419 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 10:09:40,419 INFO L688 BuchiCegarLoop]: Abstraction has 990 states and 1812 transitions. [2019-12-07 10:09:40,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 990 states and 1812 transitions. [2019-12-07 10:09:40,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 990 to 555. [2019-12-07 10:09:40,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 555 states. [2019-12-07 10:09:40,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 555 states and 1011 transitions. [2019-12-07 10:09:40,462 INFO L711 BuchiCegarLoop]: Abstraction has 555 states and 1011 transitions. [2019-12-07 10:09:40,462 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 10:09:40,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 10:09:40,465 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 10:09:40,466 INFO L87 Difference]: Start difference. First operand 555 states and 1011 transitions. Second operand 5 states. [2019-12-07 10:09:40,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:09:40,516 INFO L93 Difference]: Finished difference Result 558 states and 1013 transitions. [2019-12-07 10:09:40,517 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 10:09:40,517 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 558 states and 1013 transitions. [2019-12-07 10:09:40,520 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 218 [2019-12-07 10:09:40,525 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 558 states to 555 states and 1004 transitions. [2019-12-07 10:09:40,525 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 284 [2019-12-07 10:09:40,526 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 284 [2019-12-07 10:09:40,526 INFO L73 IsDeterministic]: Start isDeterministic. Operand 555 states and 1004 transitions. [2019-12-07 10:09:40,526 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 10:09:40,526 INFO L688 BuchiCegarLoop]: Abstraction has 555 states and 1004 transitions. [2019-12-07 10:09:40,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 555 states and 1004 transitions. [2019-12-07 10:09:40,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 555 to 555. [2019-12-07 10:09:40,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 555 states. [2019-12-07 10:09:40,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 555 states and 1004 transitions. [2019-12-07 10:09:40,539 INFO L711 BuchiCegarLoop]: Abstraction has 555 states and 1004 transitions. [2019-12-07 10:09:40,539 INFO L591 BuchiCegarLoop]: Abstraction has 555 states and 1004 transitions. [2019-12-07 10:09:40,539 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-12-07 10:09:40,539 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 555 states and 1004 transitions. [2019-12-07 10:09:40,540 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 218 [2019-12-07 10:09:40,540 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 10:09:40,540 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 10:09:40,542 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:09:40,542 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:09:40,542 INFO L794 eck$LassoCheckResult]: Stem: 216826#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(10);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(34);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(30);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(16);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(20);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(22);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(21);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string47.base, #t~string47.offset, 1);call write~init~int(115, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(10, #t~string47.base, 2 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 3 + #t~string47.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(44);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(44);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(11);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(19);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string69.base, #t~string69.offset, 1);call write~init~int(100, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(10, #t~string69.base, 2 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 3 + #t~string69.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string72.base, #t~string72.offset, 1);call write~init~int(100, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(10, #t~string72.base, 2 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 3 + #t~string72.offset, 1);call #t~string90.base, #t~string90.offset := #Ultimate.allocOnStack(16);call #t~string94.base, #t~string94.offset := #Ultimate.allocOnStack(10);call #t~string97.base, #t~string97.offset := #Ultimate.allocOnStack(12);call #t~string100.base, #t~string100.offset := #Ultimate.allocOnStack(10);call #t~string103.base, #t~string103.offset := #Ultimate.allocOnStack(18);call #t~string106.base, #t~string106.offset := #Ultimate.allocOnStack(16);call #t~string109.base, #t~string109.offset := #Ultimate.allocOnStack(21);call #t~string112.base, #t~string112.offset := #Ultimate.allocOnStack(13);call #t~string115.base, #t~string115.offset := #Ultimate.allocOnStack(16);call #t~string118.base, #t~string118.offset := #Ultimate.allocOnStack(25);call #t~string142.base, #t~string142.offset := #Ultimate.allocOnStack(30);call #t~string143.base, #t~string143.offset := #Ultimate.allocOnStack(9);call #t~string144.base, #t~string144.offset := #Ultimate.allocOnStack(21);call #t~string145.base, #t~string145.offset := #Ultimate.allocOnStack(30);call #t~string146.base, #t~string146.offset := #Ultimate.allocOnStack(9);call #t~string147.base, #t~string147.offset := #Ultimate.allocOnStack(21);call #t~string151.base, #t~string151.offset := #Ultimate.allocOnStack(30);call #t~string152.base, #t~string152.offset := #Ultimate.allocOnStack(9);call #t~string153.base, #t~string153.offset := #Ultimate.allocOnStack(25);call #t~string154.base, #t~string154.offset := #Ultimate.allocOnStack(30);call #t~string155.base, #t~string155.offset := #Ultimate.allocOnStack(9);call #t~string156.base, #t~string156.offset := #Ultimate.allocOnStack(25);~__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;~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;~__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;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 216564#L-1 havoc main_#res;havoc main_#t~ret64, main_~retValue_acc~36, main_~tmp~16;havoc main_~retValue_acc~36;havoc main_~tmp~16;~__GUIDSL_ROOT_PRODUCTION~0 := 1; 216565#L86 havoc select_features_#t~ret1, select_features_#t~ret2, select_features_#t~ret3, select_features_#t~ret4, select_features_#t~ret5, select_features_#t~ret6, select_features_#t~ret7, select_features_#t~ret8;havoc select_one_#res;havoc select_one_#t~nondet0, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet0;havoc select_one_#t~nondet0;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 