./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/email_spec1_product29.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_6b3939da-deef-4f36-a167-087fc5d689ad/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3939da-deef-4f36-a167-087fc5d689ad/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_6b3939da-deef-4f36-a167-087fc5d689ad/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3939da-deef-4f36-a167-087fc5d689ad/bin/uautomizer-GMMbpWq8iD/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/email_spec1_product29.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3939da-deef-4f36-a167-087fc5d689ad/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_6b3939da-deef-4f36-a167-087fc5d689ad/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 63bdee5cc43e6d0ce6e1fd7ff8178b7d4c48f0f239c647cbda6fb7b36603cc42 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 23:46:12,417 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:46:12,419 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:46:12,450 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:46:12,451 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:46:12,452 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:46:12,454 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:46:12,456 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:46:12,458 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:46:12,459 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:46:12,461 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:46:12,462 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:46:12,462 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:46:12,464 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:46:12,465 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:46:12,466 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:46:12,467 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:46:12,468 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:46:12,470 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:46:12,472 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:46:12,474 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:46:12,476 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:46:12,477 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:46:12,478 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:46:12,481 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:46:12,482 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:46:12,482 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:46:12,483 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:46:12,484 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:46:12,485 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:46:12,489 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:46:12,490 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:46:12,491 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:46:12,492 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:46:12,493 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:46:12,493 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:46:12,494 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:46:12,495 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:46:12,495 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:46:12,496 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:46:12,497 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:46:12,499 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3939da-deef-4f36-a167-087fc5d689ad/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-28 23:46:12,546 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:46:12,547 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:46:12,547 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:46:12,547 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:46:12,548 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:46:12,548 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:46:12,548 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:46:12,549 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 23:46:12,549 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 23:46:12,549 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 23:46:12,549 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 23:46:12,549 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 23:46:12,550 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 23:46:12,550 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:46:12,550 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 23:46:12,550 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 23:46:12,550 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:46:12,551 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 23:46:12,551 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:46:12,551 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 23:46:12,551 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 23:46:12,551 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 23:46:12,551 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 23:46:12,552 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 23:46:12,552 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 23:46:12,552 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:46:12,552 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 23:46:12,552 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:46:12,553 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:46:12,553 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:46:12,553 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 23:46:12,553 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:46:12,554 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 23:46:12,554 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_6b3939da-deef-4f36-a167-087fc5d689ad/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3939da-deef-4f36-a167-087fc5d689ad/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 63bdee5cc43e6d0ce6e1fd7ff8178b7d4c48f0f239c647cbda6fb7b36603cc42 [2021-10-28 23:46:12,784 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:46:12,810 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:46:12,813 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:46:12,814 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:46:12,815 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:46:12,816 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3939da-deef-4f36-a167-087fc5d689ad/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/product-lines/email_spec1_product29.cil.c [2021-10-28 23:46:12,887 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3939da-deef-4f36-a167-087fc5d689ad/bin/uautomizer-GMMbpWq8iD/data/b83065af0/51e26d4eddbd49929254b09e23c93b90/FLAG39d4c6622 [2021-10-28 23:46:13,567 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:46:13,568 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3939da-deef-4f36-a167-087fc5d689ad/sv-benchmarks/c/product-lines/email_spec1_product29.cil.c [2021-10-28 23:46:13,586 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3939da-deef-4f36-a167-087fc5d689ad/bin/uautomizer-GMMbpWq8iD/data/b83065af0/51e26d4eddbd49929254b09e23c93b90/FLAG39d4c6622 [2021-10-28 23:46:13,865 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3939da-deef-4f36-a167-087fc5d689ad/bin/uautomizer-GMMbpWq8iD/data/b83065af0/51e26d4eddbd49929254b09e23c93b90 [2021-10-28 23:46:13,880 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:46:13,882 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 23:46:13,883 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:46:13,884 