./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/email_spec9_product12.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962be65c-e972-4f41-a545-ff882c8cc834/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962be65c-e972-4f41-a545-ff882c8cc834/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962be65c-e972-4f41-a545-ff882c8cc834/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962be65c-e972-4f41-a545-ff882c8cc834/bin/uautomizer-UnR33cPsHg/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/email_spec9_product12.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962be65c-e972-4f41-a545-ff882c8cc834/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962be65c-e972-4f41-a545-ff882c8cc834/bin/uautomizer-UnR33cPsHg --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 4d7925e6725ebc9ccc1628dac3a92336bad7d7149419f1b3b2e679ed4e3055d5 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 09:57:41,513 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:57:41,516 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:57:41,551 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:57:41,552 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:57:41,553 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:57:41,556 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:57:41,558 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:57:41,561 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:57:41,562 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:57:41,564 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:57:41,565 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:57:41,566 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:57:41,568 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:57:41,570 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:57:41,572 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:57:41,573 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:57:41,574 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:57:41,577 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:57:41,580 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:57:41,583 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:57:41,585 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:57:41,587 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:57:41,589 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:57:41,593 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:57:41,594 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:57:41,595 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:57:41,596 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:57:41,597 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:57:41,599 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:57:41,599 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:57:41,600 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:57:41,602 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:57:41,603 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:57:41,605 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:57:41,605 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:57:41,607 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:57:41,607 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:57:41,608 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:57:41,609 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:57:41,610 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:57:41,612 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962be65c-e972-4f41-a545-ff882c8cc834/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-28 09:57:41,644 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:57:41,644 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:57:41,645 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:57:41,645 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:57:41,647 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:57:41,647 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:57:41,648 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:57:41,648 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 09:57:41,649 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 09:57:41,649 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 09:57:41,649 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 09:57:41,650 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 09:57:41,650 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 09:57:41,651 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:57:41,651 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 09:57:41,651 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 09:57:41,652 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 09:57:41,652 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 09:57:41,652 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:57:41,653 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 09:57:41,653 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 09:57:41,654 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 09:57:41,654 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 09:57:41,654 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 09:57:41,655 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 09:57:41,655 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:57:41,655 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 09:57:41,656 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:57:41,656 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:57:41,657 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:57:41,657 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 09:57:41,657 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:57:41,659 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 09:57:41,659 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962be65c-e972-4f41-a545-ff882c8cc834/bin/uautomizer-UnR33cPsHg/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962be65c-e972-4f41-a545-ff882c8cc834/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d7925e6725ebc9ccc1628dac3a92336bad7d7149419f1b3b2e679ed4e3055d5 [2021-10-28 09:57:42,002 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:57:42,033 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:57:42,036 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:57:42,038 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:57:42,039 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:57:42,040 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962be65c-e972-4f41-a545-ff882c8cc834/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/product-lines/email_spec9_product12.cil.c [2021-10-28 09:57:42,130 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962be65c-e972-4f41-a545-ff882c8cc834/bin/uautomizer-UnR33cPsHg/data/21dddae97/5b8c89730a314f2587fc42216e0fff14/FLAGcdc0d6419 [2021-10-28 09:57:42,819 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:57:42,819 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962be65c-e972-4f41-a545-ff882c8cc834/sv-benchmarks/c/product-lines/email_spec9_product12.cil.c [2021-10-28 09:57:42,841 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962be65c-e972-4f41-a545-ff882c8cc834/bin/uautomizer-UnR33cPsHg/data/21dddae97/5b8c89730a314f2587fc42216e0fff14/FLAGcdc0d6419 [2021-10-28 09:57:43,015 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962be65c-e972-4f41-a545-ff882c8cc834/bin/uautomizer-UnR33cPsHg/data/21dddae97/5b8c89730a314f2587fc42216e0fff14 [2021-10-28 09:57:43,018 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:57:43,020 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 09:57:43,022 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:57:43,022 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:57:43,026 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:57:43,027 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:57:43" (1/1) ... [2021-10-28 09:57:43,028 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17a43b9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:57:43, skipping insertion in