216607#L59 select_features_#t~ret1 := select_one_#res;~__SELECTED_FEATURE_Base~0 := select_features_#t~ret1;havoc select_features_#t~ret1;havoc select_one_#res;havoc select_one_#t~nondet0, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet0;havoc select_one_#t~nondet0;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 216603#L59-1 select_features_#t~ret2 := select_one_#res;~__SELECTED_FEATURE_Keys~0 := select_features_#t~ret2;havoc select_features_#t~ret2;havoc select_one_#res;havoc select_one_#t~nondet0, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet0;havoc select_one_#t~nondet0;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 216604#L59-2 select_features_#t~ret3 := select_one_#res;~__SELECTED_FEATURE_Encrypt~0 := select_features_#t~ret3;havoc select_features_#t~ret3;havoc select_one_#res;havoc select_one_#t~nondet0, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet0;havoc select_one_#t~nondet0;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 216639#L59-3 select_features_#t~ret4 := select_one_#res;~__SELECTED_FEATURE_AutoResponder~0 := select_features_#t~ret4;havoc select_features_#t~ret4;havoc select_one_#res;havoc select_one_#t~nondet0, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet0;havoc select_one_#t~nondet0;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 216634#L59-4 select_features_#t~ret5 := select_one_#res;~__SELECTED_FEATURE_AddressBook~0 := select_features_#t~ret5;havoc select_features_#t~ret5;havoc select_one_#res;havoc select_one_#t~nondet0, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet0;havoc select_one_#t~nondet0;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 216623#L59-5 select_features_#t~ret6 := select_one_#res;~__SELECTED_FEATURE_Sign~0 := select_features_#t~ret6;havoc select_features_#t~ret6;~__SELECTED_FEATURE_Forward~0 := 1;havoc select_one_#res;havoc select_one_#t~nondet0, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet0;havoc select_one_#t~nondet0;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 216610#L59-6 select_features_#t~ret7 := select_one_#res;~__SELECTED_FEATURE_Verify~0 := select_features_#t~ret7;havoc select_features_#t~ret7;havoc select_one_#res;havoc select_one_#t~nondet0, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet0;havoc select_one_#t~nondet0;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 216562#L59-7 select_features_#t~ret8 := select_one_#res;~__SELECTED_FEATURE_Decrypt~0 := select_features_#t~ret8;havoc select_features_#t~ret8; 216563#L78 havoc valid_product_#res;havoc valid_product_~retValue_acc~1, valid_product_~tmp~0;havoc valid_product_~retValue_acc~1;havoc valid_product_~tmp~0; 216958#L94 assume 0 == ~__SELECTED_FEATURE_Encrypt~0; 216576#L98 assume 0 == ~__SELECTED_FEATURE_Decrypt~0; 216577#L103 assume 0 == ~__SELECTED_FEATURE_Encrypt~0; 216608#L108 assume 0 == ~__SELECTED_FEATURE_Sign~0; 216706#L113 assume 0 == ~__SELECTED_FEATURE_Verify~0; 216945#L118 assume 0 == ~__SELECTED_FEATURE_Sign~0; 216951#L123 assume 0 != ~__SELECTED_FEATURE_Base~0;valid_product_~tmp~0 := 1; 216691#L97-1 valid_product_~retValue_acc~1 := valid_product_~tmp~0;valid_product_#res := valid_product_~retValue_acc~1; 216692#L154 main_#t~ret64 := valid_product_#res;main_~tmp~16 := main_#t~ret64;havoc main_#t~ret64; 216796#L2442 assume 0 != main_~tmp~16;havoc setup_#t~nondet59, setup_#t~nondet61, setup_#t~nondet63, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.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_tmp3~3.base, setup_~__cil_tmp3~3.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; 216933#L2286 assume !(0 != ~__SELECTED_FEATURE_Keys~0);setup_bob__before__Keys_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__before__Keys_~bob___0;setup_bob__before__Keys_~bob___0 := setup_bob__before__Keys_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__before__Keys_~bob___0, setup_bob__before__Keys_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 216839#L1822-2 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 216766#L1828-5 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string58.base, #t~string58.offset;havoc setup_#t~nondet59;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0; 216775#L2324 assume !(0 != ~__SELECTED_FEATURE_Keys~0);setup_rjh__before__Keys_#in~rjh___0 := setup_rjh_~rjh___0;havoc setup_rjh__before__Keys_~rjh___0;setup_rjh__before__Keys_~rjh___0 := setup_rjh__before__Keys_#in~rjh___0;setClientId_#in~handle, setClientId_#in~value := setup_rjh__before__Keys_~rjh___0, setup_rjh__before__Keys_~rjh___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 216811#L1822-6 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 216735#L1828-11 setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string60.base, #t~string60.offset;havoc setup_#t~nondet61;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0; 216790#L2362 assume !(0 != ~__SELECTED_FEATURE_Keys~0);setup_chuck__before__Keys_#in~chuck___0 := setup_chuck_~chuck___0;havoc setup_chuck__before__Keys_~chuck___0;setup_chuck__before__Keys_~chuck___0 := setup_chuck__before__Keys_#in~chuck___0;setClientId_#in~handle, setClientId_#in~value := setup_chuck__before__Keys_~chuck___0, setup_chuck__before__Keys_~chuck___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 216776#L1822-10 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 216763#L1828-17 setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset := #t~string62.base, #t~string62.offset;havoc setup_#t~nondet63; 216946#L2429 havoc test_#t~nondet79, test_#t~nondet80, test_#t~nondet81, test_#t~nondet82, test_#t~nondet83, test_#t~nondet84, test_#t~nondet85, test_#t~nondet86, test_#t~nondet87, test_#t~nondet88, test_#t~nondet89, test_~op1~0, test_~op2~0, test_~op3~0, test_~op4~0, test_~op5~0, test_~op6~0, test_~op7~0, test_~op8~0, test_~op9~0, test_~op10~0, test_~op11~0, test_~splverifierCounter~0, test_~tmp~18, test_~tmp___0~6, test_~tmp___1~4, test_~tmp___2~3, test_~tmp___3~1, test_~tmp___4~1, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~18;havoc test_~tmp___0~6;havoc test_~tmp___1~4;havoc test_~tmp___2~3;havoc test_~tmp___3~1;havoc test_~tmp___4~1;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 216947#L2830-1 assume !false; 216743#L2639 [2019-12-07 10:09:40,542 INFO L796 eck$LassoCheckResult]: Loop: 216743#L2639 assume test_~splverifierCounter~0 < 4; 217064#L2640 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 216678#L2646 assume !(0 == test_~op1~0); 216613#L2663 assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet80;havoc test_#t~nondet80; 216614#L2668 assume 0 != test_~tmp___8~0; 216547#L2669 assume !