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:46:13,889 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:46:13,890 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:46:13" (1/1) ... [2021-10-28 23:46:13,891 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c60a7b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:46:13, skipping insertion in model container [2021-10-28 23:46:13,891 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:46:13" (1/1) ... [2021-10-28 23:46:13,899 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:46:13,960 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:46:14,397 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_6b3939da-deef-4f36-a167-087fc5d689ad/sv-benchmarks/c/product-lines/email_spec1_product29.cil.c[32754,32767] [2021-10-28 23:46:14,535 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:46:14,546 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 23:46:14,648 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_6b3939da-deef-4f36-a167-087fc5d689ad/sv-benchmarks/c/product-lines/email_spec1_product29.cil.c[32754,32767] [2021-10-28 23:46:14,710 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:46:14,768 INFO L208 MainTranslator]: Completed translation [2021-10-28 23:46:14,769 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:46:14 WrapperNode [2021-10-28 23:46:14,769 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:46:14,770 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 23:46:14,770 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 23:46:14,770 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 23:46:14,776 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:46:14" (1/1) ... [2021-10-28 23:46:14,805 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:46:14" (1/1) ... [2021-10-28 23:46:14,961 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 23:46:14,961 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 23:46:14,962 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 23:46:14,962 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 23:46:14,970 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:46:14" (1/1) ... [2021-10-28 23:46:14,970 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:46:14" (1/1) ... [2021-10-28 23:46:14,985 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:46:14" (1/1) ... [2021-10-28 23:46:14,985 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:46:14" (1/1) ... [2021-10-28 23:46:15,064 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:46:14" (1/1) ... [2021-10-28 23:46:15,094 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:46:14" (1/1) ... [2021-10-28 23:46:15,102 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:46:14" (1/1) ... [2021-10-28 23:46:15,116 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 23:46:15,117 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 23:46:15,117 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 23:46:15,118 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 23:46:15,119 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:46:14" (1/1) ... [2021-10-28 23:46:15,126 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:46:15,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3939da-deef-4f36-a167-087fc5d689ad/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:46:15,147 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3939da-deef-4f36-a167-087fc5d689ad/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:46:15,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3939da-deef-4f36-a167-087fc5d689ad/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 23:46:15,190 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-10-28 23:46:15,191 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 23:46:15,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 23:46:15,191 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 23:46:15,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 23:46:18,078 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 23:46:18,078 INFO L299 CfgBuilder]: Removed 605 assume(true) statements. [2021-10-28 23:46:18,082 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:46:18 BoogieIcfgContainer [2021-10-28 23:46:18,082 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 23:46:18,083 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 23:46:18,084 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 23:46:18,087 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 23:46:18,087 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:46:18,088 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 11:46:13" (1/3) ... [2021-10-28 23:46:18,088 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@29a42cde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 11:46:18, skipping insertion in model container [2021-10-28 23:46:18,089 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:46:18,089 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:46:14" (2/3) ... [2021-10-28 23:46:18,089 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@29a42cde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 11:46:18, skipping insertion in model container [2021-10-28 23:46:18,090 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:46:18,090 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:46:18" (3/3) ... [2021-10-28 23:46:18,092 INFO L389 chiAutomizerObserver]: Analyzing ICFG email_spec1_product29.cil.c [2021-10-28 23:46:18,145 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 23:46:18,145 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 23:46:18,145 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 23:46:18,145 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 23:46:18,145 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 23:46:18,146 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 23:46:18,146 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 23:46:18,146 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 23:46:18,191 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 992 states, 991 states have (on average 1.756811301715439) internal successors, (1741), 991 states have internal predecessors, (1741), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:46:18,284 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 251 [2021-10-28 23:46:18,285 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:46:18,285 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:46:18,299 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:46:18,299 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-10-28 23:46:18,299 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 23:46:18,303 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 992 states, 991 states have (on average 1.756811301715439) internal successors, (1741), 991 states have internal predecessors, (1741), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:46:18,327 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 251 [2021-10-28 23:46:18,327 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:46:18,327 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:46:18,330 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:46:18,330 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-10-28 23:46:18,341 INFO L791 eck$LassoCheckResult]: Stem: 474#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~string25.base, #t~string25.offset := #Ultimate.allocOnStack(30);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(9);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.