./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/email_spec1_product34.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 57096758 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2659f626-c856-445a-81a1-a0345ef925a7/bin/uautomizer-hJ6jxDFKc3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2659f626-c856-445a-81a1-a0345ef925a7/bin/uautomizer-hJ6jxDFKc3/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2659f626-c856-445a-81a1-a0345ef925a7/bin/uautomizer-hJ6jxDFKc3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2659f626-c856-445a-81a1-a0345ef925a7/bin/uautomizer-hJ6jxDFKc3/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/email_spec1_product34.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2659f626-c856-445a-81a1-a0345ef925a7/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2659f626-c856-445a-81a1-a0345ef925a7/bin/uautomizer-hJ6jxDFKc3 --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 5068ac1ca4b6fa33b3c7a46d1775d961c947bd92 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-5709675 [2021-10-15 19:08:37,667 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-15 19:08:37,669 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-15 19:08:37,705 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-15 19:08:37,711 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-15 19:08:37,713 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-15 19:08:37,716 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-15 19:08:37,722 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-15 19:08:37,726 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-15 19:08:37,728 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-15 19:08:37,729 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-15 19:08:37,732 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-15 19:08:37,733 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-15 19:08:37,741 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-15 19:08:37,744 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-15 19:08:37,746 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-15 19:08:37,749 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-15 19:08:37,752 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-15 19:08:37,755 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-15 19:08:37,760 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-15 19:08:37,766 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-15 19:08:37,769 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-15 19:08:37,771 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-15 19:08:37,773 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-15 19:08:37,777 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-15 19:08:37,780 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-15 19:08:37,780 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-15 19:08:37,782 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-15 19:08:37,783 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-15 19:08:37,785 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-15 19:08:37,786 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-15 19:08:37,787 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-15 19:08:37,789 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-15 19:08:37,790 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-15 19:08:37,792 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-15 19:08:37,792 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-15 19:08:37,793 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-15 19:08:37,793 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-15 19:08:37,794 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-15 19:08:37,795 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-15 19:08:37,795 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-15 19:08:37,796 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2659f626-c856-445a-81a1-a0345ef925a7/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-15 19:08:37,842 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-15 19:08:37,848 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-15 19:08:37,849 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-15 19:08:37,849 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-15 19:08:37,851 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-15 19:08:37,851 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-15 19:08:37,851 INFO L138 SettingsManager]: * Use SBE=true [2021-10-15 19:08:37,851 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-15 19:08:37,852 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-15 19:08:37,852 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-15 19:08:37,853 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-15 19:08:37,853 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-15 19:08:37,853 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-15 19:08:37,854 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-15 19:08:37,854 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-15 19:08:37,854 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-15 19:08:37,854 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-15 19:08:37,855 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-15 19:08:37,855 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-15 19:08:37,855 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-15 19:08:37,855 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-15 19:08:37,855 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-15 19:08:37,856 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-15 19:08:37,856 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-15 19:08:37,856 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-15 19:08:37,856 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-15 19:08:37,858 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-15 19:08:37,858 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-15 19:08:37,858 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-15 19:08:37,859 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-15 19:08:37,859 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-15 19:08:37,859 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-15 19:08:37,860 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-15 19:08:37,861 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_2659f626-c856-445a-81a1-a0345ef925a7/bin/uautomizer-hJ6jxDFKc3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2659f626-c856-445a-81a1-a0345ef925a7/bin/uautomizer-hJ6jxDFKc3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5068ac1ca4b6fa33b3c7a46d1775d961c947bd92 [2021-10-15 19:08:38,139 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-15 19:08:38,172 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-15 19:08:38,174 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-15 19:08:38,176 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-15 19:08:38,177 INFO L275 PluginConnector]: CDTParser initialized [2021-10-15 19:08:38,178 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2659f626-c856-445a-81a1-a0345ef925a7/bin/uautomizer-hJ6jxDFKc3/../../sv-benchmarks/c/product-lines/email_spec1_product34.cil.c [2021-10-15 19:08:38,269 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2659f626-c856-445a-81a1-a0345ef925a7/bin/uautomizer-hJ6jxDFKc3/data/44b527aba/76ae995128624b368fcae4a3a71aab43/FLAGef52ab715 [2021-10-15 19:08:38,854 INFO L306 CDTParser]: Found 1 translation units. [2021-10-15 19:08:38,854 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2659f626-c856-445a-81a1-a0345ef925a7/sv-benchmarks/c/product-lines/email_spec1_product34.cil.c [2021-10-15 19:08:38,888 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2659f626-c856-445a-81a1-a0345ef925a7/bin/uautomizer-hJ6jxDFKc3/data/44b527aba/76ae995128624b368fcae4a3a71aab43/FLAGef52ab715 [2021-10-15 19:08:39,086 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2659f626-c856-445a-81a1-a0345ef925a7/bin/uautomizer-hJ6jxDFKc3/data/44b527aba/76ae995128624b368fcae4a3a71aab43 [2021-10-15 19:08:39,088 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-15 19:08:39,090 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-15 19:08:39,092 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-15 19:08:39,092 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-15 19:08:39,096 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-15 19:08:39,097 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:08:39" (1/1) ... [2021-10-15 19:08:39,098 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55bb50ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:08:39, skipping insertion in model container [2021-10-15 19:08:39,098 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:08:39" (1/1) ... [2021-10-15 19:08:39,106 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-15 19:08:39,174 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-15 19:08:39,387 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_2659f626-c856-445a-81a1-a0345ef925a7/sv-benchmarks/c/product-lines/email_spec1_product34.cil.c[2480,2493] [2021-10-15 19:08:39,716 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:08:39,728 INFO L203 MainTranslator]: Completed pre-run [2021-10-15 19:08:39,743 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_2659f626-c856-445a-81a1-a0345ef925a7/sv-benchmarks/c/product-lines/email_spec1_product34.cil.c[2480,2493] [2021-10-15 19:08:39,856 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:08:39,897 INFO L208 MainTranslator]: Completed translation [2021-10-15 19:08:39,897 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:08:39 WrapperNode [2021-10-15 19:08:39,897 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-15 19:08:39,899 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-15 19:08:39,899 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-15 19:08:39,899 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-15 19:08:39,905 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:08:39" (1/1) ... [2021-10-15 19:08:39,940 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:08:39" (1/1) ... [2021-10-15 19:08:40,153 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-15 19:08:40,154 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-15 19:08:40,154 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-15 19:08:40,154 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-15 19:08:40,163 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:08:39" (1/1) ... [2021-10-15 19:08:40,163 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:08:39" (1/1) ... [2021-10-15 19:08:40,210 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:08:39" (1/1) ... [2021-10-15 19:08:40,211 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:08:39" (1/1) ... [2021-10-15 19:08:40,293 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:08:39" (1/1) ... [2021-10-15 19:08:40,334 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:08:39" (1/1) ... [2021-10-15 19:08:40,352 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:08:39" (1/1) ... [2021-10-15 19:08:40,379 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-15 19:08:40,381 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-15 19:08:40,382 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-15 19:08:40,382 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-15 19:08:40,385 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:08:39" (1/1) ... [2021-10-15 19:08:40,395 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:08:40,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2659f626-c856-445a-81a1-a0345ef925a7/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:08:40,422 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2659f626-c856-445a-81a1-a0345ef925a7/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:08:40,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2659f626-c856-445a-81a1-a0345ef925a7/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-15 19:08:40,473 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-10-15 19:08:40,473 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-15 19:08:40,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-15 19:08:40,473 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-15 19:08:40,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-15 19:08:43,832 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-15 19:08:43,832 INFO L299 CfgBuilder]: Removed 849 assume(true) statements. [2021-10-15 19:08:43,837 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:08:43 BoogieIcfgContainer [2021-10-15 19:08:43,837 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-15 19:08:43,838 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-15 19:08:43,838 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-15 19:08:43,842 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-15 19:08:43,843 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-15 19:08:43,843 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 15.10 07:08:39" (1/3) ... [2021-10-15 19:08:43,845 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@158dcf3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.10 07:08:43, skipping insertion in model container [2021-10-15 19:08:43,845 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-15 19:08:43,845 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:08:39" (2/3) ... [2021-10-15 19:08:43,846 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@158dcf3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.10 07:08:43, skipping insertion in model container [2021-10-15 19:08:43,846 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-15 19:08:43,846 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:08:43" (3/3) ... [2021-10-15 19:08:43,848 INFO L389 chiAutomizerObserver]: Analyzing ICFG email_spec1_product34.cil.c [2021-10-15 19:08:43,903 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-15 19:08:43,903 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-15 19:08:43,903 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-15 19:08:43,903 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-15 19:08:43,903 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-15 19:08:43,903 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-15 19:08:43,903 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-15 19:08:43,904 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-15 19:08:43,948 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 1254 states, 1253 states have (on average 1.7206703910614525) internal successors, (2156), 1253 states have internal predecessors, (2156), 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) [2021-10-15 19:08:44,043 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 255 [2021-10-15 19:08:44,043 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-15 19:08:44,044 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-15 19:08:44,057 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 19:08:44,057 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-10-15 19:08:44,057 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-15 19:08:44,061 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 1254 states, 1253 states have (on average 1.7206703910614525) internal successors, (2156), 1253 states have internal predecessors, (2156), 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) [2021-10-15 19:08:44,086 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 255 [2021-10-15 19:08:44,086 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-15 19:08:44,086 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-15 19:08:44,089 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 19:08:44,089 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-10-15 19:08:44,095 INFO L791 eck$LassoCheckResult]: Stem: 635#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(13);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string11.base, #t~string11.offset, 1);call write~init~int(115, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(10, #t~string11.base, 2 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 3 + #t~string11.