./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/email_spec8_product12.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7c6b3c5-ba87-4389-98c1-4db578ea12e7/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7c6b3c5-ba87-4389-98c1-4db578ea12e7/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7c6b3c5-ba87-4389-98c1-4db578ea12e7/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7c6b3c5-ba87-4389-98c1-4db578ea12e7/bin/uautomizer-UnR33cPsHg/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/email_spec8_product12.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7c6b3c5-ba87-4389-98c1-4db578ea12e7/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7c6b3c5-ba87-4389-98c1-4db578ea12e7/bin/uautomizer-UnR33cPsHg --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash cd09b7e02dd7459ada96201e9b5a915c0f0209c05135bf5a5174f874492a34ab ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 08:49:59,221 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 08:49:59,224 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 08:49:59,280 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 08:49:59,281 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 08:49:59,285 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 08:49:59,287 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 08:49:59,291 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 08:49:59,294 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 08:49:59,299 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 08:49:59,301 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 08:49:59,303 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 08:49:59,303 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 08:49:59,306 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 08:49:59,308 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 08:49:59,312 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 08:49:59,314 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 08:49:59,315 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 08:49:59,321 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 08:49:59,328 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 08:49:59,330 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 08:49:59,331 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 08:49:59,335 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 08:49:59,336 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 08:49:59,345 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 08:49:59,346 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 08:49:59,346 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 08:49:59,348 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 08:49:59,349 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 08:49:59,350 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 08:49:59,351 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 08:49:59,352 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 08:49:59,354 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 08:49:59,355 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 08:49:59,357 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 08:49:59,357 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 08:49:59,358 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 08:49:59,358 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 08:49:59,358 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 08:49:59,359 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 08:49:59,360 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 08:49:59,361 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7c6b3c5-ba87-4389-98c1-4db578ea12e7/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-28 08:49:59,410 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 08:49:59,411 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 08:49:59,411 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 08:49:59,412 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 08:49:59,413 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 08:49:59,413 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 08:49:59,414 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 08:49:59,414 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 08:49:59,414 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 08:49:59,414 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 08:49:59,415 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 08:49:59,416 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 08:49:59,416 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 08:49:59,416 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 08:49:59,416 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 08:49:59,417 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 08:49:59,417 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 08:49:59,417 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 08:49:59,417 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 08:49:59,418 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 08:49:59,418 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 08:49:59,418 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 08:49:59,418 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 08:49:59,419 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 08:49:59,419 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 08:49:59,419 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 08:49:59,420 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 08:49:59,421 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 08:49:59,421 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 08:49:59,421 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 08:49:59,422 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 08:49:59,422 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 08:49:59,423 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 08:49:59,423 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_c7c6b3c5-ba87-4389-98c1-4db578ea12e7/bin/uautomizer-UnR33cPsHg/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7c6b3c5-ba87-4389-98c1-4db578ea12e7/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cd09b7e02dd7459ada96201e9b5a915c0f0209c05135bf5a5174f874492a34ab [2021-10-28 08:49:59,670 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 08:49:59,706 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 08:49:59,709 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 08:49:59,710 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 08:49:59,711 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 08:49:59,712 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7c6b3c5-ba87-4389-98c1-4db578ea12e7/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/product-lines/email_spec8_product12.cil.c [2021-10-28 08:49:59,779 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7c6b3c5-ba87-4389-98c1-4db578ea12e7/bin/uautomizer-UnR33cPsHg/data/b2aecee2c/8c3b4f7df4c54fe4b2807d5523f33abc/FLAG2fbeabc17 [2021-10-28 08:50:00,379 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 08:50:00,380 