model container [2021-10-28 09:57:43,028 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:57:43" (1/1) ... [2021-10-28 09:57:43,036 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:57:43,096 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:57:43,583 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962be65c-e972-4f41-a545-ff882c8cc834/sv-benchmarks/c/product-lines/email_spec9_product12.cil.c[29763,29776] [2021-10-28 09:57:43,686 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:57:43,717 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 09:57:43,796 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962be65c-e972-4f41-a545-ff882c8cc834/sv-benchmarks/c/product-lines/email_spec9_product12.cil.c[29763,29776] [2021-10-28 09:57:43,834 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:57:43,873 INFO L208 MainTranslator]: Completed translation [2021-10-28 09:57:43,873 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:57:43 WrapperNode [2021-10-28 09:57:43,873 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:57:43,874 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 09:57:43,875 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 09:57:43,875 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 09:57:43,883 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:57:43" (1/1) ... [2021-10-28 09:57:43,936 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:57:43" (1/1) ... [2021-10-28 09:57:44,034 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 09:57:44,035 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 09:57:44,036 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 09:57:44,036 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 09:57:44,046 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:57:43" (1/1) ... [2021-10-28 09:57:44,046 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:57:43" (1/1) ... [2021-10-28 09:57:44,053 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:57:43" (1/1) ... [2021-10-28 09:57:44,053 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:57:43" (1/1) ... [2021-10-28 09:57:44,098 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:57:43" (1/1) ... [2021-10-28 09:57:44,127 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:57:43" (1/1) ... [2021-10-28 09:57:44,144 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:57:43" (1/1) ... [2021-10-28 09:57:44,162 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 09:57:44,163 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 09:57:44,164 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 09:57:44,164 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 09:57:44,165 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:57:43" (1/1) ... [2021-10-28 09:57:44,174 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:57:44,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962be65c-e972-4f41-a545-ff882c8cc834/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:57:44,199 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962be65c-e972-4f41-a545-ff882c8cc834/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:57:44,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962be65c-e972-4f41-a545-ff882c8cc834/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 09:57:44,255 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-10-28 09:57:44,256 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 09:57:44,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 09:57:44,256 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 09:57:44,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 09:57:46,546 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 09:57:46,547 INFO L299 CfgBuilder]: Removed 231 assume(true) statements. [2021-10-28 09:57:46,550 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:57:46 BoogieIcfgContainer [2021-10-28 09:57:46,551 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 09:57:46,554 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 09:57:46,555 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 09:57:46,559 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 09:57:46,560 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:57:46,561 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 09:57:43" (1/3) ... [2021-10-28 09:57:46,562 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6d7f027 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 09:57:46, skipping insertion in model container [2021-10-28 09:57:46,563 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:57:46,563 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:57:43" (2/3) ... [2021-10-28 09:57:46,564 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6d7f027 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 09:57:46, skipping insertion in model container [2021-10-28 09:57:46,564 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:57:46,565 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:57:46" (3/3) ... [2021-10-28 09:57:46,566 INFO L389 chiAutomizerObserver]: Analyzing ICFG email_spec9_product12.cil.c [2021-10-28 09:57:46,649 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 09:57:46,649 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 09:57:46,649 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 09:57:46,649 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 09:57:46,649 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 09:57:46,650 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 09:57:46,650 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 09:57:46,650 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 09:57:46,690 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 381 states, 380 states have (on average 1.7657894736842106) internal successors, (671), 380 states have internal predecessors, (671), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:57:46,765 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 208 [2021-10-28 09:57:46,767 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:57:46,767 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:57:46,780 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:57:46,781 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-10-28 09:57:46,781 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 09:57:46,783 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 381 states, 380 states have (on average 1.7657894736842106) internal successors, (671), 380 states have internal predecessors, (671), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:57:46,798 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 208 [2021-10-28 09:57:46,798 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:57:46,799 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:57:46,806 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:57:46,806 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-10-28 09:57:46,820 INFO L791 eck$LassoCheckResult]: Stem: 357#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(28);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(17);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(17);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(13);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(17);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string17.base, #t~string17.offset, 1);call write~init~int(115, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(10, #t~string17.base, 2 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 3 + #t~string17.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(10);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(16);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(20);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(44);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(44);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(9);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(9);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(11);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(19);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string55.base, #t~string55.offset, 1);call write~init~int(100, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(10, #t~string55.base, 2 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 3 + #t~string55.