./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/email_spec4_productSimulator.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_04f3dd58-fd59-4f17-847b-55ab571c4417/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_04f3dd58-fd59-4f17-847b-55ab571c4417/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_04f3dd58-fd59-4f17-847b-55ab571c4417/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_04f3dd58-fd59-4f17-847b-55ab571c4417/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/email_spec4_productSimulator.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_04f3dd58-fd59-4f17-847b-55ab571c4417/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_04f3dd58-fd59-4f17-847b-55ab571c4417/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 92951fcd680afa428e4cc8d86a88a954867e81da .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 20:23:31,943 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 20:23:31,947 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 20:23:32,034 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 20:23:32,035 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 20:23:32,036 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 20:23:32,038 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 20:23:32,041 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 20:23:32,044 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 20:23:32,055 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 20:23:32,056 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 20:23:32,058 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 20:23:32,058 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 20:23:32,060 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 20:23:32,061 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 20:23:32,063 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 20:23:32,064 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 20:23:32,071 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 20:23:32,078 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 20:23:32,089 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 20:23:32,091 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 20:23:32,095 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 20:23:32,100 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 20:23:32,101 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 20:23:32,105 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 20:23:32,106 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 20:23:32,106 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 20:23:32,107 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 20:23:32,108 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 20:23:32,117 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 20:23:32,118 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 20:23:32,120 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 20:23:32,123 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 20:23:32,124 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 20:23:32,126 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 20:23:32,126 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 20:23:32,127 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 20:23:32,128 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 20:23:32,128 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 20:23:32,129 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 20:23:32,130 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 20:23:32,134 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_04f3dd58-fd59-4f17-847b-55ab571c4417/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-11-29 20:23:32,193 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 20:23:32,193 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 20:23:32,196 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 20:23:32,196 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 20:23:32,196 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 20:23:32,197 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-29 20:23:32,197 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-29 20:23:32,197 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-29 20:23:32,197 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-29 20:23:32,198 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-29 20:23:32,199 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-29 20:23:32,199 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 20:23:32,200 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 20:23:32,200 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-29 20:23:32,200 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 20:23:32,200 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 20:23:32,200 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 20:23:32,201 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-29 20:23:32,201 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-29 20:23:32,201 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-29 20:23:32,201 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 20:23:32,202 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 20:23:32,202 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-29 20:23:32,202 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 20:23:32,202 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-29 20:23:32,203 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 20:23:32,203 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 20:23:32,203 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-29 20:23:32,204 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 20:23:32,205 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 20:23:32,206 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 20:23:32,206 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-29 20:23:32,208 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-29 20:23:32,208 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_04f3dd58-fd59-4f17-847b-55ab571c4417/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_04f3dd58-fd59-4f17-847b-55ab571c4417/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 92951fcd680afa428e4cc8d86a88a954867e81da [2020-11-29 20:23:32,585 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 20:23:32,638 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 20:23:32,642 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 20:23:32,643 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 20:23:32,644 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 20:23:32,646 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_04f3dd58-fd59-4f17-847b-55ab571c4417/bin/uautomizer/../../sv-benchmarks/c/product-lines/email_spec4_productSimulator.cil.c [2020-11-29 20:23:32,754 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_04f3dd58-fd59-4f17-847b-55ab571c4417/bin/uautomizer/data/115912ba0/5e370138624c45a68fedf4edec31099d/FLAG025294af8 [2020-11-29 20:23:33,649 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 20:23:33,649 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_04f3dd58-fd59-4f17-847b-55ab571c4417/sv-benchmarks/c/product-lines/email_spec4_productSimulator.cil.c [2020-11-29 20:23:33,692 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_04f3dd58-fd59-4f17-847b-55ab571c4417/bin/uautomizer/data/115912ba0/5e370138624c45a68fedf4edec31099d/FLAG025294af8 [2020-11-29 20:23:33,736 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_04f3dd58-fd59-4f17-847b-55ab571c4417/bin/uautomizer/data/115912ba0/5e370138624c45a68fedf4edec31099d [2020-11-29 20:23:33,739 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 20:23:33,741 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 20:23:33,744 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 20:23:33,744 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 20:23:33,749 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 20:23:33,750 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 08:23:33" (1/1) ... [2020-11-29 20:23:33,752 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45e9e33b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:23:33, skipping insertion in model container [2020-11-29 20:23:33,753 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 08:23:33" (1/1) ... [2020-11-29 20:23:33,762 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 20:23:33,883 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 20:23:34,830 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 20:23:34,853 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 20:23:35,040 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 20:23:35,294 INFO L208 MainTranslator]: Completed translation [2020-11-29 20:23:35,295 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:23:35 WrapperNode [2020-11-29 20:23:35,297 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 20:23:35,299 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 20:23:35,299 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 20:23:35,300 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 20:23:35,311 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:23:35" (1/1) ... [2020-11-29 20:23:35,390 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:23:35" (1/1) ... [2020-11-29 20:23:42,831 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 20:23:42,833 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 20:23:42,833 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 20:23:42,834 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 20:23:42,843 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:23:35" (1/1) ... [2020-11-29 20:23:42,844 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:23:35" (1/1) ... [2020-11-29 20:23:43,879 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:23:35" (1/1) ... [2020-11-29 20:23:43,880 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:23:35" (1/1) ... [2020-11-29 20:23:45,895 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:23:35" (1/1) ... [2020-11-29 20:23:46,411 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:23:35" (1/1) ... [2020-11-29 20:23:46,994 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:23:35" (1/1) ... [2020-11-29 20:23:47,990 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 20:23:48,006 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 20:23:48,006 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 20:23:48,006 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 20:23:48,007 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:23:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_04f3dd58-fd59-4f17-847b-55ab571c4417/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 [2020-11-29 20:23:48,150 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-11-29 20:23:48,150 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 