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(25);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(30);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(25);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(10);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(12);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(10);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(18);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(16);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(21);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(13);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(16);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(25);call #t~string82.base, #t~string82.offset := #Ultimate.allocOnStack(44);call #t~string87.base, #t~string87.offset := #Ultimate.allocOnStack(44);call #t~string89.base, #t~string89.offset := #Ultimate.allocOnStack(9);call #t~string91.base, #t~string91.offset := #Ultimate.allocOnStack(9);call #t~string93.base, #t~string93.offset := #Ultimate.allocOnStack(11);call #t~string97.base, #t~string97.offset := #Ultimate.allocOnStack(19);call #t~string100.base, #t~string100.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string100.base, #t~string100.offset, 1);call write~init~int(100, #t~string100.base, 1 + #t~string100.offset, 1);call write~init~int(10, #t~string100.base, 2 + #t~string100.offset, 1);call write~init~int(0, #t~string100.base, 3 + #t~string100.offset, 1);call #t~string103.base, #t~string103.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string103.base, #t~string103.offset, 1);call write~init~int(100, #t~string103.base, 1 + #t~string103.offset, 1);call write~init~int(10, #t~string103.base, 2 + #t~string103.offset, 1);call write~init~int(0, #t~string103.base, 3 + #t~string103.offset, 1);call #t~string113.base, #t~string113.offset := #Ultimate.allocOnStack(13);call #t~string117.base, #t~string117.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string117.base, #t~string117.offset, 1);call write~init~int(115, #t~string117.base, 1 + #t~string117.offset, 1);call write~init~int(10, #t~string117.base, 2 + #t~string117.offset, 1);call write~init~int(0, #t~string117.base, 3 + #t~string117.offset, 1);call #t~string119.base, #t~string119.offset := #Ultimate.allocOnStack(10);call #t~string126.base, #t~string126.offset := #Ultimate.allocOnStack(34);call #t~string129.base, #t~string129.offset := #Ultimate.allocOnStack(30);call #t~string133.base, #t~string133.offset := #Ultimate.allocOnStack(16);call #t~string141.base, #t~string141.offset := #Ultimate.allocOnStack(20);~__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;~head~0.base, ~head~0.offset := 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;~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;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0; 900#L-1true havoc main_#res;havoc main_#t~ret95, main_~retValue_acc~18, main_~tmp~10;havoc main_~retValue_acc~18;havoc main_~tmp~10; 670#L2601true havoc valid_product_#res;havoc valid_product_~retValue_acc~37;havoc valid_product_~retValue_acc~37;valid_product_~retValue_acc~37 := 1;valid_product_#res := valid_product_~retValue_acc~37; 94#L2609true main_#t~ret95 := valid_product_#res;main_~tmp~10 := main_#t~ret95;havoc main_#t~ret95; 806#L1363true assume 0 != main_~tmp~10;havoc setup_#t~nondet90, setup_#t~nondet92, setup_#t~nondet94, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;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; 643#L2562true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 951#L2568-2true 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; 728#L2127true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 783#L2133-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string89.base, #t~string89.offset;havoc setup_#t~nondet90;~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; 299#L2562-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 897#L2568-5true 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; 947#L2127-2true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 496#L2133-5true setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string91.base, #t~string91.offset;havoc setup_#t~nondet92;~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; 184#L2562-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 794#L2568-8true 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; 435#L2127-4true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 203#L2133-8true setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset := #t~string93.base, #t~string93.offset;havoc setup_#t~nondet94; 587#L1350true havoc test_#t~nondet42, test_#t~nondet43, test_#t~nondet44, test_#t~nondet45, test_#t~nondet46, test_#t~nondet47, test_#t~nondet48, test_#t~nondet49, test_#t~nondet50, test_#t~nondet51, test_#t~nondet52, 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~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 901#L1021-1true [2021-10-28 23:46:18,341 INFO L793 eck$LassoCheckResult]: Loop: 901#L1021-1true assume !false; 574#L876true assume test_~splverifierCounter~0 < 4; 509#L877true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 893#L883true assume !(0 == test_~op1~0); 249#L896true assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet43;havoc test_#t~nondet43; 482#L901true assume 0 != test_~tmp___8~0;test_~op2~0 := 1; 901#L1021-1true [2021-10-28 23:46:18,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:46:18,347 INFO L85 PathProgramCache]: Analyzing trace with hash 1291925977, now seen corresponding path program 1 times [2021-10-28 23:46:18,364 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:46:18,365 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667863274] [2021-10-28 23:46:18,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:46:18,366 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:46:18,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:46:18,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:46:18,787 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:46:18,788 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667863274] [2021-10-28 23:46:18,789 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1667863274] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:46:18,789 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:46:18,789 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:46:18,791 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996009159] [2021-10-28 23:46:18,796 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 23:46:18,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:46:18,797 INFO L85 PathProgramCache]: Analyzing trace with hash 590492675, now seen corresponding path program 1 times [2021-10-28 23:46:18,797 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:46:18,797 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837713601] [2021-10-28 23:46:18,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:46:18,798 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:46:18,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:46:18,808 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:46:18,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:46:18,842 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:46:18,909 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:46:18,910 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:46:18,910 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:46:18,910 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:46:18,910 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-28 23:46:18,911 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:46:18,911 