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(21);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(30);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(21);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(30);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(9);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(25);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(30);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(9);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(25);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(10);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(34);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(16);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(20);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(21);call #t~string97.base, #t~string97.offset := #Ultimate.allocOnStack(10);call #t~string100.base, #t~string100.offset := #Ultimate.allocOnStack(12);call #t~string103.base, #t~string103.offset := #Ultimate.allocOnStack(10);call #t~string106.base, #t~string106.offset := #Ultimate.allocOnStack(18);call #t~string109.base, #t~string109.offset := #Ultimate.allocOnStack(16);call #t~string112.base, #t~string112.offset := #Ultimate.allocOnStack(21);call #t~string115.base, #t~string115.offset := #Ultimate.allocOnStack(13);call #t~string118.base, #t~string118.offset := #Ultimate.allocOnStack(16);call #t~string121.base, #t~string121.offset := #Ultimate.allocOnStack(25);call #t~string125.base, #t~string125.offset := #Ultimate.allocOnStack(44);call #t~string130.base, #t~string130.offset := #Ultimate.allocOnStack(44);call #t~string132.base, #t~string132.offset := #Ultimate.allocOnStack(9);call #t~string134.base, #t~string134.offset := #Ultimate.allocOnStack(9);call #t~string136.base, #t~string136.offset := #Ultimate.allocOnStack(11);call #t~string140.base, #t~string140.offset := #Ultimate.allocOnStack(19);call #t~string143.base, #t~string143.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string143.base, #t~string143.offset, 1);call write~init~int(100, #t~string143.base, 1 + #t~string143.offset, 1);call write~init~int(10, #t~string143.base, 2 + #t~string143.offset, 1);call write~init~int(0, #t~string143.base, 3 + #t~string143.offset, 1);call #t~string146.base, #t~string146.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string146.base, #t~string146.offset, 1);call write~init~int(100, #t~string146.base, 1 + #t~string146.offset, 1);call write~init~int(10, #t~string146.base, 2 + #t~string146.offset, 1);call write~init~int(0, #t~string146.base, 3 + #t~string146.offset, 1);~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~mail_is_sensitive~0 := -1;~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;~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; 1157#L-1true havoc main_#res;havoc main_#t~ret138, main_~retValue_acc~43, main_~tmp~23;havoc main_~retValue_acc~43;havoc main_~tmp~23; 602#L1589true havoc valid_product_#res;havoc valid_product_~retValue_acc~22;havoc valid_product_~retValue_acc~22;valid_product_~retValue_acc~22 := 1;valid_product_#res := valid_product_~retValue_acc~22; 1057#L1597true main_#t~ret138 := valid_product_#res;main_~tmp~23 := main_#t~ret138;havoc main_#t~ret138; 322#L2926true assume 0 != main_~tmp~23;havoc setup_#t~nondet133, setup_#t~nondet135, setup_#t~nondet137, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~4.base, setup_~__cil_tmp3~4.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~4.base, setup_~__cil_tmp3~4.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; 316#L1547true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 92#L1553-2true 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; 1174#L1112true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 354#L1118-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string132.base, #t~string132.offset;havoc setup_#t~nondet133;~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; 681#L1547-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 469#L1553-5true 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; 764#L1112-2true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 1065#L1118-5true setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string134.base, #t~string134.offset;havoc setup_#t~nondet135;~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; 258#L1547-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 943#L1553-8true 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; 951#L1112-4true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 1001#L1118-8true setup_~__cil_tmp3~4.base, setup_~__cil_tmp3~4.offset := #t~string136.base, #t~string136.offset;havoc setup_#t~nondet137; 566#L2913true havoc test_#t~nondet85, test_#t~nondet86, test_#t~nondet87, test_#t~nondet88, test_#t~nondet89, test_#t~nondet90, test_#t~nondet91, test_#t~nondet92, test_#t~nondet93, test_#t~nondet94, test_#t~nondet95, 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~16, test_~tmp___0~4, test_~tmp___1~3, test_~tmp___2~3, test_~tmp___3~1, test_~tmp___4~1, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~16;havoc test_~tmp___0~4;havoc test_~tmp___1~3;havoc test_~tmp___2~3;havoc test_~tmp___3~1;havoc test_~tmp___4~1;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 153#L2220-1true [2021-10-15 19:08:44,096 INFO L793 eck$LassoCheckResult]: Loop: 153#L2220-1true assume !false; 242#L2072true assume test_~splverifierCounter~0 < 4; 874#L2073true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 380#L2079true assume !(0 == test_~op1~0); 840#L2092true assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet86;havoc test_#t~nondet86; 189#L2097true assume 0 != test_~tmp___8~0;test_~op2~0 := 1; 153#L2220-1true [2021-10-15 19:08:44,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:08:44,102 INFO L82 PathProgramCache]: Analyzing trace with hash 1291925977, now seen corresponding path program 1 times [2021-10-15 19:08:44,112 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 19:08:44,112 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651264022] [2021-10-15 19:08:44,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:08:44,117 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 19:08:44,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 19:08:44,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-15 19:08:44,547 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-15 19:08:44,547 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1651264022] [2021-10-15 19:08:44,549 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1651264022] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-15 19:08:44,549 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-15 19:08:44,550 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-15 19:08:44,552 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190532115] [2021-10-15 19:08:44,562 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-15 19:08:44,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:08:44,565 INFO L82 PathProgramCache]: Analyzing trace with hash 590492675, now seen corresponding path program 1 times [2021-10-15 19:08:44,565 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 19:08:44,566 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544809354] [2021-10-15 