(0 != ~__SELECTED_FEATURE_AutoResponder~0); 216549#L2669-1 test_~op2~0 := 1; 216556#L2830-1 assume !false; 216743#L2639 [2019-12-07 10:09:40,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:09:40,543 INFO L82 PathProgramCache]: Analyzing trace with hash 507241003, now seen corresponding path program 1 times [2019-12-07 10:09:40,543 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:09:40,543 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379955293] [2019-12-07 10:09:40,543 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:09:40,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:09:40,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:09:40,628 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379955293] [2019-12-07 10:09:40,629 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:09:40,629 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 10:09:40,629 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033543793] [2019-12-07 10:09:40,629 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-12-07 10:09:40,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:09:40,630 INFO L82 PathProgramCache]: Analyzing trace with hash 1422577527, now seen corresponding path program 1 times [2019-12-07 10:09:40,630 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:09:40,630 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603409846] [2019-12-07 10:09:40,630 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:09:40,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:09:40,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:09:40,649 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 10:09:40,672 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 10:09:40,672 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 10:09:40,673 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 10:09:40,673 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 10:09:40,673 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-12-07 10:09:40,673 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:09:40,673 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 10:09:40,673 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 10:09:40,673 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec0_productSimulator.cil.c_Iteration2_Loop [2019-12-07 10:09:40,673 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 10:09:40,673 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 10:09:40,675 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 10:09:40,679 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 10:09:40,681 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 10:09:40,684 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 10:09:40,688 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 10:09:40,743 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 10:09:40,743 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f095eb70-1013-4de7-9f5f-43e2edd07574/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 10:09:40,746 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 10:09:40,746 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f095eb70-1013-4de7-9f5f-43e2edd07574/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 10:09:40,753 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-12-07 10:09:40,753 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 10:09:40,756 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-12-07 10:09:40,758 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 10:09:40,759 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 10:09:40,759 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 10:09:40,759 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 10:09:40,759 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 10:09:40,759 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:09:40,759 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 10:09:40,759 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 10:09:40,759 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec0_productSimulator.cil.c_Iteration2_Loop [2019-12-07 10:09:40,759 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 10:09:40,759 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 10:09:40,760 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 10:09:40,764 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 10:09:40,766 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 10:09:40,768 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 10:09:40,772 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 10:09:40,832 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 10:09:40,832 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f095eb70-1013-4de7-9f5f-43e2edd07574/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 10:09:40,836 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 10:09:40,837 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:09:40,837 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:09:40,838 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:09:40,838 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:09:40,838 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:09:40,839 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:09:40,839 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:09:40,841 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 10:09:40,844 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-12-07 10:09:40,844 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_f095eb70-1013-4de7-9f5f-43e2edd07574/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 10:09:40,847 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 10:09:40,847 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-12-07 10:09:40,847 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 10:09:40,848 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 10:09:40,850 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-12-07 10:09:40,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:09:40,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:09:40,969 INFO L264 TraceCheckSpWp]: Trace formula consists of 665 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 10:09:40,971 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:09:40,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:09:40,993 INFO L264 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 10:09:40,993 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:09:41,012 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 10:09:41,012 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 10:09:41,012 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 555 states and 1004 transitions. cyclomatic complexity: 451 Second operand 5 states. [2019-12-07 10:09:41,136 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 555 states and 1004 transitions. cyclomatic complexity: 451. Second operand 5 states. Result 2006 states and 3673 transitions. Complement of second has 6 states. [2019-12-07 10:09:41,137 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 10:09:41,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-12-07 10:09:41,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1089 transitions. [2019-12-07 10:09:41,138 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 1089 transitions. Stem has 33 letters. Loop has 8 