./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/email_spec1_product21.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c7eb1c-f167-4d6e-9920-47422f47d35c/bin/uautomizer-AkOaLMaTGY/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c7eb1c-f167-4d6e-9920-47422f47d35c/bin/uautomizer-AkOaLMaTGY/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c7eb1c-f167-4d6e-9920-47422f47d35c/bin/uautomizer-AkOaLMaTGY/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c7eb1c-f167-4d6e-9920-47422f47d35c/bin/uautomizer-AkOaLMaTGY/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/email_spec1_product21.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c7eb1c-f167-4d6e-9920-47422f47d35c/bin/uautomizer-AkOaLMaTGY/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c7eb1c-f167-4d6e-9920-47422f47d35c/bin/uautomizer-AkOaLMaTGY --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 cecb11257778d17777e5c48cccb3bea71da01aa9ce120079a5b602041abb00f4 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 07:40:13,386 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 07:40:13,392 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 07:40:13,475 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 07:40:13,476 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 07:40:13,478 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 07:40:13,481 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 07:40:13,485 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 07:40:13,489 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 07:40:13,491 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 07:40:13,493 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 07:40:13,496 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 07:40:13,497 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 07:40:13,499 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 07:40:13,502 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 07:40:13,505 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 07:40:13,507 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 07:40:13,509 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 07:40:13,513 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 07:40:13,517 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 07:40:13,521 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 07:40:13,524 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 07:40:13,526 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 07:40:13,529 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 07:40:13,536 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 07:40:13,537 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 07:40:13,537 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 07:40:13,540 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 07:40:13,541 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 07:40:13,544 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 07:40:13,545 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 07:40:13,547 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 07:40:13,549 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 07:40:13,551 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 07:40:13,553 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 07:40:13,554 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 07:40:13,556 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 07:40:13,557 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 07:40:13,558 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 07:40:13,560 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 07:40:13,562 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 07:40:13,563 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c7eb1c-f167-4d6e-9920-47422f47d35c/bin/uautomizer-AkOaLMaTGY/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-11-07 07:40:13,629 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 07:40:13,632 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 07:40:13,634 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-07 07:40:13,635 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-07 07:40:13,637 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-07 07:40:13,637 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-07 07:40:13,638 INFO L138 SettingsManager]: * Use SBE=true [2021-11-07 07:40:13,638 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-07 07:40:13,638 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-07 07:40:13,639 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-07 07:40:13,640 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-07 07:40:13,640 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-07 07:40:13,641 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-07 07:40:13,641 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 07:40:13,641 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 07:40:13,642 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-07 07:40:13,642 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 07:40:13,642 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 07:40:13,642 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 07:40:13,643 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-07 07:40:13,643 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-07 07:40:13,643 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-07 07:40:13,644 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 07:40:13,644 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 07:40:13,644 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-07 07:40:13,644 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 07:40:13,645 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-07 07:40:13,645 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 07:40:13,645 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 07:40:13,646 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 07:40:13,646 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-07 07:40:13,647 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 07:40:13,648 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-07 07:40:13,649 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_59c7eb1c-f167-4d6e-9920-47422f47d35c/bin/uautomizer-AkOaLMaTGY/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c7eb1c-f167-4d6e-9920-47422f47d35c/bin/uautomizer-AkOaLMaTGY Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cecb11257778d17777e5c48cccb3bea71da01aa9ce120079a5b602041abb00f4 [2021-11-07 07:40:14,108 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 07:40:14,158 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 07:40:14,162 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 07:40:14,164 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 07:40:14,165 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 07:40:14,166 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c7eb1c-f167-4d6e-9920-47422f47d35c/bin/uautomizer-AkOaLMaTGY/../../sv-benchmarks/c/product-lines/email_spec1_product21.cil.c [2021-11-07 07:40:14,272 