19:08:44,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:08:44,567 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 19:08:44,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:08:44,590 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 19:08:44,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:08:44,644 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 19:08:44,705 INFO L210 LassoAnalysis]: Preferences: [2021-10-15 19:08:44,706 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-15 19:08:44,706 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-15 19:08:44,706 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-15 19:08:44,707 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-15 19:08:44,707 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:08:44,707 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-15 19:08:44,707 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-15 19:08:44,707 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec1_product34.cil.c_Iteration1_Loop [2021-10-15 19:08:44,708 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-15 19:08:44,708 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-15 19:08:44,726 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:08:44,734 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:08:44,739 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:08:44,744 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:08:44,815 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-15 19:08:44,815 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-15 19:08:44,818 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:08:44,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2659f626-c856-445a-81a1-a0345ef925a7/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:08:44,820 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2659f626-c856-445a-81a1-a0345ef925a7/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:08:44,833 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-15 19:08:44,833 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-15 19:08:44,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2659f626-c856-445a-81a1-a0345ef925a7/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-15 19:08:44,897 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2659f626-c856-445a-81a1-a0345ef925a7/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-15 19:08:44,898 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:08:44,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2659f626-c856-445a-81a1-a0345ef925a7/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:08:44,900 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2659f626-c856-445a-81a1-a0345ef925a7/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:08:44,905 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-15 19:08:44,906 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-15 19:08:44,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2659f626-c856-445a-81a1-a0345ef925a7/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-15 19:08:44,930 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-15 19:08:44,952 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2659f626-c856-445a-81a1-a0345ef925a7/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-15 19:08:44,952 INFO L210 LassoAnalysis]: Preferences: [2021-10-15 19:08:44,952 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-15 19:08:44,952 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-15 19:08:44,953 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-15 19:08:44,953 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-15 19:08:44,953 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:08:44,953 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-15 19:08:44,953 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-15 19:08:44,953 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec1_product34.cil.c_Iteration1_Loop [2021-10-15 19:08:44,953 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-15 19:08:44,953 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-15 19:08:44,955 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:08:44,966 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:08:44,971 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:08:44,977 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:08:45,051 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-15 19:08:45,056 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-15 19:08:45,057 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:08:45,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2659f626-c856-445a-81a1-a0345ef925a7/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:08:45,058 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2659f626-c856-445a-81a1-a0345ef925a7/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:08:45,064 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 [2021-10-15 19:08:45,073 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:08:45,074 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 19:08:45,074 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:08:45,074 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:08:45,074 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:08:45,077 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 19:08:45,077 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 19:08:45,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2659f626-c856-445a-81a1-a0345ef925a7/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-15 19:08:45,092 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-15 19:08:45,105 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-15 19:08:45,105 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-15 19:08:45,125 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:08:45,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2659f626-c856-445a-81a1-a0345ef925a7/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:08:45,144 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2659f626-c856-445a-81a1-a0345ef925a7/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:08:45,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2659f626-c856-445a-81a1-a0345ef925a7/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-15 19:08:45,148 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-15 19:08:45,149 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-15 19:08:45,149 INFO L513 LassoAnalysis]: Proved termination. [2021-10-15 19:08:45,150 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op2~0) = -2*ULTIMATE.start_test_~op2~0 + 1 Supporting invariants [] [2021-10-15 19:08:45,225 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2659f626-c856-445a-81a1-a0345ef925a7/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2021-10-15 19:08:45,227 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-15 19:08:45,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:08:45,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 19:08:45,443 INFO L263 TraceCheckSpWp]: Trace formula consists of 645 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-15 19:08:45,447 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 19:08:45,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 19:08:45,550 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-15 19:08:45,550 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 19:08:45,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-15 19:08:45,638 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 [2021-10-15 19:08:45,643 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 1254 states, 1253 states have (on average 1.7206703910614525) internal successors, (2156), 1253 states have internal predecessors, (2156), 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) [2021-10-15 19:08:46,011 