./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/email_spec8_product26.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8238237e-962c-43fd-a039-dcee748a7e40/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8238237e-962c-43fd-a039-dcee748a7e40/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8238237e-962c-43fd-a039-dcee748a7e40/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8238237e-962c-43fd-a039-dcee748a7e40/bin/uautomizer-j4sWxH34Be/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/email_spec8_product26.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8238237e-962c-43fd-a039-dcee748a7e40/bin/uautomizer-j4sWxH34Be/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8238237e-962c-43fd-a039-dcee748a7e40/bin/uautomizer-j4sWxH34Be --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 5be9e48e11f5f92f9ccb04262780ea6fa0bae40b757b81b8e52fca7547f54831 ................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 20:20:03,547 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 20:20:03,549 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 20:20:03,598 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 20:20:03,598 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 20:20:03,603 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 20:20:03,605 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 20:20:03,609 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 20:20:03,612 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 20:20:03,619 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 20:20:03,620 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 20:20:03,622 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 20:20:03,622 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 20:20:03,625 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 20:20:03,627 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 20:20:03,633 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 20:20:03,634 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 20:20:03,635 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 20:20:03,637 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 20:20:03,645 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 20:20:03,646 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 20:20:03,649 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 20:20:03,652 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 20:20:03,653 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 20:20:03,658 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 20:20:03,658 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 20:20:03,659 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 20:20:03,661 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 20:20:03,661 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 20:20:03,663 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 20:20:03,664 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 20:20:03,665 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 20:20:03,667 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 20:20:03,668 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 20:20:03,669 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 20:20:03,670 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 20:20:03,670 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 20:20:03,671 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 20:20:03,671 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 20:20:03,672 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 20:20:03,673 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 20:20:03,674 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8238237e-962c-43fd-a039-dcee748a7e40/bin/uautomizer-j4sWxH34Be/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-21 20:20:03,725 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 20:20:03,725 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 20:20:03,726 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 20:20:03,726 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 20:20:03,727 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 20:20:03,727 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 20:20:03,728 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 20:20:03,728 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-21 20:20:03,728 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-21 20:20:03,728 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-21 20:20:03,729 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-21 20:20:03,729 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-21 20:20:03,730 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-21 20:20:03,730 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 20:20:03,730 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 20:20:03,730 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-21 20:20:03,731 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 20:20:03,731 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 20:20:03,731 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 20:20:03,731 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-21 20:20:03,731 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-21 20:20:03,732 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-21 20:20:03,732 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 20:20:03,732 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 20:20:03,732 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-21 20:20:03,732 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 20:20:03,734 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-21 20:20:03,735 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 20:20:03,735 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 20:20:03,735 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 20:20:03,735 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 20:20:03,736 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 20:20:03,737 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-21 20:20:03,737 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_8238237e-962c-43fd-a039-dcee748a7e40/bin/uautomizer-j4sWxH34Be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8238237e-962c-43fd-a039-dcee748a7e40/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5be9e48e11f5f92f9ccb04262780ea6fa0bae40b757b81b8e52fca7547f54831 [2021-10-21 20:20:04,072 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 20:20:04,102 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 20:20:04,105 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 