./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/email_spec7_productSimulator.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_6f376d2e-1e11-42e8-99df-83c3380e9698/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_6f376d2e-1e11-42e8-99df-83c3380e9698/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_6f376d2e-1e11-42e8-99df-83c3380e9698/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_6f376d2e-1e11-42e8-99df-83c3380e9698/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/email_spec7_productSimulator.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_6f376d2e-1e11-42e8-99df-83c3380e9698/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_6f376d2e-1e11-42e8-99df-83c3380e9698/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 b8bd5ef0ed65d00a5817c5871e5658a5cf696ced ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 17:22:07,533 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 17:22:07,534 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 17:22:07,541 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 17:22:07,542 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 17:22:07,542 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 17:22:07,543 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 17:22:07,544 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 17:22:07,546 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 17:22:07,546 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 17:22:07,547 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 17:22:07,547 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 17:22:07,548 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 17:22:07,548 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 17:22:07,549 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 17:22:07,550 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 17:22:07,550 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 17:22:07,551 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 17:22:07,552 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 17:22:07,554 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 17:22:07,555 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 17:22:07,556 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 17:22:07,557 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 17:22:07,558 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 17:22:07,559 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 17:22:07,560 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 17:22:07,560 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 17:22:07,560 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 17:22:07,560 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 17:22:07,561 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 17:22:07,561 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 17:22:07,562 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 17:22:07,562 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 17:22:07,562 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 17:22:07,563 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 17:22:07,563 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 17:22:07,564 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 17:22:07,564 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 17:22:07,564 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 17:22:07,565 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 17:22:07,565 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 17:22:07,566 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_6f376d2e-1e11-42e8-99df-83c3380e9698/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-12-07 17:22:07,581 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 17:22:07,581 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 17:22:07,582 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 17:22:07,582 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 17:22:07,582 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 17:22:07,582 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 17:22:07,583 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 17:22:07,583 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 17:22:07,583 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 17:22:07,583 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 17:22:07,583 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 17:22:07,584 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 17:22:07,584 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 17:22:07,584 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 17:22:07,584 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 17:22:07,584 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 17:22:07,584 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 17:22:07,585 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 17:22:07,585 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 17:22:07,585 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 17:22:07,585 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 17:22:07,585 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 17:22:07,586 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 17:22:07,586 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 17:22:07,586 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 17:22:07,586 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 17:22:07,586 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 17:22:07,586 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 17:22:07,587 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 17:22:07,587 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 17:22:07,587 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 17:22:07,587 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 17:22:07,588 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 17:22:07,588 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_6f376d2e-1e11-42e8-99df-83c3380e9698/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 -> b8bd5ef0ed65d00a5817c5871e5658a5cf696ced [2019-12-07 17:22:07,687 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 17:22:07,697 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 17:22:07,700 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 17:22:07,701 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 17:22:07,701 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 17:22:07,702 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_6f376d2e-1e11-42e8-99df-83c3380e9698/bin/uautomizer/../../sv-benchmarks/c/product-lines/email_spec7_productSimulator.cil.c [2019-12-07 17:22:07,744 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6f376d2e-1e11-42e8-99df-83c3380e9698/bin/uautomizer/data/d8db8f41c/02fca131ca4f4d2f93c1598814d3cba8/FLAG1f204eaf2 [2019-12-07 17:22:08,248 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 17:22:08,248 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_6f376d2e-1e11-42e8-99df-83c3380e9698/sv-benchmarks/c/product-lines/email_spec7_productSimulator.cil.c [2019-12-07 17:22:08,262 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6f376d2e-1e11-42e8-99df-83c3380e9698/bin/uautomizer/data/d8db8f41c/02fca131ca4f4d2f93c1598814d3cba8/FLAG1f204eaf2 [2019-12-07 17:22:08,769 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_6f376d2e-1e11-42e8-99df-83c3380e9698/bin/uautomizer/data/d8db8f41c/02fca131ca4f4d2f93c1598814d3cba8 [2019-12-07 17:22:08,771 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 17:22:08,772 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 17:22:08,773 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 17:22:08,773 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 17:22:08,776 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 17:22:08,776 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:22:08" (1/1) ... [2019-12-07 17:22:08,778 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@778eab49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:22:08, skipping insertion in model container [2019-12-07 17:22:08,779 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:22:08" (1/1) ... [2019-12-07 17:22:08,784 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 17:22:08,840 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 17:22:09,278 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:22:09,289 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 17:22:09,367 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:22:09,471 INFO L208 MainTranslator]: Completed translation [2019-12-07 17:22:09,471 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:22:09 WrapperNode [2019-12-07 17:22:09,471 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 17:22:09,472 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 17:22:09,472 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 17:22:09,472 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 17:22:09,478 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:22:09" (1/1) ... [2019-12-07 17:22:09,500 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:22:09" (1/1) ... [2019-12-07 17:22:11,454 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 17:22:11,455 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 17:22:11,455 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 17:22:11,455 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 17:22:11,463 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:22:09" (1/1) ... [2019-12-07 17:22:11,464 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:22:09" (1/1) ... [2019-12-07 17:22:11,632 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:22:09" (1/1) ... [2019-12-07 17:22:11,633 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:22:09" (1/1) ... [2019-12-07 17:22:12,331 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:22:09" (1/1) ... [2019-12-07 17:22:12,550 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:22:09" (1/1) ... [2019-12-07 17:22:12,724 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:22:09" (1/1) ... [2019-12-07 17:22:13,093 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 17:22:13,094 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 17:22:13,094 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 17:22:13,094 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 17:22:13,095 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:22:09" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6f376d2e-1e11-42e8-99df-83c3380e9698/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:22:13,145 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-12-07 17:22:13,145 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 17:22:13,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-07 