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string58.base, #t~string58.offset, 1);call write~init~int(100, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(10, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 3 + #t~string58.offset, 1);call #t~string83.base, #t~string83.offset := #Ultimate.allocOnStack(30);call #t~string84.base, #t~string84.offset := #Ultimate.allocOnStack(9);call #t~string85.base, #t~string85.offset := #Ultimate.allocOnStack(21);call #t~string86.base, #t~string86.offset := #Ultimate.allocOnStack(30);call #t~string87.base, #t~string87.offset := #Ultimate.allocOnStack(9);call #t~string88.base, #t~string88.offset := #Ultimate.allocOnStack(21);call #t~string92.base, #t~string92.offset := #Ultimate.allocOnStack(30);call #t~string93.base, #t~string93.offset := #Ultimate.allocOnStack(9);call #t~string94.base, #t~string94.offset := #Ultimate.allocOnStack(25);call #t~string95.base, #t~string95.offset := #Ultimate.allocOnStack(30);call #t~string96.base, #t~string96.offset := #Ultimate.allocOnStack(9);call #t~string97.base, #t~string97.offset := #Ultimate.allocOnStack(25);call #t~string101.base, #t~string101.offset := #Ultimate.allocOnStack(10);call #t~string104.base, #t~string104.offset := #Ultimate.allocOnStack(12);call #t~string107.base, #t~string107.offset := #Ultimate.allocOnStack(10);call #t~string110.base, #t~string110.offset := #Ultimate.allocOnStack(18);call #t~string113.base, #t~string113.offset := #Ultimate.allocOnStack(16);call #t~string116.base, #t~string116.offset := #Ultimate.allocOnStack(21);~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~in_encrypted~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;~head~0.base, ~head~0.offset := 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; 249#L-1true havoc main_#res;havoc main_#t~nondet49, main_#t~ret50, main_~retValue_acc~19, main_~tmp~8;main_~retValue_acc~19 := main_#t~nondet49;havoc main_#t~nondet49;havoc main_~tmp~8; 45#L148true havoc valid_product_#res;havoc valid_product_~retValue_acc~2;havoc valid_product_~retValue_acc~2;valid_product_~retValue_acc~2 := 1;valid_product_#res := valid_product_~retValue_acc~2; 181#L156true main_#t~ret50 := valid_product_#res;main_~tmp~8 := main_#t~ret50;havoc main_#t~ret50; 77#L968true assume 0 != main_~tmp~8;havoc setup_#t~nondet44, setup_#t~nondet46, setup_#t~nondet48, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset, setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset;havoc setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setup_bob__wrappee__Base_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__wrappee__Base_~bob___0;setup_bob__wrappee__Base_~bob___0 := setup_bob__wrappee__Base_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__wrappee__Base_~bob___0, setup_bob__wrappee__Base_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 96#L2623true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 345#L2629-2true setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_bob_~bob___0, 123;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 34#L2188true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 257#L2194-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string43.base, #t~string43.offset;havoc setup_#t~nondet44;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0;setup_rjh__wrappee__Base_#in~rjh___0 := setup_rjh_~rjh___0;havoc setup_rjh__wrappee__Base_~rjh___0;setup_rjh__wrappee__Base_~rjh___0 := setup_rjh__wrappee__Base_#in~rjh___0;setClientId_#in~handle, setClientId_#in~value := setup_rjh__wrappee__Base_~rjh___0, setup_rjh__wrappee__Base_~rjh___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 360#L2623-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 373#L2629-5true setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_rjh_~rjh___0, 456;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 265#L2188-2true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 62#L2194-5true setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset := #t~string45.base, #t~string45.offset;havoc setup_#t~nondet46;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0;setup_chuck__wrappee__Base_#in~chuck___0 := setup_chuck_~chuck___0;havoc setup_chuck__wrappee__Base_~chuck___0;setup_chuck__wrappee__Base_~chuck___0 := setup_chuck__wrappee__Base_#in~chuck___0;setClientId_#in~handle, setClientId_#in~value := setup_chuck__wrappee__Base_~chuck___0, setup_chuck__wrappee__Base_~chuck___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 3#L2623-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 102#L2629-8true setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_chuck_~chuck___0, 789;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 89#L2188-4true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 138#L2194-8true setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset := #t~string47.base, #t~string47.offset;havoc setup_#t~nondet48; 104#L955true havoc test_#t~nondet122, test_#t~nondet123, test_#t~nondet124, test_#t~nondet125, test_#t~nondet126, test_#t~nondet127, test_#t~nondet128, test_#t~nondet129, test_#t~nondet130, test_#t~nondet131, test_#t~nondet132, test_~op1~0, test_~op2~0, test_~op3~0, test_~op4~0, test_~op5~0, test_~op6~0, test_~op7~0, test_~op8~0, test_~op9~0, test_~op10~0, test_~op11~0, test_~splverifierCounter~0, test_~tmp~18, test_~tmp___0~6, test_~tmp___1~3, test_~tmp___2~2, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~18;havoc test_~tmp___0~6;havoc test_~tmp___1~3;havoc test_~tmp___2~2;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 198#L2822-1true [2021-10-28 09:57:46,820 INFO L793 eck$LassoCheckResult]: Loop: 198#L2822-1true assume !false; 72#L2680true assume test_~splverifierCounter~0 < 4; 123#L2681true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 261#L2687true assume !(0 == test_~op1~0); 125#L2700true assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet123;havoc test_#t~nondet123; 263#L2705true assume 0 != test_~tmp___8~0;test_~op2~0 := 1; 198#L2822-1true [2021-10-28 09:57:46,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:57:46,829 INFO L85 PathProgramCache]: Analyzing trace with hash 1291925977, now seen corresponding path program 1 times [2021-10-28 09:57:46,841 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:57:46,842 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945081669] [2021-10-28 09:57:46,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:57:46,843 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:57:47,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:57:47,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:57:47,261 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:57:47,261 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945081669] [2021-10-28 09:57:47,262 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [945081669] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:57:47,262 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:57:47,263 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:57:47,265 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658187105] [2021-10-28 09:57:47,270 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 09:57:47,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:57:47,271 INFO L85 PathProgramCache]: Analyzing trace with hash 590492675, now seen corresponding path program 1 times [2021-10-28 09:57:47,271 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:57:47,271 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704605118] [2021-10-28 09:57:47,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:57:47,272 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:57:47,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:57:47,286 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:57:47,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:57:47,332 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:57:47,406 