./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/email_spec1_product20.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_671fac6b-75cb-4902-9f0d-4e874152bfb3/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_671fac6b-75cb-4902-9f0d-4e874152bfb3/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_671fac6b-75cb-4902-9f0d-4e874152bfb3/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_671fac6b-75cb-4902-9f0d-4e874152bfb3/bin/uautomizer-GMMbpWq8iD/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/email_spec1_product20.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_671fac6b-75cb-4902-9f0d-4e874152bfb3/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_671fac6b-75cb-4902-9f0d-4e874152bfb3/bin/uautomizer-GMMbpWq8iD --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 e0e95c13964d33a58c84e6632b6635f09155542b4e87cc9520cc45bb7c6f5f1d ................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 00:05:06,534 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 00:05:06,536 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 00:05:06,599 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 00:05:06,600 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 00:05:06,607 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 00:05:06,609 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 00:05:06,614 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 00:05:06,617 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 00:05:06,626 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 00:05:06,627 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 00:05:06,629 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 00:05:06,630 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 00:05:06,633 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 00:05:06,635 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 00:05:06,637 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 00:05:06,638 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 00:05:06,639 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 00:05:06,644 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 00:05:06,648 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 00:05:06,650 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 00:05:06,652 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 00:05:06,654 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 00:05:06,655 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 00:05:06,660 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 00:05:06,660 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 00:05:06,661 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 00:05:06,662 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 00:05:06,663 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 00:05:06,665 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 00:05:06,665 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 00:05:06,666 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 00:05:06,668 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 00:05:06,669 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 00:05:06,670 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 00:05:06,671 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 00:05:06,672 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 00:05:06,672 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 00:05:06,672 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 00:05:06,674 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 00:05:06,675 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 00:05:06,676 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_671fac6b-75cb-4902-9f0d-4e874152bfb3/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-29 00:05:06,705 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 00:05:06,705 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 00:05:06,706 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-29 00:05:06,706 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-29 00:05:06,707 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 00:05:06,714 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 00:05:06,715 INFO L138 SettingsManager]: * Use SBE=true [2021-10-29 00:05:06,715 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-29 00:05:06,715 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-29 00:05:06,716 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-29 00:05:06,716 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-29 00:05:06,716 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-29 00:05:06,716 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-29 00:05:06,717 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 00:05:06,717 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 00:05:06,717 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-29 00:05:06,717 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 00:05:06,718 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 00:05:06,718 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 00:05:06,718 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-29 00:05:06,718 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-29 00:05:06,719 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-29 00:05:06,719 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 00:05:06,719 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 00:05:06,719 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-29 00:05:06,720 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 00:05:06,720 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-29 00:05:06,720 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 00:05:06,720 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-29 00:05:06,721 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 00:05:06,721 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-29 00:05:06,721 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 00:05:06,723 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-29 00:05:06,723 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_671fac6b-75cb-4902-9f0d-4e874152bfb3/bin/uautomizer-GMMbpWq8iD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_671fac6b-75cb-4902-9f0d-4e874152bfb3/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e0e95c13964d33a58c84e6632b6635f09155542b4e87cc9520cc45bb7c6f5f1d [2021-10-29 00:05:07,094 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 00:05:07,137 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 00:05:07,140 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 00:05:07,142 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 00:05:07,143 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 