17:22:13,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 17:22:13,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 17:22:45,765 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 17:22:45,765 INFO L287 CfgBuilder]: Removed 36507 assume(true) statements. [2019-12-07 17:22:45,778 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:22:45 BoogieIcfgContainer [2019-12-07 17:22:45,778 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 17:22:45,779 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 17:22:45,779 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 17:22:45,781 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 17:22:45,781 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 17:22:45,781 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 05:22:08" (1/3) ... [2019-12-07 17:22:45,782 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5990a53c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 05:22:45, skipping insertion in model container [2019-12-07 17:22:45,782 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 17:22:45,782 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:22:09" (2/3) ... [2019-12-07 17:22:45,783 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5990a53c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 05:22:45, skipping insertion in model container [2019-12-07 17:22:45,783 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 17:22:45,783 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:22:45" (3/3) ... [2019-12-07 17:22:45,784 INFO L371 chiAutomizerObserver]: Analyzing ICFG email_spec7_productSimulator.cil.c [2019-12-07 17:22:45,812 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 17:22:45,812 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 17:22:45,812 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 17:22:45,812 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 17:22:45,812 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 17:22:45,812 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 17:22:45,812 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 17:22:45,813 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 17:22:46,057 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 35220 states. [2019-12-07 17:22:46,347 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 270 [2019-12-07 17:22:46,348 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 17:22:46,348 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 17:22:46,355 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:22:46,355 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:22:46,355 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 17:22:46,355 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 35220 states. [2019-12-07 17:22:46,531 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 270 [2019-12-07 17:22:46,531 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 17:22:46,531 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 17:22:46,533 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:22:46,533 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:22:46,538 INFO L794 eck$LassoCheckResult]: Stem: 2289#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(10);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(34);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(30);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(16);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(20);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(22);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(21);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(44);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(44);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(9);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(9);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(11);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(19);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string56.base, #t~string56.offset, 1);call write~init~int(100, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(10, #t~string56.base, 2 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 3 + #t~string56.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string59.base, #t~string59.offset, 1);call write~init~int(100, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(10, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 3 + #t~string59.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(10);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(12);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(10);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(18);call #t~string80.base, #t~string80.offset := #Ultimate.allocOnStack(16);call #t~string83.base, #t~string83.offset := #Ultimate.allocOnStack(21);call #t~string86.base, #t~string86.offset := #Ultimate.allocOnStack(13);call #t~string89.base, #t~string89.offset := #Ultimate.allocOnStack(16);call #t~string92.base, #t~string92.offset := #Ultimate.allocOnStack(25);call #t~string120.base, #t~string120.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string120.base, #t~string120.offset, 1);call write~init~int(115, #t~string120.base, 1 + #t~string120.offset, 1);call write~init~int(10, #t~string120.base, 2 + #t~string120.offset, 1);call write~init~int(0, #t~string120.base, 3 + #t~string120.offset, 1);call #t~string140.base, #t~string140.offset := #Ultimate.allocOnStack(30);call #t~string141.base, #t~string141.offset := #Ultimate.allocOnStack(9);call #t~string142.base, #t~string142.offset := #Ultimate.allocOnStack(21);call #t~string143.base, #t~string143.offset := #Ultimate.allocOnStack(30);call #t~string144.base, #t~string144.offset := #Ultimate.allocOnStack(9);call #t~string145.base, #t~string145.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(25);call #t~string152.base, #t~string152.offset := #Ultimate.allocOnStack(30);call #t~string153.base, #t~string153.offset := #Ultimate.allocOnStack(9);call #t~string154.base, #t~string154.offset := #Ultimate.allocOnStack(25);~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~__ste_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;~__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;~head~0.base, ~head~0.offset := 0, 0; 30532#L-1true havoc main_#res;havoc main_#t~ret51, main_~retValue_acc~16, main_~tmp~13;havoc main_~retValue_acc~16;havoc main_~tmp~13;~__GUIDSL_ROOT_PRODUCTION~0 := 1; 14061#L2990true havoc select_features_#t~ret112, select_features_#t~ret113, select_features_#t~ret114, select_features_#t~ret115, select_features_#t~ret116, select_features_#t~ret117, select_features_#t~ret118, select_features_#t~ret119;havoc select_one_#res;havoc select_one_#t~nondet111, select_one_~retValue_acc~39, select_one_~choice~0;havoc select_one_~retValue_acc~39;select_one_~choice~0 := select_one_#t~nondet111;havoc select_one_#t~nondet111;select_one_~retValue_acc~39 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~39; 6803#L2963true select_features_#t~ret112 := select_one_#res;~__SELECTED_FEATURE_Base~0 := select_features_#t~ret112;havoc select_features_#t~ret112;havoc select_one_#res;havoc select_one_#t~nondet111, select_one_~retValue_acc~39, select_one_~choice~0;havoc select_one_~retValue_acc~39;select_one_~choice~0 := select_one_#t~nondet111;havoc select_one_#t~nondet111;select_one_~retValue_acc~39 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~39; 6804#L2963-1true select_features_#t~ret113 := select_one_#res;~__SELECTED_FEATURE_Keys~0 := select_features_#t~ret113;havoc select_features_#t~ret113;havoc select_one_#res;havoc select_one_#t~nondet111, select_one_~retValue_acc~39, select_one_~choice~0;havoc select_one_~retValue_acc~39;select_one_~choice~0 := select_one_#t~nondet111;havoc select_one_#t~nondet111;select_one_~retValue_acc~39 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~39; 6805#L2963-2true select_features_#t~ret114 := select_one_#res;~__SELECTED_FEATURE_Encrypt~0 := select_features_#t~ret114;havoc select_features_#t~ret114;havoc select_one_#res;havoc select_one_#t~nondet111, select_one_~retValue_acc~39, select_one_~choice~0;havoc select_one_~retValue_acc~39;select_one_~choice~0 := select_one_#t~nondet111;havoc select_one_#t~nondet111;select_one_~retValue_acc~39 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~39; 6807#L2963-3true select_features_#t~ret115 := select_one_#res;~__SELECTED_FEATURE_AutoResponder~0 := select_features_#t~ret115;havoc select_features_#t~ret115;havoc select_one_#res;havoc select_one_#t~nondet111, select_one_~retValue_acc~39, select_one_~choice~0;havoc select_one_~retValue_acc~39;select_one_~choice~0 := select_one_#t~nondet111;havoc select_one_#t~nondet111;select_one_~retValue_acc~39 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~39; 6806#L2963-4true select_features_#t~ret116 := select_one_#res;~__SELECTED_FEATURE_AddressBook~0 := select_features_#t~ret116;havoc select_features_#t~ret116;havoc select_one_#res;havoc select_one_#t~nondet111, select_one_~retValue_acc~39, select_one_~choice~0;havoc select_one_~retValue_acc~39;select_one_~choice~0 := select_one_#t~nondet111;havoc select_one_#t~nondet111;select_one_~retValue_acc~39 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~39; 6800#L2963-5true select_features_#t~ret117 := select_one_#res;~__SELECTED_FEATURE_Sign~0 := select_features_#t~ret117;havoc select_features_#t~ret117;havoc select_one_#res;havoc select_one_#t~nondet111, select_one_~retValue_acc~39, select_one_~choice~0;havoc select_one_~retValue_acc~39;select_one_~choice~0 := select_one_#t~nondet111;havoc select_one_#t~nondet111;select_one_~retValue_acc~39 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~39; 6801#L2963-6true select_features_#t~ret118 := select_one_#res;~__SELECTED_FEATURE_Forward~0 := select_features_#t~ret118;havoc select_features_#t~ret118;~__SELECTED_FEATURE_Verify~0 := 1;havoc select_one_#res;havoc select_one_#t~nondet111, select_one_~retValue_acc~39, select_one_~choice~0;havoc select_one_~retValue_acc~39;select_one_~choice~0 := select_one_#t~nondet111;havoc select_one_#t~nondet111;select_one_~retValue_acc~39 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~39; 6802#L2963-7true select_features_#t~ret119 := select_one_#res;~__SELECTED_FEATURE_Decrypt~0 := select_features_#t~ret119;havoc select_features_#t~ret119; 6057#L2982true havoc valid_product_#res;havoc valid_product_~retValue_acc~40, valid_product_~tmp~24;havoc valid_product_~retValue_acc~40;havoc valid_product_~tmp~24; 13124#L2998true assume !(0 == ~__SELECTED_FEATURE_Encrypt~0); 16904#L3001true assume !