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:46:18,911 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:46:18,911 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec1_product29.cil.c_Iteration1_Loop [2021-10-28 23:46:18,911 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:46:18,912 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:46:18,933 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:46:18,944 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:46:18,950 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:46:18,958 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:46:19,058 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:46:19,059 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-28 23:46:19,062 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:46:19,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3939da-deef-4f36-a167-087fc5d689ad/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:46:19,066 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3939da-deef-4f36-a167-087fc5d689ad/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:46:19,073 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 23:46:19,074 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 23:46:19,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3939da-deef-4f36-a167-087fc5d689ad/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-28 23:46:19,108 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 23:46:19,109 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_#t~nondet43=7, ULTIMATE.start_test_~tmp___8~0=7} Honda state: {ULTIMATE.start_test_#t~nondet43=7, ULTIMATE.start_test_~tmp___8~0=7} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 23:46:19,152 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3939da-deef-4f36-a167-087fc5d689ad/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2021-10-28 23:46:19,153 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:46:19,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3939da-deef-4f36-a167-087fc5d689ad/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:46:19,156 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3939da-deef-4f36-a167-087fc5d689ad/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:46:19,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3939da-deef-4f36-a167-087fc5d689ad/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-28 23:46:19,158 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 23:46:19,158 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 23:46:19,242 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3939da-deef-4f36-a167-087fc5d689ad/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2021-10-28 23:46:19,242 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:46:19,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3939da-deef-4f36-a167-087fc5d689ad/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:46:19,244 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3939da-deef-4f36-a167-087fc5d689ad/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:46:19,251 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-28 23:46:19,251 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 23:46:19,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3939da-deef-4f36-a167-087fc5d689ad/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-28 23:46:19,297 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-28 23:46:19,356 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3939da-deef-4f36-a167-087fc5d689ad/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-28 23:46:19,357 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:46:19,357 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:46:19,357 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:46:19,357 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:46:19,357 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 23:46:19,358 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:46:19,358 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:46:19,358 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:46:19,358 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec1_product29.cil.c_Iteration1_Loop [2021-10-28 23:46:19,358 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:46:19,358 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:46:19,360 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:46:19,372 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:46:19,379 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:46:19,383 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:46:19,480 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:46:19,485 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 23:46:19,487 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:46:19,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3939da-deef-4f36-a167-087fc5d689ad/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:46:19,502 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3939da-deef-4f36-a167-087fc5d689ad/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:46:19,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3939da-deef-4f36-a167-087fc5d689ad/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-28 23:46:19,564 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:46:19,575 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:46:19,576 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:46:19,576 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:46:19,577 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:46:19,577 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:46:19,580 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:46:19,580 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:46:19,591 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 23:46:19,597 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-28 23:46:19,597 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-28 23:46:19,599 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:46:19,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3939da-deef-4f36-a167-087fc5d689ad/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:46:19,602 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3939da-deef-4f36-a167-087fc5d689ad/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:46:19,608 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 23:46:19,608 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-28 23:46:19,609 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 23:46:19,609 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op2~0) = -2*ULTIMATE.start_test_~op2~0 + 1 Supporting invariants [] [2021-10-28 23:46:19,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3939da-deef-4f36-a167-087fc5d689ad/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-28 23:46:19,663 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3939da-deef-4f36-a167-087fc5d689ad/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-28 23:46:19,665 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-28 23:46:19,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:46:19,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:46:19,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 639 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 23:46:19,898 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:46:20,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:46:20,045 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 23:46:20,046 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:46:20,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:46:20,152 