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:57:47,407 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:57:47,407 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:57:47,407 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:57:47,407 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-28 09:57:47,407 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:57:47,408 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:57:47,408 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:57:47,408 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec9_product12.cil.c_Iteration1_Loop [2021-10-28 09:57:47,408 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:57:47,408 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:57:47,428 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:57:47,437 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:57:47,444 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:57:47,450 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:57:47,541 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:57:47,543 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-28 09:57:47,546 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:57:47,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962be65c-e972-4f41-a545-ff882c8cc834/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:57:47,552 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962be65c-e972-4f41-a545-ff882c8cc834/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:57:47,558 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:57:47,558 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:57:47,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962be65c-e972-4f41-a545-ff882c8cc834/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-28 09:57:47,622 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962be65c-e972-4f41-a545-ff882c8cc834/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-28 09:57:47,623 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:57:47,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962be65c-e972-4f41-a545-ff882c8cc834/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:57:47,625 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962be65c-e972-4f41-a545-ff882c8cc834/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:57:47,631 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-28 09:57:47,631 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:57:47,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962be65c-e972-4f41-a545-ff882c8cc834/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-28 09:57:47,661 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-28 09:57:47,698 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962be65c-e972-4f41-a545-ff882c8cc834/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-28 09:57:47,699 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:57:47,699 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:57:47,699 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:57:47,699 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:57:47,699 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 09:57:47,699 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:57:47,699 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:57:47,699 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:57:47,700 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec9_product12.cil.c_Iteration1_Loop [2021-10-28 09:57:47,700 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:57:47,700 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:57:47,701 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:57:47,710 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:57:47,717 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:57:47,724 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:57:47,813 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:57:47,819 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 09:57:47,824 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:57:47,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962be65c-e972-4f41-a545-ff882c8cc834/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:57:47,826 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962be65c-e972-4f41-a545-ff882c8cc834/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:57:47,832 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:57:47,843 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:57:47,843 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:57:47,844 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:57:47,844 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:57:47,844 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:57:47,848 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:57:47,848 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:57:47,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962be65c-e972-4f41-a545-ff882c8cc834/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-28 09:57:47,868 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 09:57:47,900 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-28 09:57:47,901 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-28 09:57:47,902 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:57:47,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962be65c-e972-4f41-a545-ff882c8cc834/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:57:47,916 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962be65c-e972-4f41-a545-ff882c8cc834/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:57:47,944 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 09:57:47,945 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-28 09:57:47,945 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 09:57:47,946 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op2~0) = -2*ULTIMATE.start_test_~op2~0 + 1 Supporting invariants [] [2021-10-28 09:57:47,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962be65c-e972-4f41-a545-ff882c8cc834/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-28 09:57:47,981 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962be65c-e972-4f41-a545-ff882c8cc834/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-28 09:57:47,983 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-28 09:57:48,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:57:48,175 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962be65c-e972-4f41-a545-ff882c8cc834/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-28 09:57:48,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:57:48,304 INFO L263 TraceCheckSpWp]: Trace formula consists of 628 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:57:48,310 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:57:48,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:57:48,434 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 09:57:48,435 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:57:48,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:57:48,540 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 [2021-10-28 09:57:48,545 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 381 states, 380 states have (on average 1.7657894736842106) internal successors, (671), 380 states have internal predecessors, (671), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:57:48,802 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 381 states, 380 states have (on average 1.7657894736842106) internal successors, (671), 380 states have internal predecessors, (671), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 1582 states and 2774 transitions. Complement of second has 7 states. [2021-10-28 09:57:48,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-28 09:57:48,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:57:48,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1534 transitions. [2021-10-28 09:57:48,809 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1534 transitions. Stem has 18 letters. Loop has 6 letters. [2021-10-28 09:57:48,811 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:57:48,811 