20:20:04,107 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 20:20:04,108 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 20:20:04,109 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8238237e-962c-43fd-a039-dcee748a7e40/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/product-lines/email_spec8_product26.cil.c [2021-10-21 20:20:04,180 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8238237e-962c-43fd-a039-dcee748a7e40/bin/uautomizer-j4sWxH34Be/data/3c67d7b39/14314397517a4e85926e82506516570b/FLAG9ef67c668 [2021-10-21 20:20:04,783 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 20:20:04,784 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8238237e-962c-43fd-a039-dcee748a7e40/sv-benchmarks/c/product-lines/email_spec8_product26.cil.c [2021-10-21 20:20:04,805 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8238237e-962c-43fd-a039-dcee748a7e40/bin/uautomizer-j4sWxH34Be/data/3c67d7b39/14314397517a4e85926e82506516570b/FLAG9ef67c668 [2021-10-21 20:20:04,999 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8238237e-962c-43fd-a039-dcee748a7e40/bin/uautomizer-j4sWxH34Be/data/3c67d7b39/14314397517a4e85926e82506516570b [2021-10-21 20:20:05,003 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 20:20:05,007 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 20:20:05,009 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 20:20:05,009 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 20:20:05,013 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 20:20:05,013 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:20:05" (1/1) ... [2021-10-21 20:20:05,016 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44319a74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:20:05, skipping insertion in model container [2021-10-21 20:20:05,016 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:20:05" (1/1) ... [2021-10-21 20:20:05,022 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 20:20:05,101 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 20:20:05,499 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_8238237e-962c-43fd-a039-dcee748a7e40/sv-benchmarks/c/product-lines/email_spec8_product26.cil.c[14808,14821] [2021-10-21 20:20:05,716 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:20:05,727 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 20:20:05,786 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_8238237e-962c-43fd-a039-dcee748a7e40/sv-benchmarks/c/product-lines/email_spec8_product26.cil.c[14808,14821] [2021-10-21 20:20:05,905 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:20:05,958 INFO L208 MainTranslator]: Completed translation [2021-10-21 20:20:05,959 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:20:05 WrapperNode [2021-10-21 20:20:05,959 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 20:20:05,960 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 20:20:05,960 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 20:20:05,960 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 20:20:05,971 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:20:05" (1/1) ... [2021-10-21 20:20:06,033 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:20:05" (1/1) ... [2021-10-21 20:20:06,221 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 20:20:06,222 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 20:20:06,222 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 20:20:06,222 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 20:20:06,230 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:20:05" (1/1) ... [2021-10-21 20:20:06,231 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:20:05" (1/1) ... [2021-10-21 20:20:06,254 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:20:05" (1/1) ... [2021-10-21 20:20:06,254 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:20:05" (1/1) ... [2021-10-21 20:20:06,371 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:20:05" (1/1) ... [2021-10-21 20:20:06,427 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:20:05" (1/1) ... [2021-10-21 20:20:06,442 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:20:05" (1/1) ... [2021-10-21 20:20:06,466 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 20:20:06,467 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 20:20:06,468 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 20:20:06,468 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 20:20:06,470 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:20:05" (1/1) ... [2021-10-21 20:20:06,477 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:20:06,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8238237e-962c-43fd-a039-dcee748a7e40/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:20:06,509 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8238237e-962c-43fd-a039-dcee748a7e40/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:20:06,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8238237e-962c-43fd-a039-dcee748a7e40/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-21 20:20:06,561 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-10-21 20:20:06,561 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 20:20:06,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-21 20:20:06,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 20:20:06,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 20:20:09,512 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 20:20:09,513 INFO L299 CfgBuilder]: Removed 725 assume(true) statements. [2021-10-21 20:20:09,516 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:20:09 BoogieIcfgContainer [2021-10-21 20:20:09,516 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 20:20:09,517 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-21 20:20:09,517 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-21 20:20:09,521 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-21 20:20:09,521 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 20:20:09,522 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.10 08:20:05" (1/3) ... [2021-10-21 20:20:09,523 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@73e92c3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 08:20:09, skipping insertion in model container [2021-10-21 20:20:09,523 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 20:20:09,523 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:20:05" (2/3) ... [2021-10-21 20:20:09,524 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@73e92c3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 08:20:09, skipping