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c7eb1c-f167-4d6e-9920-47422f47d35c/bin/uautomizer-AkOaLMaTGY/data/df875a7e9/b2bcef9817cb4d54b52de09edd4d24fa/FLAG968ed445e [2021-11-07 07:40:15,254 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 07:40:15,255 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c7eb1c-f167-4d6e-9920-47422f47d35c/sv-benchmarks/c/product-lines/email_spec1_product21.cil.c [2021-11-07 07:40:15,288 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c7eb1c-f167-4d6e-9920-47422f47d35c/bin/uautomizer-AkOaLMaTGY/data/df875a7e9/b2bcef9817cb4d54b52de09edd4d24fa/FLAG968ed445e [2021-11-07 07:40:15,348 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c7eb1c-f167-4d6e-9920-47422f47d35c/bin/uautomizer-AkOaLMaTGY/data/df875a7e9/b2bcef9817cb4d54b52de09edd4d24fa [2021-11-07 07:40:15,352 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 07:40:15,354 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 07:40:15,357 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 07:40:15,357 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 07:40:15,362 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 07:40:15,364 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:40:15" (1/1) ... [2021-11-07 07:40:15,365 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25b8845b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:40:15, skipping insertion in model container [2021-11-07 07:40:15,366 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:40:15" (1/1) ... [2021-11-07 07:40:15,377 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 07:40:15,532 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 07:40:16,509 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_59c7eb1c-f167-4d6e-9920-47422f47d35c/sv-benchmarks/c/product-lines/email_spec1_product21.cil.c[63391,63404] [2021-11-07 07:40:16,510 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 07:40:16,537 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 07:40:16,754 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_59c7eb1c-f167-4d6e-9920-47422f47d35c/sv-benchmarks/c/product-lines/email_spec1_product21.cil.c[63391,63404] [2021-11-07 07:40:16,754 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 07:40:16,804 INFO L208 MainTranslator]: Completed translation [2021-11-07 07:40:16,805 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:40:16 WrapperNode [2021-11-07 07:40:16,805 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 07:40:16,807 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 07:40:16,807 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 07:40:16,807 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 07:40:16,822 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:40:16" (1/1) ... [2021-11-07 07:40:16,896 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:40:16" (1/1) ... [2021-11-07 07:40:17,211 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 07:40:17,213 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 07:40:17,213 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 07:40:17,213 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 07:40:17,230 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:40:16" (1/1) ... [2021-11-07 07:40:17,231 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:40:16" (1/1) ... [2021-11-07 07:40:17,267 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:40:16" (1/1) ... [2021-11-07 07:40:17,273 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:40:16" (1/1) ... [2021-11-07 07:40:17,454 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:40:16" (1/1) ... [2021-11-07 07:40:17,512 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:40:16" (1/1) ... [2021-11-07 07:40:17,525 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:40:16" (1/1) ... [2021-11-07 07:40:17,549 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 07:40:17,551 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 07:40:17,551 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 07:40:17,551 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 07:40:17,556 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:40:16" (1/1) ... [2021-11-07 07:40:17,573 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:40:17,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c7eb1c-f167-4d6e-9920-47422f47d35c/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:40:17,610 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c7eb1c-f167-4d6e-9920-47422f47d35c/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:40:17,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c7eb1c-f167-4d6e-9920-47422f47d35c/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-07 07:40:17,701 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-11-07 07:40:17,701 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 07:40:17,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-07 07:40:17,702 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 07:40:17,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 07:40:22,667 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 07:40:22,668 INFO L299 CfgBuilder]: Removed 637 assume(true) statements. [2021-11-07 07:40:22,675 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:40:22 BoogieIcfgContainer [2021-11-07 07:40:22,675 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 07:40:22,677 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-07 07:40:22,677 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-07 07:40:22,683 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-07 07:40:22,684 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-07 07:40:22,685 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.11 07:40:15" (1/3) ... [2021-11-07 07:40:22,687 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@46c3e939 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.11 07:40:22, skipping insertion in model container [2021-11-07 07:40:22,687 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-07 07:40:22,687 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:40:16" (2/3) ... [2021-11-07 07:40:22,688 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@46c3e939 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.11 07:40:22, skipping insertion in model container [2021-11-07 07:40:22,688 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-07 07:40:22,689 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:40:22" (3/3) ... [2021-11-07 07:40:22,691 INFO L389 chiAutomizerObserver]: Analyzing ICFG email_spec1_product21.cil.c [2021-11-07 07:40:22,781 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-07 07:40:22,782 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-07 07:40:22,782 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-07 07:40:22,782 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-07 07:40:22,782 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-07 07:40:22,783 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-07 07:40:22,783 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-07 07:40:22,783 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-07 