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1534 transitions. Stem has 24 letters. Loop has 6 letters. [2021-10-28 09:57:48,812 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:57:48,812 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1534 transitions. Stem has 18 letters. Loop has 12 letters. [2021-10-28 09:57:48,812 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:57:48,813 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1582 states and 2774 transitions. [2021-10-28 09:57:48,848 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 415 [2021-10-28 09:57:48,865 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1582 states to 863 states and 1568 transitions. [2021-10-28 09:57:48,866 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 446 [2021-10-28 09:57:48,868 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 447 [2021-10-28 09:57:48,868 INFO L73 IsDeterministic]: Start isDeterministic. Operand 863 states and 1568 transitions. [2021-10-28 09:57:48,869 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:57:48,869 INFO L681 BuchiCegarLoop]: Abstraction has 863 states and 1568 transitions. [2021-10-28 09:57:48,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 863 states and 1568 transitions. [2021-10-28 09:57:48,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 863 to 448. [2021-10-28 09:57:48,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 448 states, 448 states have (on average 1.8102678571428572) internal successors, (811), 447 states have internal predecessors, (811), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:57:48,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 811 transitions. [2021-10-28 09:57:48,972 INFO L704 BuchiCegarLoop]: Abstraction has 448 states and 811 transitions. [2021-10-28 09:57:48,972 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:57:48,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:57:48,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:57:48,979 INFO L87 Difference]: Start difference. First operand 448 states and 811 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:57:49,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:57:49,052 INFO L93 Difference]: Finished difference Result 876 states and 1587 transitions. [2021-10-28 09:57:49,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:57:49,053 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 876 states and 1587 transitions. [2021-10-28 09:57:49,063 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 416 [2021-10-28 09:57:49,077 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 876 states to 876 states and 1587 transitions. [2021-10-28 09:57:49,078 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 458 [2021-10-28 09:57:49,079 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 458 [2021-10-28 09:57:49,080 INFO L73 IsDeterministic]: Start isDeterministic. Operand 876 states and 1587 transitions. [2021-10-28 09:57:49,080 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:57:49,080 INFO L681 BuchiCegarLoop]: Abstraction has 876 states and 1587 transitions. [2021-10-28 09:57:49,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 876 states and 1587 transitions. [2021-10-28 09:57:49,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 876 to 447. [2021-10-28 09:57:49,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 447 states, 447 states have (on average 1.8053691275167785) internal successors, (807), 446 states have internal predecessors, (807), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:57:49,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 447 states and 807 transitions. [2021-10-28 09:57:49,103 INFO L704 BuchiCegarLoop]: Abstraction has 447 states and 807 transitions. [2021-10-28 09:57:49,103 INFO L587 BuchiCegarLoop]: Abstraction has 447 states and 807 transitions. [2021-10-28 09:57:49,103 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-28 09:57:49,104 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 447 states and 807 transitions. [2021-10-28 09:57:49,108 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 208 [2021-10-28 09:57:49,108 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:57:49,108 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:57:49,110 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:57:49,110 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:57:49,110 INFO L791 eck$LassoCheckResult]: Stem: 3830#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(28);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(17);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(17);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(13);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(17);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string17.base, #t~string17.offset, 1);call write~init~int(115, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(10, #t~string17.base, 2 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 3 + #t~string17.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(10);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(16);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(20);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(44);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(44);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(9);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(9);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(11);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(19);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string55.base, #t~string55.offset, 1);call write~init~int(100, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(10, #t~string55.base, 2 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 3 + #t~string55.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string58.base, #t~string58.offset, 1);call write~init~int(100, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(10, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 3 + #t~string58.offset, 1);call #t~string83.base, #t~string83.offset := #Ultimate.allocOnStack(30);call #t~string84.base, #t~string84.offset := #Ultimate.allocOnStack(9);call #t~string85.base, #t~string85.offset := #Ultimate.allocOnStack(21);call #t~string86.base, #t~string86.offset := #Ultimate.allocOnStack(30);call #t~string87.base, #t~string87.offset := #Ultimate.allocOnStack(9);call #t~string88.base, #t~string88.offset := #Ultimate.allocOnStack(21);call #t~string92.base, #t~string92.offset := #Ultimate.allocOnStack(30);call #t~string93.base, #t~string93.offset := #Ultimate.allocOnStack(9);call #t~string94.base, #t~string94.offset := #Ultimate.allocOnStack(25);call #t~string95.base, #t~string95.offset := #Ultimate.allocOnStack(30);call #t~string96.base, #t~string96.offset := #Ultimate.allocOnStack(9);call #t~string97.base, #t~string97.offset := #Ultimate.allocOnStack(25);call #t~string101.base, #t~string101.offset := #Ultimate.allocOnStack(10);call #t~string104.base, #t~string104.offset := #Ultimate.allocOnStack(12);call #t~string107.base, #t~string107.offset := #Ultimate.allocOnStack(10);call #t~string110.base, #t~string110.offset := #Ultimate.allocOnStack(18);call #t~string113.base, #t~string113.offset := #Ultimate.allocOnStack(16);call #t~string116.base, #t~string116.offset := #Ultimate.allocOnStack(21);~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~in_encrypted~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;~head~0.base, ~head~0.offset := 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; 3788#L-1 havoc main_#res;havoc main_#t~nondet49, main_#t~ret50, main_~retValue_acc~19, main_~tmp~8;main_~retValue_acc~19 := main_#t~nondet49;havoc main_#t~nondet49;havoc main_~tmp~8; 3509#L148 havoc valid_product_#res;havoc valid_product_~retValue_acc~2;havoc valid_product_~retValue_acc~2;valid_product_~retValue_acc~2 := 1;valid_product_#res := valid_product_~retValue_acc~2; 3510#L156 main_#t~ret50 := valid_product_#res;main_~tmp~8 := main_#t~ret50;havoc main_#t~ret50; 3574#L968 assume 0 != main_~tmp~8;havoc