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-28 23:46:20,158 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 992 states, 991 states have (on average 1.756811301715439) internal successors, (1741), 991 states have internal predecessors, (1741), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:46:20,524 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3939da-deef-4f36-a167-087fc5d689ad/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-28 23:46:20,690 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 992 states, 991 states have (on average 1.756811301715439) internal successors, (1741), 991 states have internal predecessors, (1741), 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 4594 states and 8034 transitions. Complement of second has 7 states. [2021-10-28 23:46:20,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-28 23:46:20,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:46:20,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 4662 transitions. [2021-10-28 23:46:20,704 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 4662 transitions. Stem has 18 letters. Loop has 6 letters. [2021-10-28 23:46:20,706 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:46:20,706 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 4662 transitions. Stem has 24 letters. Loop has 6 letters. [2021-10-28 23:46:20,707 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:46:20,707 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 4662 transitions. Stem has 18 letters. Loop has 12 letters. [2021-10-28 23:46:20,707 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:46:20,708 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 4594 states and 8034 transitions. [2021-10-28 23:46:20,836 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 501 [2021-10-28 23:46:20,856 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 4594 states to 1035 states and 1896 transitions. [2021-10-28 23:46:20,858 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 532 [2021-10-28 23:46:20,860 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 533 [2021-10-28 23:46:20,861 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1035 states and 1896 transitions. [2021-10-28 23:46:20,864 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 23:46:20,864 INFO L681 BuchiCegarLoop]: Abstraction has 1035 states and 1896 transitions. [2021-10-28 23:46:20,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1035 states and 1896 transitions. [2021-10-28 23:46:20,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1035 to 534. [2021-10-28 23:46:20,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 534 states, 534 states have (on average 1.8258426966292134) internal successors, (975), 533 states have internal predecessors, (975), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:46:20,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 534 states and 975 transitions. [2021-10-28 23:46:20,957 INFO L704 BuchiCegarLoop]: Abstraction has 534 states and 975 transitions. [2021-10-28 23:46:20,957 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:46:20,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:46:20,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:46:20,963 INFO L87 Difference]: Start difference. First operand 534 states and 975 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:46:21,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:46:21,025 INFO L93 Difference]: Finished difference Result 1048 states and 1915 transitions. [2021-10-28 23:46:21,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:46:21,026 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1048 states and 1915 transitions. [2021-10-28 23:46:21,036 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 502 [2021-10-28 23:46:21,049 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1048 states to 1048 states and 1915 transitions. [2021-10-28 23:46:21,049 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 544 [2021-10-28 23:46:21,050 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 544 [2021-10-28 23:46:21,051 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1048 states and 1915 transitions. [2021-10-28 23:46:21,051 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 23:46:21,051 INFO L681 BuchiCegarLoop]: Abstraction has 1048 states and 1915 transitions. [2021-10-28 23:46:21,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1048 states and 1915 transitions. [2021-10-28 23:46:21,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1048 to 533. [2021-10-28 23:46:21,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 533 states, 533 states have (on average 1.8217636022514072) internal successors, (971), 532 states have internal predecessors, (971), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:46:21,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 533 states and 971 transitions. [2021-10-28 23:46:21,082 INFO L704 BuchiCegarLoop]: Abstraction has 533 states and 971 transitions. [2021-10-28 23:46:21,082 INFO L587 BuchiCegarLoop]: Abstraction has 533 states and 971 transitions. [2021-10-28 23:46:21,082 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-28 23:46:21,082 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 533 states and 971 transitions. [2021-10-28 23:46:21,087 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 251 [2021-10-28 23:46:21,087 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:46:21,087 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:46:21,091 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:46:21,091 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:46:21,091 INFO L791 eck$LassoCheckResult]: Stem: 7798#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~string25.base, #t~string25.offset := #Ultimate.allocOnStack(30);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(9);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.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(25);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(30);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(25);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(10);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(12);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(10);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(18);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(16);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(21);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(13);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(16);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(25);call #t~string82.base, #t~string82.offset := #Ultimate.allocOnStack(44);call #t~string87.base, #t~string87.offset := #Ultimate.allocOnStack(44);call #t~string89.base, #t~string89.offset := #Ultimate.allocOnStack(9);call #t~string91.base, #t~string91.offset := #Ultimate.allocOnStack(9);call #t~string93.base, #t~string93.offset := #Ultimate.allocOnStack(11);call #t~string97.base, #t~string97.offset := #Ultimate.allocOnStack(19);call #t~string100.base, #t~string100.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string100.base, #t~string100.offset, 1);call write~init~int(100, #t~string100.base, 1 + #t~string100.offset, 1);call write~init~int(10, #t~string100.base, 2 + #t~string100.offset, 1);call write~init~int(0, #t~string100.base, 3 + #t~string100.offset, 1);call #t~string103.base, #t~string103.