letters. [2019-12-07 10:09:41,139 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 10:09:41,139 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 1089 transitions. Stem has 41 letters. Loop has 8 letters. [2019-12-07 10:09:41,139 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 10:09:41,139 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 1089 transitions. Stem has 33 letters. Loop has 16 letters. [2019-12-07 10:09:41,140 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 10:09:41,140 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2006 states and 3673 transitions. [2019-12-07 10:09:41,146 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 425 [2019-12-07 10:09:41,159 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2006 states to 1996 states and 3655 transitions. [2019-12-07 10:09:41,159 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 494 [2019-12-07 10:09:41,160 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 496 [2019-12-07 10:09:41,160 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1996 states and 3655 transitions. [2019-12-07 10:09:41,160 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 10:09:41,160 INFO L688 BuchiCegarLoop]: Abstraction has 1996 states and 3655 transitions. [2019-12-07 10:09:41,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1996 states and 3655 transitions. [2019-12-07 10:09:41,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1996 to 1039. [2019-12-07 10:09:41,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1039 states. [2019-12-07 10:09:41,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1039 states to 1039 states and 1894 transitions. [2019-12-07 10:09:41,177 INFO L711 BuchiCegarLoop]: Abstraction has 1039 states and 1894 transitions. [2019-12-07 10:09:41,178 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 10:09:41,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 10:09:41,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-07 10:09:41,178 INFO L87 Difference]: Start difference. First operand 1039 states and 1894 transitions. Second operand 4 states. [2019-12-07 10:09:41,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:09:41,225 INFO L93 Difference]: Finished difference Result 2023 states and 3698 transitions. [2019-12-07 10:09:41,226 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 10:09:41,226 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2023 states and 3698 transitions. [2019-12-07 10:09:41,230 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 426 [2019-12-07 10:09:41,240 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2023 states to 2023 states and 3698 transitions. [2019-12-07 10:09:41,240 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 507 [2019-12-07 10:09:41,241 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 507 [2019-12-07 10:09:41,241 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2023 states and 3698 transitions. [2019-12-07 10:09:41,243 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 10:09:41,243 INFO L688 BuchiCegarLoop]: Abstraction has 2023 states and 3698 transitions. [2019-12-07 10:09:41,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2023 states and 3698 transitions. [2019-12-07 10:09:41,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2023 to 1037. [2019-12-07 10:09:41,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1037 states. [2019-12-07 10:09:41,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1037 states to 1037 states and 1886 transitions. [2019-12-07 10:09:41,258 INFO L711 BuchiCegarLoop]: Abstraction has 1037 states and 1886 transitions. [2019-12-07 10:09:41,258 INFO L591 BuchiCegarLoop]: Abstraction has 1037 states and 1886 transitions. [2019-12-07 10:09:41,259 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-12-07 10:09:41,259 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1037 states and 1886 transitions. [2019-12-07 10:09:41,260 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 213 [2019-12-07 10:09:41,260 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 10:09:41,260 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 10:09:41,261 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:09:41,261 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:09:41,261 INFO L794 eck$LassoCheckResult]: Stem: 222599#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(10);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(34);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(30);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(16);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(20);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(22);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(21);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string47.base, #t~string47.offset, 1);call write~init~int(115, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(10, #t~string47.base, 2 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 3 + #t~string47.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(44);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(44);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(11);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(19);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string69.base, #t~string69.offset, 1);call write~init~int(100, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(10, #t~string69.base, 2 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 3 + #t~string69.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string72.base, #t~string72.offset, 1);call write~init~int(100, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(10, #t~string72.base, 2 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 3 + #t~string72.offset, 1);call #t~string90.base, #t~string90.offset := #Ultimate.allocOnStack(16);call #t~string94.base, #t~string94.offset := #Ultimate.allocOnStack(10);call #t~string97.base, #t~string97.offset := #Ultimate.allocOnStack(12);call #t~string100.base, #t~string100.offset := #Ultimate.allocOnStack(10);call #t~string103.base, #t~string103.offset := #Ultimate.allocOnStack(18);call #t~string106.base, #t~string106.offset := #Ultimate.allocOnStack(16);call #t~string109.base, #t~string109.offset := #Ultimate.allocOnStack(21);call #t~string112.base, #t~string112.offset := #Ultimate.allocOnStack(13);call #t~string115.base, #t~string115.offset := #Ultimate.allocOnStack(16);call #t~string118.base, #t~string118.offset := #Ultimate.allocOnStack(25);call #t~string142.base, #t~string142.offset := #Ultimate.allocOnStack(30);call #t~string143.base, #t~string143.offset := #Ultimate.allocOnStack(9);call #t~string144.base, #t~string144.offset := #Ultimate.allocOnStack(21);call #t~string145.base, #t~string145.offset := #Ultimate.allocOnStack(30);call #t~string146.base, #t~string146.offset := #Ultimate.allocOnStack(9);call #t~string147.base, #t~string147.offset := #Ultimate.allocOnStack(21);call #t~string151.base, #t~string151.offset := #Ultimate.allocOnStack(30);call #t~string152.base, #t~string152.offset := #Ultimate.allocOnStack(9);call #t~string153.base, #t~string153.offset := #Ultimate.allocOnStack(25);call #t~string154.base, #t~string154.offset := #Ultimate.allocOnStack(30);call #t~string155.base, #t~string155.offset := #Ultimate.allocOnStack(9);call #t~string156.base, #t~string156.offset := #Ultimate.allocOnStack(25);~__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;~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;~__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;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 222334#L-1 havoc main_#res;havoc main_#t~ret64, main_~retValue_acc~36, main_~tmp~16;havoc main_~retValue_acc~36;havoc main_~tmp~16;~__GUIDSL_ROOT_PRODUCTION~0 := 1; 222335#L86 havoc select_features_#t~ret1, select_features_#t~ret2, select_features_#t~ret3, select_features_#t~ret4, select_features_#t~ret5, select_features_#t~ret6, select_features_#t~ret7, select_features_#t~ret8;havoc select_one_#res;havoc select_one_#t~nondet0, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet0;havoc select_one_#t~nondet0;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 222377#L59 select_features_#t~ret1 := select_one_#res;~__SELECTED_FEATURE_Base~0 := select_features_#t~ret1;havoc select_features_#t~ret1;havoc select_one_#res;havoc select_one_#t~nondet0, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet0;havoc select_one_#t~nondet0;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 222373#L59-1 select_features_#t~ret2 := select_one_#res;~__SELECTED_FEATURE_Keys~0 := select_features_#t~ret2;havoc select_features_#t~ret2;havoc select_one_#res;havoc select_one_#t~nondet0, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet0;havoc select_one_#t~nondet0;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 222374#L59-2 select_features_#t~ret3 := select_one_#res;~__SELECTED_FEATURE_Encrypt~0 := select_features_#t~ret3;havoc select_features_#t~ret3;havoc select_one_#res;havoc select_one_#t~nondet0, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet0;havoc select_one_#t~nondet0;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 222409#L59-3 select_features_#t~ret4 := select_one_#res;~__SELECTED_FEATURE_AutoResponder~0 := select_features_#t~ret4;havoc select_features_#t~ret4;havoc select_one_#res;havoc select_one_#t~nondet0, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet0;havoc select_one_#t~nondet0;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 222404#L59-4 select_features_#t~ret5 := select_one_#res;~__SELECTED_FEATURE_AddressBook~0 := select_features_#t~ret5;havoc select_features_#t~ret5;havoc select_one_#res;havoc select_one_#t~nondet0, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet0;havoc select_one_#t~nondet0;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 222393#L59-5 select_features_#t~ret6 := select_one_#res;~__SELECTED_FEATURE_Sign~0 := select_features_#t~ret6;havoc select_features_#t~ret6;~__SELECTED_FEATURE_Forward~0 := 1;havoc select_one_#res;havoc select_one_#t~nondet0, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet0;havoc select_one_#t~nondet0;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 222380#L59-6 select_features_#t~ret7 := select_one_#res;~__SELECTED_FEATURE_Verify~0 := select_features_#t~ret7;havoc select_features_#t~ret7;havoc select_one_#res;havoc select_one_#t~nondet0, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet0;havoc select_one_#t~nondet0;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 222331#L59-7 select_features_#t~ret8 := select_one_#res;~__SELECTED_FEATURE_Decrypt~0 := select_features_#t~ret8;havoc select_features_#t~ret8; 222332#L78 havoc valid_product_#res;havoc valid_product_~retValue_acc~1, valid_product_~tmp~0;havoc valid_product_~retValue_acc~1;havoc valid_product_~tmp~0; 222731#L94 assume 0 == ~__SELECTED_FEATURE_Encrypt~0; 222346#L98 assume 0 == ~__SELECTED_FEATURE_Decrypt~0; 222347#L103 assume 0 == ~__SELECTED_FEATURE_Encrypt~0; 222378#L108 assume 0 == ~__SELECTED_FEATURE_Sign~0; 222479#L113 assume 0 == ~__SELECTED_FEATURE_Verify~0; 222718#L118 assume 0 == ~__SELECTED_FEATURE_Sign~0; 222724#L123 assume 0 != ~__SELECTED_FEATURE_Base~0;valid_product_~tmp~0 := 1; 222462#L97-1 valid_product_~retValue_acc~1 := valid_product_~tmp~0;valid_product_#res := valid_product_~retValue_acc~1; 222463#L154 main_#t~ret64 := valid_product_#res;main_~tmp~16 := main_#t~ret64;havoc main_#t~ret64; 222569#L2442 assume 0 != main_~tmp~16;havoc setup_#t~nondet59, setup_#t~nondet61, setup_#t~nondet63, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.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_tmp3~3.base, setup_~__cil_tmp3~3.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; 222705#L2286 assume !(0 != ~__SELECTED_FEATURE_Keys~0);setup_bob__before__Keys_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__before__Keys_~bob___0;setup_bob__before__Keys_~bob___0 := setup_bob__before__Keys_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__before__Keys_~bob___0, setup_bob__before__Keys_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 222612#L1822-2 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 222539#L1828-5 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string58.base, #t~string58.offset;havoc setup_#t~nondet59;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0; 222548#L2324 assume !(0 != ~__SELECTED_FEATURE_Keys~0);setup_rjh__before__Keys_#in~rjh___0 := setup_rjh_~rjh___0;havoc setup_rjh__before__Keys_~rjh___0;setup_rjh__before__Keys_~rjh___0 := setup_rjh__before__Keys_#in~rjh___0;setClientId_#in~handle, setClientId_#in~value := setup_rjh__before__Keys_~rjh___0, setup_rjh__before__Keys_~rjh___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 222584#L1822-6 assume !(1 == setClientId_~handle); 222585#L1825-6 assume 2 == setClientId_~handle;~__ste_client_idCounter1~0 := setClientId_~value; 222508#L1828-11 setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string60.base, #t~string60.offset;havoc setup_#t~nondet61;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0; 222563#L2362 assume !(0 != ~__SELECTED_FEATURE_Keys~0);setup_chuck__before__Keys_#in~chuck___0 := setup_chuck_~chuck___0;havoc setup_chuck__before__Keys_~chuck___0;setup_chuck__before__Keys_~chuck___0 := setup_chuck__before__Keys_#in~chuck___0;setClientId_#in~handle, setClientId_#in~value := setup_chuck__before__Keys_~chuck___0, setup_chuck__before__Keys_~chuck___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 222549#L1822-10 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 222532#L1828-17 setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset := #t~string62.base, #t~string62.offset;havoc setup_#t~nondet63; 222719#L2429 havoc test_#t~nondet79, test_#t~nondet80, test_#t~nondet81, test_#t~nondet82, test_#t~nondet83, test_#t~nondet84, test_#t~nondet85, test_#t~nondet86, test_#t~nondet87, test_#t~nondet88, test_#t~nondet89, test_~op1~0, test_~op2~0, test_~op3~0, test_~op4~0, test_~op5~0, test_~op6~0, test_~op7~0, test_~op8~0, test_~op9~0, test_~op10~0, test_~op11~0, test_~splverifierCounter~0, test_~tmp~18, test_~tmp___0~6, test_~tmp___1~4, test_~tmp___2~3, test_~tmp___3~1, test_~tmp___4~1, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~18;havoc test_~tmp___0~6;havoc test_~tmp___1~4;havoc test_~tmp___2~3;havoc test_~tmp___3~1;havoc test_~tmp___4~1;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 222720#L2830-1 assume !false; 222949#L2639 assume test_~splverifierCounter~0 < 4; 222836#L2640 [2019-12-07 10:09:41,261 INFO L796 eck$LassoCheckResult]: Loop: 222836#L2640 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 222450#L2646 assume !