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7c6b3c5-ba87-4389-98c1-4db578ea12e7/sv-benchmarks/c/product-lines/email_spec8_product12.cil.c [2021-10-28 08:50:00,412 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7c6b3c5-ba87-4389-98c1-4db578ea12e7/bin/uautomizer-UnR33cPsHg/data/b2aecee2c/8c3b4f7df4c54fe4b2807d5523f33abc/FLAG2fbeabc17 [2021-10-28 08:50:00,658 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7c6b3c5-ba87-4389-98c1-4db578ea12e7/bin/uautomizer-UnR33cPsHg/data/b2aecee2c/8c3b4f7df4c54fe4b2807d5523f33abc [2021-10-28 08:50:00,663 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 08:50:00,665 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 08:50:00,667 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 08:50:00,668 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 08:50:00,670 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 08:50:00,671 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 08:50:00" (1/1) ... [2021-10-28 08:50:00,672 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d2b647f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:50:00, skipping insertion in model container [2021-10-28 08:50:00,672 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 08:50:00" (1/1) ... [2021-10-28 08:50:00,682 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 08:50:00,767 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 08:50:01,105 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_c7c6b3c5-ba87-4389-98c1-4db578ea12e7/sv-benchmarks/c/product-lines/email_spec8_product12.cil.c[16969,16982] [2021-10-28 08:50:01,300 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 08:50:01,317 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 08:50:01,388 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_c7c6b3c5-ba87-4389-98c1-4db578ea12e7/sv-benchmarks/c/product-lines/email_spec8_product12.cil.c[16969,16982] [2021-10-28 08:50:01,438 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 08:50:01,480 INFO L208 MainTranslator]: Completed translation [2021-10-28 08:50:01,480 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:50:01 WrapperNode [2021-10-28 08:50:01,480 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 08:50:01,482 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 08:50:01,482 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 08:50:01,482 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 08:50:01,490 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:50:01" (1/1) ... [2021-10-28 08:50:01,527 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:50:01" (1/1) ... [2021-10-28 08:50:01,636 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 08:50:01,637 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 08:50:01,638 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 08:50:01,638 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 08:50:01,646 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:50:01" (1/1) ... [2021-10-28 08:50:01,647 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:50:01" (1/1) ... [2021-10-28 08:50:01,684 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:50:01" (1/1) ... [2021-10-28 08:50:01,684 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:50:01" (1/1) ... [2021-10-28 08:50:01,732 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:50:01" (1/1) ... [2021-10-28 08:50:01,765 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:50:01" (1/1) ... [2021-10-28 08:50:01,776 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:50:01" (1/1) ... [2021-10-28 08:50:01,787 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 08:50:01,788 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 08:50:01,788 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 08:50:01,788 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 08:50:01,789 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:50:01" (1/1) ... [2021-10-28 08:50:01,799 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:50:01,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7c6b3c5-ba87-4389-98c1-4db578ea12e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:50:01,848 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7c6b3c5-ba87-4389-98c1-4db578ea12e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:50:01,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7c6b3c5-ba87-4389-98c1-4db578ea12e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 08:50:01,895 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-10-28 08:50:01,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 08:50:01,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 08:50:01,896 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 08:50:01,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 08:50:03,753 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 08:50:03,753 INFO L299 CfgBuilder]: Removed 231 assume(true) statements. [2021-10-28 08:50:03,756 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:50:03 BoogieIcfgContainer [2021-10-28 08:50:03,756 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 08:50:03,757 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 08:50:03,758 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 08:50:03,761 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 08:50:03,761 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 08:50:03,762 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 08:50:00" (1/3) ... [2021-10-28 08:50:03,763 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3d09a396 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 08:50:03, skipping insertion in model container [2021-10-28 08:50:03,763 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 08:50:03,763 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:50:01" (2/3) ... [2021-10-28 08:50:03,764 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3d09a396 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 08:50:03, skipping insertion in model container [2021-10-28 08:50:03,764 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 08:50:03,764 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:50:03" (3/3) ... [2021-10-28 08:50:03,765 INFO L389 chiAutomizerObserver]: Analyzing ICFG email_spec8_product12.cil.c [2021-10-28 08:50:03,813 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 08:50:03,814 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 08:50:03,814 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 08:50:03,814 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 08:50:03,814 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 08:50:03,814 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 08:50:03,814 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 08:50:03,814 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 08:50:03,848 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 381 states, 380 states have (on average 1.7657894736842106) internal successors, (671), 380 states have internal predecessors, (671), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:50:03,895 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 208 [2021-10-28 08:50:03,895 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 08:50:03,895 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 08:50:03,904 