(0 != ~__SELECTED_FEATURE_Decrypt~0);valid_product_~tmp~24 := 0; 16912#L3001-1true valid_product_~retValue_acc~40 := valid_product_~tmp~24;valid_product_#res := valid_product_~retValue_acc~40; 96#L3058true main_#t~ret51 := valid_product_#res;main_~tmp~13 := main_#t~ret51;havoc main_#t~ret51; 33524#L1250true assume 0 != main_~tmp~13;havoc setup_#t~nondet46, setup_#t~nondet48, setup_#t~nondet50, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~2.base, setup_~__cil_tmp3~2.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_tmp3~2.base, setup_~__cil_tmp3~2.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; 34895#L1094true 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; 33488#L2673-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 33471#L2679-5true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string45.base, #t~string45.offset;havoc setup_#t~nondet46;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0; 33885#L1132true 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; 33486#L2673-6true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 33469#L2679-11true setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string47.base, #t~string47.offset;havoc setup_#t~nondet48;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0; 34266#L1170true 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; 33484#L2673-10true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 33466#L2679-17true setup_~__cil_tmp3~2.base, setup_~__cil_tmp3~2.offset := #t~string49.base, #t~string49.offset;havoc setup_#t~nondet50; 33489#L1237true havoc test_#t~nondet100, test_#t~nondet101, test_#t~nondet102, test_#t~nondet103, test_#t~nondet104, test_#t~nondet105, test_#t~nondet106, test_#t~nondet107, test_#t~nondet108, test_#t~nondet109, test_#t~nondet110, 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~23, test_~tmp___0~9, test_~tmp___1~5, test_~tmp___2~4, test_~tmp___3~1, test_~tmp___4~1, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~23;havoc test_~tmp___0~9;havoc test_~tmp___1~5;havoc test_~tmp___2~4;havoc test_~tmp___3~1;havoc test_~tmp___4~1;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 24693#L2921-1true [2019-12-07 17:22:46,538 INFO L796 eck$LassoCheckResult]: Loop: 24693#L2921-1true assume !false; 32475#L2730true assume test_~splverifierCounter~0 < 4; 32440#L2731true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 32616#L2737true assume 0 == test_~op1~0;test_~tmp___9~0 := test_#t~nondet100;havoc test_#t~nondet100; 32612#L2741true assume 0 != test_~tmp___9~0; 32610#L2742true assume !(0 != ~__SELECTED_FEATURE_Keys~0); 32611#L2742-1true test_~op1~0 := 1; 24693#L2921-1true [2019-12-07 17:22:46,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:22:46,542 INFO L82 PathProgramCache]: Analyzing trace with hash -2102633898, now seen corresponding path program 1 times [2019-12-07 17:22:46,548 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:22:46,548 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183612224] [2019-12-07 17:22:46,549 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:22:46,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:22:46,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:22:46,764 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183612224] [2019-12-07 17:22:46,765 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:22:46,765 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-07 17:22:46,766 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86114309] [2019-12-07 17:22:46,770 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-12-07 17:22:46,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:22:46,771 INFO L82 PathProgramCache]: Analyzing trace with hash 569592791, now seen corresponding path program 1 times [2019-12-07 17:22:46,771 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:22:46,771 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492384295] [2019-12-07 17:22:46,771 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:22:46,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:22:46,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:22:46,804 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:22:46,838 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 17:22:46,839 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 17:22:46,839 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 17:22:46,839 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 17:22:46,839 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-12-07 17:22:46,839 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:22:46,839 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 17:22:46,839 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 17:22:46,840 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec7_productSimulator.cil.c_Iteration1_Loop [2019-12-07 17:22:46,840 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 17:22:46,840 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 17:22:46,860 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:22:46,868 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:22:46,872 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:22:46,875 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:22:46,937 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 17:22:46,938 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6f376d2e-1e11-42e8-99df-83c3380e9698/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:22:46,942 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 17:22:46,943 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6f376d2e-1e11-42e8-99df-83c3380e9698/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:22:47,072 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-12-07 17:22:47,073 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 17:22:47,079 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-12-07 17:22:47,081 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 17:22:47,081 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 17:22:47,081 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 17:22:47,082 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 17:22:47,082 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 17:22:47,082 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:22:47,082 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 17:22:47,082 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 17:22:47,082 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec7_productSimulator.cil.c_Iteration1_Loop [2019-12-07 17:22:47,082 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 17:22:47,083 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 17:22:47,089 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:22:47,094 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:22:47,099 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:22:47,101 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:22:47,148 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 17:22:47,151 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6f376d2e-1e11-42e8-99df-83c3380e9698/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:22:47,155 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:22:47,157 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:22:47,157 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:22:47,157 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:22:47,158 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:22:47,158 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:22:47,160 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:22:47,160 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:22:47,162 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 17:22:47,167 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-12-07 17:22:47,167 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_6f376d2e-1e11-42e8-99df-83c3380e9698/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:22:47,173 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 17:22:47,174 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-12-07 17:22:47,174 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 17:22:47,175 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op1~0) = -2*ULTIMATE.start_test_~op1~0 + 1 Supporting invariants [] [2019-12-07 17:22:47,179 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-12-07 17:22:47,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:22:47,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:22:47,322 INFO L264 TraceCheckSpWp]: Trace formula consists of 648 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 17:22:47,324 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:22:47,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:22:47,348 INFO L264 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 17:22:47,348 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:22:47,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:22:47,377 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-12-07 17:22:47,378 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 35220 states. Second operand 4 states. [2019-12-07 17:22:49,722 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 35220 states.. Second operand 4 states. Result 175471 states and 281120 transitions. Complement of second has 7 states. [2019-12-07 17:22:49,722 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-12-07 17:22:49,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-12-07 17:22:49,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 168612 transitions. [2019-12-07 17:22:49,856 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 168612 transitions. Stem has 27 letters. Loop has 7 letters. [2019-12-07 17:22:49,857 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:22:49,858 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 168612 transitions. Stem has 34 letters. Loop has 7 letters. [2019-12-07 17:22:49,858 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:22:49,858 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 168612 transitions. Stem has 27 letters. Loop has 14 letters. [2019-12-07 17:22:49,859 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:22:49,859 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 175471 states and 281120 transitions. [2019-12-07 17:22:50,502 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 435 [2019-12-07 17:22:50,514 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 175471 states to 990 states and 1812 transitions. [2019-12-07 17:22:50,515 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 501 [2019-12-07 17:22:50,516 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 502 [2019-12-07 17:22:50,516 INFO L73 IsDeterministic]: Start isDeterministic. Operand 990 states and 1812 transitions. [2019-12-07 17:22:50,518 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 17:22:50,518 INFO L688 BuchiCegarLoop]: Abstraction has 990 states and 1812 transitions. [2019-12-07 17:22:50,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 990 states