20:23:48,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 20:23:48,151 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 20:23:48,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 20:24:47,424 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 20:24:47,425 INFO L298 CfgBuilder]: Removed 35931 assume(true) statements. [2020-11-29 20:24:47,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:24:47 BoogieIcfgContainer [2020-11-29 20:24:47,465 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 20:24:47,467 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-29 20:24:47,467 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-29 20:24:47,472 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-29 20:24:47,473 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 20:24:47,473 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.11 08:23:33" (1/3) ... [2020-11-29 20:24:47,475 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@74146069 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 08:24:47, skipping insertion in model container [2020-11-29 20:24:47,475 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 20:24:47,475 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:23:35" (2/3) ... [2020-11-29 20:24:47,476 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@74146069 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 08:24:47, skipping insertion in model container [2020-11-29 20:24:47,476 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 20:24:47,476 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:24:47" (3/3) ... [2020-11-29 20:24:47,479 INFO L373 chiAutomizerObserver]: Analyzing ICFG email_spec4_productSimulator.cil.c [2020-11-29 20:24:47,545 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-29 20:24:47,546 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-29 20:24:47,546 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-29 20:24:47,546 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 20:24:47,546 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 20:24:47,546 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-29 20:24:47,547 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 20:24:47,547 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-29 20:24:48,038 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 34836 states. [2020-11-29 20:24:48,600 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 270 [2020-11-29 20:24:48,601 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 20:24:48,601 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 20:24:48,618 INFO L852 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] [2020-11-29 20:24:48,618 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:24:48,618 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-29 20:24:48,619 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 34836 states. [2020-11-29 20:24:49,074 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 270 [2020-11-29 20:24:49,074 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 20:24:49,074 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 20:24:49,084 INFO L852 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] [2020-11-29 20:24:49,084 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:24:49,103 INFO L794 eck$LassoCheckResult]: Stem: 8109#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(35);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string18.base, #t~string18.offset, 1);call write~init~int(115, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(10, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(10);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(34);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(16);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(20);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(22);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(21);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(44);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(44);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(9);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(9);call #t~string80.base, #t~string80.offset := #Ultimate.allocOnStack(11);call #t~string84.base, #t~string84.offset := #Ultimate.allocOnStack(19);call #t~string87.base, #t~string87.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string87.base, #t~string87.offset, 1);call write~init~int(100, #t~string87.base, 1 + #t~string87.offset, 1);call write~init~int(10, #t~string87.base, 2 + #t~string87.offset, 1);call write~init~int(0, #t~string87.base, 3 + #t~string87.offset, 1);call #t~string90.base, #t~string90.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string90.base, #t~string90.offset, 1);call write~init~int(100, #t~string90.base, 1 + #t~string90.offset, 1);call write~init~int(10, #t~string90.base, 2 + #t~string90.offset, 1);call write~init~int(0, #t~string90.base, 3 + #t~string90.offset, 1);call #t~string98.base, #t~string98.offset := #Ultimate.allocOnStack(10);call #t~string101.base, #t~string101.offset := #Ultimate.allocOnStack(12);call #t~string104.base, #t~string104.offset := #Ultimate.allocOnStack(10);call #t~string107.base, #t~string107.offset := #Ultimate.allocOnStack(18);call #t~string110.base, #t~string110.offset := #Ultimate.allocOnStack(16);call #t~string113.base, #t~string113.offset := #Ultimate.allocOnStack(21);call #t~string116.base, #t~string116.offset := #Ultimate.allocOnStack(13);call #t~string119.base, #t~string119.offset := #Ultimate.allocOnStack(16);call #t~string122.base, #t~string122.offset := #Ultimate.allocOnStack(25);call #t~string146.base, #t~string146.offset := #Ultimate.allocOnStack(30);call #t~string147.base, #t~string147.offset := #Ultimate.allocOnStack(9);call #t~string148.base, #t~string148.offset := #Ultimate.allocOnStack(21);call #t~string149.base, #t~string149.offset := #Ultimate.allocOnStack(30);call #t~string150.base, #t~string150.offset := #Ultimate.allocOnStack(9);call #t~string151.base, #t~string151.offset := #Ultimate.allocOnStack(21);call #t~string155.base, #t~string155.offset := #Ultimate.allocOnStack(30);call #t~string156.base, #t~string156.offset := #Ultimate.allocOnStack(9);call #t~string157.base, #t~string157.offset := #Ultimate.allocOnStack(25);call #t~string158.base, #t~string158.offset := #Ultimate.allocOnStack(30);call #t~string159.base, #t~string159.offset := #Ultimate.allocOnStack(9);call #t~string160.base, #t~string160.offset := #Ultimate.allocOnStack(25);call #t~string163.base, #t~string163.offset := #Ultimate.allocOnStack(13);~__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; 29402#L-1true havoc main_#res;havoc main_#t~ret82, main_~retValue_acc~36, main_~tmp~17;havoc main_~retValue_acc~36;havoc main_~tmp~17;~__GUIDSL_ROOT_PRODUCTION~0 := 1; 30157#L2048true havoc select_features_#t~ret61, select_features_#t~ret62, select_features_#t~ret63, select_features_#t~ret64, select_features_#t~ret65, select_features_#t~ret66, select_features_#t~ret67, select_features_#t~ret68;havoc select_one_#res;havoc select_one_#t~nondet60, select_one_~retValue_acc~23, select_one_~choice~0;havoc select_one_~retValue_acc~23;select_one_~choice~0 := select_one_#t~nondet60;havoc select_one_#t~nondet60;select_one_~retValue_acc~23 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~23; 30317#L2021true select_features_#t~ret61 := select_one_#res;~__SELECTED_FEATURE_Base~0 := select_features_#t~ret61;havoc select_features_#t~ret61;havoc select_one_#res;havoc select_one_#t~nondet60, select_one_~retValue_acc~23, select_one_~choice~0;havoc select_one_~retValue_acc~23;select_one_~choice~0 := select_one_#t~nondet60;havoc select_one_#t~nondet60;select_one_~retValue_acc~23 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~23; 30312#L2021-1true select_features_#t~ret62 := select_one_#res;~__SELECTED_FEATURE_Keys~0 := select_features_#t~ret62;havoc select_features_#t~ret62;havoc select_one_#res;havoc select_one_#t~nondet60, select_one_~retValue_acc~23, select_one_~choice~0;havoc select_one_~retValue_acc~23;select_one_~choice~0 := select_one_#t~nondet60;havoc select_one_#t~nondet60;select_one_~retValue_acc~23 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~23; 30311#L2021-2true select_features_#t~ret63 := select_one_#res;~__SELECTED_FEATURE_Encrypt~0 := select_features_#t~ret63;havoc select_features_#t~ret63;havoc select_one_#res;havoc select_one_#t~nondet60, select_one_~retValue_acc~23, select_one_~choice~0;havoc select_one_~retValue_acc~23;select_one_~choice~0 := select_one_#t~nondet60;havoc select_one_#t~nondet60;select_one_~retValue_acc~23 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~23; 30313#L2021-3true select_features_#t~ret64 := select_one_#res;~__SELECTED_FEATURE_AutoResponder~0 := select_features_#t~ret64;havoc select_features_#t~ret64;havoc select_one_#res;havoc select_one_#t~nondet60, select_one_~retValue_acc~23, select_one_~choice~0;havoc select_one_~retValue_acc~23;select_one_~choice~0 := select_one_#t~nondet60;havoc select_one_#t~nondet60;select_one_~retValue_acc~23 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~23; 30314#L2021-4true select_features_#t~ret65 := select_one_#res;~__SELECTED_FEATURE_AddressBook~0 := select_features_#t~ret65;havoc select_features_#t~ret65;~__SELECTED_FEATURE_Sign~0 := 1;havoc select_one_#res;havoc select_one_#t~nondet60, select_one_~retValue_acc~23, select_one_~choice~0;havoc select_one_~retValue_acc~23;select_one_~choice~0 := select_one_#t~nondet60;havoc select_one_#t~nondet60;select_one_~retValue_acc~23 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~23; 30316#L2021-5true select_features_#t~ret66 := select_one_#res;~__SELECTED_FEATURE_Forward~0 := select_features_#t~ret66;havoc select_features_#t~ret66;havoc select_one_#res;havoc select_one_#t~nondet60, select_one_~retValue_acc~23, select_one_~choice~0;havoc select_one_~retValue_acc~23;select_one_~choice~0 := select_one_#t~nondet60;havoc select_one_#t~nondet60;select_one_~retValue_acc~23 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~23; 30315#L2021-6true select_features_#t~ret67 := select_one_#res;~__SELECTED_FEATURE_Verify~0 := select_features_#t~ret67;havoc select_features_#t~ret67;havoc select_one_#res;havoc select_one_#t~nondet60, select_one_~retValue_acc~23, select_one_~choice~0;havoc select_one_~retValue_acc~23;select_one_~choice~0 := select_one_#t~nondet60;havoc select_one_#t~nondet60;select_one_~retValue_acc~23 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~23; 30310#L2021-7true select_features_#t~ret68 := select_one_#res;~__SELECTED_FEATURE_Decrypt~0 := select_features_#t~ret68;havoc select_features_#t~ret68; 30451#L2040true havoc valid_product_#res;havoc valid_product_~retValue_acc~24, valid_product_~tmp~15;havoc valid_product_~retValue_acc~24;havoc valid_product_~tmp~15; 30197#L2056true assume !