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 08:50:03,905 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-10-28 08:50:03,905 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 08:50:03,907 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 381 states, 380 states have (on average 1.7657894736842106) internal successors, (671), 380 states have internal predecessors, (671), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:50:03,922 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 208 [2021-10-28 08:50:03,931 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 08:50:03,931 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 08:50:03,933 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 08:50:03,933 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-10-28 08:50:03,939 INFO L791 eck$LassoCheckResult]: Stem: 359#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~string42.base, #t~string42.offset := #Ultimate.allocOnStack(44);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(44);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(9);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(11);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(19);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string61.base, #t~string61.offset, 1);call write~init~int(100, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(10, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 3 + #t~string61.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string64.base, #t~string64.offset, 1);call write~init~int(100, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(10, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 3 + #t~string64.offset, 1);call #t~string83.base, #t~string83.offset := #Ultimate.allocOnStack(17);call #t~string86.base, #t~string86.offset := #Ultimate.allocOnStack(17);call #t~string88.base, #t~string88.offset := #Ultimate.allocOnStack(13);call #t~string90.base, #t~string90.offset := #Ultimate.allocOnStack(17);call #t~string94.base, #t~string94.offset := #Ultimate.allocOnStack(10);call #t~string97.base, #t~string97.offset := #Ultimate.allocOnStack(12);call #t~string100.base, #t~string100.offset := #Ultimate.allocOnStack(10);call #t~string103.base, #t~string103.offset := #Ultimate.allocOnStack(18);call #t~string106.base, #t~string106.offset := #Ultimate.allocOnStack(16);call #t~string109.base, #t~string109.offset := #Ultimate.allocOnStack(21);call #t~string113.base, #t~string113.offset := #Ultimate.allocOnStack(10);call #t~string119.base, #t~string119.offset := #Ultimate.allocOnStack(16);call #t~string127.base, #t~string127.offset := #Ultimate.allocOnStack(20);call #t~string131.base, #t~string131.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string131.base, #t~string131.offset, 1);call write~init~int(115, #t~string131.base, 1 + #t~string131.offset, 1);call write~init~int(10, #t~string131.base, 2 + #t~string131.offset, 1);call write~init~int(0, #t~string131.base, 3 + #t~string131.offset, 1);~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_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;~in_encrypted~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~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; 243#L-1true havoc main_#res;havoc main_#t~nondet55, main_#t~ret56, main_~retValue_acc~3, main_~tmp~4;main_~retValue_acc~3 := main_#t~nondet55;havoc main_#t~nondet55;havoc main_~tmp~4; 256#L740true havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; 59#L748true main_#t~ret56 := valid_product_#res;main_~tmp~4 := main_#t~ret56;havoc main_#t~ret56; 326#L594true assume 0 != main_~tmp~4;havoc setup_#t~nondet50, setup_#t~nondet52, setup_#t~nondet54, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.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_tmp3~0.base, setup_~__cil_tmp3~0.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; 53#L2818true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 261#L2824-2true 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; 170#L2383true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 221#L2389-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string49.base, #t~string49.offset;havoc setup_#t~nondet50;~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; 272#L2818-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 126#L2824-5true 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; 138#L2383-2true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 3#L2389-5true setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string51.base, #t~string51.offset;havoc setup_#t~nondet52;~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; 279#L2818-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 139#L2824-8true 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; 325#L2383-4true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 196#L2389-8true setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset := #t~string53.base, #t~string53.offset;havoc setup_#t~nondet54; 380#L581true havoc test_#t~nondet72, test_#t~nondet73, test_#t~nondet74, test_#t~nondet75, test_#t~nondet76, test_#t~nondet77, test_#t~nondet78, test_#t~nondet79, test_#t~nondet80, test_#t~nondet81, test_#t~nondet82, 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~6, test_~tmp___0~2, test_~tmp___1~1, 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~6;havoc test_~tmp___0~2;havoc test_~tmp___1~1;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; 213#L944-1true [2021-10-28 08:50:03,939 INFO L793 eck$LassoCheckResult]: Loop: 213#L944-1true assume !false; 264#L802true assume test_~splverifierCounter~0 < 4; 39#L803true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 365#L809true assume !(0 == test_~op1~0); 298#L822true assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet73;havoc test_#t~nondet73; 179#L827true assume 0 != test_~tmp___8~0;test_~op2~0 := 1; 213#L944-1true [2021-10-28 08:50:03,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:50:03,947 INFO L85 PathProgramCache]: Analyzing trace with hash 1291925977, now seen corresponding path program 1 times [2021-10-28 08:50:03,956 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:50:03,957 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76239392] [2021-10-28 08:50:03,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:50:03,958 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:50:04,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:50:04,310 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 08:50:04,311 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:50:04,311 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76239392] [2021-10-28 08:50:04,312 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [76239392] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:50:04,312 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:50:04,312 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 08:50:04,314 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9126533] [2021-10-28 08:50:04,319 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 08:50:04,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:50:04,320 INFO L85 PathProgramCache]: Analyzing trace with hash 590492675, now seen