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string103.base, #t~string103.offset, 1);call write~init~int(100, #t~string103.base, 1 + #t~string103.offset, 1);call write~init~int(10, #t~string103.base, 2 + #t~string103.offset, 1);call write~init~int(0, #t~string103.base, 3 + #t~string103.offset, 1);call #t~string113.base, #t~string113.offset := #Ultimate.allocOnStack(13);call #t~string117.base, #t~string117.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string117.base, #t~string117.offset, 1);call write~init~int(115, #t~string117.base, 1 + #t~string117.offset, 1);call write~init~int(10, #t~string117.base, 2 + #t~string117.offset, 1);call write~init~int(0, #t~string117.base, 3 + #t~string117.offset, 1);call #t~string119.base, #t~string119.offset := #Ultimate.allocOnStack(10);call #t~string126.base, #t~string126.offset := #Ultimate.allocOnStack(34);call #t~string129.base, #t~string129.offset := #Ultimate.allocOnStack(30);call #t~string133.base, #t~string133.offset := #Ultimate.allocOnStack(16);call #t~string141.base, #t~string141.offset := #Ultimate.allocOnStack(20);~__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;~head~0.base, ~head~0.offset := 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;~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;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0; 7749#L-1 havoc main_#res;havoc main_#t~ret95, main_~retValue_acc~18, main_~tmp~10;havoc main_~retValue_acc~18;havoc main_~tmp~10; 7750#L2601 havoc valid_product_#res;havoc valid_product_~retValue_acc~37;havoc valid_product_~retValue_acc~37;valid_product_~retValue_acc~37 := 1;valid_product_#res := valid_product_~retValue_acc~37; 7632#L2609 main_#t~ret95 := valid_product_#res;main_~tmp~10 := main_#t~ret95;havoc main_#t~ret95; 7547#L1363 assume 0 != main_~tmp~10;havoc setup_#t~nondet90, setup_#t~nondet92, setup_#t~nondet94, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;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; 7548#L2562 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 7578#L2568-2 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; 7791#L2127 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 7501#L2133-2 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string89.base, #t~string89.offset;havoc setup_#t~nondet90;~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; 7502#L2562-2 assume !(1 == setClientId_~handle); 7503#L2565-2 assume 2 == setClientId_~handle;~__ste_client_idCounter1~0 := setClientId_~value; 7741#L2568-5 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; 7742#L2127-2 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 7325#L2133-5 setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string91.base, #t~string91.offset;havoc setup_#t~nondet92;~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; 7326#L2562-4 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 7516#L2568-8 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; 7517#L2127-4 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 7539#L2133-8 setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset := #t~string93.base, #t~string93.offset;havoc setup_#t~nondet94; 7614#L1350 havoc test_#t~nondet42, test_#t~nondet43, test_#t~nondet44, test_#t~nondet45, test_#t~nondet46, test_#t~nondet47, test_#t~nondet48, test_#t~nondet49, test_#t~nondet50, test_#t~nondet51, test_#t~nondet52, 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~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 7615#L1021-1 assume !false; 7567#L876 [2021-10-28 23:46:21,092 INFO L793 eck$LassoCheckResult]: Loop: 7567#L876 assume test_~splverifierCounter~0 < 4; 7361#L877 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 7362#L883 assume !(0 == test_~op1~0); 7319#L896 assume !(0 == test_~op2~0); 7320#L907 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet44;havoc test_#t~nondet44; 7767#L912 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; 7719#L2127-6 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 7720#L2133-11 test_~op3~0 := 1; 7407#L1021-1 assume !false; 7567#L876 [2021-10-28 23:46:21,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:46:21,092 INFO L85 PathProgramCache]: Analyzing trace with hash -953559564, now seen corresponding path program 1 times [2021-10-28 23:46:21,093 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:46:21,094 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32561954] [2021-10-28 23:46:21,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:46:21,094 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:46:21,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:46:21,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:46:21,260 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:46:21,260 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [32561954] [2021-10-28 23:46:21,260 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [32561954] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:46:21,261 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:46:21,261 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 23:46:21,261 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891676624] [2021-10-28 23:46:21,262 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 23:46:21,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:46:21,263 INFO L85 PathProgramCache]: Analyzing trace with hash -1296812605, now seen corresponding path program 1 times [2021-10-28 23:46:21,263 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:46:21,263 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022356897] [2021-10-28 23:46:21,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:46:21,264 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:46:21,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:46:21,273 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:46:21,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:46:21,287 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:46:21,396 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:46:21,397 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:46:21,397 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:46:21,397 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:46:21,398 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-28 23:46:21,400 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:46:21,401 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:46:21,401 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:46:21,401 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec1_product29.cil.c_Iteration2_Loop [2021-10-28 23:46:21,402 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:46:21,402 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:46:21,404 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:46:21,410 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:46:21,418 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:46:21,427 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:46:21,433 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:46:21,440 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:46:21,443 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:46:21,560 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:46:21,560 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-28 23:46:21,560 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:46:21,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3939da-deef-4f36-a167-087fc5d689ad/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:46:21,562 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3939da-deef-4f36-a167-087fc5d689ad/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:46:21,574 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 23:46:21,574 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 