(0 == ~__SELECTED_FEATURE_Encrypt~0); 30195#L2059true assume !(0 != ~__SELECTED_FEATURE_Decrypt~0);valid_product_~tmp~15 := 0; 30196#L2059-1true valid_product_~retValue_acc~24 := valid_product_~tmp~15;valid_product_#res := valid_product_~retValue_acc~24; 29401#L2116true main_#t~ret82 := valid_product_#res;main_~tmp~17 := main_#t~ret82;havoc main_#t~ret82; 29460#L2712true assume 0 != main_~tmp~17;havoc setup_#t~nondet77, setup_#t~nondet79, setup_#t~nondet81, 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; 32162#L2556true 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; 30035#L1994-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 29652#L2000-5true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string76.base, #t~string76.offset;havoc setup_#t~nondet77;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0; 30868#L2594true 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; 30027#L1994-6true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 29770#L2000-11true setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string78.base, #t~string78.offset;havoc setup_#t~nondet79;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0; 30668#L2632true 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; 30032#L1994-10true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 29757#L2000-17true setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset := #t~string80.base, #t~string80.offset;havoc setup_#t~nondet81; 30030#L2699true havoc test_#t~nondet7, test_#t~nondet8, test_#t~nondet9, test_#t~nondet10, test_#t~nondet11, test_#t~nondet12, test_#t~nondet13, test_#t~nondet14, test_#t~nondet15, test_#t~nondet16, test_#t~nondet17, 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~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 8609#L293-1true [2020-11-29 20:24:49,104 INFO L796 eck$LassoCheckResult]: Loop: 8609#L293-1true assume !false; 27748#L102true assume test_~splverifierCounter~0 < 4; 27145#L103true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 22626#L109true assume 0 == test_~op1~0;test_~tmp___9~0 := test_#t~nondet7;havoc test_#t~nondet7; 22369#L113true assume 0 != test_~tmp___9~0; 21743#L114true assume !(0 != ~__SELECTED_FEATURE_Keys~0); 21737#L114-1true test_~op1~0 := 1; 8609#L293-1true [2020-11-29 20:24:49,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:24:49,116 INFO L82 PathProgramCache]: Analyzing trace with hash -2102633898, now seen corresponding path program 1 times [2020-11-29 20:24:49,131 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:24:49,132 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320414214] [2020-11-29 20:24:49,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:24:49,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:24:49,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:24:49,700 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1320414214] [2020-11-29 20:24:49,701 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:24:49,702 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-29 20:24:49,703 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616500816] [2020-11-29 20:24:49,708 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-11-29 20:24:49,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:24:49,711 INFO L82 PathProgramCache]: Analyzing trace with hash 569592791, now seen corresponding path program 1 times [2020-11-29 20:24:49,711 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:24:49,711 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438931264] [2020-11-29 20:24:49,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:24:49,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:24:49,734 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:24:49,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:24:49,744 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:24:49,790 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 20:24:49,846 INFO L210 LassoAnalysis]: Preferences: [2020-11-29 20:24:49,851 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-29 20:24:49,859 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-29 20:24:49,859 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-29 20:24:49,860 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-11-29 20:24:49,860 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:24:49,860 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-29 20:24:49,860 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-29 20:24:49,861 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec4_productSimulator.cil.c_Iteration1_Loop [2020-11-29 20:24:49,861 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-29 20:24:49,861 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-29 20:24:49,887 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:24:49,901 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:24:49,909 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:24:49,914 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:24:50,028 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-29 20:24:50,030 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_04f3dd58-fd59-4f17-847b-55ab571c4417/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) [2020-11-29 20:24:50,045 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-29 20:24:50,045 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_04f3dd58-fd59-4f17-847b-55ab571c4417/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) [2020-11-29 20:24:50,104 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-11-29 20:24:50,104 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:24:50,116 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-11-29 20:24:50,157 INFO L210 LassoAnalysis]: Preferences: [2020-11-29 20:24:50,157 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-29 20:24:50,157 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-29 20:24:50,157 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-29 20:24:50,157 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-29 20:24:50,158 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:24:50,158 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-29 20:24:50,158 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-29 20:24:50,158 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec4_productSimulator.cil.c_Iteration1_Loop [2020-11-29 20:24:50,158 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-29 20:24:50,158 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-29 20:24:50,160 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:24:50,175 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:24:50,186 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:24:50,192 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:24:50,296 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-29 20:24:50,301 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_04f3dd58-fd59-4f17-847b-55ab571c4417/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 [2020-11-29 20:24:50,310 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 [2020-11-29 20:24:50,314 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:24:50,314 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 20:24:50,315 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:24:50,315 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:24:50,315 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:24:50,319 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 20:24:50,320 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 20:24:50,325 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-29 20:24:50,334 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-11-29 20:24:50,335 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_04f3dd58-fd59-4f17-847b-55ab571c4417/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 [2020-11-29 20:24:50,363 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-11-29 20:24:50,363 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-11-29 20:24:50,364 INFO L510 LassoAnalysis]: Proved termination. [2020-11-29 20:24:50,365 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op1~0) = -2*ULTIMATE.start_test_~op1~0 + 1 Supporting invariants [] [2020-11-29 20:24:50,403 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-11-29 20:24:50,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:24:50,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:24:50,978 INFO L263 TraceCheckSpWp]: Trace formula consists of 676 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 20:24:50,988 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 20:24:51,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:24:51,065 INFO L263 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-29 20:24:51,068 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 20:24:51,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:24:51,167 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 [2020-11-29 20:24:51,169 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 34836 states. Second operand 4 states. [2020-11-29 20:24:57,826 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 34836 states.. Second operand 4 states. Result 173423 states and 278656 transitions. Complement of second has 7 states. [2020-11-29 20:24:57,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2020-11-29 20:24:57,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-11-29 20:24:58,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 167108 transitions. [2020-11-29 20:24:58,146 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 167108 transitions. Stem has 27 letters. Loop has 7 letters. [2020-11-29 20:24:58,148 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 20:24:58,148 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 167108 transitions. Stem has 34 letters. Loop has 7 letters. [2020-11-29 20:24:58,149 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 20:24:58,149 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 167108 transitions. Stem has 27 letters. Loop has 14 letters. [2020-11-29 20:24:58,149 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 20:24:58,151 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 173423 states and 278656 transitions. [2020-11-29 20:25:00,360 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 435 [2020-11-29 20:25:00,406 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 173423 states to 990 states and 1812 transitions. [2020-11-29 20:25:00,407 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 501 [2020-11-29 20:25:00,409 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 502 [2020-11-29 20:25:00,410 INFO L73 IsDeterministic]: Start isDeterministic. Operand 990 states and 1812 transitions. [2020-11-29 20:25:00,412 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-29 20:25:00,412 INFO L691 BuchiCegarLoop]: Abstraction has 990 states and 1812 transitions. [2020-11-29 