corresponding path program 1 times [2021-10-28 08:50:04,320 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:50:04,320 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820617381] [2021-10-28 08:50:04,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:50:04,321 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:50:04,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:50:04,333 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 08:50:04,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:50:04,369 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 08:50:04,428 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 08:50:04,429 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 08:50:04,429 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 08:50:04,429 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 08:50:04,429 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-28 08:50:04,429 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:50:04,429 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 08:50:04,429 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 08:50:04,430 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec8_product12.cil.c_Iteration1_Loop [2021-10-28 08:50:04,430 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 08:50:04,430 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 08:50:04,447 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 08:50:04,455 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 08:50:04,461 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 08:50:04,466 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 08:50:04,541 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 08:50:04,541 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-28 08:50:04,543 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:50:04,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7c6b3c5-ba87-4389-98c1-4db578ea12e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:50:04,547 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7c6b3c5-ba87-4389-98c1-4db578ea12e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:50:04,552 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 08:50:04,552 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 08:50:04,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7c6b3c5-ba87-4389-98c1-4db578ea12e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-28 08:50:04,622 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7c6b3c5-ba87-4389-98c1-4db578ea12e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-28 08:50:04,623 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:50:04,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7c6b3c5-ba87-4389-98c1-4db578ea12e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:50:04,624 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7c6b3c5-ba87-4389-98c1-4db578ea12e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:50:04,628 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-28 08:50:04,628 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 08:50:04,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7c6b3c5-ba87-4389-98c1-4db578ea12e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-28 08:50:04,679 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-28 08:50:04,719 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7c6b3c5-ba87-4389-98c1-4db578ea12e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-28 08:50:04,720 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 08:50:04,720 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 08:50:04,720 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 08:50:04,720 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 08:50:04,720 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 08:50:04,720 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:50:04,721 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 08:50:04,721 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 08:50:04,721 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec8_product12.cil.c_Iteration1_Loop [2021-10-28 08:50:04,721 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 08:50:04,721 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 08:50:04,722 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 08:50:04,730 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:50:04,737 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:50:04,743 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 08:50:04,822 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 08:50:04,828 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 08:50:04,833 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:50:04,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7c6b3c5-ba87-4389-98c1-4db578ea12e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:50:04,835 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7c6b3c5-ba87-4389-98c1-4db578ea12e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:50:04,843 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 08:50:04,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7c6b3c5-ba87-4389-98c1-4db578ea12e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-28 08:50:04,852 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:50:04,852 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:50:04,853 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:50:04,853 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:50:04,853 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:50:04,855 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:50:04,856 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:50:04,870 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 08:50:04,891 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-28 08:50:04,892 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-28 08:50:04,893 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:50:04,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7c6b3c5-ba87-4389-98c1-4db578ea12e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:50:04,895 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7c6b3c5-ba87-4389-98c1-4db578ea12e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:50:04,900 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 08:50:04,900 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-28 08:50:04,901 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 08:50:04,901 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 08:50:04,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7c6b3c5-ba87-4389-98c1-4db578ea12e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-28 08:50:04,938 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7c6b3c5-ba87-4389-98c1-4db578ea12e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-28 08:50:04,941 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-28 08:50:04,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:50:05,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:50:05,137 INFO L263 TraceCheckSpWp]: Trace formula consists of 628 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 08:50:05,140 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:50:05,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:50:05,236 