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2659f626-c856-445a-81a1-a0345ef925a7/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-15 19:08:46,136 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 1254 states, 1253 states have (on average 1.7206703910614525) internal successors, (2156), 1253 states have internal predecessors, (2156), 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 5900 states and 10102 transitions. Complement of second has 7 states. [2021-10-15 19:08:46,137 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 [2021-10-15 19:08:46,138 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) [2021-10-15 19:08:46,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5900 transitions. [2021-10-15 19:08:46,149 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 5900 transitions. Stem has 18 letters. Loop has 6 letters. [2021-10-15 19:08:46,150 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-15 19:08:46,150 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 5900 transitions. Stem has 24 letters. Loop has 6 letters. [2021-10-15 19:08:46,151 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-15 19:08:46,151 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 5900 transitions. Stem has 18 letters. Loop has 12 letters. [2021-10-15 19:08:46,151 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-15 19:08:46,152 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 5900 states and 10102 transitions. [2021-10-15 19:08:46,250 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 509 [2021-10-15 19:08:46,267 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 5900 states to 1051 states and 1924 transitions. [2021-10-15 19:08:46,268 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 540 [2021-10-15 19:08:46,270 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 541 [2021-10-15 19:08:46,271 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1051 states and 1924 transitions. [2021-10-15 19:08:46,275 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-15 19:08:46,275 INFO L681 BuchiCegarLoop]: Abstraction has 1051 states and 1924 transitions. [2021-10-15 19:08:46,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1051 states and 1924 transitions. [2021-10-15 19:08:46,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1051 to 542. [2021-10-15 19:08:46,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 542 states, 542 states have (on average 1.8247232472324724) internal successors, (989), 541 states have internal predecessors, (989), 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) [2021-10-15 19:08:46,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 989 transitions. [2021-10-15 19:08:46,338 INFO L704 BuchiCegarLoop]: Abstraction has 542 states and 989 transitions. [2021-10-15 19:08:46,338 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-15 19:08:46,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-15 19:08:46,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-15 19:08:46,343 INFO L87 Difference]: Start difference. First operand 542 states and 989 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) [2021-10-15 19:08:46,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-15 19:08:46,391 INFO L93 Difference]: Finished difference Result 1064 states and 1943 transitions. [2021-10-15 19:08:46,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-15 19:08:46,392 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1064 states and 1943 transitions. [2021-10-15 19:08:46,402 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 510 [2021-10-15 19:08:46,413 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1064 states to 1064 states and 1943 transitions. [2021-10-15 19:08:46,414 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 552 [2021-10-15 19:08:46,415 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 552 [2021-10-15 19:08:46,415 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1064 states and 1943 transitions. [2021-10-15 19:08:46,417 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-15 19:08:46,417 INFO L681 BuchiCegarLoop]: Abstraction has 1064 states and 1943 transitions. [2021-10-15 19:08:46,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1064 states and 1943 transitions. [2021-10-15 19:08:46,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1064 to 541. [2021-10-15 19:08:46,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 541 states, 541 states have (on average 1.820702402957486) internal successors, (985), 540 states have internal predecessors, (985), 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) [2021-10-15 19:08:46,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 985 transitions. [2021-10-15 19:08:46,437 INFO L704 BuchiCegarLoop]: Abstraction has 541 states and 985 transitions. [2021-10-15 19:08:46,437 INFO L587 BuchiCegarLoop]: Abstraction has 541 states and 985 transitions. [2021-10-15 19:08:46,437 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-15 19:08:46,437 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 541 states and 985 transitions. [2021-10-15 19:08:46,441 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 255 [2021-10-15 19:08:46,441 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-15 19:08:46,441 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-15 19:08:46,443 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] [2021-10-15 19:08:46,443 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 19:08:46,443 INFO L791 eck$LassoCheckResult]: Stem: 9397#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(13);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string11.base, #t~string11.offset, 1);call write~init~int(115, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(10, #t~string11.base, 2 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 3 + #t~string11.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(21);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(30);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(21);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(30);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(9);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(25);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(30);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(9);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(25);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(10);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(34);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(16);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(20);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(21);call #t~string97.base, #t~string97.offset := #Ultimate.allocOnStack(10);call #t~string100.base, #t~string100.offset := #Ultimate.allocOnStack(12);call #t~string103.base, #t~string103.offset := #Ultimate.allocOnStack(10);call #t~string106.base, #t~string106.offset := #Ultimate.allocOnStack(18);call #t~string109.base, #t~string109.offset := #Ultimate.allocOnStack(16);call #t~string112.base, #t~string112.offset := #Ultimate.allocOnStack(21);call #t~string115.base, #t~string115.offset := #Ultimate.allocOnStack(13);call #t~string118.base, #t~string118.offset := #Ultimate.allocOnStack(16);call #t~string121.base, #t~string121.offset := #Ultimate.allocOnStack(25);call #t~string125.base, #t~string125.offset := #Ultimate.allocOnStack(44);call #t~string130.base, #t~string130.offset := #Ultimate.allocOnStack(44);call #t~string132.base, #t~string132.offset := #Ultimate.allocOnStack(9);call #t~string134.base, #t~string134.offset := #Ultimate.allocOnStack(9);call #t~string136.base, #t~string136.offset := #Ultimate.allocOnStack(11);call #t~string140.base, #t~string140.offset := #Ultimate.allocOnStack(19);call #t~string143.base, #t~string143.