20:25:00,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 990 states and 1812 transitions. [2020-11-29 20:25:00,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 990 to 555. [2020-11-29 20:25:00,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 555 states. [2020-11-29 20:25:00,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 555 states and 1011 transitions. [2020-11-29 20:25:00,550 INFO L714 BuchiCegarLoop]: Abstraction has 555 states and 1011 transitions. [2020-11-29 20:25:00,552 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:25:00,559 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 20:25:00,560 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 20:25:00,561 INFO L87 Difference]: Start difference. First operand 555 states and 1011 transitions. Second operand 5 states. [2020-11-29 20:25:00,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:25:00,690 INFO L93 Difference]: Finished difference Result 558 states and 1013 transitions. [2020-11-29 20:25:00,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-29 20:25:00,692 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 558 states and 1013 transitions. [2020-11-29 20:25:00,695 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 218 [2020-11-29 20:25:00,703 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 558 states to 555 states and 1004 transitions. [2020-11-29 20:25:00,703 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 284 [2020-11-29 20:25:00,705 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 284 [2020-11-29 20:25:00,705 INFO L73 IsDeterministic]: Start isDeterministic. Operand 555 states and 1004 transitions. [2020-11-29 20:25:00,706 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-29 20:25:00,706 INFO L691 BuchiCegarLoop]: Abstraction has 555 states and 1004 transitions. [2020-11-29 20:25:00,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 555 states and 1004 transitions. [2020-11-29 20:25:00,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 555 to 555. [2020-11-29 20:25:00,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 555 states. [2020-11-29 20:25:00,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 555 states and 1004 transitions. [2020-11-29 20:25:00,740 INFO L714 BuchiCegarLoop]: Abstraction has 555 states and 1004 transitions. [2020-11-29 20:25:00,741 INFO L594 BuchiCegarLoop]: Abstraction has 555 states and 1004 transitions. [2020-11-29 20:25:00,741 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-29 20:25:00,741 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 555 states and 1004 transitions. [2020-11-29 20:25:00,743 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 218 [2020-11-29 20:25:00,744 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 20:25:00,744 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 20:25:00,747 INFO L852 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] [2020-11-29 20:25:00,747 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:25:00,747 INFO L794 eck$LassoCheckResult]: Stem: 209866#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(35);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string18.base, #t~string18.offset, 1);call write~init~int(115, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(10, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(10);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(34);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(16);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(20);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(22);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(21);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(44);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(44);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(9);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(9);call #t~string80.base, #t~string80.offset := #Ultimate.allocOnStack(11);call #t~string84.base, #t~string84.offset := #Ultimate.allocOnStack(19);call #t~string87.base, #t~string87.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string87.base, #t~string87.offset, 1);call write~init~int(100, #t~string87.base, 1 + #t~string87.offset, 1);call write~init~int(10, #t~string87.base, 2 + #t~string87.offset, 1);call write~init~int(0, #t~string87.base, 3 + #t~string87.offset, 1);call #t~string90.base, #t~string90.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string90.base, #t~string90.offset, 1);call write~init~int(100, #t~string90.base, 1 + #t~string90.offset, 1);call write~init~int(10, #t~string90.base, 2 + #t~string90.offset, 1);call write~init~int(0, #t~string90.base, 3 + #t~string90.offset, 1);call #t~string98.base, #t~string98.offset := #Ultimate.allocOnStack(10);call #t~string101.base, #t~string101.offset := #Ultimate.allocOnStack(12);call #t~string104.base, #t~string104.offset := #Ultimate.allocOnStack(10);call #t~string107.base, #t~string107.offset := #Ultimate.allocOnStack(18);call #t~string110.base, #t~string110.offset := #Ultimate.allocOnStack(16);call #t~string113.base, #t~string113.offset := #Ultimate.allocOnStack(21);call #t~string116.base, #t~string116.offset := #Ultimate.allocOnStack(13);call #t~string119.base, #t~string119.offset := #Ultimate.allocOnStack(16);call #t~string122.base, #t~string122.offset := #Ultimate.allocOnStack(25);call #t~string146.base, #t~string146.offset := #Ultimate.allocOnStack(30);call #t~string147.base, #t~string147.offset := #Ultimate.allocOnStack(9);call #t~string148.base, #t~string148.offset := #Ultimate.allocOnStack(21);call #t~string149.base, #t~string149.offset := #Ultimate.allocOnStack(30);call #t~string150.base, #t~string150.offset := #Ultimate.allocOnStack(9);call #t~string151.base, #t~string151.offset := #Ultimate.allocOnStack(21);call #t~string155.base, #t~string155.offset := #Ultimate.allocOnStack(30);call #t~string156.base, #t~string156.offset := #Ultimate.allocOnStack(9);call #t~string157.base, #t~string157.offset := #Ultimate.allocOnStack(25);call #t~string158.base, #t~string158.offset := #Ultimate.allocOnStack(30);call #t~string159.base, #t~string159.offset := #Ultimate.allocOnStack(9);call #t~string160.base, #t~string160.offset := #Ultimate.allocOnStack(25);call #t~string163.base, #t~string163.offset := #Ultimate.allocOnStack(13);~__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; 209567#L-1 havoc main_#res;havoc main_#t~ret82, main_~retValue_acc~36, main_~tmp~17;havoc main_~retValue_acc~36;havoc main_~tmp~17;~__GUIDSL_ROOT_PRODUCTION~0 := 1; 209568#L2048 havoc select_features_#t~ret61, select_features_#t~ret62, select_features_#t~ret63, select_features_#t~ret64, select_features_#t~ret65, select_features_#t~ret66, select_features_#t~ret67, select_features_#t~ret68;havoc select_one_#res;havoc select_one_#t~nondet60, select_one_~retValue_acc~23, select_one_~choice~0;havoc select_one_~retValue_acc~23;select_one_~choice~0 := select_one_#t~nondet60;havoc select_one_#t~nondet60;select_one_~retValue_acc~23 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~23; 209859#L2021 select_features_#t~ret61 := select_one_#res;~__SELECTED_FEATURE_Base~0 := select_features_#t~ret61;havoc select_features_#t~ret61;havoc select_one_#res;havoc select_one_#t~nondet60, select_one_~retValue_acc~23, select_one_~choice~0;havoc select_one_~retValue_acc~23;select_one_~choice~0 := select_one_#t~nondet60;havoc select_one_#t~nondet60;select_one_~retValue_acc~23 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~23; 209964#L2021-1 select_features_#t~ret62 := select_one_#res;~__SELECTED_FEATURE_Keys~0 := select_features_#t~ret62;havoc select_features_#t~ret62;havoc select_one_#res;havoc select_one_#t~nondet60, select_one_~retValue_acc~23, select_one_~choice~0;havoc select_one_~retValue_acc~23;select_one_~choice~0 := select_one_#t~nondet60;havoc select_one_#t~nondet60;select_one_~retValue_acc~23 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~23; 209958#L2021-2 select_features_#t~ret63 := select_one_#res;~__SELECTED_FEATURE_Encrypt~0 := select_features_#t~ret63;havoc select_features_#t~ret63;havoc select_one_#res;havoc select_one_#t~nondet60, select_one_~retValue_acc~23, select_one_~choice~0;havoc select_one_~retValue_acc~23;select_one_~choice~0 := select_one_#t~nondet60;havoc select_one_#t~nondet60;select_one_~retValue_acc~23 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~23; 209959#L2021-3 select_features_#t~ret64 := select_one_#res;~__SELECTED_FEATURE_AutoResponder~0 := select_features_#t~ret64;havoc select_features_#t~ret64;havoc select_one_#res;havoc select_one_#t~nondet60, select_one_~retValue_acc~23, select_one_~choice~0;havoc select_one_~retValue_acc~23;select_one_~choice~0 := select_one_#t~nondet60;havoc select_one_#t~nondet60;select_one_~retValue_acc~23 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~23; 209967#L2021-4 select_features_#t~ret65 := select_one_#res;~__SELECTED_FEATURE_AddressBook~0 := select_features_#t~ret65;havoc select_features_#t~ret65;~__SELECTED_FEATURE_Sign~0 := 1;havoc select_one_#res;havoc select_one_#t~nondet60, select_one_~retValue_acc~23, select_one_~choice~0;havoc select_one_~retValue_acc~23;select_one_~choice~0 := select_one_#t~nondet60;havoc select_one_#t~nondet60;select_one_~retValue_acc~23 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~23; 209972#L2021-5 select_features_#t~ret66 := select_one_#res;~__SELECTED_FEATURE_Forward~0 := select_features_#t~ret66;havoc select_features_#t~ret66;havoc select_one_#res;havoc select_one_#t~nondet60, select_one_~retValue_acc~23, select_one_~choice~0;havoc select_one_~retValue_acc~23;select_one_~choice~0 := select_one_#t~nondet60;havoc select_one_#t~nondet60;select_one_~retValue_acc~23 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~23; 209977#L2021-6 select_features_#t~ret67 := select_one_#res;~__SELECTED_FEATURE_Verify~0 := select_features_#t~ret67;havoc select_features_#t~ret67;havoc select_one_#res;havoc select_one_#t~nondet60, select_one_~retValue_acc~23, select_one_~choice~0;havoc select_one_~retValue_acc~23;select_one_~choice~0 := select_one_#t~nondet60;havoc select_one_#t~nondet60;select_one_~retValue_acc~23 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~23; 209956#L2021-7 select_features_#t~ret68 := select_one_#res;~__SELECTED_FEATURE_Decrypt~0 := select_features_#t~ret68;havoc select_features_#t~ret68; 209957#L2040 havoc valid_product_#res;havoc valid_product_~retValue_acc~24, valid_product_~tmp~15;havoc valid_product_~retValue_acc~24;havoc valid_product_~tmp~15; 210008#L2056 assume 0 == ~__SELECTED_FEATURE_Encrypt~0; 209855#L2060 assume 0 == ~__SELECTED_FEATURE_Decrypt~0; 209883#L2065 assume 0 == ~__SELECTED_FEATURE_Encrypt~0; 209565#L2070 assume 0 == ~__SELECTED_FEATURE_Sign~0; 209736#L2075 assume 0 == ~__SELECTED_FEATURE_Verify~0; 209561#L2080 assume 0 == ~__SELECTED_FEATURE_Sign~0; 209562#L2085 assume 0 != ~__SELECTED_FEATURE_Base~0;valid_product_~tmp~15 := 1; 209737#L2059-1 valid_product_~retValue_acc~24 := valid_product_~tmp~15;valid_product_#res := valid_product_~retValue_acc~24; 209856#L2116 main_#t~ret82 := valid_product_#res;main_~tmp~17 := main_#t~ret82;havoc main_#t~ret82; 209777#L2712 assume 0 != main_~tmp~17;havoc setup_#t~nondet77, setup_#t~nondet79, setup_#t~nondet81, 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; 209778#L2556 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; 209923#L1994-2 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 209696#L2000-5 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string76.base, #t~string76.offset;havoc setup_#t~nondet77;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0; 209914#L2594 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; 209927#L1994-6 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 209602#L2000-11 setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string78.base, #t~string78.offset;havoc setup_#t~nondet79;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0; 209990#L2632 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; 209935#L1994-10 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 209517#L2000-17 setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset := #t~string80.base, #t~string80.offset;havoc setup_#t~nondet81; 209933#L2699 havoc test_#t~nondet7, test_#t~nondet8, test_#t~nondet9, test_#t~nondet10, test_#t~nondet11, test_#t~nondet12, test_#t~nondet13, test_#t~nondet14, test_#t~nondet15, test_#t~nondet16, test_#t~nondet17, 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~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 209934#L293-1 assume !false; 209951#L102 [2020-11-29 20:25:00,748 INFO L796 eck$LassoCheckResult]: Loop: 209951#L102 assume test_~splverifierCounter~0 < 4; 209693#L103 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 209626#L109 assume !(0 == test_~op1~0); 209627#L126 assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet8;havoc test_#t~nondet8; 209632#L131 assume 0 != test_~tmp___8~0; 209634#L132 assume !(0 != ~__SELECTED_FEATURE_AutoResponder~0); 209664#L132-1 test_~op2~0 := 1; 209644#L293-1 assume !false; 209951#L102 [2020-11-29 20:25:00,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:25:00,749 INFO L82 PathProgramCache]: Analyzing trace with hash 507241003, now seen corresponding path program 1 times [2020-11-29 20:25:00,749 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:25:00,750 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673281764] [2020-11-29 20:25:00,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:25:00,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:25:00,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:25:00,931 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673281764] [2020-11-29 20:25:00,931 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:25:00,931 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 20:25:00,931 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28833201] [2020-11-29 20:25:00,932 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-11-29 20:25:00,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:25:00,932 INFO L82 PathProgramCache]: Analyzing trace with hash 1422577527, now seen corresponding path program 1 times [2020-11-29 20:25:00,932 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:25:00,933 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174050196] [2020-11-29 20:25:00,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:25:00,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:25:00,945 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:25:00,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:25:00,951 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:25:00,966 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 20:25:01,018 INFO L210 LassoAnalysis]: Preferences: [2020-11-29 20:25:01,018 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-29 20:25:01,018 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-29 20:25:01,018 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-29 20:25:01,018 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-11-29 20:25:01,018 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:25:01,018 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-29 20:25:01,019 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-29 20:25:01,019 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec4_productSimulator.cil.c_Iteration2_Loop [2020-11-29 20:25:01,019 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-29 20:25:01,019 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-29 20:25:01,020 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:25:01,033 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:25:01,038 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:25:01,043 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:25:01,052 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:25:01,190 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-29 20:25:01,190 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_04f3dd58-fd59-4f17-847b-55ab571c4417/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) [2020-11-29 20:25:01,196 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-29 20:25:01,197 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_04f3dd58-fd59-4f17-847b-55ab571c4417/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) [2020-11-29 20:25:01,251 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-11-29 20:25:01,251 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:25:01,258 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-11-29 20:25:01,296 INFO L210 LassoAnalysis]: Preferences: [2020-11-29 20:25:01,297 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-29 20:25:01,297 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-29 20:25:01,297 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-29 20:25:01,297 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-29 20:25:01,297 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:25:01,297 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-29 20:25:01,297 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-29 20:25:01,297 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec4_productSimulator.cil.c_Iteration2_Loop [2020-11-29 20:25:01,297 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-29 20:25:01,297 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-29 20:25:01,298 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:25:01,311 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:25:01,316 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:25:01,323 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:25:01,333 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:25:01,469 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-29 20:25:01,469 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_04f3dd58-fd59-4f17-847b-55ab571c4417/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) [2020-11-29 20:25:01,474 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 [2020-11-29 20:25:01,476 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:25:01,476 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 20:25:01,476 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:25:01,476 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:25:01,476 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:25:01,478 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 20:25:01,479 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:25:01,482 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-29 20:25:01,490 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-11-29 20:25:01,490 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_04f3dd58-fd59-4f17-847b-55ab571c4417/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) [2020-11-29 20:25:01,497 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-11-29 20:25:01,497 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-11-29 20:25:01,497 INFO L510 LassoAnalysis]: Proved termination. [2020-11-29 20:25:01,497 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op2~0) = -2*ULTIMATE.start_test_~op2~0 + 1 Supporting invariants [] Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:25:01,543 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-11-29 20:25:01,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:25:01,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:25:01,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 687 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 20:25:01,758 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 20:25:01,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:25:01,796 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-29 20:25:01,796 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 20:25:01,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:25:01,843 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 [2020-11-29 20:25:01,843 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 555 states and 1004 transitions. cyclomatic complexity: 451 Second operand 5 states. [2020-11-29 20:25:02,068 INFO L75 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. [2020-11-29 20:25:02,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2020-11-29 20:25:02,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-11-29 20:25:02,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1089 transitions. [2020-11-29 20:25:02,072 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 1089 transitions. Stem has 33 letters. Loop has 8 letters. [2020-11-29 20:25:02,072 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 20:25:02,073 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 1089 transitions. Stem has 41 letters. Loop has 8 letters. [2020-11-29 20:25:02,076 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 20:25:02,076 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 1089 transitions. Stem has 33 letters. Loop has 16 letters. [2020-11-29 20:25:02,081 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 20:25:02,082 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2006 states and 3673 transitions. [2020-11-29 20:25:02,092 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 425 [2020-11-29 20:25:02,113 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2006 states to 1996 states and 3655 transitions. [2020-11-29 20:25:02,113 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 494 [2020-11-29 20:25:02,114 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 496 [2020-11-29 20:25:02,115 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1996 states and 3655 transitions. [2020-11-29 20:25:02,115 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-29 20:25:02,115 INFO L691 BuchiCegarLoop]: Abstraction has 1996 states and 3655 transitions. [2020-11-29 