and 1812 transitions. [2019-12-07 17:22:50,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 990 to 555. [2019-12-07 17:22:50,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 555 states. [2019-12-07 17:22:50,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 555 states and 1011 transitions. [2019-12-07 17:22:50,562 INFO L711 BuchiCegarLoop]: Abstraction has 555 states and 1011 transitions. [2019-12-07 17:22:50,562 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:22:50,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 17:22:50,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 17:22:50,566 INFO L87 Difference]: Start difference. First operand 555 states and 1011 transitions. Second operand 5 states. [2019-12-07 17:22:50,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:22:50,622 INFO L93 Difference]: Finished difference Result 558 states and 1013 transitions. [2019-12-07 17:22:50,623 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 17:22:50,623 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 558 states and 1013 transitions. [2019-12-07 17:22:50,625 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 218 [2019-12-07 17:22:50,629 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 558 states to 555 states and 1004 transitions. [2019-12-07 17:22:50,629 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 284 [2019-12-07 17:22:50,629 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 284 [2019-12-07 17:22:50,629 INFO L73 IsDeterministic]: Start isDeterministic. Operand 555 states and 1004 transitions. [2019-12-07 17:22:50,630 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 17:22:50,630 INFO L688 BuchiCegarLoop]: Abstraction has 555 states and 1004 transitions. [2019-12-07 17:22:50,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 555 states and 1004 transitions. [2019-12-07 17:22:50,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 555 to 555. [2019-12-07 17:22:50,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 555 states. [2019-12-07 17:22:50,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 555 states and 1004 transitions. [2019-12-07 17:22:50,641 INFO L711 BuchiCegarLoop]: Abstraction has 555 states and 1004 transitions. [2019-12-07 17:22:50,641 INFO L591 BuchiCegarLoop]: Abstraction has 555 states and 1004 transitions. [2019-12-07 17:22:50,641 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-12-07 17:22:50,641 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 555 states and 1004 transitions. [2019-12-07 17:22:50,642 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 218 [2019-12-07 17:22:50,642 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 17:22:50,642 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 17:22:50,643 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:22:50,643 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:22:50,644 INFO L794 eck$LassoCheckResult]: Stem: 212321#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(10);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(34);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(30);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(16);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(20);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(22);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(21);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(44);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(44);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(9);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(9);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(11);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(19);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string56.base, #t~string56.offset, 1);call write~init~int(100, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(10, #t~string56.base, 2 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 3 + #t~string56.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string59.base, #t~string59.offset, 1);call write~init~int(100, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(10, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 3 + #t~string59.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(10);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(12);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(10);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(18);call #t~string80.base, #t~string80.offset := #Ultimate.allocOnStack(16);call #t~string83.base, #t~string83.offset := #Ultimate.allocOnStack(21);call #t~string86.base, #t~string86.offset := #Ultimate.allocOnStack(13);call #t~string89.base, #t~string89.offset := #Ultimate.allocOnStack(16);call #t~string92.base, #t~string92.offset := #Ultimate.allocOnStack(25);call #t~string120.base, #t~string120.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string120.base, #t~string120.offset, 1);call write~init~int(115, #t~string120.base, 1 + #t~string120.offset, 1);call write~init~int(10, #t~string120.base, 2 + #t~string120.offset, 1);call write~init~int(0, #t~string120.base, 3 + #t~string120.offset, 1);call #t~string140.base, #t~string140.offset := #Ultimate.allocOnStack(30);call #t~string141.base, #t~string141.offset := #Ultimate.allocOnStack(9);call #t~string142.base, #t~string142.offset := #Ultimate.allocOnStack(21);call #t~string143.base, #t~string143.offset := #Ultimate.allocOnStack(30);call #t~string144.base, #t~string144.offset := #Ultimate.allocOnStack(9);call #t~string145.base, #t~string145.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(25);call #t~string152.base, #t~string152.offset := #Ultimate.allocOnStack(30);call #t~string153.base, #t~string153.offset := #Ultimate.allocOnStack(9);call #t~string154.base, #t~string154.offset := #Ultimate.allocOnStack(25);~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~__ste_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;~__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;~head~0.base, ~head~0.offset := 0, 0; 211951#L-1 havoc main_#res;havoc main_#t~ret51, main_~retValue_acc~16, main_~tmp~13;havoc main_~retValue_acc~16;havoc main_~tmp~13;~__GUIDSL_ROOT_PRODUCTION~0 := 1; 211952#L2990 havoc select_features_#t~ret112, select_features_#t~ret113, select_features_#t~ret114, select_features_#t~ret115, select_features_#t~ret116, select_features_#t~ret117, select_features_#t~ret118, select_features_#t~ret119;havoc select_one_#res;havoc select_one_#t~nondet111, select_one_~retValue_acc~39, select_one_~choice~0;havoc select_one_~retValue_acc~39;select_one_~choice~0 := select_one_#t~nondet111;havoc select_one_#t~nondet111;select_one_~retValue_acc~39 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~39; 212451#L2963 select_features_#t~ret112 := select_one_#res;~__SELECTED_FEATURE_Base~0 := select_features_#t~ret112;havoc select_features_#t~ret112;havoc select_one_#res;havoc select_one_#t~nondet111, select_one_~retValue_acc~39, select_one_~choice~0;havoc select_one_~retValue_acc~39;select_one_~choice~0 := select_one_#t~nondet111;havoc select_one_#t~nondet111;select_one_~retValue_acc~39 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~39; 212452#L2963-1 select_features_#t~ret113 := select_one_#res;~__SELECTED_FEATURE_Keys~0 := select_features_#t~ret113;havoc select_features_#t~ret113;havoc select_one_#res;havoc select_one_#t~nondet111, select_one_~retValue_acc~39, select_one_~choice~0;havoc select_one_~retValue_acc~39;select_one_~choice~0 := select_one_#t~nondet111;havoc select_one_#t~nondet111;select_one_~retValue_acc~39 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~39; 212454#L2963-2 select_features_#t~ret114 := select_one_#res;~__SELECTED_FEATURE_Encrypt~0 := select_features_#t~ret114;havoc select_features_#t~ret114;havoc select_one_#res;havoc select_one_#t~nondet111, select_one_~retValue_acc~39, select_one_~choice~0;havoc select_one_~retValue_acc~39;select_one_~choice~0 := select_one_#t~nondet111;havoc select_one_#t~nondet111;select_one_~retValue_acc~39 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~39; 212455#L2963-3 select_features_#t~ret115 := select_one_#res;~__SELECTED_FEATURE_AutoResponder~0 := select_features_#t~ret115;havoc select_features_#t~ret115;havoc select_one_#res;havoc select_one_#t~nondet111, select_one_~retValue_acc~39, select_one_~choice~0;havoc select_one_~retValue_acc~39;select_one_~choice~0 := select_one_#t~nondet111;havoc select_one_#t~nondet111;select_one_~retValue_acc~39 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~39; 212456#L2963-4 select_features_#t~ret116 := select_one_#res;~__SELECTED_FEATURE_AddressBook~0 := select_features_#t~ret116;havoc select_features_#t~ret116;havoc select_one_#res;havoc select_one_#t~nondet111, select_one_~retValue_acc~39, select_one_~choice~0;havoc select_one_~retValue_acc~39;select_one_~choice~0 := select_one_#t~nondet111;havoc select_one_#t~nondet111;select_one_~retValue_acc~39 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~39; 212444#L2963-5 select_features_#t~ret117 := select_one_#res;~__SELECTED_FEATURE_Sign~0 := select_features_#t~ret117;havoc select_features_#t~ret117;havoc select_one_#res;havoc select_one_#t~nondet111, select_one_~retValue_acc~39, select_one_~choice~0;havoc select_one_~retValue_acc~39;select_one_~choice~0 := select_one_#t~nondet111;havoc select_one_#t~nondet111;select_one_~retValue_acc~39 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~39; 212445#L2963-6 select_features_#t~ret118 := select_one_#res;~__SELECTED_FEATURE_Forward~0 := select_features_#t~ret118;havoc select_features_#t~ret118;~__SELECTED_FEATURE_Verify~0 := 1;havoc select_one_#res;havoc select_one_#t~nondet111, select_one_~retValue_acc~39, select_one_~choice~0;havoc select_one_~retValue_acc~39;select_one_~choice~0 := select_one_#t~nondet111;havoc select_one_#t~nondet111;select_one_~retValue_acc~39 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~39; 212450#L2963-7 select_features_#t~ret119 := select_one_#res;~__SELECTED_FEATURE_Decrypt~0 := select_features_#t~ret119;havoc select_features_#t~ret119; 212175#L2982 havoc valid_product_#res;havoc valid_product_~retValue_acc~40, valid_product_~tmp~24;havoc valid_product_~retValue_acc~40;havoc valid_product_~tmp~24; 212176#L2998 assume 0 == ~__SELECTED_FEATURE_Encrypt~0; 212439#L3002 assume 0 == ~__SELECTED_FEATURE_Decrypt~0; 212292#L3007 assume 0 == ~__SELECTED_FEATURE_Encrypt~0; 212337#L3012 assume 0 == ~__SELECTED_FEATURE_Sign~0; 212295#L3017 assume 0 == ~__SELECTED_FEATURE_Verify~0; 211984#L3022 assume 0 == ~__SELECTED_FEATURE_Sign~0; 212163#L3027 assume 0 != ~__SELECTED_FEATURE_Base~0;valid_product_~tmp~24 := 1; 212422#L3001-1 valid_product_~retValue_acc~40 := valid_product_~tmp~24;valid_product_#res := valid_product_~retValue_acc~40; 212474#L3058 main_#t~ret51 := valid_product_#res;main_~tmp~13 := main_#t~ret51;havoc main_#t~ret51; 212264#L1250 assume 0 != main_~tmp~13;havoc setup_#t~nondet46, setup_#t~nondet48, setup_#t~nondet50, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~2.base, setup_~__cil_tmp3~2.