(0 == test_~op1~0); 222383#L2663 assume !(0 == test_~op2~0); 222385#L2681 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet81;havoc test_#t~nondet81; 222574#L2686 assume 0 != test_~tmp___7~0; 222542#L2687 assume !(0 != ~__SELECTED_FEATURE_Keys~0); 222544#L2687-1 test_~op3~0 := 1; 222416#L2830-1 assume !false; 222522#L2639 assume test_~splverifierCounter~0 < 4; 222836#L2640 [2019-12-07 10:09:41,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:09:41,261 INFO L82 PathProgramCache]: Analyzing trace with hash 351408190, now seen corresponding path program 1 times [2019-12-07 10:09:41,262 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:09:41,262 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966223027] [2019-12-07 10:09:41,262 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:09:41,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:09:41,307 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 10:09:41,308 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1966223027] [2019-12-07 10:09:41,308 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:09:41,308 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 10:09:41,308 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068992109] [2019-12-07 10:09:41,308 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-12-07 10:09:41,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:09:41,308 INFO L82 PathProgramCache]: Analyzing trace with hash -986478044, now seen corresponding path program 1 times [2019-12-07 10:09:41,309 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:09:41,309 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332154018] [2019-12-07 10:09:41,309 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:09:41,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:09:41,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:09:41,319 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 10:09:41,345 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 10:09:41,345 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 10:09:41,345 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 10:09:41,345 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 10:09:41,345 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-12-07 10:09:41,345 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:09:41,345 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 10:09:41,345 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 10:09:41,345 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec0_productSimulator.cil.c_Iteration3_Loop [2019-12-07 10:09:41,345 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 10:09:41,345 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 10:09:41,346 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 10:09:41,348 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 10:09:41,351 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 10:09:41,355 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 10:09:41,360 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 10:09:41,362 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 10:09:41,426 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 10:09:41,427 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f095eb70-1013-4de7-9f5f-43e2edd07574/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:09:41,430 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 10:09:41,430 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 10:09:41,434 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 10:09:41,434 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~__SELECTED_FEATURE_Keys~0=0} Honda state: {~__SELECTED_FEATURE_Keys~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f095eb70-1013-4de7-9f5f-43e2edd07574/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:09:41,439 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 10:09:41,439 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 10:09:41,442 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 10:09:41,443 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_~op1~0=7} Honda state: {ULTIMATE.start_test_~op1~0=7} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f095eb70-1013-4de7-9f5f-43e2edd07574/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:09:41,447 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 10:09:41,447 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 10:09:41,453 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 10:09:41,453 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_#t~nondet81=2, ULTIMATE.start_test_~tmp___7~0=2} Honda state: {ULTIMATE.start_test_#t~nondet81=2, ULTIMATE.start_test_~tmp___7~0=2} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f095eb70-1013-4de7-9f5f-43e2edd07574/bin/uautomizer/z3 Starting monitored process 13 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 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:09:41,458 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 10:09:41,458 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f095eb70-1013-4de7-9f5f-43e2edd07574/bin/uautomizer/z3 Starting monitored process 14 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 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:09:41,470 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-12-07 10:09:41,470 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 10:09:41,542 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-12-07 10:09:41,544 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 10:09:41,544 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 10:09:41,544 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 10:09:41,544 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 10:09:41,545 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 10:09:41,545 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:09:41,545 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 10:09:41,545 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 10:09:41,545 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec0_productSimulator.cil.c_Iteration3_Loop [2019-12-07 10:09:41,545 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 10:09:41,545 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 10:09:41,546 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 