insertion in model container [2021-10-21 20:20:09,524 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 20:20:09,524 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:20:09" (3/3) ... [2021-10-21 20:20:09,525 INFO L389 chiAutomizerObserver]: Analyzing ICFG email_spec8_product26.cil.c [2021-10-21 20:20:09,568 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-21 20:20:09,568 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-21 20:20:09,568 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-21 20:20:09,568 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-21 20:20:09,568 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-21 20:20:09,569 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-21 20:20:09,569 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-21 20:20:09,569 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-21 20:20:09,640 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 1032 states, 1031 states have (on average 1.7235693501454898) internal successors, (1777), 1031 states have internal predecessors, (1777), 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) [2021-10-21 20:20:09,715 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 259 [2021-10-21 20:20:09,716 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:20:09,716 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:20:09,725 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:20:09,725 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:20:09,726 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-21 20:20:09,729 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 1032 states, 1031 states have (on average 1.7235693501454898) internal successors, (1777), 1031 states have internal predecessors, (1777), 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) [2021-10-21 20:20:09,747 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 259 [2021-10-21 20:20:09,747 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:20:09,748 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:20:09,750 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:20:09,751 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:20:09,756 INFO L791 eck$LassoCheckResult]: Stem: 498#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(28);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(44);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(44);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(9);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(9);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(11);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(19);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string25.base, #t~string25.offset, 1);call write~init~int(100, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(10, #t~string25.base, 2 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 3 + #t~string25.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string28.base, #t~string28.offset, 1);call write~init~int(100, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(10, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 3 + #t~string28.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(17);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(17);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(13);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(17);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(10);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(34);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(16);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(20);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(22);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(21);call #t~string94.base, #t~string94.offset := #Ultimate.allocOnStack(30);call #t~string95.base, #t~string95.offset := #Ultimate.allocOnStack(9);call #t~string96.base, #t~string96.offset := #Ultimate.allocOnStack(21);call #t~string97.base, #t~string97.offset := #Ultimate.allocOnStack(30);call #t~string98.base, #t~string98.offset := #Ultimate.allocOnStack(9);call #t~string99.base, #t~string99.offset := #Ultimate.allocOnStack(21);call #t~string103.base, #t~string103.offset := #Ultimate.allocOnStack(30);call #t~string104.base, #t~string104.offset := #Ultimate.allocOnStack(9);call #t~string105.base, #t~string105.offset := #Ultimate.allocOnStack(25);call #t~string106.base, #t~string106.offset := #Ultimate.allocOnStack(30);call #t~string107.base, #t~string107.offset := #Ultimate.allocOnStack(9);call #t~string108.base, #t~string108.offset := #Ultimate.allocOnStack(25);call #t~string123.base, #t~string123.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string123.base, #t~string123.offset, 1);call write~init~int(115, #t~string123.base, 1 + #t~string123.offset, 1);call write~init~int(10, #t~string123.base, 2 + #t~string123.offset, 1);call write~init~int(0, #t~string123.base, 3 + #t~string123.offset, 1);call #t~string126.base, #t~string126.offset := #Ultimate.allocOnStack(10);call #t~string129.base, #t~string129.offset := #Ultimate.allocOnStack(12);call #t~string132.base, #t~string132.offset := #Ultimate.allocOnStack(10);call #t~string135.base, #t~string135.offset := #Ultimate.allocOnStack(18);call #t~string138.base, #t~string138.offset := #Ultimate.allocOnStack(16);call #t~string141.base, #t~string141.offset := #Ultimate.allocOnStack(21);~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~in_encrypted~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~head~0.base, ~head~0.offset := 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;~__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; 934#L-1true havoc main_#res;havoc main_#t~ret20, main_~retValue_acc~0, main_~tmp~1;havoc main_~retValue_acc~0;havoc main_~tmp~1; 191#L1414true havoc valid_product_#res;havoc valid_product_~retValue_acc~10;havoc valid_product_~retValue_acc~10;valid_product_~retValue_acc~10 := 1;valid_product_#res := valid_product_~retValue_acc~10; 406#L1422true main_#t~ret20 := valid_product_#res;main_~tmp~1 := main_#t~ret20;havoc main_#t~ret20; 956#L236true assume 0 != main_~tmp~1;havoc setup_#t~nondet15, setup_#t~nondet17, setup_#t~nondet19, 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; 765#L2994true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 296#L3000-2true 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; 194#L2559true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 450#L2565-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string14.base, #t~string14.offset;havoc setup_#t~nondet15;~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; 