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_tmp3~2.base, setup_~__cil_tmp3~2.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; 212040#L1094 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; 212041#L2673-2 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 212160#L2679-5 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string45.base, #t~string45.offset;havoc setup_#t~nondet46;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0; 212164#L1132 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; 212202#L2673-6 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 212055#L2679-11 setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string47.base, #t~string47.offset;havoc setup_#t~nondet48;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0; 212124#L1170 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; 212238#L2673-10 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 212034#L2679-17 setup_~__cil_tmp3~2.base, setup_~__cil_tmp3~2.offset := #t~string49.base, #t~string49.offset;havoc setup_#t~nondet50; 212039#L1237 havoc test_#t~nondet100, test_#t~nondet101, test_#t~nondet102, test_#t~nondet103, test_#t~nondet104, test_#t~nondet105, test_#t~nondet106, test_#t~nondet107, test_#t~nondet108, test_#t~nondet109, test_#t~nondet110, 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~23, test_~tmp___0~9, test_~tmp___1~5, test_~tmp___2~4, test_~tmp___3~1, test_~tmp___4~1, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~23;havoc test_~tmp___0~9;havoc test_~tmp___1~5;havoc test_~tmp___2~4;havoc test_~tmp___3~1;havoc test_~tmp___4~1;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 212127#L2921-1 assume !false; 212242#L2730 [2019-12-07 17:22:50,644 INFO L796 eck$LassoCheckResult]: Loop: 212242#L2730 assume test_~splverifierCounter~0 < 4; 212270#L2731 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 212271#L2737 assume !(0 == test_~op1~0); 212419#L2754 assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet101;havoc test_#t~nondet101; 212446#L2759 assume 0 != test_~tmp___8~0; 212461#L2760 assume !(0 != ~__SELECTED_FEATURE_AutoResponder~0); 212288#L2760-1 test_~op2~0 := 1; 211960#L2921-1 assume !false; 212242#L2730 [2019-12-07 17:22:50,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:22:50,644 INFO L82 PathProgramCache]: Analyzing trace with hash 507241003, now seen corresponding path program 1 times [2019-12-07 17:22:50,644 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:22:50,645 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1863008535] [2019-12-07 17:22:50,645 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:22:50,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:22:50,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:22:50,708 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1863008535] [2019-12-07 17:22:50,708 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:22:50,708 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 17:22:50,708 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686126316] [2019-12-07 17:22:50,709 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-12-07 17:22:50,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:22:50,709 INFO L82 PathProgramCache]: Analyzing trace with hash 1422577527, now seen corresponding path program 1 times [2019-12-07 17:22:50,709 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:22:50,709 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224946325] [2019-12-07 17:22:50,710 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:22:50,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:22:50,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:22:50,730 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:22:50,757 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 17:22:50,757 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 17:22:50,757 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 17:22:50,757 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 17:22:50,757 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-12-07 17:22:50,757 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:22:50,758 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 17:22:50,758 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 17:22:50,758 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec7_productSimulator.cil.c_Iteration2_Loop [2019-12-07 17:22:50,758 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 17:22:50,758 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 17:22:50,759 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:22:50,764 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:22:50,766 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:22:50,769 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:22:50,774 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:22:50,836 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 17:22:50,836 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6f376d2e-1e11-42e8-99df-83c3380e9698/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:22:50,839 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 17:22:50,839 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6f376d2e-1e11-42e8-99df-83c3380e9698/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:22:50,846 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-12-07 17:22:50,846 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 17:22:50,849 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-12-07 17:22:50,851 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 17:22:50,851 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 17:22:50,851 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 17:22:50,852 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 17:22:50,852 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 17:22:50,852 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:22:50,852 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 17:22:50,852 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 17:22:50,852 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec7_productSimulator.cil.c_Iteration2_Loop [2019-12-07 17:22:50,852 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 17:22:50,852 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 17:22:50,854 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:22:50,859 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:22:50,861 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:22:50,864 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:22:50,868 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:22:50,925 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 17:22:50,925 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6f376d2e-1e11-42e8-99df-83c3380e9698/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:22:51,044 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:22:51,045 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:22:51,045 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:22:51,045 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:22:51,045 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:22:51,045 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:22:51,046 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:22:51,046 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:22:51,048 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 17:22:51,052 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-12-07 17:22:51,052 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_6f376d2e-1e11-42e8-99df-83c3380e9698/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:22:51,062 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 17:22:51,062 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-12-07 17:22:51,063 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 17:22:51,063 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op2~0) = -2*ULTIMATE.start_test_~op2~0 + 1 Supporting invariants [] [2019-12-07 17:22:51,065 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-12-07 17:22:51,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:22:51,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:22:51,198 INFO L264 TraceCheckSpWp]: Trace formula consists of 659 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 17:22:51,200 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:22:51,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:22:51,221 INFO L264 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 17:22:51,222 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:22:51,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:22:51,240 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2019-12-07 17:22:51,240 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 555 states and 1004 transitions. cyclomatic complexity: 451 Second operand 5 states. [2019-12-07 17:22:51,346 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 555 states and 1004 transitions. cyclomatic complexity: 451. Second operand 5 states. Result 2006 states and 3673 transitions. Complement of second has 6 states. [2019-12-07 17:22:51,347 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-12-07 17:22:51,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-12-07 17:22:51,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1089 transitions. [2019-12-07 17:22:51,348 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 1089 transitions. Stem has 33 letters. Loop has 8 letters. [2019-12-07 17:22:51,349 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:22:51,349 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 1089 transitions. Stem has 41 letters. Loop has 8 letters. [2019-12-07 17:22:51,349 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:22:51,349 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 1089 transitions. Stem has 33 letters. Loop has 16 letters. [2019-12-07 17:22:51,350 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:22:51,350 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2006 states and 3673 transitions. [2019-12-07 17:22:51,357 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 425 [2019-12-07 17:22:51,372 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2006 states to 1996 states and 3655 transitions. [2019-12-07 17:22:51,373 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 494 [2019-12-07 17:22:51,373 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 496 [2019-12-07 17:22:51,374 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1996 states and 3655 transitions. [2019-12-07 