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 08:50:05,236 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:50:05,296 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 08:50:05,311 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 08:50:05,313 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 381 states, 380 states have (on average 1.7657894736842106) internal successors, (671), 380 states have internal predecessors, (671), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:50:05,557 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7c6b3c5-ba87-4389-98c1-4db578ea12e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-28 08:50:05,601 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 381 states, 380 states have (on average 1.7657894736842106) internal successors, (671), 380 states have internal predecessors, (671), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 1582 states and 2774 transitions. Complement of second has 7 states. [2021-10-28 08:50:05,602 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 08:50:05,603 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 08:50:05,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1534 transitions. [2021-10-28 08:50:05,608 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1534 transitions. Stem has 18 letters. Loop has 6 letters. [2021-10-28 08:50:05,609 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 08:50:05,609 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1534 transitions. Stem has 24 letters. Loop has 6 letters. [2021-10-28 08:50:05,610 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 08:50:05,610 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1534 transitions. Stem has 18 letters. Loop has 12 letters. [2021-10-28 08:50:05,611 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 08:50:05,611 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1582 states and 2774 transitions. [2021-10-28 08:50:05,633 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 415 [2021-10-28 08:50:05,648 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1582 states to 863 states and 1568 transitions. [2021-10-28 08:50:05,649 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 446 [2021-10-28 08:50:05,651 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 447 [2021-10-28 08:50:05,652 INFO L73 IsDeterministic]: Start isDeterministic. Operand 863 states and 1568 transitions. [2021-10-28 08:50:05,652 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 08:50:05,652 INFO L681 BuchiCegarLoop]: Abstraction has 863 states and 1568 transitions. [2021-10-28 08:50:05,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 863 states and 1568 transitions. [2021-10-28 08:50:05,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 863 to 448. [2021-10-28 08:50:05,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 448 states, 448 states have (on average 1.8102678571428572) internal successors, (811), 447 states have internal predecessors, (811), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:50:05,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 811 transitions. [2021-10-28 08:50:05,726 INFO L704 BuchiCegarLoop]: Abstraction has 448 states and 811 transitions. [2021-10-28 08:50:05,726 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:50:05,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:50:05,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:50:05,734 INFO L87 Difference]: Start difference. First operand 448 states and 811 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:50:05,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:50:05,797 INFO L93 Difference]: Finished difference Result 876 states and 1587 transitions. [2021-10-28 08:50:05,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:50:05,798 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 876 states and 1587 transitions. [2021-10-28 08:50:05,807 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 416 [2021-10-28 08:50:05,818 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 876 states to 876 states and 1587 transitions. [2021-10-28 08:50:05,818 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 458 [2021-10-28 08:50:05,819 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 458 [2021-10-28 08:50:05,820 INFO L73 IsDeterministic]: Start isDeterministic. Operand 876 states and 1587 transitions. [2021-10-28 08:50:05,820 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 08:50:05,820 INFO L681 BuchiCegarLoop]: Abstraction has 876 states and 1587 transitions. [2021-10-28 08:50:05,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 876 states and 1587 transitions. [2021-10-28 08:50:05,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 876 to 447. [2021-10-28 08:50:05,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 447 states, 447 states have (on average 1.8053691275167785) internal successors, (807), 446 states have internal predecessors, (807), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:50:05,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 447 states and 807 transitions. [2021-10-28 08:50:05,851 INFO L704 BuchiCegarLoop]: Abstraction has 447 states and 807 transitions. [2021-10-28 08:50:05,851 INFO L587 BuchiCegarLoop]: Abstraction has 447 states and 807 transitions. [2021-10-28 08:50:05,851 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-28 08:50:05,851 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 447 states and 807 transitions. [2021-10-28 08:50:05,854 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 208 [2021-10-28 08:50:05,854 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 08:50:05,854 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 08:50:05,857 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 08:50:05,858 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:50:05,858 INFO L791 eck$LassoCheckResult]: Stem: 3831#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~string42.base, #t~string42.offset := #Ultimate.allocOnStack(44);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(44);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(9);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(11);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(19);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string61.base, #t~string61.offset, 1);call write~init~int(100, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(10, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 3 + #t~string61.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string64.base, #t~string64.offset, 1);call write~init~int(100, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(10, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 3 + #t~string64.offset, 1);call #t~string83.base, #t~string83.offset := #Ultimate.allocOnStack(17);call #t~string86.base, #t~string86.offset := #Ultimate.allocOnStack(17);call #t~string88.base, #t~string88.offset := #Ultimate.allocOnStack(13);call #t~string90.base, #t~string90.offset := #Ultimate.allocOnStack(17);call #t~string94.base, #t~string94.offset := #Ultimate.allocOnStack(10);call #t~string97.base, #t~string97.offset := #Ultimate.allocOnStack(12);call #t~string100.base, #t~string100.offset := #Ultimate.allocOnStack(10);call #t~string103.base, #t~string103.offset := #Ultimate.allocOnStack(18);call #t~string106.base, #t~string106.offset := #Ultimate.allocOnStack(16);call #t~string109.base, #t~string109.offset := #Ultimate.allocOnStack(21);call #t~string113.base, #t~string113.offset := #Ultimate.allocOnStack(10);call #t~string119.base, #t~string119.offset := #Ultimate.allocOnStack(16);call #t~string127.base, #t~string127.offset := #Ultimate.allocOnStack(20);call #t~string131.base, #t~string131.