20:25:02,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1996 states and 3655 transitions. [2020-11-29 20:25:02,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1996 to 1039. [2020-11-29 20:25:02,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1039 states. [2020-11-29 20:25:02,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1039 states to 1039 states and 1894 transitions. [2020-11-29 20:25:02,158 INFO L714 BuchiCegarLoop]: Abstraction has 1039 states and 1894 transitions. [2020-11-29 20:25:02,158 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:25:02,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 20:25:02,159 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 20:25:02,159 INFO L87 Difference]: Start difference. First operand 1039 states and 1894 transitions. Second operand 3 states. [2020-11-29 20:25:02,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:25:02,411 INFO L93 Difference]: Finished difference Result 1039 states and 1892 transitions. [2020-11-29 20:25:02,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 20:25:02,412 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1039 states and 1892 transitions. [2020-11-29 20:25:02,418 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 213 [2020-11-29 20:25:02,427 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1039 states to 1039 states and 1892 transitions. [2020-11-29 20:25:02,428 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 281 [2020-11-29 20:25:02,428 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 281 [2020-11-29 20:25:02,428 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1039 states and 1892 transitions. [2020-11-29 20:25:02,434 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-29 20:25:02,434 INFO L691 BuchiCegarLoop]: Abstraction has 1039 states and 1892 transitions. [2020-11-29 20:25:02,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1039 states and 1892 transitions. [2020-11-29 20:25:02,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1039 to 1039. [2020-11-29 20:25:02,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1039 states. [2020-11-29 20:25:02,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1039 states to 1039 states and 1892 transitions. [2020-11-29 20:25:02,458 INFO L714 BuchiCegarLoop]: Abstraction has 1039 states and 1892 transitions. [2020-11-29 20:25:02,458 INFO L594 BuchiCegarLoop]: Abstraction has 1039 states and 1892 transitions. [2020-11-29 20:25:02,458 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-11-29 20:25:02,459 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1039 states and 1892 transitions. [2020-11-29 20:25:02,462 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 213 [2020-11-29 20:25:02,462 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 20:25:02,462 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 20:25:02,466 INFO L852 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, 1] [2020-11-29 20:25:02,466 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:25:02,467 INFO L794 eck$LassoCheckResult]: Stem: 214655#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(35);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string18.base, #t~string18.offset, 1);call write~init~int(115, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(10, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(10);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(34);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(16);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(20);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(22);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(21);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(44);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(44);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(9);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(9);call #t~string80.base, #t~string80.offset := #Ultimate.allocOnStack(11);call #t~string84.base, #t~string84.offset := #Ultimate.allocOnStack(19);call #t~string87.base, #t~string87.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string87.base, #t~string87.offset, 1);call write~init~int(100, #t~string87.base, 1 + #t~string87.offset, 1);call write~init~int(10, #t~string87.base, 2 + #t~string87.offset, 1);call write~init~int(0, #t~string87.base, 3 + #t~string87.offset, 1);call #t~string90.base, #t~string90.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string90.base, #t~string90.offset, 1);call write~init~int(100, #t~string90.base, 1 + #t~string90.offset, 1);call write~init~int(10, #t~string90.base, 2 + #t~string90.offset, 1);call write~init~int(0, #t~string90.base, 3 + #t~string90.offset, 1);call #t~string98.base, #t~string98.offset := #Ultimate.allocOnStack(10);call #t~string101.base, #t~string101.offset := #Ultimate.allocOnStack(12);call #t~string104.base, #t~string104.offset := #Ultimate.allocOnStack(10);call #t~string107.base, #t~string107.offset := #Ultimate.allocOnStack(18);call #t~string110.base, #t~string110.offset := #Ultimate.allocOnStack(16);call #t~string113.base, #t~string113.offset := #Ultimate.allocOnStack(21);call #t~string116.base, #t~string116.offset := #Ultimate.allocOnStack(13);call #t~string119.base, #t~string119.offset := #Ultimate.allocOnStack(16);call #t~string122.base, #t~string122.offset := #Ultimate.allocOnStack(25);call #t~string146.base, #t~string146.offset := #Ultimate.allocOnStack(30);call #t~string147.base, #t~string147.offset := #Ultimate.allocOnStack(9);call #t~string148.base, #t~string148.offset := #Ultimate.allocOnStack(21);call #t~string149.base, #t~string149.offset := #Ultimate.allocOnStack(30);call #t~string150.base, #t~string150.offset := #Ultimate.allocOnStack(9);call #t~string151.base, #t~string151.offset := #Ultimate.allocOnStack(21);call #t~string155.base, #t~string155.offset := #Ultimate.allocOnStack(30);call #t~string156.base, #t~string156.offset := #Ultimate.allocOnStack(9);call #t~string157.base, #t~string157.offset := #Ultimate.allocOnStack(25);call #t~string158.base, #t~string158.offset := #Ultimate.allocOnStack(30);call #t~string159.base, #t~string159.offset := #Ultimate.allocOnStack(9);call #t~string160.base, #t~string160.offset := #Ultimate.allocOnStack(25);call #t~string163.base, #t~string163.offset := #Ultimate.allocOnStack(13);~__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; 214352#L-1 havoc main_#res;havoc main_#t~ret82, main_~retValue_acc~36, main_~tmp~17;havoc main_~retValue_acc~36;havoc main_~tmp~17;~__GUIDSL_ROOT_PRODUCTION~0 := 1; 214353#L2048 havoc select_features_#t~ret61, select_features_#t~ret62, select_features_#t~ret63, select_features_#t~ret64, select_features_#t~ret65, select_features_#t~ret66, select_features_#t~ret67, select_features_#t~ret68;havoc select_one_#res;havoc select_one_#t~nondet60, select_one_~retValue_acc~23, select_one_~choice~0;havoc select_one_~retValue_acc~23;select_one_~choice~0 := select_one_#t~nondet60;havoc select_one_#t~nondet60;select_one_~retValue_acc~23 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~23; 214648#L2021 select_features_#t~ret61 := select_one_#res;~__SELECTED_FEATURE_Base~0 := select_features_#t~ret61;havoc select_features_#t~ret61;havoc select_one_#res;havoc select_one_#t~nondet60, select_one_~retValue_acc~23, select_one_~choice~0;havoc select_one_~retValue_acc~23;select_one_~choice~0 := select_one_#t~nondet60;havoc select_one_#t~nondet60;select_one_~retValue_acc~23 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~23; 214758#L2021-1 select_features_#t~ret62 := select_one_#res;~__SELECTED_FEATURE_Keys~0 := select_features_#t~ret62;havoc select_features_#t~ret62;havoc select_one_#res;havoc select_one_#t~nondet60, select_one_~retValue_acc~23, select_one_~choice~0;havoc select_one_~retValue_acc~23;select_one_~choice~0 := select_one_#t~nondet60;havoc select_one_#t~nondet60;select_one_~retValue_acc~23 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~23; 214752#L2021-2 select_features_#t~ret63 := select_one_#res;~__SELECTED_FEATURE_Encrypt~0 := select_features_#t~ret63;havoc select_features_#t~ret63;havoc select_one_#res;havoc select_one_#t~nondet60, select_one_~retValue_acc~23, select_one_~choice~0;havoc select_one_~retValue_acc~23;select_one_~choice~0 := select_one_#t~nondet60;havoc select_one_#t~nondet60;select_one_~retValue_acc~23 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~23; 214753#L2021-3 select_features_#t~ret64 := select_one_#res;~__SELECTED_FEATURE_AutoResponder~0 := select_features_#t~ret64;havoc select_features_#t~ret64;havoc select_one_#res;havoc select_one_#t~nondet60, select_one_~retValue_acc~23, select_one_~choice~0;havoc select_one_~retValue_acc~23;select_one_~choice~0 := select_one_#t~nondet60;havoc select_one_#t~nondet60;select_one_~retValue_acc~23 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~23; 214761#L2021-4 select_features_#t~ret65 := select_one_#res;~__SELECTED_FEATURE_AddressBook~0 := select_features_#t~ret65;havoc select_features_#t~ret65;~__SELECTED_FEATURE_Sign~0 := 1;havoc select_one_#res;havoc select_one_#t~nondet60, select_one_~retValue_acc~23, select_one_~choice~0;havoc select_one_~retValue_acc~23;select_one_~choice~0 := select_one_#t~nondet60;havoc select_one_#t~nondet60;select_one_~retValue_acc~23 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~23; 214766#L2021-5 select_features_#t~ret66 := select_one_#res;~__SELECTED_FEATURE_Forward~0 := select_features_#t~ret66;havoc select_features_#t~ret66;havoc select_one_#res;havoc select_one_#t~nondet60, select_one_~retValue_acc~23, select_one_~choice~0;havoc select_one_~retValue_acc~23;select_one_~choice~0 := select_one_#t~nondet60;havoc select_one_#t~nondet60;select_one_~retValue_acc~23 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~23; 214771#L2021-6 select_features_#t~ret67 := select_one_#res;~__SELECTED_FEATURE_Verify~0 := select_features_#t~ret67;havoc select_features_#t~ret67;havoc select_one_#res;havoc select_one_#t~nondet60, select_one_~retValue_acc~23, select_one_~choice~0;havoc select_one_~retValue_acc~23;select_one_~choice~0 := select_one_#t~nondet60;havoc select_one_#t~nondet60;select_one_~retValue_acc~23 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~23; 214750#L2021-7 select_features_#t~ret68 := select_one_#res;~__SELECTED_FEATURE_Decrypt~0 := select_features_#t~ret68;havoc select_features_#t~ret68; 214751#L2040 havoc valid_product_#res;havoc valid_product_~retValue_acc~24, valid_product_~tmp~15;havoc valid_product_~retValue_acc~24;havoc valid_product_~tmp~15; 214805#L2056 assume 0 == ~__SELECTED_FEATURE_Encrypt~0; 214644#L2060 assume 0 == ~__SELECTED_FEATURE_Decrypt~0; 214676#L2065 assume 0 == ~__SELECTED_FEATURE_Encrypt~0; 214350#L2070 assume !(0 == ~__SELECTED_FEATURE_Sign~0); 214517#L2074 assume 0 != ~__SELECTED_FEATURE_Verify~0; 214518#L2075 assume 0 == ~__SELECTED_FEATURE_Verify~0; 214347#L2080 assume !