10:09:41,548 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 10:09:41,551 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 10:09:41,556 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 10:09:41,561 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 10:09:41,564 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 10:09:41,635 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 10:09:41,635 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f095eb70-1013-4de7-9f5f-43e2edd07574/bin/uautomizer/z3 Starting monitored process 15 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 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:09:41,638 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 10:09:41,639 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:09:41,640 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:09:41,640 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:09:41,640 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:09:41,640 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:09:41,640 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:09:41,640 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:09:41,641 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f095eb70-1013-4de7-9f5f-43e2edd07574/bin/uautomizer/z3 Starting monitored process 16 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 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:09:41,646 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 10:09:41,647 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:09:41,647 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:09:41,647 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:09:41,647 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 10:09:41,647 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:09:41,648 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 10:09:41,648 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:09:41,649 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f095eb70-1013-4de7-9f5f-43e2edd07574/bin/uautomizer/z3 Starting monitored process 17 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 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:09:41,654 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 10:09:41,655 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:09:41,656 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:09:41,656 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:09:41,656 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 10:09:41,656 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:09:41,658 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 10:09:41,658 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:09:41,661 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f095eb70-1013-4de7-9f5f-43e2edd07574/bin/uautomizer/z3 Starting monitored process 18 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 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:09:41,666 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 10:09:41,667 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:09:41,667 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:09:41,667 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:09:41,667 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:09:41,667 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:09:41,668 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:09:41,668 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:09:41,670 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 10:09:41,672 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-12-07 10:09:41,673 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_f095eb70-1013-4de7-9f5f-43e2edd07574/bin/uautomizer/z3 Starting monitored process 19 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 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:09:41,676 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 10:09:41,676 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-12-07 10:09:41,676 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 10:09:41,677 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 5 Supporting invariants [] [2019-12-07 10:09:41,678 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-12-07 10:09:41,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:09:41,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:09:41,807 INFO L264 TraceCheckSpWp]: Trace formula consists of 667 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 10:09:41,809 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:09:41,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:09:41,834 INFO L264 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 10:09:41,835 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:09:41,844 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 10:09:41,844 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 10:09:41,844 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1037 states and 1886 transitions. cyclomatic complexity: 853 Second operand 3 states. [2019-12-07 10:09:41,909 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1037 states and 1886 transitions. cyclomatic complexity: 853. Second operand 3 states. Result 2226 states and 4077 transitions. Complement of second has 4 states. [2019-12-07 10:09:41,910 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-12-07 10:09:41,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-12-07 10:09:41,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 593 transitions. [2019-12-07 10:09:41,911 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 593 transitions. Stem has 35 letters. Loop has 9 letters. [2019-12-07 10:09:41,911 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 10:09:41,911 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 593 transitions. Stem has 44 letters. Loop has 9 letters. [2019-12-07 10:09:41,911 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 10:09:41,911 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 593 transitions. Stem has 35 letters. Loop has 18 letters. [2019-12-07 10:09:41,912 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 10:09:41,912 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2226 states and 4077 transitions. [2019-12-07 10:09:41,919 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 10:09:41,919 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2226 states to 0 states and 0 transitions. [2019-12-07 10:09:41,919 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-12-07 10:09:41,919 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-12-07 10:09:41,919 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-12-07 10:09:41,920 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 10:09:41,920 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 10:09:41,920 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 10:09:41,920 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 10:09:41,920 