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string143.base, #t~string143.offset, 1);call write~init~int(100, #t~string143.base, 1 + #t~string143.offset, 1);call write~init~int(10, #t~string143.base, 2 + #t~string143.offset, 1);call write~init~int(0, #t~string143.base, 3 + #t~string143.offset, 1);call #t~string146.base, #t~string146.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string146.base, #t~string146.offset, 1);call write~init~int(100, #t~string146.base, 1 + #t~string146.offset, 1);call write~init~int(10, #t~string146.base, 2 + #t~string146.offset, 1);call write~init~int(0, #t~string146.base, 3 + #t~string146.offset, 1);~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~mail_is_sensitive~0 := -1;~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;~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; 9354#L-1 havoc main_#res;havoc main_#t~ret138, main_~retValue_acc~43, main_~tmp~23;havoc main_~retValue_acc~43;havoc main_~tmp~23; 9355#L1589 havoc valid_product_#res;havoc valid_product_~retValue_acc~22;havoc valid_product_~retValue_acc~22;valid_product_~retValue_acc~22 := 1;valid_product_#res := valid_product_~retValue_acc~22; 9205#L1597 main_#t~ret138 := valid_product_#res;main_~tmp~23 := main_#t~ret138;havoc main_#t~ret138; 9206#L2926 assume 0 != main_~tmp~23;havoc setup_#t~nondet133, setup_#t~nondet135, setup_#t~nondet137, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~4.base, setup_~__cil_tmp3~4.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~4.base, setup_~__cil_tmp3~4.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; 9396#L1547 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 8917#L1553-2 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; 9181#L1112 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 8943#L1118-2 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string132.base, #t~string132.offset;havoc setup_#t~nondet133;~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; 8944#L1547-2 assume !(1 == setClientId_~handle); 9011#L1550-2 assume 2 == setClientId_~handle;~__ste_client_idCounter1~0 := setClientId_~value; 9226#L1553-5 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; 9192#L1112-2 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 8961#L1118-5 setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string134.base, #t~string134.offset;havoc setup_#t~nondet135;~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; 9219#L1547-4 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 9102#L1553-8 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; 8877#L1112-4 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 8878#L1118-8 setup_~__cil_tmp3~4.base, setup_~__cil_tmp3~4.offset := #t~string136.base, #t~string136.offset;havoc setup_#t~nondet137; 9034#L2913 havoc test_#t~nondet85, test_#t~nondet86, test_#t~nondet87, test_#t~nondet88, test_#t~nondet89, test_#t~nondet90, test_#t~nondet91, test_#t~nondet92, test_#t~nondet93, test_#t~nondet94, test_#t~nondet95, 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~16, test_~tmp___0~4, test_~tmp___1~3, test_~tmp___2~3, test_~tmp___3~1, test_~tmp___4~1, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~16;havoc test_~tmp___0~4;havoc test_~tmp___1~3;havoc test_~tmp___2~3;havoc test_~tmp___3~1;havoc test_~tmp___4~1;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 9362#L2220-1 assume !false; 9266#L2072 [2021-10-15 19:08:46,444 INFO L793 eck$LassoCheckResult]: Loop: 9266#L2072 assume test_~splverifierCounter~0 < 4; 9373#L2073 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 9001#L2079 assume !(0 == test_~op1~0); 9003#L2092 assume !(0 == test_~op2~0); 9113#L2103 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet87;havoc test_#t~nondet87; 8929#L2108 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; 8931#L1112-6 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 8972#L1118-11 test_~op3~0 := 1; 9057#L2220-1 assume !false; 9266#L2072 [2021-10-15 19:08:46,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:08:46,444 INFO L82 PathProgramCache]: Analyzing trace with hash -953559564, now seen corresponding path program 1 times [2021-10-15 19:08:46,445 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 19:08:46,445 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348509448] [2021-10-15 19:08:46,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:08:46,446 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 19:08:46,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 19:08:46,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-15 19:08:46,551 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-15 19:08:46,552 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348509448] [2021-10-15 19:08:46,552 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1348509448] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-15 19:08:46,553 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-15 19:08:46,553 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-15 19:08:46,553 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298501313] [2021-10-15 19:08:46,553 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-15 19:08:46,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:08:46,555 INFO L82 PathProgramCache]: Analyzing trace with hash -1296812605, now seen corresponding path program 1 times [2021-10-15 19:08:46,555 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 19:08:46,555 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581202258] [2021-10-15 19:08:46,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:08:46,555 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 19:08:46,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:08:46,568 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 19:08:46,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:08:46,600 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 19:08:46,726 INFO L210 LassoAnalysis]: Preferences: [2021-10-15 19:08:46,727 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-15 19:08:46,727 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-15 19:08:46,727 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-15 19:08:46,727 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-15 19:08:46,727 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:08:46,727 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-15 19:08:46,728 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-15 19:08:46,728 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec1_product34.cil.c_Iteration2_Loop [2021-10-15 19:08:46,728 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-15 19:08:46,728 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-15 19:08:46,730 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:08:46,737 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:08:46,777 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:08:46,782 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:08:46,789 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:08:46,791 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:08:46,796 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:08:46,916 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-15 19:08:46,916 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-15 19:08:46,917 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:08:46,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2659f626-c856-445a-81a1-a0345ef925a7/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:08:46,918 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2659f626-c856-445a-81a1-a0345ef925a7/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:08:46,923 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-15 19:08:46,924 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-15 19:08:46,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2659f626-c856-445a-81a1-a0345ef925a7/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-15 