998#L2994-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 343#L3000-5true 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; 706#L2559-2true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 145#L2565-5true setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string16.base, #t~string16.offset;havoc setup_#t~nondet17;~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; 309#L2994-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 29#L3000-8true 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; 935#L2559-4true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 425#L2565-8true setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset := #t~string18.base, #t~string18.offset;havoc setup_#t~nondet19; 63#L223true havoc test_#t~nondet111, test_#t~nondet112, test_#t~nondet113, test_#t~nondet114, test_#t~nondet115, test_#t~nondet116, test_#t~nondet117, test_#t~nondet118, test_#t~nondet119, test_#t~nondet120, test_#t~nondet121, 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~17, test_~tmp___0~5, test_~tmp___1~3, test_~tmp___2~2, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~17;havoc test_~tmp___0~5;havoc test_~tmp___1~3;havoc test_~tmp___2~2;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 949#L1361-1true [2021-10-21 20:20:09,757 INFO L793 eck$LassoCheckResult]: Loop: 949#L1361-1true assume !false; 35#L1210true assume test_~splverifierCounter~0 < 4; 66#L1211true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 711#L1217true assume !(0 == test_~op1~0); 382#L1230true assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet112;havoc test_#t~nondet112; 942#L1235true assume 0 != test_~tmp___8~0;setClientAutoResponse_#in~handle, setClientAutoResponse_#in~value := ~rjh~0, 1;havoc setClientAutoResponse_~handle, setClientAutoResponse_~value;setClientAutoResponse_~handle := setClientAutoResponse_#in~handle;setClientAutoResponse_~value := setClientAutoResponse_#in~value; 771#L2512true assume 1 == setClientAutoResponse_~handle;~__ste_client_autoResponse0~0 := setClientAutoResponse_~value; 302#L2518-2true test_~op2~0 := 1; 949#L1361-1true [2021-10-21 20:20:09,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:20:09,763 INFO L82 PathProgramCache]: Analyzing trace with hash 1291925977, now seen corresponding path program 1 times [2021-10-21 20:20:09,772 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:20:09,772 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978272451] [2021-10-21 20:20:09,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:20:09,774 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:20:10,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:20:10,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:20:10,191 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:20:10,192 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1978272451] [2021-10-21 20:20:10,193 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1978272451] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:20:10,194 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:20:10,195 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:20:10,196 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513368794] [2021-10-21 20:20:10,211 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 20:20:10,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:20:10,214 INFO L82 PathProgramCache]: Analyzing trace with hash 527790547, now seen corresponding path program 1 times [2021-10-21 20:20:10,215 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:20:10,215 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44626193] [2021-10-21 20:20:10,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:20:10,216 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:20:10,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:20:10,239 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:20:10,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:20:10,311 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:20:10,433 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:20:10,434 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:20:10,434 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:20:10,434 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:20:10,434 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-21 20:20:10,435 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:20:10,435 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:20:10,435 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:20:10,435 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec8_product26.cil.c_Iteration1_Loop [2021-10-21 20:20:10,435 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:20:10,436 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:20:10,455 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:20:10,464 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:20:10,470 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:20:10,482 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:20:10,489 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:20:10,497 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:20:10,615 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:20:10,615 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-21 20:20:10,617 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:20:10,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8238237e-962c-43fd-a039-dcee748a7e40/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:20:10,624 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8238237e-962c-43fd-a039-dcee748a7e40/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:20:10,628 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 20:20:10,628 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:20:10,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8238237e-962c-43fd-a039-dcee748a7e40/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-21 20:20:10,699 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8238237e-962c-43fd-a039-dcee748a7e40/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-21 20:20:10,700 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:20:10,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8238237e-962c-43fd-a039-dcee748a7e40/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:20:10,701 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8238237e-962c-43fd-a039-dcee748a7e40/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:20:10,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8238237e-962c-43fd-a039-dcee748a7e40/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-21 20:20:10,708 