(0 == ~__SELECTED_FEATURE_Sign~0); 214348#L2084 assume 0 != ~__SELECTED_FEATURE_Keys~0; 214519#L2085 assume 0 != ~__SELECTED_FEATURE_Base~0;valid_product_~tmp~15 := 1; 214520#L2059-1 valid_product_~retValue_acc~24 := valid_product_~tmp~15;valid_product_#res := valid_product_~retValue_acc~24; 214645#L2116 main_#t~ret82 := valid_product_#res;main_~tmp~17 := main_#t~ret82;havoc main_#t~ret82; 214558#L2712 assume 0 != main_~tmp~17;havoc setup_#t~nondet77, setup_#t~nondet79, setup_#t~nondet81, 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; 214559#L2556 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; 214716#L1994-2 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 214478#L2000-5 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string76.base, #t~string76.offset;havoc setup_#t~nondet77;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0; 214707#L2594 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; 214720#L1994-6 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 214387#L2000-11 setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string78.base, #t~string78.offset;havoc setup_#t~nondet79;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0; 214784#L2632 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; 214728#L1994-10 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 214303#L2000-17 setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset := #t~string80.base, #t~string80.offset;havoc setup_#t~nondet81; 214726#L2699 havoc test_#t~nondet7, test_#t~nondet8, test_#t~nondet9, test_#t~nondet10, test_#t~nondet11, test_#t~nondet12, test_#t~nondet13, test_#t~nondet14, test_#t~nondet15, test_#t~nondet16, test_#t~nondet17, 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~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 214727#L293-1 assume !false; 214926#L102 assume test_~splverifierCounter~0 < 4; 214474#L103 [2020-11-29 20:25:02,468 INFO L796 eck$LassoCheckResult]: Loop: 214474#L103 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 214411#L109 assume !(0 == test_~op1~0); 214412#L126 assume !(0 == test_~op2~0); 214418#L144 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet9;havoc test_#t~nondet9; 214611#L149 assume 0 != test_~tmp___7~0; 214612#L150 assume !(0 != ~__SELECTED_FEATURE_Keys~0); 214356#L150-1 test_~op3~0 := 1; 214427#L293-1 assume !false; 214745#L102 assume test_~splverifierCounter~0 < 4; 214474#L103 [2020-11-29 20:25:02,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:25:02,469 INFO L82 PathProgramCache]: Analyzing trace with hash -1345931480, now seen corresponding path program 1 times [2020-11-29 20:25:02,469 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:25:02,470 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333616910] [2020-11-29 20:25:02,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:25:02,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:25:02,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:25:02,599 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333616910] [2020-11-29 20:25:02,599 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:25:02,599 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 20:25:02,600 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134965103] [2020-11-29 20:25:02,600 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-11-29 20:25:02,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:25:02,601 INFO L82 PathProgramCache]: Analyzing trace with hash -986478044, now seen corresponding path program 1 times [2020-11-29 20:25:02,601 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:25:02,601 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247747771] [2020-11-29 20:25:02,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:25:02,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:25:02,612 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:25:02,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:25:02,617 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:25:02,628 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 20:25:02,689 INFO L210 LassoAnalysis]: Preferences: [2020-11-29 20:25:02,689 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-29 20:25:02,689 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-29 20:25:02,689 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-29 20:25:02,689 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-11-29 20:25:02,689 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:25:02,689 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-29 20:25:02,690 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-29 20:25:02,690 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec4_productSimulator.cil.c_Iteration3_Loop [2020-11-29 20:25:02,690 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-29 20:25:02,690 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-29 20:25:02,691 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:25:02,700 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:25:02,710 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:25:02,715 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:25:02,726 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:25:02,733 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:25:02,868 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-29 20:25:02,868 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_04f3dd58-fd59-4f17-847b-55ab571c4417/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) [2020-11-29 20:25:02,878 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-29 20:25:02,878 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:25:02,886 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-29 20:25:02,886 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_04f3dd58-fd59-4f17-847b-55ab571c4417/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) [2020-11-29 20:25:02,941 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-29 20:25:02,942 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:25:02,949 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-29 20:25:02,949 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_#t~nondet9=-2, ULTIMATE.start_test_~tmp___7~0=-2} Honda state: {ULTIMATE.start_test_#t~nondet9=-2, ULTIMATE.start_test_~tmp___7~0=-2} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_04f3dd58-fd59-4f17-847b-55ab571c4417/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) [2020-11-29 20:25:03,003 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-29 20:25:03,003 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:25:03,008 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-29 20:25:03,008 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_~op1~0=-5} Honda state: {ULTIMATE.start_test_~op1~0=-5} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_04f3dd58-fd59-4f17-847b-55ab571c4417/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 [2020-11-29 20:25:03,057 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-29 20:25:03,057 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_04f3dd58-fd59-4f17-847b-55ab571c4417/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 [2020-11-29 20:25:03,109 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-11-29 20:25:03,109 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-11-29 20:25:03,237 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-11-29 20:25:03,240 INFO L210 LassoAnalysis]: Preferences: [2020-11-29 20:25:03,240 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-29 20:25:03,240 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-29 20:25:03,240 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-29 20:25:03,240 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-29 20:25:03,240 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:25:03,240 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-29 20:25:03,241 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-29 20:25:03,241 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec4_productSimulator.cil.c_Iteration3_Loop [2020-11-29 20:25:03,241 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-29 20:25:03,241 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-29 20:25:03,242 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:25:03,254 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:25:03,258 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:25:03,263 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:25:03,272 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:25:03,276 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:25:03,423 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-29 20:25:03,423 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_04f3dd58-fd59-4f17-847b-55ab571c4417/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) [2020-11-29 20:25:03,434 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 [2020-11-29 20:25:03,436 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:25:03,436 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 20:25:03,436 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:25:03,436 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-29 20:25:03,436 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:25:03,440 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-29 20:25:03,440 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:25:03,445 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_04f3dd58-fd59-4f17-847b-55ab571c4417/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) [2020-11-29 20:25:03,496 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 [2020-11-29 20:25:03,498 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:25:03,499 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 20:25:03,499 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:25:03,499 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:25:03,499 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:25:03,500 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 20:25:03,500 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:25:03,503 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_04f3dd58-fd59-4f17-847b-55ab571c4417/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) [2020-11-29 20:25:03,546 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 [2020-11-29 20:25:03,548 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:25:03,548 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 20:25:03,549 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:25:03,549 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-29 20:25:03,549 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:25:03,550 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-29 20:25:03,550 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:25:03,553 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_04f3dd58-fd59-4f17-847b-55ab571c4417/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) [2020-11-29 