00:05:07,145 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_671fac6b-75cb-4902-9f0d-4e874152bfb3/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/product-lines/email_spec1_product20.cil.c [2021-10-29 00:05:07,227 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_671fac6b-75cb-4902-9f0d-4e874152bfb3/bin/uautomizer-GMMbpWq8iD/data/a5d30cdf6/6f35d898dd164010acb21274b1866c5f/FLAG27b9d59d4 [2021-10-29 00:05:07,987 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 00:05:07,988 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_671fac6b-75cb-4902-9f0d-4e874152bfb3/sv-benchmarks/c/product-lines/email_spec1_product20.cil.c [2021-10-29 00:05:08,011 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_671fac6b-75cb-4902-9f0d-4e874152bfb3/bin/uautomizer-GMMbpWq8iD/data/a5d30cdf6/6f35d898dd164010acb21274b1866c5f/FLAG27b9d59d4 [2021-10-29 00:05:08,111 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_671fac6b-75cb-4902-9f0d-4e874152bfb3/bin/uautomizer-GMMbpWq8iD/data/a5d30cdf6/6f35d898dd164010acb21274b1866c5f [2021-10-29 00:05:08,114 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 00:05:08,119 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 00:05:08,123 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 00:05:08,123 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 00:05:08,127 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 00:05:08,128 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 12:05:08" (1/1) ... [2021-10-29 00:05:08,129 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@288cffdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:05:08, skipping insertion in model container [2021-10-29 00:05:08,130 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 12:05:08" (1/1) ... [2021-10-29 00:05:08,139 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 00:05:08,277 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 00:05:08,730 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_671fac6b-75cb-4902-9f0d-4e874152bfb3/sv-benchmarks/c/product-lines/email_spec1_product20.cil.c[17698,17711] [2021-10-29 00:05:09,049 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 00:05:09,066 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 00:05:09,131 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_671fac6b-75cb-4902-9f0d-4e874152bfb3/sv-benchmarks/c/product-lines/email_spec1_product20.cil.c[17698,17711] [2021-10-29 00:05:09,242 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 00:05:09,283 INFO L208 MainTranslator]: Completed translation [2021-10-29 00:05:09,283 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:05:09 WrapperNode [2021-10-29 00:05:09,284 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 00:05:09,285 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 00:05:09,285 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 00:05:09,285 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 00:05:09,293 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:05:09" (1/1) ... [2021-10-29 00:05:09,325 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:05:09" (1/1) ... [2021-10-29 00:05:09,520 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 00:05:09,521 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 00:05:09,521 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 00:05:09,522 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 00:05:09,532 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:05:09" (1/1) ... [2021-10-29 00:05:09,532 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:05:09" (1/1) ... [2021-10-29 00:05:09,556 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:05:09" (1/1) ... [2021-10-29 00:05:09,556 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:05:09" (1/1) ... [2021-10-29 00:05:09,622 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:05:09" (1/1) ... [2021-10-29 00:05:09,659 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:05:09" (1/1) ... [2021-10-29 00:05:09,668 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:05:09" (1/1) ... [2021-10-29 00:05:09,692 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 00:05:09,693 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 00:05:09,694 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 00:05:09,694 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 00:05:09,697 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:05:09" (1/1) ... [2021-10-29 00:05:09,708 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-29 00:05:09,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_671fac6b-75cb-4902-9f0d-4e874152bfb3/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-29 00:05:09,742 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_671fac6b-75cb-4902-9f0d-4e874152bfb3/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-29 00:05:09,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_671fac6b-75cb-4902-9f0d-4e874152bfb3/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-29 00:05:09,806 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-10-29 00:05:09,807 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 00:05:09,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 00:05:09,807 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 00:05:09,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 00:05:12,707 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 00:05:12,708 INFO L299 CfgBuilder]: Removed 529 assume(true) statements. [2021-10-29 00:05:12,712 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 12:05:12 BoogieIcfgContainer [2021-10-29 00:05:12,714 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 00:05:12,717 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-29 00:05:12,718 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-29 00:05:12,722 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-29 00:05:12,723 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-29 00:05:12,723 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.10 12:05:08" (1/3) ... [2021-10-29 00:05:12,725 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@682a59da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.10 12:05:12, skipping insertion in model container [2021-10-29 00:05:12,725 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-29 00:05:12,726 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:05:09" (2/3) ... [2021-10-29 00:05:12,726 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@682a59da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.10 12:05:12, skipping insertion in model container [2021-10-29 00:05:12,726 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-29 00:05:12,727 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 