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-21 20:20:10,709 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:20:10,752 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-21 20:20:10,757 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8238237e-962c-43fd-a039-dcee748a7e40/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-21 20:20:10,758 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:20:10,758 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:20:10,758 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:20:10,758 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:20:10,758 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 20:20:10,758 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:20:10,758 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:20:10,758 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:20:10,758 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec8_product26.cil.c_Iteration1_Loop [2021-10-21 20:20:10,759 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:20:10,759 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:20:10,760 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:20:10,779 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:20:10,785 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:20:10,799 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:20:10,805 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:20:10,812 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:20:10,921 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:20:10,925 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 20:20:10,927 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:20:10,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8238237e-962c-43fd-a039-dcee748a7e40/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:20:10,932 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8238237e-962c-43fd-a039-dcee748a7e40/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:20:10,937 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 [2021-10-21 20:20:10,947 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:20:10,947 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:20:10,947 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:20:10,948 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:20:10,948 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:20:10,950 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:20:10,950 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:20:10,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8238237e-962c-43fd-a039-dcee748a7e40/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-21 20:20:10,967 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 20:20:10,980 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-21 20:20:10,981 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-21 20:20:10,982 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:20:10,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8238237e-962c-43fd-a039-dcee748a7e40/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:20:11,015 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8238237e-962c-43fd-a039-dcee748a7e40/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:20:11,038 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 20:20:11,038 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-21 20:20:11,039 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 20:20:11,040 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 7 Supporting invariants [] [2021-10-21 20:20:11,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8238237e-962c-43fd-a039-dcee748a7e40/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-21 20:20:11,081 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8238237e-962c-43fd-a039-dcee748a7e40/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-21 20:20:11,083 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-21 20:20:11,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:20:11,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:20:11,373 INFO L263 TraceCheckSpWp]: Trace formula consists of 651 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 20:20:11,376 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:20:11,382 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8238237e-962c-43fd-a039-dcee748a7e40/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-21 20:20:11,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:20:11,481 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 20:20:11,483 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:20:11,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:20:11,619 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 [2021-10-21 20:20:11,622 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 1032 states, 1031 states have (on average 1.7235693501454898) internal successors, (1777), 1031 states have internal predecessors, (1777), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:20:11,880 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 1032 states, 1031 states have (on average 1.7235693501454898) internal successors, (1777), 1031 states have internal predecessors, (1777), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 2783 states and 4754 transitions. Complement of second has 7 states. [2021-10-21 20:20:11,880 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 [2021-10-21 20:20:11,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:20:11,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 3030 transitions. [2021-10-21 20:20:11,888 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 3030 transitions. Stem has 18 letters. Loop has 8 letters. [2021-10-21 20:20:11,890 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:20:11,890 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 3030 transitions. Stem has 26 letters. Loop has 8 letters. [2021-10-21 20:20:11,890 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:20:11,890 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 3030 transitions. Stem has 18 letters. Loop has 16 letters. [2021-10-21 20:20:11,892 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:20:11,892 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2783 states and 4754 transitions. [2021-10-21 20:20:11,929 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-21 20:20:11,932 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2783 states to 0 states and 0 transitions. [2021-10-21 20:20:11,933 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-21 20:20:11,933 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-21 