19:08:46,945 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-15 19:08:46,945 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_setClientPrivateKey_#in~value=0, ULTIMATE.start_setClientPrivateKey_~value=0, ~__ste_client_privateKey0~0=0} Honda state: {ULTIMATE.start_setClientPrivateKey_#in~value=0, ULTIMATE.start_setClientPrivateKey_~value=0, ~__ste_client_privateKey0~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-15 19:08:46,988 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2659f626-c856-445a-81a1-a0345ef925a7/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-15 19:08:46,989 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:08:46,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2659f626-c856-445a-81a1-a0345ef925a7/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:08:46,990 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2659f626-c856-445a-81a1-a0345ef925a7/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:08:46,996 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-15 19:08:46,996 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-15 19:08:47,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2659f626-c856-445a-81a1-a0345ef925a7/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-15 19:08:47,056 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2659f626-c856-445a-81a1-a0345ef925a7/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-15 19:08:47,057 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:08:47,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2659f626-c856-445a-81a1-a0345ef925a7/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:08:47,061 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2659f626-c856-445a-81a1-a0345ef925a7/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:08:47,068 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-15 19:08:47,068 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-15 19:08:47,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2659f626-c856-445a-81a1-a0345ef925a7/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-15 19:08:47,129 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-15 19:08:47,135 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2659f626-c856-445a-81a1-a0345ef925a7/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-15 19:08:47,136 INFO L210 LassoAnalysis]: Preferences: [2021-10-15 19:08:47,136 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-15 19:08:47,136 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-15 19:08:47,136 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-15 19:08:47,136 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-15 19:08:47,136 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:08:47,136 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-15 19:08:47,136 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-15 19:08:47,137 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec1_product34.cil.c_Iteration2_Loop [2021-10-15 19:08:47,137 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-15 19:08:47,137 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-15 19:08:47,138 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:08:47,152 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:08:47,159 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:08:47,161 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:08:47,164 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:08:47,173 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:08:47,180 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:08:47,294 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-15 19:08:47,294 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-15 19:08:47,295 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:08:47,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2659f626-c856-445a-81a1-a0345ef925a7/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:08:47,296 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2659f626-c856-445a-81a1-a0345ef925a7/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:08:47,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2659f626-c856-445a-81a1-a0345ef925a7/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-15 19:08:47,308 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 [2021-10-15 19:08:47,317 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:08:47,317 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 19:08:47,317 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:08:47,317 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:08:47,318 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:08:47,319 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 19:08:47,319 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 19:08:47,332 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-15 19:08:47,334 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-15 19:08:47,335 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-15 19:08:47,335 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:08:47,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2659f626-c856-445a-81a1-a0345ef925a7/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:08:47,336 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2659f626-c856-445a-81a1-a0345ef925a7/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:08:47,344 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-15 19:08:47,345 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-15 19:08:47,345 INFO L513 LassoAnalysis]: Proved termination. [2021-10-15 19:08:47,345 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 7 Supporting invariants [] [2021-10-15 19:08:47,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2659f626-c856-445a-81a1-a0345ef925a7/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-15 19:08:47,384 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2659f626-c856-445a-81a1-a0345ef925a7/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-15 19:08:47,384 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-15 19:08:47,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:08:47,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 19:08:47,523 INFO L263 TraceCheckSpWp]: Trace formula consists of 647 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-15 19:08:47,525 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 19:08:47,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 19:08:47,636 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-15 19:08:47,637 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 19:08:47,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-15 19:08:47,757 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 [2021-10-15 19:08:47,758 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 541 states and 985 transitions. cyclomatic complexity: 446 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) [2021-10-15 19:08:47,803 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 541 states and 985 transitions. cyclomatic complexity: 446. 