20:25:03,609 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 [2020-11-29 20:25:03,611 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:25:03,611 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 20:25:03,611 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:25:03,611 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:25:03,611 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:25:03,613 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 20:25:03,613 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:25:03,617 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-29 20:25:03,621 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-11-29 20:25:03,621 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_04f3dd58-fd59-4f17-847b-55ab571c4417/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 [2020-11-29 20:25:03,633 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-11-29 20:25:03,634 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-11-29 20:25:03,634 INFO L510 LassoAnalysis]: Proved termination. [2020-11-29 20:25:03,634 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 5 Supporting invariants [] [2020-11-29 20:25:03,672 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-11-29 20:25:03,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:25:03,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:25:03,924 INFO L263 TraceCheckSpWp]: Trace formula consists of 688 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 20:25:03,931 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 20:25:03,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:25:03,993 INFO L263 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-29 20:25:03,996 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 20:25:04,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:25:04,385 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 [2020-11-29 20:25:04,385 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1039 states and 1892 transitions. cyclomatic complexity: 857 Second operand 3 states. [2020-11-29 20:25:04,524 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1039 states and 1892 transitions. cyclomatic complexity: 857. Second operand 3 states. Result 2228 states and 4083 transitions. Complement of second has 4 states. [2020-11-29 20:25:04,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2020-11-29 20:25:04,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-11-29 20:25:04,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 599 transitions. [2020-11-29 20:25:04,526 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 599 transitions. Stem has 36 letters. Loop has 9 letters. [2020-11-29 20:25:04,526 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 20:25:04,527 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 599 transitions. Stem has 45 letters. Loop has 9 letters. [2020-11-29 20:25:04,527 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 20:25:04,527 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 599 transitions. Stem has 36 letters. Loop has 18 letters. [2020-11-29 20:25:04,527 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 20:25:04,527 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2228 states and 4083 transitions. [2020-11-29 20:25:04,538 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-29 20:25:04,539 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2228 states to 0 states and 0 transitions. [2020-11-29 20:25:04,539 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-11-29 20:25:04,539 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-11-29 20:25:04,539 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-11-29 20:25:04,539 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-29 20:25:04,539 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 20:25:04,540 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 20:25:04,540 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:25:04,540 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 20:25:04,541 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 20:25:04,541 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2020-11-29 20:25:04,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:25:04,541 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-11-29 20:25:04,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-29 20:25:04,542 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2020-11-29 20:25:04,542 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-29 20:25:04,542 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2020-11-29 20:25:04,542 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-11-29 20:25:04,542 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-11-29 20:25:04,542 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-11-29 20:25:04,542 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-29 20:25:04,543 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 20:25:04,543 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 20:25:04,543 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 20:25:04,543 INFO L427 BuchiCegarLoop]: ======== Iteration 4============ [2020-11-29 20:25:04,543 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-11-29 20:25:04,543 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-29 20:25:04,544 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-11-29 20:25:04,553 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.11 08:25:04 BoogieIcfgContainer [2020-11-29 20:25:04,554 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-29 20:25:04,554 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 20:25:04,554 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 20:25:04,555 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 20:25:04,556 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:24:47" (3/4) ... [2020-11-29 20:25:04,559 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-29 20:25:04,559 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 20:25:04,563 INFO L168 Benchmark]: Toolchain (without parser) took 90818.90 ms. Allocated memory was 98.6 MB in the beginning and 8.5 GB in the end (delta: 8.4 GB). Free memory was 62.5 MB in the beginning and 7.0 GB in the end (delta: -6.9 GB). Peak memory consumption was 1.5 GB. Max. memory is 16.1 GB. [2020-11-29 20:25:04,569 INFO L168 Benchmark]: CDTParser took 1.02 ms. Allocated memory is still 98.6 MB. Free memory was 71.2 MB in the beginning and 71.2 MB in the end (delta: 29.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 20:25:04,571 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1554.35 ms. Allocated memory was 98.6 MB in the beginning and 130.0 MB in the end (delta: 31.5 MB). Free memory was 62.3 MB in the beginning and 67.9 MB in the end (delta: -5.6 MB). Peak memory consumption was 28.9 MB. Max. memory is 16.1 GB. [2020-11-29 20:25:04,572 INFO L168 Benchmark]: Boogie Procedure Inliner took 7532.63 ms. Allocated memory was 130.0 MB in the beginning and 1.4 GB in the end (delta: 1.2 GB). Free memory was 67.3 MB in the beginning and 1.0 GB in the end (delta: -952.3 MB). Peak memory consumption was 408.4 MB. Max. memory is 16.1 GB. [2020-11-29 20:25:04,573 INFO L168 Benchmark]: Boogie Preprocessor took 5171.50 ms. Allocated memory was 1.4 GB in the beginning and 3.8 GB in the end (delta: 2.4 GB). Free memory was 1.0 GB in the beginning and 3.1 GB in the end (delta: -2.1 GB). Peak memory consumption was 439.4 MB. Max. memory is 16.1 GB. [2020-11-29 20:25:04,577 INFO L168 Benchmark]: RCFGBuilder took 59460.02 ms. Allocated memory was 3.8 GB in the beginning and 8.2 GB in the end (delta: 4.5 GB). Free memory was 3.1 GB in the beginning and 7.1 GB in the end (delta: -4.0 GB). Peak memory consumption was 1.0 GB. Max. memory is 16.1 GB. [2020-11-29 20:25:04,579 INFO L168 Benchmark]: BuchiAutomizer took 17086.70 ms. Allocated memory was 8.2 GB in the beginning and 8.5 GB in the end (delta: 316.7 MB). Free memory was 7.1 GB in the beginning and 7.0 GB in the end (delta: 138.4 MB). Peak memory consumption was 455.1 MB. Max. memory is 16.1 GB. [2020-11-29 20:25:04,579 INFO L168 Benchmark]: Witness Printer took 5.19 ms. Allocated memory is still 8.5 GB. Free memory was 7.0 GB in the beginning and 7.0 GB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 20:25:04,591 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.02 ms. Allocated memory is still 98.6 MB. Free memory was 71.2 MB in the beginning and 71.2 MB in the end (delta: 29.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1554.35 ms. Allocated memory was 98.6 MB in the beginning and 130.0 MB in the end (delta: 31.5 MB). Free memory was 62.3 MB in the beginning and 67.9 MB in the end (delta: -5.6 MB). Peak memory consumption was 28.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 7532.63 ms. Allocated memory was 130.0 MB in the beginning and 1.4 GB in the end (delta: 1.2 GB). Free memory was 67.3 MB in the beginning and 1.0 GB in the end (delta: -952.3 MB). Peak memory consumption was 408.4 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 5171.50 ms. Allocated memory was 1.4 GB in the beginning and 3.8 GB in the end (delta: 2.4 GB). Free memory was 1.0 GB in the beginning and 3.1 GB in the end (delta: -2.1 GB). Peak memory consumption was 439.4 MB. Max. memory is 16.1 GB. * RCFGBuilder took 59460.02 ms. Allocated memory was 3.8 GB in the beginning and 8.2 GB in the end (delta: 4.5 GB). Free memory was 3.1 GB in the beginning and 7.1 GB in the end (delta: -4.0 GB). Peak memory consumption was 1.0 GB. Max. memory is 16.1 GB. * BuchiAutomizer took 17086.70 ms. Allocated memory was 8.2 GB in the beginning and 8.5 GB in the end (delta: 316.7 MB). Free memory was 7.1 GB in the beginning and 7.0 GB in the end (delta: 138.4 MB). Peak memory consumption was 455.1 MB. Max. memory is 16.1 GB. * Witness Printer took 5.19 ms. Allocated memory is still 8.5 GB. Free memory was 7.0 GB in the beginning and 7.0 GB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 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 17.0s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 3.3s. Construction of modules took 0.2s. Büchi inclusion checks took 9.2s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 4. Automata minimization 0.2s AutomataMinimizationTime, 4 MinimizatonAttempts, 1392 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 2.3s Buchi closure took 0.0s. Biggest automaton had 1039 states and ocurred in iteration 2. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 114528 SDtfs, 114023 SDslu, 171025 SDs, 0 SdLazy, 37 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s 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: 21ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 3 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...