07:40:22,854 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 950 states, 949 states have (on average 1.732349841938883) internal successors, (1644), 949 states have internal predecessors, (1644), 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) [2021-11-07 07:40:23,027 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 255 [2021-11-07 07:40:23,028 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-07 07:40:23,028 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-07 07:40:23,044 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 07:40:23,045 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-11-07 07:40:23,045 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-07 07:40:23,050 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 950 states, 949 states have (on average 1.732349841938883) internal successors, (1644), 949 states have internal predecessors, (1644), 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) [2021-11-07 07:40:23,100 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 255 [2021-11-07 07:40:23,100 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-07 07:40:23,101 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-07 07:40:23,119 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 07:40:23,119 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-11-07 07:40:23,144 INFO L791 eck$LassoCheckResult]: Stem: 464#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(28);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(13);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(10);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(12);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(10);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(18);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(16);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(21);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string42.base, #t~string42.offset, 1);call write~init~int(115, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(10, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 3 + #t~string42.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(30);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(9);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(21);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(21);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(30);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(9);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(25);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(30);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(9);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(25);call #t~string80.base, #t~string80.offset := #Ultimate.allocOnStack(10);call #t~string87.base, #t~string87.offset := #Ultimate.allocOnStack(34);call #t~string90.base, #t~string90.offset := #Ultimate.allocOnStack(30);call #t~string94.base, #t~string94.offset := #Ultimate.allocOnStack(16);call #t~string103.base, #t~string103.offset := #Ultimate.allocOnStack(20);call #t~string105.base, #t~string105.offset := #Ultimate.allocOnStack(21);call #t~string109.base, #t~string109.offset := #Ultimate.allocOnStack(44);call #t~string114.base, #t~string114.offset := #Ultimate.allocOnStack(44);call #t~string116.base, #t~string116.offset := #Ultimate.allocOnStack(9);call #t~string118.base, #t~string118.offset := #Ultimate.allocOnStack(9);call #t~string120.base, #t~string120.offset := #Ultimate.allocOnStack(11);call #t~string124.base, #t~string124.offset := #Ultimate.allocOnStack(19);call #t~string127.base, #t~string127.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string127.base, #t~string127.offset, 1);call write~init~int(100, #t~string127.base, 1 + #t~string127.offset, 1);call write~init~int(10, #t~string127.base, 2 + #t~string127.offset, 1);call write~init~int(0, #t~string127.base, 3 + #t~string127.offset, 1);call #t~string130.base, #t~string130.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string130.base, #t~string130.offset, 1);call write~init~int(100, #t~string130.base, 1 + #t~string130.offset, 1);call write~init~int(10, #t~string130.base, 2 + #t~string130.offset, 1);call write~init~int(0, #t~string130.base, 3 + #t~string130.offset, 1);~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~mail_is_sensitive~0 := -1;~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~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;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0; 874#L-1true havoc main_#res;havoc main_#t~ret122, main_~retValue_acc~43, main_~tmp~19;havoc main_~retValue_acc~43;havoc main_~tmp~19; 611#L1245true havoc valid_product_#res;havoc valid_product_~retValue_acc~20;havoc valid_product_~retValue_acc~20;valid_product_~retValue_acc~20 := 1;valid_product_#res := valid_product_~retValue_acc~20; 294#L1253true main_#t~ret122 := valid_product_#res;main_~tmp~19 := main_#t~ret122;havoc main_#t~ret122; 412#L2791true assume 0 != main_~tmp~19;havoc setup_#t~nondet117, setup_#t~nondet119, setup_#t~nondet121, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setup_bob__wrappee__Base_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__wrappee__Base_~bob___0;setup_bob__wrappee__Base_~bob___0 := setup_bob__wrappee__Base_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__wrappee__Base_~bob___0, setup_bob__wrappee__Base_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 813#L2633true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 916#L2639-2true 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; 106#L2198true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 700#L2204-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string116.base, #t~string116.offset;havoc setup_#t~nondet117;~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; 699#L2633-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 443#L2639-5true 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; 633#L2198-2true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 441#L2204-5true setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string118.base, #t~string118.offset;havoc setup_#t~nondet119;~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; 483#L2633-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 940#L2639-8true 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; 172#L2198-4true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 621#L2204-8true setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset := #t~string120.base, #t~string120.offset;havoc setup_#t~nondet121; 380#L2778true havoc test_#t~nondet11, test_#t~nondet12, test_#t~nondet13, test_#t~nondet14, test_#t~nondet15, test_#t~nondet16, test_#t~nondet17, test_#t~nondet18, test_#t~nondet19, test_#t~nondet20, test_#t~nondet21, 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~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 301#L700-1true [2021-11-07 07:40:23,145 INFO L793 eck$LassoCheckResult]: Loop: 301#L700-1true assume !false; 634#L552true assume test_~splverifierCounter~0 < 4; 179#L553true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 149#L559true assume !