23:46:21,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3939da-deef-4f36-a167-087fc5d689ad/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-28 23:46:21,606 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 23:46:21,606 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: [] [2021-10-28 23:46:21,641 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3939da-deef-4f36-a167-087fc5d689ad/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2021-10-28 23:46:21,641 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:46:21,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3939da-deef-4f36-a167-087fc5d689ad/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:46:21,643 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3939da-deef-4f36-a167-087fc5d689ad/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:46:21,648 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 23:46:21,648 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 23:46:21,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3939da-deef-4f36-a167-087fc5d689ad/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-28 23:46:21,702 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3939da-deef-4f36-a167-087fc5d689ad/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-28 23:46:21,702 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:46:21,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3939da-deef-4f36-a167-087fc5d689ad/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:46:21,703 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3939da-deef-4f36-a167-087fc5d689ad/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:46:21,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3939da-deef-4f36-a167-087fc5d689ad/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-28 23:46:21,705 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-28 23:46:21,705 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 23:46:21,744 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-28 23:46:21,750 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3939da-deef-4f36-a167-087fc5d689ad/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-28 23:46:21,750 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:46:21,750 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:46:21,750 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:46:21,750 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:46:21,750 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 23:46:21,750 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:46:21,750 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:46:21,750 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:46:21,750 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec1_product29.cil.c_Iteration2_Loop [2021-10-28 23:46:21,751 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:46:21,751 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:46:21,752 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:46:21,765 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:46:21,771 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:46:21,777 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:46:21,780 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:46:21,782 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:46:21,788 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:46:21,894 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:46:21,894 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 23:46:21,894 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:46:21,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3939da-deef-4f36-a167-087fc5d689ad/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:46:21,899 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3939da-deef-4f36-a167-087fc5d689ad/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:46:21,910 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:46:21,919 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:46:21,919 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:46:21,919 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:46:21,919 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:46:21,919 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:46:21,921 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:46:21,921 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:46:21,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3939da-deef-4f36-a167-087fc5d689ad/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-28 23:46:21,982 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 23:46:21,984 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-28 23:46:21,984 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-28 23:46:21,984 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:46:21,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3939da-deef-4f36-a167-087fc5d689ad/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:46:21,985 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3939da-deef-4f36-a167-087fc5d689ad/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:46:21,990 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 23:46:21,991 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-28 23:46:21,991 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 23:46:21,991 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 7 Supporting invariants [] [2021-10-28 23:46:22,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3939da-deef-4f36-a167-087fc5d689ad/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-28 23:46:22,027 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3939da-deef-4f36-a167-087fc5d689ad/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-28 23:46:22,027 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-28 23:46:22,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:46:22,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:46:22,167 INFO L263 TraceCheckSpWp]: Trace formula consists of 641 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 23:46:22,169 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:46:22,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:46:22,253 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 23:46:22,254 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:46:22,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:46:22,356 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-10-28 23:46:22,357 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 533 states and 971 transitions. cyclomatic complexity: 440 Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:46:22,395 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 533 states and 971 transitions. cyclomatic complexity: 440. 