17:22:51,376 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 17:22:51,376 INFO L688 BuchiCegarLoop]: Abstraction has 1996 states and 3655 transitions. [2019-12-07 17:22:51,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1996 states and 3655 transitions. [2019-12-07 17:22:51,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1996 to 1039. [2019-12-07 17:22:51,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1039 states. [2019-12-07 17:22:51,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1039 states to 1039 states and 1894 transitions. [2019-12-07 17:22:51,399 INFO L711 BuchiCegarLoop]: Abstraction has 1039 states and 1894 transitions. [2019-12-07 17:22:51,399 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:22:51,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 17:22:51,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 17:22:51,400 INFO L87 Difference]: Start difference. First operand 1039 states and 1894 transitions. Second operand 3 states. [2019-12-07 17:22:51,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:22:51,484 INFO L93 Difference]: Finished difference Result 1039 states and 1893 transitions. [2019-12-07 17:22:51,484 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 17:22:51,484 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1039 states and 1893 transitions. [2019-12-07 17:22:51,487 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 213 [2019-12-07 17:22:51,496 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1039 states to 1039 states and 1893 transitions. [2019-12-07 17:22:51,496 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 281 [2019-12-07 17:22:51,496 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 281 [2019-12-07 17:22:51,496 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1039 states and 1893 transitions. [2019-12-07 17:22:51,497 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 17:22:51,497 INFO L688 BuchiCegarLoop]: Abstraction has 1039 states and 1893 transitions. [2019-12-07 17:22:51,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1039 states and 1893 transitions. [2019-12-07 17:22:51,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1039 to 1039. [2019-12-07 17:22:51,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1039 states. [2019-12-07 17:22:51,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1039 states to 1039 states and 1893 transitions. [2019-12-07 17:22:51,515 INFO L711 BuchiCegarLoop]: Abstraction has 1039 states and 1893 transitions. [2019-12-07 17:22:51,515 INFO L591 BuchiCegarLoop]: Abstraction has 1039 states and 1893 transitions. [2019-12-07 17:22:51,515 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-12-07 17:22:51,515 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1039 states and 1893 transitions. [2019-12-07 17:22:51,516 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 213 [2019-12-07 17:22:51,516 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 17:22:51,516 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 17:22:51,517 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:22:51,517 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:22:51,518 INFO L794 eck$LassoCheckResult]: Stem: 217108#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(10);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(34);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(30);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(16);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(20);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(22);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(21);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(44);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(44);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(9);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(9);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(11);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(19);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string56.base, #t~string56.offset, 1);call write~init~int(100, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(10, #t~string56.base, 2 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 3 + #t~string56.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string59.base, #t~string59.offset, 1);call write~init~int(100, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(10, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 3 + #t~string59.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(10);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(12);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(10);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(18);call #t~string80.base, #t~string80.offset := #Ultimate.allocOnStack(16);call #t~string83.base, #t~string83.offset := #Ultimate.allocOnStack(21);call #t~string86.base, #t~string86.offset := #Ultimate.allocOnStack(13);call #t~string89.base, #t~string89.offset := #Ultimate.allocOnStack(16);call #t~string92.base, #t~string92.offset := #Ultimate.allocOnStack(25);call #t~string120.base, #t~string120.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string120.base, #t~string120.offset, 1);call write~init~int(115, #t~string120.base, 1 + #t~string120.offset, 1);call write~init~int(10, #t~string120.base, 2 + #t~string120.offset, 1);call write~init~int(0, #t~string120.base, 3 + #t~string120.offset, 1);call #t~string140.base, #t~string140.offset := #Ultimate.allocOnStack(30);call #t~string141.base, #t~string141.offset := #Ultimate.allocOnStack(9);call #t~string142.base, #t~string142.offset := #Ultimate.allocOnStack(21);call #t~string143.base, #t~string143.offset := #Ultimate.allocOnStack(30);call #t~string144.base, #t~string144.offset := #Ultimate.allocOnStack(9);call #t~string145.base, #t~string145.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(25);call #t~string152.base, #t~string152.offset := #Ultimate.allocOnStack(30);call #t~string153.base, #t~string153.offset := #Ultimate.allocOnStack(9);call #t~string154.base, #t~string154.offset := #Ultimate.allocOnStack(25);~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~__ste_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;~__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;~head~0.base, ~head~0.offset := 0, 0; 216737#L-1 havoc main_#res;havoc main_#t~ret51, main_~retValue_acc~16, main_~tmp~13;havoc main_~retValue_acc~16;havoc main_~tmp~13;~__GUIDSL_ROOT_PRODUCTION~0 := 1; 216738#L2990 havoc select_features_#t~ret112, select_features_#t~ret113, select_features_#t~ret114, select_features_#t~ret115, select_features_#t~ret116, select_features_#t~ret117, select_features_#t~ret118, select_features_#t~ret119;havoc select_one_#res;havoc select_one_#t~nondet111, select_one_~retValue_acc~39, select_one_~choice~0;havoc select_one_~retValue_acc~39;select_one_~choice~0 := select_one_#t~nondet111;havoc select_one_#t~nondet111;select_one_~retValue_acc~39 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~39; 217242#L2963 select_features_#t~ret112 := select_one_#res;~__SELECTED_FEATURE_Base~0 := select_features_#t~ret112;havoc select_features_#t~ret112;havoc select_one_#res;havoc select_one_#t~nondet111, select_one_~retValue_acc~39, select_one_~choice~0;havoc select_one_~retValue_acc~39;select_one_~choice~0 := select_one_#t~nondet111;havoc select_one_#t~nondet111;select_one_~retValue_acc~39 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~39; 217243#L2963-1 select_features_#t~ret113 := select_one_#res;~__SELECTED_FEATURE_Keys~0 := select_features_#t~ret113;havoc select_features_#t~ret113;havoc select_one_#res;havoc select_one_#t~nondet111, select_one_~retValue_acc~39, select_one_~choice~0;havoc select_one_~retValue_acc~39;select_one_~choice~0 := select_one_#t~nondet111;havoc select_one_#t~nondet111;select_one_~retValue_acc~39 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~39; 217245#L2963-2 select_features_#t~ret114 := select_one_#res;~__SELECTED_FEATURE_Encrypt~0 := select_features_#t~ret114;havoc select_features_#t~ret114;havoc select_one_#res;havoc select_one_#t~nondet111, select_one_~retValue_acc~39, select_one_~choice~0;havoc select_one_~retValue_acc~39;select_one_~choice~0 := select_one_#t~nondet111;havoc select_one_#t~nondet111;select_one_~retValue_acc~39 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~39; 217247#L2963-3 select_features_#t~ret115 := select_one_#res;~__SELECTED_FEATURE_AutoResponder~0 := select_features_#t~ret115;havoc select_features_#t~ret115;havoc select_one_#res;havoc select_one_#t~nondet111, select_one_~retValue_acc~39, select_one_~choice~0;havoc select_one_~retValue_acc~39;select_one_~choice~0 := select_one_#t~nondet111;havoc select_one_#t~nondet111;select_one_~retValue_acc~39 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~39; 217248#L2963-4 select_features_#t~ret116 := select_one_#res;~__SELECTED_FEATURE_AddressBook~0 := select_features_#t~ret116;havoc select_features_#t~ret116;havoc select_one_#res;havoc select_one_#t~nondet111, select_one_~retValue_acc~39, select_one_~choice~0;havoc select_one_~retValue_acc~39;select_one_~choice~0 := select_one_#t~nondet111;havoc select_one_#t~nondet111;select_one_~retValue_acc~39 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~39; 217234#L2963-5 select_features_#t~ret117 := select_one_#res;~__SELECTED_FEATURE_Sign~0 := select_features_#t~ret117;havoc select_features_#t~ret117;havoc select_one_#res;havoc select_one_#t~nondet111, select_one_~retValue_acc~39, select_one_~choice~0;havoc select_one_~retValue_acc~39;select_one_~choice~0 := select_one_#t~nondet111;havoc select_one_#t~nondet111;select_one_~retValue_acc~39 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~39; 217235#L2963-6 select_features_#t~ret118 := select_one_#res;~__SELECTED_FEATURE_Forward~0 := select_features_#t~ret118;havoc select_features_#t~ret118;~__SELECTED_FEATURE_Verify~0 := 1;havoc select_one_#res;havoc select_one_#t~nondet111, select_one_~retValue_acc~39, select_one_~choice~0;havoc select_one_~retValue_acc~39;select_one_~choice~0 := select_one_#t~nondet111;havoc select_one_#t~nondet111;select_one_~retValue_acc~39 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~39; 217241#L2963-7 select_features_#t~ret119 := select_one_#res;~__SELECTED_FEATURE_Decrypt~0 := select_features_#t~ret119;havoc select_features_#t~ret119; 216961#L2982 havoc valid_product_#res;havoc valid_product_~retValue_acc~40, valid_product_~tmp~24;havoc valid_product_~retValue_acc~40;havoc valid_product_~tmp~24; 216962#L2998 assume 0 == ~__SELECTED_FEATURE_Encrypt~0; 217229#L3002 assume 0 == ~__SELECTED_FEATURE_Decrypt~0; 217079#L3007 assume 0 == ~__SELECTED_FEATURE_Encrypt~0; 217122#L3012 assume 0 == ~__SELECTED_FEATURE_Sign~0; 217082#L3017 assume !