(0 == test_~op1~0); 333#L572true assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet12;havoc test_#t~nondet12; 168#L577true assume 0 != test_~tmp___8~0;test_~op2~0 := 1; 301#L700-1true [2021-11-07 07:40:23,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:40:23,160 INFO L85 PathProgramCache]: Analyzing trace with hash 1291925977, now seen corresponding path program 1 times [2021-11-07 07:40:23,175 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 07:40:23,176 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649314461] [2021-11-07 07:40:23,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:40:23,178 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 07:40:23,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 07:40:23,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 07:40:23,849 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 07:40:23,849 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649314461] [2021-11-07 07:40:23,852 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [649314461] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 07:40:23,852 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 07:40:23,854 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 07:40:23,858 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601464232] [2021-11-07 07:40:23,877 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-07 07:40:23,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:40:23,888 INFO L85 PathProgramCache]: Analyzing trace with hash 590492675, now seen corresponding path program 1 times [2021-11-07 07:40:23,888 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 07:40:23,889 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029697797] [2021-11-07 07:40:23,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:40:23,890 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 07:40:23,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 07:40:23,925 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 07:40:23,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 07:40:23,979 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 07:40:24,075 INFO L210 LassoAnalysis]: Preferences: [2021-11-07 07:40:24,075 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-07 07:40:24,076 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-07 07:40:24,076 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-07 07:40:24,076 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-07 07:40:24,077 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:40:24,077 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-07 07:40:24,077 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-07 07:40:24,077 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec1_product21.cil.c_Iteration1_Loop [2021-11-07 07:40:24,078 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-07 07:40:24,079 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-07 07:40:24,105 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 07:40:24,116 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 07:40:24,126 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 07:40:24,131 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 07:40:24,243 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-07 07:40:24,244 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-07 07:40:24,248 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:40:24,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c7eb1c-f167-4d6e-9920-47422f47d35c/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:40:24,251 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c7eb1c-f167-4d6e-9920-47422f47d35c/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:40:24,265 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-07 07:40:24,265 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-07 07:40:24,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c7eb1c-f167-4d6e-9920-47422f47d35c/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-07 07:40:24,328 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c7eb1c-f167-4d6e-9920-47422f47d35c/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-11-07 07:40:24,329 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:40:24,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c7eb1c-f167-4d6e-9920-47422f47d35c/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:40:24,331 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c7eb1c-f167-4d6e-9920-47422f47d35c/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:40:24,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c7eb1c-f167-4d6e-9920-47422f47d35c/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-07 07:40:24,333 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-07 07:40:24,334 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-07 07:40:24,380 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-07 07:40:24,412 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c7eb1c-f167-4d6e-9920-47422f47d35c/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-11-07 07:40:24,413 INFO L210 LassoAnalysis]: Preferences: [2021-11-07 07:40:24,413 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-07 07:40:24,413 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-07 07:40:24,413 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-07 07:40:24,414 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-07 07:40:24,414 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:40:24,414 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-07 07:40:24,414 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-07 07:40:24,414 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec1_product21.cil.c_Iteration1_Loop [2021-11-07 07:40:24,415 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-07 07:40:24,415 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-07 07:40:24,416 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 07:40:24,433 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 07:40:24,447 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 07:40:24,457 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 07:40:24,598 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-07 07:40:24,606 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-07 07:40:24,608 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:40:24,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c7eb1c-f167-4d6e-9920-47422f47d35c/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:40:24,620 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c7eb1c-f167-4d6e-9920-47422f47d35c/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:40:24,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c7eb1c-f167-4d6e-9920-47422f47d35c/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-07 07:40:24,677 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 [2021-11-07 07:40:24,704 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 07:40:24,704 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 07:40:24,705 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:40:24,706 