12:05:12" (3/3) ... [2021-10-29 00:05:12,728 INFO L389 chiAutomizerObserver]: Analyzing ICFG email_spec1_product20.cil.c [2021-10-29 00:05:12,795 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-29 00:05:12,795 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-29 00:05:12,795 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-29 00:05:12,795 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-29 00:05:12,796 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-29 00:05:12,796 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-29 00:05:12,796 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-29 00:05:12,796 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-29 00:05:12,854 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 830 states, 829 states have (on average 1.758745476477684) internal successors, (1458), 829 states have internal predecessors, (1458), 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) [2021-10-29 00:05:12,941 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 255 [2021-10-29 00:05:12,941 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-29 00:05:12,942 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-29 00:05:12,957 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 00:05:12,957 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 00:05:12,957 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-29 00:05:12,960 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 830 states, 829 states have (on average 1.758745476477684) internal successors, (1458), 829 states have internal predecessors, (1458), 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) [2021-10-29 00:05:12,984 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 255 [2021-10-29 00:05:12,985 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-29 00:05:12,985 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-29 00:05:12,988 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 00:05:12,988 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 00:05:12,994 INFO L791 eck$LassoCheckResult]: Stem: 391#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(10);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(34);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(30);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(16);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(20);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(22);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(10);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(12);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(10);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(18);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(16);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(21);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(44);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(44);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(9);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(11);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(19);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string73.base, #t~string73.offset, 1);call write~init~int(100, #t~string73.base, 1 + #t~string73.offset, 1);call write~init~int(10, #t~string73.base, 2 + #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 3 + #t~string73.offset, 1);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string76.base, #t~string76.offset, 1);call write~init~int(100, #t~string76.base, 1 + #t~string76.offset, 1);call write~init~int(10, #t~string76.base, 2 + #t~string76.offset, 1);call write~init~int(0, #t~string76.base, 3 + #t~string76.offset, 1);call #t~string96.base, #t~string96.offset := #Ultimate.allocOnStack(13);call #t~string118.base, #t~string118.offset := #Ultimate.allocOnStack(30);call #t~string119.base, #t~string119.offset := #Ultimate.allocOnStack(9);call #t~string120.base, #t~string120.offset := #Ultimate.allocOnStack(21);call #t~string121.base, #t~string121.offset := #Ultimate.allocOnStack(30);call #t~string122.base, #t~string122.offset := #Ultimate.allocOnStack(9);call #t~string123.base, #t~string123.offset := #Ultimate.allocOnStack(21);call #t~string127.base, #t~string127.offset := #Ultimate.allocOnStack(30);call #t~string128.base, #t~string128.offset := #Ultimate.allocOnStack(9);call #t~string129.base, #t~string129.offset := #Ultimate.allocOnStack(25);call #t~string130.base, #t~string130.offset := #Ultimate.allocOnStack(30);call #t~string131.base, #t~string131.offset := #Ultimate.allocOnStack(9);call #t~string132.base, #t~string132.offset := #Ultimate.allocOnStack(25);call #t~string136.base, #t~string136.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string136.base, #t~string136.offset, 1);call write~init~int(115, #t~string136.base, 1 + #t~string136.offset, 1);call write~init~int(10, #t~string136.base, 2 + #t~string136.offset, 1);call write~init~int(0, #t~string136.base, 3 + #t~string136.offset, 1);~__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;~__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;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~mail_is_sensitive~0 := -1;~head~0.base, ~head~0.offset := 0, 0; 763#L-1true havoc main_#res;havoc main_#t~ret68, main_~retValue_acc~20, main_~tmp~13;havoc main_~retValue_acc~20;havoc main_~tmp~13; 502#L2918true havoc valid_product_#res;havoc valid_product_~retValue_acc~42;havoc valid_product_~retValue_acc~42;valid_product_~retValue_acc~42 := 1;valid_product_#res := valid_product_~retValue_acc~42; 199#L2926true main_#t~ret68 := valid_product_#res;main_~tmp~13 := main_#t~ret68;havoc main_#t~ret68; 338#L1074true assume 0 != main_~tmp~13;havoc setup_#t~nondet63, setup_#t~nondet65, setup_#t~nondet67, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~2.base, setup_~__cil_tmp3~2.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~2.base, setup_~__cil_tmp3~2.