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string131.base, #t~string131.offset, 1);call write~init~int(115, #t~string131.base, 1 + #t~string131.offset, 1);call write~init~int(10, #t~string131.base, 2 + #t~string131.offset, 1);call write~init~int(0, #t~string131.base, 3 + #t~string131.offset, 1);~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_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;~in_encrypted~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~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; 3768#L-1 havoc main_#res;havoc main_#t~nondet55, main_#t~ret56, main_~retValue_acc~3, main_~tmp~4;main_~retValue_acc~3 := main_#t~nondet55;havoc main_#t~nondet55;havoc main_~tmp~4; 3769#L740 havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; 3517#L748 main_#t~ret56 := valid_product_#res;main_~tmp~4 := main_#t~ret56;havoc main_#t~ret56; 3518#L594 assume 0 != main_~tmp~4;havoc setup_#t~nondet50, setup_#t~nondet52, setup_#t~nondet54, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.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_tmp3~0.base, setup_~__cil_tmp3~0.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; 3500#L2818 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 3485#L2824-2 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; 3699#L2383 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 3700#L2389-2 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string49.base, #t~string49.offset;havoc setup_#t~nondet50;~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; 3754#L2818-2 assume !(1 == setClientId_~handle); 3776#L2821-2 assume 2 == setClientId_~handle;~__ste_client_idCounter1~0 := setClientId_~value; 3650#L2824-5 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; 3651#L2383-2 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 3386#L2389-5 setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string51.base, #t~string51.offset;havoc setup_#t~nondet52;~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; 3387#L2818-4 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 3669#L2824-8 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; 3670#L2383-4 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 3642#L2389-8 setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset := #t~string53.base, #t~string53.offset;havoc setup_#t~nondet54; 3733#L581 havoc test_#t~nondet72, test_#t~nondet73, test_#t~nondet74, test_#t~nondet75, test_#t~nondet76, test_#t~nondet77, test_#t~nondet78, test_#t~nondet79, test_#t~nondet80, test_#t~nondet81, test_#t~nondet82, 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~6, test_~tmp___0~2, test_~tmp___1~1, 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~6;havoc test_~tmp___0~2;havoc test_~tmp___1~1;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; 3832#L944-1 assume !false; 3746#L802 [2021-10-28 08:50:05,858 INFO L793 eck$LassoCheckResult]: Loop: 3746#L802 assume test_~splverifierCounter~0 < 4; 3487#L803 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 3488#L809 assume !(0 == test_~op1~0); 3541#L822 assume !(0 == test_~op2~0); 3553#L833 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet74;havoc test_#t~nondet74; 3501#L838 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; 3503#L2383-6 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 3393#L2389-11 test_~op3~0 := 1; 3496#L944-1 assume !false; 3746#L802 [2021-10-28 08:50:05,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:50:05,859 INFO L85 PathProgramCache]: Analyzing trace with hash -953559564, now seen corresponding path program 1 times [2021-10-28 08:50:05,859 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:50:05,859 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089672782] [2021-10-28 08:50:05,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:50:05,860 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:50:05,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:50:06,049 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 08:50:06,050 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:50:06,050 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089672782] [2021-10-28 08:50:06,050 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1089672782] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:50:06,050 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:50:06,051 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 08:50:06,051 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558187926] [2021-10-28 08:50:06,051 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 08:50:06,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:50:06,052 INFO L85 PathProgramCache]: Analyzing trace with hash -1296812605, now seen corresponding path program 1 times [2021-10-28 08:50:06,052 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:50:06,052 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512469765] [2021-10-28 08:50:06,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:50:06,053 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:50:06,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:50:06,062 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 08:50:06,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:50:06,098 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 08:50:06,220 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 08:50:06,220 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 08:50:06,221 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 08:50:06,221 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 08:50:06,221 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-28 08:50:06,221 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:50:06,221 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 08:50:06,221 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 08:50:06,221 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec8_product12.cil.c_Iteration2_Loop [2021-10-28 08:50:06,222 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 08:50:06,222 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 08:50:06,224 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 08:50:06,230 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 08:50:06,236 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 08:50:06,245 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 08:50:06,252 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 08:50:06,258 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 08:50:06,260 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 08:50:06,386 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 08:50:06,386 