(0 == ~__SELECTED_FEATURE_Verify~0); 216769#L3021 assume 0 != ~__SELECTED_FEATURE_Sign~0; 216770#L3022 assume 0 == ~__SELECTED_FEATURE_Sign~0; 216949#L3027 assume 0 != ~__SELECTED_FEATURE_Base~0;valid_product_~tmp~24 := 1; 217210#L3001-1 valid_product_~retValue_acc~40 := valid_product_~tmp~24;valid_product_#res := valid_product_~retValue_acc~40; 217267#L3058 main_#t~ret51 := valid_product_#res;main_~tmp~13 := main_#t~ret51;havoc main_#t~ret51; 217052#L1250 assume 0 != main_~tmp~13;havoc setup_#t~nondet46, setup_#t~nondet48, setup_#t~nondet50, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~2.base, setup_~__cil_tmp3~2.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_tmp3~2.base, setup_~__cil_tmp3~2.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; 216826#L1094 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; 216827#L2673-2 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 216946#L2679-5 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string45.base, #t~string45.offset;havoc setup_#t~nondet46;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0; 216950#L1132 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; 216989#L2673-6 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 216841#L2679-11 setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string47.base, #t~string47.offset;havoc setup_#t~nondet48;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0; 216910#L1170 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; 217025#L2673-10 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 216820#L2679-17 setup_~__cil_tmp3~2.base, setup_~__cil_tmp3~2.offset := #t~string49.base, #t~string49.offset;havoc setup_#t~nondet50; 216825#L1237 havoc test_#t~nondet100, test_#t~nondet101, test_#t~nondet102, test_#t~nondet103, test_#t~nondet104, test_#t~nondet105, test_#t~nondet106, test_#t~nondet107, test_#t~nondet108, test_#t~nondet109, test_#t~nondet110, 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~23, test_~tmp___0~9, test_~tmp___1~5, test_~tmp___2~4, test_~tmp___3~1, test_~tmp___4~1, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~23;havoc test_~tmp___0~9;havoc test_~tmp___1~5;havoc test_~tmp___2~4;havoc test_~tmp___3~1;havoc test_~tmp___4~1;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 216913#L2921-1 assume !false; 217349#L2730 assume test_~splverifierCounter~0 < 4; 217058#L2731 [2019-12-07 17:22:51,518 INFO L796 eck$LassoCheckResult]: Loop: 217058#L2731 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 217059#L2737 assume !(0 == test_~op1~0); 217207#L2754 assume !(0 == test_~op2~0); 217237#L2772 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet102;havoc test_#t~nondet102; 217285#L2777 assume 0 != test_~tmp___7~0; 217039#L2778 assume !(0 != ~__SELECTED_FEATURE_Keys~0); 216964#L2778-1 test_~op3~0 := 1; 216746#L2921-1 assume !false; 217029#L2730 assume test_~splverifierCounter~0 < 4; 217058#L2731 [2019-12-07 17:22:51,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:22:51,518 INFO L82 PathProgramCache]: Analyzing trace with hash -274677724, now seen corresponding path program 1 times [2019-12-07 17:22:51,518 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:22:51,518 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872330485] [2019-12-07 17:22:51,519 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:22:51,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:22:51,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:22:51,569 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872330485] [2019-12-07 17:22:51,569 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:22:51,569 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 17:22:51,569 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718388144] [2019-12-07 17:22:51,570 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-12-07 17:22:51,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:22:51,570 INFO L82 PathProgramCache]: Analyzing trace with hash -986478044, now seen corresponding path program 1 times [2019-12-07 17:22:51,570 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:22:51,570 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064518628] [2019-12-07 17:22:51,570 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:22:51,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:22:51,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:22:51,583 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:22:51,607 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 17:22:51,607 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 17:22:51,607 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 17:22:51,607 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 17:22:51,607 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-12-07 17:22:51,608 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:22:51,608 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 17:22:51,608 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 17:22:51,608 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec7_productSimulator.cil.c_Iteration3_Loop [2019-12-07 17:22:51,608 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 17:22:51,608 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 17:22:51,609 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:22:51,611 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:22:51,616 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:22:51,618 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:22:51,622 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:22:51,624 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:22:51,691 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 17:22:51,691 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6f376d2e-1e11-42e8-99df-83c3380e9698/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:22:51,694 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 17:22:51,695 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 17:22:51,699 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 17:22:51,699 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_6f376d2e-1e11-42e8-99df-83c3380e9698/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:22:51,704 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 17:22:51,704 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 17:22:51,709 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 17:22:51,710 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_~tmp___7~0=-4, ULTIMATE.start_test_#t~nondet102=-4} Honda state: {ULTIMATE.start_test_~tmp___7~0=-4, ULTIMATE.start_test_#t~nondet102=-4} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6f376d2e-1e11-42e8-99df-83c3380e9698/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:22:51,714 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 17:22:51,715 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 17:22:51,719 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 17:22:51,719 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_~op1~0=7} Honda state: {ULTIMATE.start_test_~op1~0=7} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6f376d2e-1e11-42e8-99df-83c3380e9698/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:22:51,724 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 17:22:51,724 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6f376d2e-1e11-42e8-99df-83c3380e9698/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:22:51,732 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-12-07 17:22:51,732 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 17:22:51,791 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-12-07 17:22:51,792 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 17:22:51,792 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 17:22:51,792 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 17:22:51,793 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 17:22:51,793 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 17:22:51,793 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:22:51,793 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 17:22:51,793 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 17:22:51,793 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec7_productSimulator.cil.c_Iteration3_Loop [2019-12-07 17:22:51,793 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 17:22:51,793 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 17:22:51,794 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:22:51,796 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:22:51,800 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:22:51,802 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:22:51,806 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:22:51,808 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:22:51,870 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 17:22:51,870 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6f376d2e-1e11-42e8-99df-83c3380e9698/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:22:51,873 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:22:51,874 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:22:51,875 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:22:51,875 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:22:51,875 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:22:51,875 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:22:51,875 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:22:51,875 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:22:51,877 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6f376d2e-1e11-42e8-99df-83c3380e9698/bin/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:22:51,881 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:22:51,882 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:22:51,882 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:22:51,882 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:22:51,883 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 17:22:51,883 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:22:51,884 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 17:22:51,884 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:22:51,886 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6f376d2e-1e11-42e8-99df-83c3380e9698/bin/uautomizer/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:22:51,891 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:22:51,892 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:22:51,892 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:22:51,892 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:22:51,892 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 17:22:51,892 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:22:51,893 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 17:22:51,894 