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 1039 states and 1901 transitions. Complement of second has 6 states. [2021-10-28 23:46:22,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-28 23:46:22,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:46:22,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 508 transitions. [2021-10-28 23:46:22,397 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 508 transitions. Stem has 20 letters. Loop has 9 letters. [2021-10-28 23:46:22,398 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:46:22,398 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 508 transitions. Stem has 29 letters. Loop has 9 letters. [2021-10-28 23:46:22,398 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:46:22,399 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 508 transitions. Stem has 20 letters. Loop has 18 letters. [2021-10-28 23:46:22,399 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:46:22,399 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1039 states and 1901 transitions. [2021-10-28 23:46:22,407 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 23:46:22,408 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1039 states to 0 states and 0 transitions. [2021-10-28 23:46:22,408 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-28 23:46:22,408 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-28 23:46:22,408 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-28 23:46:22,408 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:46:22,408 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:46:22,408 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:46:22,408 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:46:22,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 23:46:22,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:46:22,409 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:46:22,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:46:22,410 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2021-10-28 23:46:22,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-28 23:46:22,410 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2021-10-28 23:46:22,410 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 23:46:22,410 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 23:46:22,410 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-28 23:46:22,411 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-28 23:46:22,411 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-28 23:46:22,411 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:46:22,411 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:46:22,411 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:46:22,411 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:46:22,411 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-28 23:46:22,411 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-28 23:46:22,412 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 23:46:22,412 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-28 23:46:22,417 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 11:46:22 BoogieIcfgContainer [2021-10-28 23:46:22,417 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 23:46:22,418 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:46:22,418 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:46:22,418 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:46:22,418 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:46:18" (3/4) ... [2021-10-28 23:46:22,421 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 23:46:22,421 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:46:22,423 INFO L168 Benchmark]: Toolchain (without parser) took 8540.24 ms. Allocated memory was 104.9 MB in the beginning and 180.4 MB in the end (delta: 75.5 MB). Free memory was 66.6 MB in the beginning and 69.5 MB in the end (delta: -2.9 MB). Peak memory consumption was 73.4 MB. Max. memory is 16.1 GB. [2021-10-28 23:46:22,423 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 104.9 MB. Free memory was 76.1 MB in the beginning and 76.0 MB in the end (delta: 21.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:46:22,424 INFO L168 Benchmark]: CACSL2BoogieTranslator took 886.22 ms. Allocated memory is still 104.9 MB. Free memory was 66.4 MB in the beginning and 53.1 MB in the end (delta: 13.3 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-28 23:46:22,425 INFO L168 Benchmark]: Boogie Procedure Inliner took 190.81 ms. Allocated memory is still 104.9 MB. Free memory was 53.1 MB in the beginning and 37.2 MB in the end (delta: 15.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-28 23:46:22,425 INFO L168 Benchmark]: Boogie Preprocessor took 155.23 ms. Allocated memory is still 104.9 MB. Free memory was 37.2 MB in the beginning and 64.9 MB in the end (delta: -27.6 MB). Peak memory consumption was 14.2 MB. Max. memory is 16.1 GB. [2021-10-28 23:46:22,426 INFO L168 Benchmark]: RCFGBuilder took 2965.34 ms. Allocated memory was 104.9 MB in the beginning and 130.0 MB in the end (delta: 25.2 MB). Free memory was 64.9 MB in the beginning and 69.0 MB in the end (delta: -4.1 MB). Peak memory consumption was 55.8 MB. Max. memory is 16.1 GB. [2021-10-28 23:46:22,427 INFO L168 Benchmark]: BuchiAutomizer took 4333.84 ms. Allocated memory was 130.0 MB in the beginning and 180.4 MB in the end (delta: 50.3 MB). Free memory was 69.0 MB in the beginning and 70.6 MB in the end (delta: -1.6 MB). Peak memory consumption was 48.4 MB. Max. memory is 16.1 GB. [2021-10-28 23:46:22,427 INFO L168 Benchmark]: Witness Printer took 3.62 ms. Allocated memory is still 180.4 MB. Free memory is still 69.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:46:22,430 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 104.9 MB. Free memory was 76.1 MB in the beginning and 76.0 MB in the end (delta: 21.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 886.22 ms. Allocated memory is still 104.9 MB. Free memory was 66.4 MB in the beginning and 53.1 MB in the end (delta: 13.3 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 190.81 ms. Allocated memory is still 104.9 MB. Free memory was 53.1 MB in the beginning and 37.2 MB in the end (delta: 15.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 155.23 ms. Allocated memory is still 104.9 MB. Free memory was 37.2 MB in the beginning and 64.9 MB in the end (delta: -27.6 MB). Peak memory consumption was 14.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2965.34 ms. Allocated memory was 104.9 MB in the beginning and 130.0 MB in the end (delta: 25.2 MB). Free memory was 64.9 MB in the beginning and 69.0 MB in the end (delta: -4.1 MB). Peak memory consumption was 55.8 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 4333.84 ms. Allocated memory was 130.0 MB in the beginning and 180.4 MB in the end (delta: 50.3 MB). Free memory was 69.0 MB in the beginning and 70.6 MB in the end (delta: -1.6 MB). Peak memory consumption was 48.4 MB. Max. memory is 16.1 GB. * Witness Printer took 3.62 ms. Allocated memory is still 180.4 MB. Free memory is still 69.5 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 4 terminating modules (2 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * op2 + 1 and consists of 5 locations. One deterministic module has affine ranking function 7 + -2 * splverifierCounter and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.2s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.2s. Construction of modules took 0.0s. Büchi inclusion checks took 1.4s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 2. Automata minimization 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 1016 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.1s Buchi closure took 0.0s. Biggest automaton had 533 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 4902 SDtfs, 4408 SDslu, 6443 SDs, 0 SdLazy, 26 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT2 lasso0 LassoPreprocessingBenchmarks: Lassos: inital38 mio100 ax100 hnf100 lsp29 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq189 hnf90 smp100 dnf134 smp100 tf108 neg92 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 122ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-28 23:46:22,472 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3939da-deef-4f36-a167-087fc5d689ad/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-28 23:46:22,700 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3939da-deef-4f36-a167-087fc5d689ad/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...