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-28 08:50:06,386 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:50:06,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7c6b3c5-ba87-4389-98c1-4db578ea12e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:50:06,391 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7c6b3c5-ba87-4389-98c1-4db578ea12e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:50:06,403 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 08:50:06,404 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 08:50:06,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7c6b3c5-ba87-4389-98c1-4db578ea12e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-28 08:50:06,466 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7c6b3c5-ba87-4389-98c1-4db578ea12e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-28 08:50:06,466 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:50:06,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7c6b3c5-ba87-4389-98c1-4db578ea12e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:50:06,467 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7c6b3c5-ba87-4389-98c1-4db578ea12e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:50:06,473 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-28 08:50:06,473 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 08:50:06,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7c6b3c5-ba87-4389-98c1-4db578ea12e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-28 08:50:06,531 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-28 08:50:06,538 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7c6b3c5-ba87-4389-98c1-4db578ea12e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-28 08:50:06,538 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 08:50:06,538 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 08:50:06,539 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 08:50:06,539 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 08:50:06,539 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 08:50:06,539 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:50:06,539 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 08:50:06,539 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 08:50:06,539 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec8_product12.cil.c_Iteration2_Loop [2021-10-28 08:50:06,539 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 08:50:06,539 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 08:50:06,541 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 08:50:06,552 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:50:06,558 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 08:50:06,561 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 08:50:06,566 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 08:50:06,572 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 08:50:06,574 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 08:50:06,686 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 08:50:06,686 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 08:50:06,686 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:50:06,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7c6b3c5-ba87-4389-98c1-4db578ea12e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:50:06,691 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7c6b3c5-ba87-4389-98c1-4db578ea12e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:50:06,693 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 08:50:06,702 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:50:06,703 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:50:06,703 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:50:06,703 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:50:06,703 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:50:06,704 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:50:06,704 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:50:06,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7c6b3c5-ba87-4389-98c1-4db578ea12e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-28 08:50:06,723 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 08:50:06,725 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-28 08:50:06,726 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-28 08:50:06,726 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:50:06,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7c6b3c5-ba87-4389-98c1-4db578ea12e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:50:06,731 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7c6b3c5-ba87-4389-98c1-4db578ea12e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:50:06,737 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 08:50:06,737 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-28 08:50:06,737 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 08:50:06,737 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 08:50:06,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7c6b3c5-ba87-4389-98c1-4db578ea12e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-28 08:50:06,777 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7c6b3c5-ba87-4389-98c1-4db578ea12e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-28 08:50:06,777 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-28 08:50:06,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:50:06,943 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7c6b3c5-ba87-4389-98c1-4db578ea12e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-28 08:50:06,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:50:06,959 INFO L263 TraceCheckSpWp]: Trace formula consists of 630 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 08:50:06,961 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:50:07,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:50:07,057 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 08:50:07,057 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:50:07,170 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 08:50:07,170 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 08:50:07,171 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 447 states and 807 transitions. cyclomatic complexity: 362 Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:50:07,203 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 447 states and 807 transitions. cyclomatic complexity: 362. Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 867 states and 1573 transitions. Complement of second has 6 states. [2021-10-28 08:50:07,203 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 08:50:07,203 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 08:50:07,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 426 transitions. [2021-10-28 08:50:07,204 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 426 transitions. Stem has 20 letters. Loop has 9 letters. [2021-10-28 08:50:07,205 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 08:50:07,205 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 426 transitions. Stem has 29 letters. Loop has 9 letters. [2021-10-28 08:50:07,206 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 08:50:07,206 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 426 transitions. Stem has 20 letters. Loop has 18 letters. [2021-10-28 08:50:07,206 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 08:50:07,207 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 867 states and 1573 transitions. [2021-10-28 08:50:07,215 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 08:50:07,215 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 867 states to 0 states and 0 transitions. [2021-10-28 08:50:07,216 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-28 08:50:07,216 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-28 08:50:07,216 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-28 08:50:07,216 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 08:50:07,216 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 08:50:07,216 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 08:50:07,216 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:50:07,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 08:50:07,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 08:50:07,217 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 08:50:07,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:50:07,218 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2021-10-28 08:50:07,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-28 08:50:07,218 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2021-10-28 08:50:07,218 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 08:50:07,218 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 08:50:07,218 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-28 08:50:07,218 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-28 08:50:07,218 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-28 08:50:07,219 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 08:50:07,219 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 08:50:07,219 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 08:50:07,219 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 08:50:07,219 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-28 08:50:07,219 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-28 08:50:07,219 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 08:50:07,219 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-28 08:50:07,225 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 08:50:07 BoogieIcfgContainer [2021-10-28 08:50:07,225 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 08:50:07,226 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 08:50:07,226 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 08:50:07,226 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 08:50:07,226 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:50:03" (3/4) ... [2021-10-28 08:50:07,229 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 08:50:07,229 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 08:50:07,231 INFO L168 Benchmark]: Toolchain (without parser) took 6565.06 ms. Allocated memory was 121.6 MB in the beginning and 213.9 MB in the end (delta: 92.3 MB). Free memory was 90.3 MB in the beginning and 137.5 MB in the end (delta: -47.2 MB). Peak memory consumption was 45.8 MB. Max. memory is 16.1 GB. [2021-10-28 08:50:07,231 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 121.6 MB. Free memory is still 74.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 08:50:07,232 INFO L168 Benchmark]: CACSL2BoogieTranslator took 813.64 ms. Allocated memory is still 121.6 MB. Free memory was 90.0 MB in the beginning and 69.6 MB in the end (delta: 20.4 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2021-10-28 08:50:07,233 INFO L168 Benchmark]: Boogie Procedure Inliner took 155.18 ms. Allocated memory is still 121.6 MB. Free memory was 69.6 MB in the beginning and 61.7 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 08:50:07,233 INFO L168 Benchmark]: Boogie Preprocessor took 149.74 ms. Allocated memory was 121.6 MB in the beginning and 146.8 MB in the end (delta: 25.2 MB). Free memory was 61.7 MB in the beginning and 115.9 MB in the end (delta: -54.2 MB). Peak memory consumption was 13.5 MB. Max. memory is 16.1 GB. [2021-10-28 08:50:07,234 INFO L168 Benchmark]: RCFGBuilder took 1968.72 ms. Allocated memory is still 146.8 MB. Free memory was 115.9 MB in the beginning and 74.0 MB in the end (delta: 42.0 MB). Peak memory consumption was 69.2 MB. Max. memory is 16.1 GB. [2021-10-28 08:50:07,234 INFO L168 Benchmark]: BuchiAutomizer took 3467.71 ms. Allocated memory was 146.8 MB in the beginning and 213.9 MB in the end (delta: 67.1 MB). Free memory was 74.0 MB in the beginning and 137.5 MB in the end (delta: -63.5 MB). Peak memory consumption was 3.6 MB. Max. memory is 16.1 GB. [2021-10-28 08:50:07,235 INFO L168 Benchmark]: Witness Printer took 3.61 ms. Allocated memory is still 213.9 MB. Free memory is still 137.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 08:50:07,238 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 121.6 MB. Free memory is still 74.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 813.64 ms. Allocated memory is still 121.6 MB. Free memory was 90.0 MB in the beginning and 69.6 MB in the end (delta: 20.4 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 155.18 ms. Allocated memory is still 121.6 MB. Free memory was 69.6 MB in the beginning and 61.7 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 149.74 ms. Allocated memory was 121.6 MB in the beginning and 146.8 MB in the end (delta: 25.2 MB). Free memory was 61.7 MB in the beginning and 115.9 MB in the end (delta: -54.2 MB). Peak memory consumption was 13.5 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1968.72 ms. Allocated memory is still 146.8 MB. Free memory was 115.9 MB in the beginning and 74.0 MB in the end (delta: 42.0 MB). Peak memory consumption was 69.2 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 3467.71 ms. Allocated memory was 146.8 MB in the beginning and 213.9 MB in the end (delta: 67.1 MB). Free memory was 74.0 MB in the beginning and 137.5 MB in the end (delta: -63.5 MB). Peak memory consumption was 3.6 MB. Max. memory is 16.1 GB. * Witness Printer took 3.61 ms. Allocated memory is still 213.9 MB. Free memory is still 137.5 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 3.4s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.9s. Construction of modules took 0.0s. Büchi inclusion checks took 1.1s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 844 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 447 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 2524 SDtfs, 2112 SDslu, 2999 SDs, 0 SdLazy, 26 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT2 lasso0 LassoPreprocessingBenchmarks: Lassos: inital38 mio100 ax100 hnf100 lsp29 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq189 hnf90 smp100 dnf134 smp100 tf108 neg92 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 68ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-28 08:50:07,287 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7c6b3c5-ba87-4389-98c1-4db578ea12e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...