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;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; 723#L2485true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 404#L2491-2true 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; 761#L2050true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 122#L2056-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string62.base, #t~string62.offset;havoc setup_#t~nondet63;~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; 136#L2485-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 442#L2491-5true 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; 361#L2050-2true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 634#L2056-5true setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string64.base, #t~string64.offset;havoc setup_#t~nondet65;~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; 195#L2485-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 459#L2491-8true 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; 237#L2050-4true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 248#L2056-8true setup_~__cil_tmp3~2.base, setup_~__cil_tmp3~2.offset := #t~string66.base, #t~string66.offset;havoc setup_#t~nondet67; 493#L1061true havoc test_#t~nondet83, test_#t~nondet84, 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_~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~15, test_~tmp___0~7, test_~tmp___1~4, test_~tmp___2~3, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~15;havoc test_~tmp___0~7;havoc test_~tmp___1~4;havoc test_~tmp___2~3;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 288#L1409-1true [2021-10-29 00:05:12,995 INFO L793 eck$LassoCheckResult]: Loop: 288#L1409-1true assume !false; 585#L1261true assume test_~splverifierCounter~0 < 4; 799#L1262true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 364#L1268true assume !(0 == test_~op1~0); 395#L1281true assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet84;havoc test_#t~nondet84; 726#L1286true assume 0 != test_~tmp___8~0;setClientAutoResponse_#in~handle, setClientAutoResponse_#in~value := ~rjh~0, 1;havoc setClientAutoResponse_~handle, setClientAutoResponse_~value;setClientAutoResponse_~handle := setClientAutoResponse_#in~handle;setClientAutoResponse_~value := setClientAutoResponse_#in~value; 769#L2003true assume 1 == setClientAutoResponse_~handle;~__ste_client_autoResponse0~0 := setClientAutoResponse_~value; 406#L2009-2true test_~op2~0 := 1; 288#L1409-1true [2021-10-29 00:05:13,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:05:13,001 INFO L85 PathProgramCache]: Analyzing trace with hash 1291925977, now seen corresponding path program 1 times [2021-10-29 00:05:13,011 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 00:05:13,012 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899402744] [2021-10-29 00:05:13,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:05:13,013 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 00:05:13,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 00:05:13,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 00:05:13,483 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 00:05:13,483 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899402744] [2021-10-29 00:05:13,485 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1899402744] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 00:05:13,486 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 00:05:13,487 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-29 00:05:13,489 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568749808] [2021-10-29 00:05:13,500 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-29 00:05:13,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:05:13,508 INFO L85 PathProgramCache]: Analyzing trace with hash 527790547, now seen corresponding path program 1 times [2021-10-29 00:05:13,509 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 00:05:13,509 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523715344] [2021-10-29 00:05:13,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:05:13,510 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 00:05:13,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 00:05:13,543 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 00:05:13,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 00:05:13,594 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-29 00:05:13,729 INFO L210 LassoAnalysis]: Preferences: [2021-10-29 00:05:13,730 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-29 00:05:13,730 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-29 00:05:13,730 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-29 00:05:13,731 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-29 00:05:13,731 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-29 00:05:13,731 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-29 00:05:13,731 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-29 00:05:13,731 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec1_product20.cil.c_Iteration1_Loop [2021-10-29 00:05:13,732 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-29 00:05:13,732 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-29 00:05:13,755 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-29 00:05:13,766 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-29 00:05:13,772 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-29 00:05:13,787 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-29 00:05:13,795 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-29 00:05:13,804 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-29 00:05:13,940 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-29 00:05:13,940 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-29 00:05:13,944 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-29 00:05:13,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_671fac6b-75cb-4902-9f0d-4e874152bfb3/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-29 00:05:13,947 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_671fac6b-75cb-4902-9f0d-4e874152bfb3/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-29 00:05:13,958 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-29 00:05:13,958 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-29 00:05:13,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_671fac6b-75cb-4902-9f0d-4e874152bfb3/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-29 00:05:14,018 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_671fac6b-75cb-4902-9f0d-4e874152bfb3/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-29 00:05:14,018 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-29 00:05:14,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_671fac6b-75cb-4902-9f0d-4e874152bfb3/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-29 00:05:14,021 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_671fac6b-75cb-4902-9f0d-4e874152bfb3/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-29 00:05:14,027 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-29 00:05:14,027 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-29 00:05:14,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_671fac6b-75cb-4902-9f0d-4e874152bfb3/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-29 00:05:14,096 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-29 00:05:14,103 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_671fac6b-75cb-4902-9f0d-4e874152bfb3/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-29 