setup_#t~nondet44, setup_#t~nondet46, setup_#t~nondet48, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset, setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset;havoc setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setup_bob__wrappee__Base_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__wrappee__Base_~bob___0;setup_bob__wrappee__Base_~bob___0 := setup_bob__wrappee__Base_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__wrappee__Base_~bob___0, setup_bob__wrappee__Base_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 3575#L2623 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 3603#L2629-2 setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_bob_~bob___0, 123;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 3472#L2188 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 3422#L2194-2 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string43.base, #t~string43.offset;havoc setup_#t~nondet44;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0;setup_rjh__wrappee__Base_#in~rjh___0 := setup_rjh_~rjh___0;havoc setup_rjh__wrappee__Base_~rjh___0;setup_rjh__wrappee__Base_~rjh___0 := setup_rjh__wrappee__Base_#in~rjh___0;setClientId_#in~handle, setClientId_#in~value := setup_rjh__wrappee__Base_~rjh___0, setup_rjh__wrappee__Base_~rjh___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 3795#L2623-2 assume !(1 == setClientId_~handle); 3784#L2626-2 assume 2 == setClientId_~handle;~__ste_client_idCounter1~0 := setClientId_~value; 3785#L2629-5 setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_rjh_~rjh___0, 456;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 3803#L2188-2 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 3543#L2194-5 setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset := #t~string45.base, #t~string45.offset;havoc setup_#t~nondet46;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0;setup_chuck__wrappee__Base_#in~chuck___0 := setup_chuck_~chuck___0;havoc setup_chuck__wrappee__Base_~chuck___0;setup_chuck__wrappee__Base_~chuck___0 := setup_chuck__wrappee__Base_#in~chuck___0;setClientId_#in~handle, setClientId_#in~value := setup_chuck__wrappee__Base_~chuck___0, setup_chuck__wrappee__Base_~chuck___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 3386#L2623-4 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 3387#L2629-8 setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_chuck_~chuck___0, 789;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 3588#L2188-4 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 3589#L2194-8 setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset := #t~string47.base, #t~string47.offset;havoc setup_#t~nondet48; 3622#L955 havoc test_#t~nondet122, test_#t~nondet123, test_#t~nondet124, test_#t~nondet125, test_#t~nondet126, test_#t~nondet127, test_#t~nondet128, test_#t~nondet129, test_#t~nondet130, test_#t~nondet131, test_#t~nondet132, test_~op1~0, test_~op2~0, test_~op3~0, test_~op4~0, test_~op5~0, test_~op6~0, test_~op7~0, test_~op8~0, test_~op9~0, test_~op10~0, test_~op11~0, test_~splverifierCounter~0, test_~tmp~18, test_~tmp___0~6, test_~tmp___1~3, test_~tmp___2~2, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~18;havoc test_~tmp___0~6;havoc test_~tmp___1~3;havoc test_~tmp___2~2;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 3623#L2822-1 assume !false; 3560#L2680 [2021-10-28 09:57:49,110 INFO L793 eck$LassoCheckResult]: Loop: 3560#L2680 assume test_~splverifierCounter~0 < 4; 3561#L2681 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 3665#L2687 assume !(0 == test_~op1~0); 3640#L2700 assume !(0 == test_~op2~0); 3667#L2711 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet124;havoc test_#t~nondet124; 3772#L2716 assume 0 != test_~tmp___7~0;setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := ~rjh~0, 0;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 3762#L2188-6 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 3435#L2194-11 test_~op3~0 := 1; 3597#L2822-1 assume !false; 3560#L2680 [2021-10-28 09:57:49,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:57:49,111 INFO L85 PathProgramCache]: Analyzing trace with hash -953559564, now seen corresponding path program 1 times [2021-10-28 09:57:49,111 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:57:49,111 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057183124] [2021-10-28 09:57:49,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:57:49,112 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:57:49,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:57:49,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:57:49,303 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:57:49,304 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2057183124] [2021-10-28 09:57:49,304 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2057183124] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:57:49,305 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:57:49,305 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 09:57:49,305 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128922244] [2021-10-28 09:57:49,305 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 09:57:49,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:57:49,307 INFO L85 PathProgramCache]: Analyzing trace with hash -1296812605, now seen corresponding path program 1 times [2021-10-28 09:57:49,307 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:57:49,307 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572781722] [2021-10-28 09:57:49,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:57:49,307 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:57:49,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:57:49,325 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:57:49,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:57:49,361 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:57:49,500 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:57:49,500 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:57:49,501 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:57:49,501 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:57:49,501 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-28 09:57:49,501 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:57:49,501 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:57:49,501 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:57:49,501 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec9_product12.cil.c_Iteration2_Loop [2021-10-28 09:57:49,502 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:57:49,502 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:57:49,504 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:57:49,513 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:57:49,525 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:57:49,529 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:57:49,539 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:57:49,549 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:57:49,552 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:57:49,701 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:57:49,701 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-28 09:57:49,701 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:57:49,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962be65c-e972-4f41-a545-ff882c8cc834/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:57:49,703 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962be65c-e972-4f41-a545-ff882c8cc834/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:57:49,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962be65c-e972-4f41-a545-ff882c8cc834/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-28 09:57:49,715 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:57:49,715 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:57:49,737 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:57:49,737 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_#t~nondet124=-8, ULTIMATE.start_test_~tmp___7~0=-8} Honda state: {ULTIMATE.start_test_#t~nondet124=-8, ULTIMATE.start_test_~tmp___7~0=-8} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 09:57:49,779 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962be65c-e972-4f41-a545-ff882c8cc834/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-28 09:57:49,780 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:57:49,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962be65c-e972-4f41-a545-ff882c8cc834/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:57:49,781 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962be65c-e972-4f41-a545-ff882c8cc834/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:57:49,795 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:57:49,795 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:57:49,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962be65c-e972-4f41-a545-ff882c8cc834/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-28 09:57:49,924 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962be65c-e972-4f41-a545-ff882c8cc834/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-28 09:57:49,924 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:57:49,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962be65c-e972-4f41-a545-ff882c8cc834/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:57:49,932 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962be65c-e972-4f41-a545-ff882c8cc834/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:57:49,951 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-28 09:57:49,951 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:57:49,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962be65c-e972-4f41-a545-ff882c8cc834/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-28 09:57:50,038 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-28 09:57:50,046 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962be65c-e972-4f41-a545-ff882c8cc834/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-28 09:57:50,046 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:57:50,046 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:57:50,047 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:57:50,047 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:57:50,047 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 09:57:50,047 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:57:50,047 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:57:50,047 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:57:50,047 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec9_product12.cil.c_Iteration2_Loop [2021-10-28 09:57:50,047 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:57:50,047 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:57:50,049 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:57:50,064 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:57:50,070 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:57:50,079 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:57:50,082 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:57:50,090 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:57:50,094 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:57:50,220 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:57:50,220 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 09:57:50,220 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:57:50,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962be65c-e972-4f41-a545-ff882c8cc834/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:57:50,225 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962be65c-e972-4f41-a545-ff882c8cc834/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:57:50,272 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:57:50,281 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:57:50,281 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:57:50,281 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:57:50,282 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-28 09:57:50,282 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:57:50,284 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 09:57:50,285 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:57:50,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962be65c-e972-4f41-a545-ff882c8cc834/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-28 09:57:50,296 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:57:50,318 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962be65c-e972-4f41-a545-ff882c8cc834/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2021-10-28 09:57:50,319 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:57:50,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962be65c-e972-4f41-a545-ff882c8cc834/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:57:50,320 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962be65c-e972-4f41-a545-ff882c8cc834/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:57:50,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962be65c-e972-4f41-a545-ff882c8cc834/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-28 09:57:50,322 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:57:50,329 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:57:50,329 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:57:50,329 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:57:50,329 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:57:50,329 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:57:50,330 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:57:50,331 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:57:50,342 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 09:57:50,345 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-28 09:57:50,345 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-28 09:57:50,346 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:57:50,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962be65c-e972-4f41-a545-ff882c8cc834/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:57:50,350 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962be65c-e972-4f41-a545-ff882c8cc834/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:57:50,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962be65c-e972-4f41-a545-ff882c8cc834/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-28 09:57:50,352 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 09:57:50,352 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-28 09:57:50,352 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 09:57:50,352 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 7 Supporting invariants [] [2021-10-28 09:57:50,376 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962be65c-e972-4f41-a545-ff882c8cc834/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-28 09:57:50,376 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-28 09:57:50,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:57:50,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:57:50,532 INFO L263 TraceCheckSpWp]: Trace formula consists of 630 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:57:50,534 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:57:50,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:57:50,639 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 09:57:50,640 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:57:50,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:57:50,780 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 [2021-10-28 09:57:50,780 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 447 states and 807 transitions. cyclomatic complexity: 362 Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:57:50,820 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 447 states and 807 transitions. cyclomatic complexity: 362. Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 867 states and 1573 transitions. Complement of second has 6 states. [2021-10-28 09:57:50,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-28 09:57:50,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:57:50,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 426 transitions. [2021-10-28 09:57:50,822 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 426 transitions. Stem has 20 letters. Loop has 9 letters. [2021-10-28 09:57:50,823 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:57:50,823 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 426 transitions. Stem has 29 letters. Loop has 9 letters. [2021-10-28 09:57:50,824 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:57:50,824 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 426 transitions. Stem has 20 letters. Loop has 18 letters. [2021-10-28 09:57:50,825 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:57:50,825 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 867 states and 1573 transitions. [2021-10-28 09:57:50,837 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 09:57:50,837 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 867 states to 0 states and 0 transitions. [2021-10-28 09:57:50,837 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-28 09:57:50,837 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-28 09:57:50,838 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-28 09:57:50,838 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:57:50,838 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:57:50,838 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:57:50,838 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:57:50,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 09:57:50,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:57:50,840 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:57:50,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:57:50,840 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2021-10-28 09:57:50,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-28 09:57:50,840 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2021-10-28 09:57:50,841 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 09:57:50,841 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 09:57:50,841 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-28 09:57:50,841 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-28 09:57:50,841 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-28 09:57:50,842 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:57:50,842 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:57:50,842 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:57:50,842 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:57:50,842 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-28 09:57:50,842 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-28 09:57:50,843 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 09:57:50,843 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-28 09:57:50,850 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 09:57:50 BoogieIcfgContainer [2021-10-28 09:57:50,851 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 09:57:50,851 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 09:57:50,851 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 09:57:50,852 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 09:57:50,853 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:57:46" (3/4) ... [2021-10-28 09:57:50,856 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 09:57:50,857 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 09:57:50,859 INFO L168 Benchmark]: Toolchain (without parser) took 7837.78 ms. Allocated memory was 96.5 MB in the beginning and 142.6 MB in the end (delta: 46.1 MB). Free memory was 58.5 MB in the beginning and 58.1 MB in the end (delta: 389.8 kB). Peak memory consumption was 45.9 MB. Max. memory is 16.1 GB. [2021-10-28 09:57:50,860 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 96.5 MB. Free memory was 68.7 MB in the beginning and 68.7 MB in the end (delta: 21.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:57:50,861 INFO L168 Benchmark]: CACSL2BoogieTranslator took 852.23 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 58.2 MB in the beginning and 65.6 MB in the end (delta: -7.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-28 09:57:50,862 INFO L168 Benchmark]: Boogie Procedure Inliner took 160.19 ms. Allocated memory is still 117.4 MB. Free memory was 65.6 MB in the beginning and 57.9 MB in the end (delta: 7.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-28 09:57:50,863 INFO L168 Benchmark]: Boogie Preprocessor took 127.16 ms. Allocated memory is still 117.4 MB. Free memory was 57.9 MB in the beginning and 52.3 MB in the end (delta: 5.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-28 09:57:50,864 INFO L168 Benchmark]: RCFGBuilder took 2387.66 ms. Allocated memory is still 117.4 MB. Free memory was 52.3 MB in the beginning and 41.3 MB in the end (delta: 11.0 MB). Peak memory consumption was 29.6 MB. Max. memory is 16.1 GB. [2021-10-28 09:57:50,865 INFO L168 Benchmark]: BuchiAutomizer took 4296.25 ms. Allocated memory was 117.4 MB in the beginning and 142.6 MB in the end (delta: 25.2 MB). Free memory was 41.3 MB in the beginning and 58.1 MB in the end (delta: -16.8 MB). Peak memory consumption was 7.9 MB. Max. memory is 16.1 GB. [2021-10-28 09:57:50,866 INFO L168 Benchmark]: Witness Printer took 5.60 ms. Allocated memory is still 142.6 MB. Free memory is still 58.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:57:50,870 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 96.5 MB. Free memory was 68.7 MB in the beginning and 68.7 MB in the end (delta: 21.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 852.23 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 58.2 MB in the beginning and 65.6 MB in the end (delta: -7.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 160.19 ms. Allocated memory is still 117.4 MB. Free memory was 65.6 MB in the beginning and 57.9 MB in the end (delta: 7.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 127.16 ms. Allocated memory is still 117.4 MB. Free memory was 57.9 MB in the beginning and 52.3 MB in the end (delta: 5.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2387.66 ms. Allocated memory is still 117.4 MB. Free memory was 52.3 MB in the beginning and 41.3 MB in the end (delta: 11.0 MB). Peak memory consumption was 29.6 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 4296.25 ms. Allocated memory was 117.4 MB in the beginning and 142.6 MB in the end (delta: 25.2 MB). Free memory was 41.3 MB in the beginning and 58.1 MB in the end (delta: -16.8 MB). Peak memory consumption was 7.9 MB. Max. memory is 16.1 GB. * Witness Printer took 5.60 ms. Allocated memory is still 142.6 MB. Free memory is still 58.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (2 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * op2 + 1 and consists of 5 locations. One deterministic module has affine ranking function 7 + -2 * splverifierCounter and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.2s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.4s. Construction of modules took 0.0s. Büchi inclusion checks took 1.3s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 2. Automata minimization 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 844 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 447 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 2524 SDtfs, 2112 SDslu, 2999 SDs, 0 SdLazy, 26 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT2 lasso0 LassoPreprocessingBenchmarks: Lassos: inital38 mio100 ax100 hnf100 lsp29 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq189 hnf90 smp100 dnf134 smp100 tf108 neg92 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 75ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.4s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-28 09:57:50,925 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962be65c-e972-4f41-a545-ff882c8cc834/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-28 09:57:51,148 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962be65c-e972-4f41-a545-ff882c8cc834/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...