20:20:11,933 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-21 20:20:11,933 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:20:11,934 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 20:20:11,934 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 20:20:11,934 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:20:11,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:20:11,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:20:11,939 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:20:11,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:20:11,942 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2021-10-21 20:20:11,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-21 20:20:11,942 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2021-10-21 20:20:11,943 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-21 20:20:11,943 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2021-10-21 20:20:11,943 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-21 20:20:11,943 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-21 20:20:11,943 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-21 20:20:11,943 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:20:11,945 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 20:20:11,945 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 20:20:11,945 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 20:20:11,945 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-21 20:20:11,945 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-21 20:20:11,945 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-21 20:20:11,945 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-21 20:20:11,951 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.10 08:20:11 BoogieIcfgContainer [2021-10-21 20:20:11,951 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-21 20:20:11,952 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 20:20:11,952 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 20:20:11,952 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 20:20:11,952 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:20:09" (3/4) ... [2021-10-21 20:20:11,955 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-21 20:20:11,955 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 20:20:11,957 INFO L168 Benchmark]: Toolchain (without parser) took 6948.47 ms. Allocated memory was 92.3 MB in the beginning and 203.4 MB in the end (delta: 111.1 MB). Free memory was 55.3 MB in the beginning and 79.1 MB in the end (delta: -23.8 MB). Peak memory consumption was 86.8 MB. Max. memory is 16.1 GB. [2021-10-21 20:20:11,958 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 92.3 MB. Free memory was 64.4 MB in the beginning and 64.4 MB in the end (delta: 21.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:20:11,960 INFO L168 Benchmark]: CACSL2BoogieTranslator took 950.02 ms. Allocated memory was 92.3 MB in the beginning and 121.6 MB in the end (delta: 29.4 MB). Free memory was 55.3 MB in the beginning and 69.5 MB in the end (delta: -14.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-21 20:20:11,961 INFO L168 Benchmark]: Boogie Procedure Inliner took 260.95 ms. Allocated memory is still 121.6 MB. Free memory was 69.5 MB in the beginning and 51.3 MB in the end (delta: 18.2 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2021-10-21 20:20:11,961 INFO L168 Benchmark]: Boogie Preprocessor took 244.43 ms. Allocated memory is still 121.6 MB. Free memory was 51.3 MB in the beginning and 83.2 MB in the end (delta: -31.9 MB). Peak memory consumption was 21.3 MB. Max. memory is 16.1 GB. [2021-10-21 20:20:11,967 INFO L168 Benchmark]: RCFGBuilder took 3049.31 ms. Allocated memory was 121.6 MB in the beginning and 203.4 MB in the end (delta: 81.8 MB). Free memory was 83.2 MB in the beginning and 89.1 MB in the end (delta: -5.9 MB). Peak memory consumption was 81.8 MB. Max. memory is 16.1 GB. [2021-10-21 20:20:11,968 INFO L168 Benchmark]: BuchiAutomizer took 2433.84 ms. Allocated memory is still 203.4 MB. Free memory was 89.1 MB in the beginning and 79.1 MB in the end (delta: 10.0 MB). Peak memory consumption was 8.9 MB. Max. memory is 16.1 GB. [2021-10-21 20:20:11,968 INFO L168 Benchmark]: Witness Printer took 3.41 ms. Allocated memory is still 203.4 MB. Free memory is still 79.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:20:11,975 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 92.3 MB. Free memory was 64.4 MB in the beginning and 64.4 MB in the end (delta: 21.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 950.02 ms. Allocated memory was 92.3 MB in the beginning and 121.6 MB in the end (delta: 29.4 MB). Free memory was 55.3 MB in the beginning and 69.5 MB in the end (delta: -14.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 260.95 ms. Allocated memory is still 121.6 MB. Free memory was 69.5 MB in the beginning and 51.3 MB in the end (delta: 18.2 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 244.43 ms. Allocated memory is still 121.6 MB. Free memory was 51.3 MB in the beginning and 83.2 MB in the end (delta: -31.9 MB). Peak memory consumption was 21.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 3049.31 ms. Allocated memory was 121.6 MB in the beginning and 203.4 MB in the end (delta: 81.8 MB). Free memory was 83.2 MB in the beginning and 89.1 MB in the end (delta: -5.9 MB). Peak memory consumption was 81.8 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 2433.84 ms. Allocated memory is still 203.4 MB. Free memory was 89.1 MB in the beginning and 79.1 MB in the end (delta: 10.0 MB). Peak memory consumption was 8.9 MB. Max. memory is 16.1 GB. * Witness Printer took 3.41 ms. Allocated memory is still 203.4 MB. Free memory is still 79.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (1 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function 7 + -2 * splverifierCounter and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.8s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 1769 SDtfs, 1770 SDslu, 3434 SDs, 0 SdLazy, 6 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.9ms Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital45 mio100 ax100 hnf100 lsp24 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq209 hnf86 smp100 dnf120 smp100 tf108 neg92 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 113ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-21 20:20:12,027 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8238237e-962c-43fd-a039-dcee748a7e40/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...