00:05:14,104 INFO L210 LassoAnalysis]: Preferences: [2021-10-29 00:05:14,104 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-29 00:05:14,104 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-29 00:05:14,104 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-29 00:05:14,104 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-29 00:05:14,104 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-29 00:05:14,104 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-29 00:05:14,105 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-29 00:05:14,105 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec1_product20.cil.c_Iteration1_Loop [2021-10-29 00:05:14,105 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-29 00:05:14,105 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-29 00:05:14,107 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-29 00:05:14,115 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-29 00:05:14,121 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-29 00:05:14,132 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-29 00:05:14,141 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-29 00:05:14,148 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-29 00:05:14,272 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-29 00:05:14,278 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-29 00:05:14,279 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-29 00:05:14,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_671fac6b-75cb-4902-9f0d-4e874152bfb3/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-29 00:05:14,283 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_671fac6b-75cb-4902-9f0d-4e874152bfb3/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-29 00:05:14,288 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 [2021-10-29 00:05:14,299 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-29 00:05:14,300 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-29 00:05:14,300 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-29 00:05:14,301 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-29 00:05:14,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_671fac6b-75cb-4902-9f0d-4e874152bfb3/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-29 00:05:14,301 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-29 00:05:14,304 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-29 00:05:14,304 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-29 00:05:14,319 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-29 00:05:14,347 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-29 00:05:14,348 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-29 00:05:14,349 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-29 00:05:14,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_671fac6b-75cb-4902-9f0d-4e874152bfb3/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-29 00:05:14,363 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_671fac6b-75cb-4902-9f0d-4e874152bfb3/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-29 00:05:14,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_671fac6b-75cb-4902-9f0d-4e874152bfb3/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-29 00:05:14,419 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-29 00:05:14,420 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-29 00:05:14,420 INFO L513 LassoAnalysis]: Proved termination. [2021-10-29 00:05:14,421 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 7 Supporting invariants [] [2021-10-29 00:05:14,477 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_671fac6b-75cb-4902-9f0d-4e874152bfb3/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2021-10-29 00:05:14,480 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-29 00:05:14,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:05:14,688 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_671fac6b-75cb-4902-9f0d-4e874152bfb3/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-29 00:05:14,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 00:05:14,749 INFO L263 TraceCheckSpWp]: Trace formula consists of 627 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 00:05:14,752 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 00:05:14,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 00:05:14,862 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-29 00:05:14,863 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 00:05:15,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 00:05:15,023 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 [2021-10-29 00:05:15,028 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 830 states, 829 states have (on average 1.758745476477684) internal successors, (1458), 829 states have internal predecessors, (1458), 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 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 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) [2021-10-29 00:05:15,276 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 830 states, 829 states have (on average 1.758745476477684) internal successors, (1458), 829 states have internal predecessors, (1458), 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 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 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 2181 states and 3804 transitions. Complement of second has 7 states. [2021-10-29 00:05:15,277 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 [2021-10-29 00:05:15,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 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) [2021-10-29 00:05:15,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2399 transitions. [2021-10-29 00:05:15,286 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 2399 transitions. Stem has 18 letters. Loop has 8 letters. [2021-10-29 00:05:15,287 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-29 00:05:15,288 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 2399 transitions. Stem has 26 letters. Loop has 8 letters. [2021-10-29 00:05:15,288 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-29 00:05:15,289 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 2399 transitions. Stem has 18 letters. Loop has 16 letters. [2021-10-29 00:05:15,292 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-29 00:05:15,293 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2181 states and 3804 transitions. [2021-10-29 00:05:15,327 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-29 00:05:15,330 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2181 states to 0 states and 0 transitions. [2021-10-29 00:05:15,332 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-29 