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:22:51,895 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6f376d2e-1e11-42e8-99df-83c3380e9698/bin/uautomizer/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:22:51,900 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:22:51,901 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:22:51,901 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:22:51,901 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:22:51,901 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:22:51,901 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:22:51,902 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:22:51,902 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:22:51,904 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 17:22:51,906 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-12-07 17:22:51,906 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_6f376d2e-1e11-42e8-99df-83c3380e9698/bin/uautomizer/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:22:51,909 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 17:22:51,909 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-12-07 17:22:51,910 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 17:22:51,910 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 5 Supporting invariants [] [2019-12-07 17:22:51,911 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-12-07 17:22:51,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:22:52,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:22:52,018 INFO L264 TraceCheckSpWp]: Trace formula consists of 660 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 17:22:52,020 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:22:52,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:22:52,039 INFO L264 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 17:22:52,040 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:22:52,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:22:52,047 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-12-07 17:22:52,047 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1039 states and 1893 transitions. cyclomatic complexity: 858 Second operand 3 states. [2019-12-07 17:22:52,100 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1039 states and 1893 transitions. cyclomatic complexity: 858. Second operand 3 states. Result 2228 states and 4084 transitions. Complement of second has 4 states. [2019-12-07 17:22:52,100 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-12-07 17:22:52,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-12-07 17:22:52,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 600 transitions. [2019-12-07 17:22:52,101 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 600 transitions. Stem has 35 letters. Loop has 9 letters. [2019-12-07 17:22:52,101 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:22:52,102 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 600 transitions. Stem has 44 letters. Loop has 9 letters. [2019-12-07 17:22:52,102 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:22:52,102 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 600 transitions. Stem has 35 letters. Loop has 18 letters. [2019-12-07 17:22:52,102 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:22:52,102 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2228 states and 4084 transitions. [2019-12-07 17:22:52,107 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 17:22:52,108 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2228 states to 0 states and 0 transitions. [2019-12-07 17:22:52,108 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-12-07 17:22:52,108 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-12-07 17:22:52,108 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-12-07 17:22:52,108 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 17:22:52,108 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 17:22:52,108 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 17:22:52,108 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:22:52,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 17:22:52,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 17:22:52,108 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2019-12-07 17:22:52,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:22:52,108 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2019-12-07 17:22:52,108 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 17:22:52,109 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2019-12-07 17:22:52,109 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 17:22:52,109 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 17:22:52,109 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-12-07 17:22:52,109 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-12-07 17:22:52,109 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-12-07 17:22:52,109 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 17:22:52,109 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 17:22:52,109 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 17:22:52,109 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 17:22:52,109 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-12-07 17:22:52,109 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-12-07 17:22:52,109 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 17:22:52,109 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-12-07 17:22:52,114 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 05:22:52 BoogieIcfgContainer [2019-12-07 17:22:52,114 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-12-07 17:22:52,114 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 17:22:52,114 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 17:22:52,114 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 17:22:52,115 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:22:45" (3/4) ... [2019-12-07 17:22:52,117 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 17:22:52,117 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 17:22:52,119 INFO L168 Benchmark]: Toolchain (without parser) took 43346.50 ms. Allocated memory was 1.0 GB in the beginning and 5.2 GB in the end (delta: 4.2 GB). Free memory was 937.1 MB in the beginning and 3.4 GB in the end (delta: -2.4 GB). Peak memory consumption was 1.7 GB. Max. memory is 11.5 GB. [2019-12-07 17:22:52,119 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:22:52,120 INFO L168 Benchmark]: CACSL2BoogieTranslator took 699.11 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.0 MB). Free memory was 937.1 MB in the beginning and 1.0 GB in the end (delta: -72.3 MB). Peak memory consumption was 37.5 MB. Max. memory is 11.5 GB. [2019-12-07 17:22:52,120 INFO L168 Benchmark]: Boogie Procedure Inliner took 1982.46 ms. Allocated memory was 1.1 GB in the beginning and 1.7 GB in the end (delta: 537.4 MB). Free memory was 1.0 GB in the beginning and 992.3 MB in the end (delta: 17.0 MB). Peak memory consumption was 554.4 MB. Max. memory is 11.5 GB. [2019-12-07 17:22:52,121 INFO L168 Benchmark]: Boogie Preprocessor took 1639.04 ms. Allocated memory was 1.7 GB in the beginning and 1.7 GB in the end (delta: 7.9 MB). Free memory was 992.3 MB in the beginning and 1.0 GB in the end (delta: -8.7 MB). Peak memory consumption was 496.1 MB. Max. memory is 11.5 GB. [2019-12-07 17:22:52,121 INFO L168 Benchmark]: RCFGBuilder took 32684.34 ms. Allocated memory was 1.7 GB in the beginning and 4.5 GB in the end (delta: 2.9 GB). Free memory was 1.0 GB in the beginning and 1.9 GB in the end (delta: -853.0 MB). Peak memory consumption was 2.7 GB. Max. memory is 11.5 GB. [2019-12-07 17:22:52,122 INFO L168 Benchmark]: BuchiAutomizer took 6335.11 ms. Allocated memory was 4.5 GB in the beginning and 5.2 GB in the end (delta: 655.9 MB). Free memory was 1.9 GB in the beginning and 3.4 GB in the end (delta: -1.5 GB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:22:52,122 INFO L168 Benchmark]: Witness Printer took 3.23 ms. Allocated memory is still 5.2 GB. Free memory is still 3.4 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:22:52,125 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 699.11 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.0 MB). Free memory was 937.1 MB in the beginning and 1.0 GB in the end (delta: -72.3 MB). Peak memory consumption was 37.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 1982.46 ms. Allocated memory was 1.1 GB in the beginning and 1.7 GB in the end (delta: 537.4 MB). Free memory was 1.0 GB in the beginning and 992.3 MB in the end (delta: 17.0 MB). Peak memory consumption was 554.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 1639.04 ms. Allocated memory was 1.7 GB in the beginning and 1.7 GB in the end (delta: 7.9 MB). Free memory was 992.3 MB in the beginning and 1.0 GB in the end (delta: -8.7 MB). Peak memory consumption was 496.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 32684.34 ms. Allocated memory was 1.7 GB in the beginning and 4.5 GB in the end (delta: 2.9 GB). Free memory was 1.0 GB in the beginning and 1.9 GB in the end (delta: -853.0 MB). Peak memory consumption was 2.7 GB. Max. memory is 11.5 GB. * BuchiAutomizer took 6335.11 ms. Allocated memory was 4.5 GB in the beginning and 5.2 GB in the end (delta: 655.9 MB). Free memory was 1.9 GB in the beginning and 3.4 GB in the end (delta: -1.5 GB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 3.23 ms. Allocated memory is still 5.2 GB. Free memory is still 3.4 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 6 terminating modules (3 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * op1 + 1 and consists of 5 locations. One deterministic module has affine ranking function -2 * op2 + 1 and consists of 4 locations. One deterministic module has affine ranking function -2 * splverifierCounter + 5 and consists of 3 locations. 3 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 6.3s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 1.4s. Construction of modules took 0.0s. Büchi inclusion checks took 3.1s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 4. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 1392 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.7s 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: 115491 SDtfs, 115480 SDslu, 172467 SDs, 0 SdLazy, 36 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT3 lasso0 LassoPreprocessingBenchmarks: Lassos: inital30 mio100 ax100 hnf100 lsp33 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq169 hnf94 smp100 dnf150 smp100 tf108 neg92 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 8ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 3 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...