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 1055 states and 1929 transitions. Complement of second has 6 states. [2021-10-15 19:08:47,804 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 [2021-10-15 19:08:47,804 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) [2021-10-15 19:08:47,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 515 transitions. [2021-10-15 19:08:47,806 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 515 transitions. Stem has 20 letters. Loop has 9 letters. [2021-10-15 19:08:47,807 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-15 19:08:47,807 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 515 transitions. Stem has 29 letters. Loop has 9 letters. [2021-10-15 19:08:47,809 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-15 19:08:47,809 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 515 transitions. Stem has 20 letters. Loop has 18 letters. [2021-10-15 19:08:47,812 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-15 19:08:47,813 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1055 states and 1929 transitions. [2021-10-15 19:08:47,823 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-15 19:08:47,823 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1055 states to 0 states and 0 transitions. [2021-10-15 19:08:47,824 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-15 19:08:47,824 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-15 19:08:47,824 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-15 19:08:47,824 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-15 19:08:47,824 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-15 19:08:47,824 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-15 19:08:47,824 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-15 19:08:47,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-15 19:08:47,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-15 19:08:47,826 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) [2021-10-15 19:08:47,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-15 19:08:47,826 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2021-10-15 19:08:47,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-15 19:08:47,827 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2021-10-15 19:08:47,827 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-15 19:08:47,827 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2021-10-15 19:08:47,827 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-15 19:08:47,827 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-15 19:08:47,827 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-15 19:08:47,827 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-15 19:08:47,828 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-15 19:08:47,828 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-15 19:08:47,828 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-15 19:08:47,828 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-15 19:08:47,828 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-15 19:08:47,828 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-15 19:08:47,829 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-15 19:08:47,835 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 15.10 07:08:47 BoogieIcfgContainer [2021-10-15 19:08:47,835 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-15 19:08:47,836 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-15 19:08:47,838 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-15 19:08:47,839 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-15 19:08:47,839 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:08:43" (3/4) ... [2021-10-15 19:08:47,842 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-15 19:08:47,842 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-15 19:08:47,845 INFO L168 Benchmark]: Toolchain (without parser) took 8753.06 ms. Allocated memory was 98.6 MB in the beginning and 237.0 MB in the end (delta: 138.4 MB). Free memory was 61.9 MB in the beginning and 98.0 MB in the end (delta: -36.1 MB). Peak memory consumption was 103.0 MB. Max. memory is 16.1 GB. [2021-10-15 19:08:47,846 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 75.5 MB. Free memory was 49.9 MB in the beginning and 49.8 MB in the end (delta: 25.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:08:47,852 INFO L168 Benchmark]: CACSL2BoogieTranslator took 806.20 ms. Allocated memory is still 98.6 MB. Free memory was 61.7 MB in the beginning and 46.0 MB in the end (delta: 15.7 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-10-15 19:08:47,852 INFO L168 Benchmark]: Boogie Procedure Inliner took 254.35 ms. Allocated memory is still 98.6 MB. Free memory was 46.0 MB in the beginning and 61.4 MB in the end (delta: -15.4 MB). Peak memory consumption was 21.8 MB. Max. memory is 16.1 GB. [2021-10-15 19:08:47,854 INFO L168 Benchmark]: Boogie Preprocessor took 226.13 ms. Allocated memory is still 98.6 MB. Free memory was 61.4 MB in the beginning and 45.1 MB in the end (delta: 16.2 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-10-15 19:08:47,855 INFO L168 Benchmark]: RCFGBuilder took 3456.21 ms. Allocated memory was 98.6 MB in the beginning and 174.1 MB in the end (delta: 75.5 MB). Free memory was 45.1 MB in the beginning and 121.8 MB in the end (delta: -76.6 MB). Peak memory consumption was 41.3 MB. Max. memory is 16.1 GB. [2021-10-15 19:08:47,858 INFO L168 Benchmark]: BuchiAutomizer took 3997.54 ms. Allocated memory was 174.1 MB in the beginning and 237.0 MB in the end (delta: 62.9 MB). Free memory was 121.8 MB in the beginning and 98.0 MB in the end (delta: 23.8 MB). Peak memory consumption was 87.7 MB. Max. memory is 16.1 GB. [2021-10-15 19:08:47,859 INFO L168 Benchmark]: Witness Printer took 6.53 ms. Allocated memory is still 237.0 MB. Free memory is still 98.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:08:47,867 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 75.5 MB. Free memory was 49.9 MB in the beginning and 49.8 MB in the end (delta: 25.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 806.20 ms. Allocated memory is still 98.6 MB. Free memory was 61.7 MB in the beginning and 46.0 MB in the end (delta: 15.7 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 254.35 ms. Allocated memory is still 98.6 MB. Free memory was 46.0 MB in the beginning and 61.4 MB in the end (delta: -15.4 MB). Peak memory consumption was 21.8 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 226.13 ms. Allocated memory is still 98.6 MB. Free memory was 61.4 MB in the beginning and 45.1 MB in the end (delta: 16.2 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * RCFGBuilder took 3456.21 ms. Allocated memory was 98.6 MB in the beginning and 174.1 MB in the end (delta: 75.5 MB). Free memory was 45.1 MB in the beginning and 121.8 MB in the end (delta: -76.6 MB). Peak memory consumption was 41.3 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 3997.54 ms. Allocated memory was 174.1 MB in the beginning and 237.0 MB in the end (delta: 62.9 MB). Free memory was 121.8 MB in the beginning and 98.0 MB in the end (delta: 23.8 MB). Peak memory consumption was 87.7 MB. Max. memory is 16.1 GB. * Witness Printer took 6.53 ms. Allocated memory is still 237.0 MB. Free memory is still 98.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 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 3.9s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.0s. 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 67.7ms AutomataMinimizationTime, 2 MinimizatonAttempts, 1032 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.1s Buchi closure took 0.0s. Biggest automaton had 541 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 5753 SDtfs, 5251 SDslu, 7709 SDs, 0 SdLazy, 26 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 26.4ms Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT2 lasso0 LassoPreprocessingBenchmarks: Lassos: inital38 mio100 ax100 hnf100 lsp29 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq189 hnf90 smp100 dnf134 smp100 tf108 neg92 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 92ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-15 19:08:47,918 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2659f626-c856-445a-81a1-a0345ef925a7/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-15 19:08:48,135 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2659f626-c856-445a-81a1-a0345ef925a7/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request...