00:05:15,332 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-29 00:05:15,333 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-29 00:05:15,333 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-29 00:05:15,333 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-29 00:05:15,334 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-29 00:05:15,334 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 00:05:15,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-29 00:05:15,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 00:05:15,340 INFO L87 Difference]: Start difference. First operand 0 states and 0 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) [2021-10-29 00:05:15,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 00:05:15,343 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2021-10-29 00:05:15,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-29 00:05:15,344 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2021-10-29 00:05:15,344 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-29 00:05:15,344 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2021-10-29 00:05:15,344 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-29 00:05:15,344 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-29 00:05:15,345 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-29 00:05:15,345 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-29 00:05:15,347 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-29 00:05:15,347 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-29 00:05:15,347 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-29 00:05:15,347 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-29 00:05:15,347 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-29 00:05:15,347 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-29 00:05:15,348 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-29 00:05:15,354 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.10 12:05:15 BoogieIcfgContainer [2021-10-29 00:05:15,354 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-29 00:05:15,355 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 00:05:15,355 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 00:05:15,355 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 00:05:15,356 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 12:05:12" (3/4) ... [2021-10-29 00:05:15,359 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-29 00:05:15,360 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 00:05:15,365 INFO L168 Benchmark]: Toolchain (without parser) took 7241.28 ms. Allocated memory was 86.0 MB in the beginning and 207.6 MB in the end (delta: 121.6 MB). Free memory was 48.0 MB in the beginning and 94.5 MB in the end (delta: -46.5 MB). Peak memory consumption was 75.2 MB. Max. memory is 16.1 GB. [2021-10-29 00:05:15,365 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 86.0 MB. Free memory is still 66.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 00:05:15,367 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1161.26 ms. Allocated memory was 86.0 MB in the beginning and 127.9 MB in the end (delta: 41.9 MB). Free memory was 47.8 MB in the beginning and 94.1 MB in the end (delta: -46.3 MB). Peak memory consumption was 14.8 MB. Max. memory is 16.1 GB. [2021-10-29 00:05:15,368 INFO L168 Benchmark]: Boogie Procedure Inliner took 235.57 ms. Allocated memory is still 127.9 MB. Free memory was 94.1 MB in the beginning and 80.5 MB in the end (delta: 13.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-29 00:05:15,369 INFO L168 Benchmark]: Boogie Preprocessor took 171.11 ms. Allocated memory is still 127.9 MB. Free memory was 80.5 MB in the beginning and 70.1 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 00:05:15,376 INFO L168 Benchmark]: RCFGBuilder took 3021.34 ms. Allocated memory was 127.9 MB in the beginning and 207.6 MB in the end (delta: 79.7 MB). Free memory was 70.1 MB in the beginning and 167.3 MB in the end (delta: -97.2 MB). Peak memory consumption was 37.6 MB. Max. memory is 16.1 GB. [2021-10-29 00:05:15,377 INFO L168 Benchmark]: BuchiAutomizer took 2637.50 ms. Allocated memory is still 207.6 MB. Free memory was 167.3 MB in the beginning and 94.5 MB in the end (delta: 72.8 MB). Peak memory consumption was 72.7 MB. Max. memory is 16.1 GB. [2021-10-29 00:05:15,377 INFO L168 Benchmark]: Witness Printer took 4.88 ms. Allocated memory is still 207.6 MB. Free memory is still 94.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 00:05:15,386 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 86.0 MB. Free memory is still 66.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1161.26 ms. Allocated memory was 86.0 MB in the beginning and 127.9 MB in the end (delta: 41.9 MB). Free memory was 47.8 MB in the beginning and 94.1 MB in the end (delta: -46.3 MB). Peak memory consumption was 14.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 235.57 ms. Allocated memory is still 127.9 MB. Free memory was 94.1 MB in the beginning and 80.5 MB in the end (delta: 13.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 171.11 ms. Allocated memory is still 127.9 MB. Free memory was 80.5 MB in the beginning and 70.1 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * RCFGBuilder took 3021.34 ms. Allocated memory was 127.9 MB in the beginning and 207.6 MB in the end (delta: 79.7 MB). Free memory was 70.1 MB in the beginning and 167.3 MB in the end (delta: -97.2 MB). Peak memory consumption was 37.6 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 2637.50 ms. Allocated memory is still 207.6 MB. Free memory was 167.3 MB in the beginning and 94.5 MB in the end (delta: 72.8 MB). Peak memory consumption was 72.7 MB. Max. memory is 16.1 GB. * Witness Printer took 4.88 ms. Allocated memory is still 207.6 MB. Free memory is still 94.5 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 2 terminating modules (1 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function 7 + -2 * splverifierCounter and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.5s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.8s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 1450 SDtfs, 1450 SDslu, 2796 SDs, 0 SdLazy, 6 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital45 mio100 ax100 hnf100 lsp24 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq209 hnf86 smp100 dnf120 smp100 tf108 neg92 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 141ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-29 00:05:15,444 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_671fac6b-75cb-4902-9f0d-4e874152bfb3/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...