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 10:09:41,920 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-07 10:09:41,920 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 4 states. [2019-12-07 10:09:41,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:09:41,920 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2019-12-07 10:09:41,921 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 10:09:41,921 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2019-12-07 10:09:41,921 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 10:09:41,921 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 10:09:41,921 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-12-07 10:09:41,921 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-12-07 10:09:41,921 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-12-07 10:09:41,921 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 10:09:41,921 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 10:09:41,921 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 10:09:41,921 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 10:09:41,922 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-12-07 10:09:41,922 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-12-07 10:09:41,922 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 10:09:41,922 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-12-07 10:09:41,927 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 10:09:41 BoogieIcfgContainer [2019-12-07 10:09:41,928 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-12-07 10:09:41,928 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 10:09:41,928 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 10:09:41,928 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 10:09:41,929 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:09:35" (3/4) ... [2019-12-07 10:09:41,932 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 10:09:41,932 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 10:09:41,934 INFO L168 Benchmark]: Toolchain (without parser) took 54602.22 ms. Allocated memory was 1.0 GB in the beginning and 4.9 GB in the end (delta: 3.9 GB). Free memory was 940.6 MB in the beginning and 1.4 GB in the end (delta: -479.8 MB). Peak memory consumption was 3.4 GB. Max. memory is 11.5 GB. [2019-12-07 10:09:41,935 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 960.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 10:09:41,935 INFO L168 Benchmark]: CACSL2BoogieTranslator took 585.28 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.2 MB). Free memory was 940.6 MB in the beginning and 1.0 GB in the end (delta: -92.5 MB). Peak memory consumption was 33.6 MB. Max. memory is 11.5 GB. [2019-12-07 10:09:41,936 INFO L168 Benchmark]: Boogie Procedure Inliner took 2033.35 ms. Allocated memory was 1.1 GB in the beginning and 1.7 GB in the end (delta: 512.8 MB). Free memory was 1.0 GB in the beginning and 898.4 MB in the end (delta: 134.7 MB). Peak memory consumption was 647.4 MB. Max. memory is 11.5 GB. [2019-12-07 10:09:41,937 INFO L168 Benchmark]: Boogie Preprocessor took 1723.64 ms. Allocated memory was 1.7 GB in the beginning and 1.7 GB in the end (delta: 7.3 MB). Free memory was 898.4 MB in the beginning and 926.3 MB in the end (delta: -27.9 MB). Peak memory consumption was 341.3 MB. Max. memory is 11.5 GB. [2019-12-07 10:09:41,937 INFO L168 Benchmark]: RCFGBuilder took 43738.59 ms. Allocated memory was 1.7 GB in the beginning and 4.8 GB in the end (delta: 3.2 GB). Free memory was 926.3 MB in the beginning and 3.4 GB in the end (delta: -2.4 GB). Peak memory consumption was 2.5 GB. Max. memory is 11.5 GB. [2019-12-07 10:09:41,938 INFO L168 Benchmark]: BuchiAutomizer took 6514.18 ms. Allocated memory was 4.8 GB in the beginning and 4.9 GB in the end (delta: 84.9 MB). Free memory was 3.4 GB in the beginning and 1.4 GB in the end (delta: 1.9 GB). Peak memory consumption was 2.0 GB. Max. memory is 11.5 GB. [2019-12-07 10:09:41,938 INFO L168 Benchmark]: Witness Printer took 4.18 ms. Allocated memory is still 4.9 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 10:09:41,941 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 960.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 585.28 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.2 MB). Free memory was 940.6 MB in the beginning and 1.0 GB in the end (delta: -92.5 MB). Peak memory consumption was 33.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 2033.35 ms. Allocated memory was 1.1 GB in the beginning and 1.7 GB in the end (delta: 512.8 MB). Free memory was 1.0 GB in the beginning and 898.4 MB in the end (delta: 134.7 MB). Peak memory consumption was 647.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 1723.64 ms. Allocated memory was 1.7 GB in the beginning and 1.7 GB in the end (delta: 7.3 MB). Free memory was 898.4 MB in the beginning and 926.3 MB in the end (delta: -27.9 MB). Peak memory consumption was 341.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 43738.59 ms. Allocated memory was 1.7 GB in the beginning and 4.8 GB in the end (delta: 3.2 GB). Free memory was 926.3 MB in the beginning and 3.4 GB in the end (delta: -2.4 GB). Peak memory consumption was 2.5 GB. Max. memory is 11.5 GB. * BuchiAutomizer took 6514.18 ms. Allocated memory was 4.8 GB in the beginning and 4.9 GB in the end (delta: 84.9 MB). Free memory was 3.4 GB in the beginning and 1.4 GB in the end (delta: 1.9 GB). Peak memory consumption was 2.0 GB. Max. memory is 11.5 GB. * Witness Printer took 4.18 ms. Allocated memory is still 4.9 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 6 terminating modules (3 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * op1 + 1 and consists of 5 locations. One deterministic module has affine ranking function -2 * op2 + 1 and consists of 4 locations. One deterministic module has affine ranking function -2 * splverifierCounter + 5 and consists of 3 locations. 3 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 6.4s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 1.2s. Construction of modules took 0.0s. Büchi inclusion checks took 3.7s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 4. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 2378 StatesRemovedByMinimization, 3 NontrivialMinimizations. Non-live state removal took 0.5s Buchi closure took 0.0s. Biggest automaton had 1037 states and ocurred in iteration 2. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 118036 SDtfs, 118001 SDslu, 176142 SDs, 0 SdLazy, 65 SolverSat, 21 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT3 lasso0 LassoPreprocessingBenchmarks: Lassos: inital30 mio100 ax100 hnf100 lsp33 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq169 hnf94 smp100 dnf150 smp100 tf108 neg92 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 6ms VariablesStem: 0 VariablesLoop: 1 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 3 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...