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:40:24,706 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 07:40:24,710 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 07:40:24,711 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 07:40:24,727 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-07 07:40:24,737 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-11-07 07:40:24,737 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-11-07 07:40:24,740 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:40:24,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c7eb1c-f167-4d6e-9920-47422f47d35c/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:40:24,749 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c7eb1c-f167-4d6e-9920-47422f47d35c/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:40:24,791 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-07 07:40:24,792 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-11-07 07:40:24,793 INFO L513 LassoAnalysis]: Proved termination. [2021-11-07 07:40:24,793 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op2~0) = -2*ULTIMATE.start_test_~op2~0 + 1 Supporting invariants [] [2021-11-07 07:40:24,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c7eb1c-f167-4d6e-9920-47422f47d35c/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-07 07:40:24,840 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c7eb1c-f167-4d6e-9920-47422f47d35c/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-11-07 07:40:24,848 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-11-07 07:40:24,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:40:25,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 07:40:25,178 INFO L263 TraceCheckSpWp]: Trace formula consists of 627 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 07:40:25,188 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 07:40:25,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 07:40:25,393 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 07:40:25,395 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 07:40:25,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 07:40:25,550 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 [2021-11-07 07:40:25,560 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 950 states, 949 states have (on average 1.732349841938883) internal successors, (1644), 949 states have internal predecessors, (1644), 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) [2021-11-07 07:40:26,081 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c7eb1c-f167-4d6e-9920-47422f47d35c/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-11-07 07:40:26,319 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 950 states, 949 states have (on average 1.732349841938883) internal successors, (1644), 949 states have internal predecessors, (1644), 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 4380 states and 7542 transitions. Complement of second has 7 states. [2021-11-07 07:40:26,320 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 [2021-11-07 07:40:26,322 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) [2021-11-07 07:40:26,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 4364 transitions. [2021-11-07 07:40:26,337 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 4364 transitions. Stem has 18 letters. Loop has 6 letters. [2021-11-07 07:40:26,342 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-07 07:40:26,343 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 4364 transitions. Stem has 24 letters. Loop has 6 letters. [2021-11-07 07:40:26,344 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-07 07:40:26,344 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 4364 transitions. Stem has 18 letters. Loop has 12 letters. [2021-11-07 07:40:26,345 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-07 07:40:26,346 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 4380 states and 7542 transitions. [2021-11-07 07:40:26,445 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 509 [2021-11-07 07:40:26,477 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 4380 states to 1051 states and 1924 transitions. [2021-11-07 07:40:26,478 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 540 [2021-11-07 07:40:26,483 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 541 [2021-11-07 07:40:26,484 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1051 states and 1924 transitions. [2021-11-07 07:40:26,495 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-07 07:40:26,495 INFO L681 BuchiCegarLoop]: Abstraction has 1051 states and 1924 transitions. [2021-11-07 07:40:26,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1051 states and 1924 transitions. [2021-11-07 07:40:26,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1051 to 542. [2021-11-07 07:40:26,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 542 states, 542 states have (on average 1.8247232472324724) internal successors, (989), 541 states have internal predecessors, (989), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:40:26,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 989 transitions. [2021-11-07 07:40:26,639 INFO L704 BuchiCegarLoop]: Abstraction has 542 states and 989 transitions. [2021-11-07 07:40:26,640 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 07:40:26,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 07:40:26,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 07:40:26,650 INFO L87 Difference]: Start difference. First operand 542 states and 989 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:40:26,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 07:40:26,758 INFO L93 Difference]: Finished difference Result 1064 states and 1943 transitions. [2021-11-07 07:40:26,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 07:40:26,759 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1064 states and 1943 transitions. [2021-11-07 07:40:26,779 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 510 [2021-11-07 07:40:26,804 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1064 states to 1064 states and 1943 transitions. [2021-11-07 07:40:26,806 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 552 [2021-11-07 07:40:26,809 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 552 [2021-11-07 07:40:26,809 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1064 states and 1943 transitions. [2021-11-07 07:40:26,815 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-07 07:40:26,815 INFO L681 BuchiCegarLoop]: Abstraction has 1064 states and 1943 transitions. [2021-11-07 07:40:26,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1064 states and 1943 transitions. [2021-11-07 07:40:26,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1064 to 541. [2021-11-07 07:40:26,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 541 states, 541 states have (on average 1.820702402957486) internal successors, (985), 540 states have internal predecessors, (985), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:40:26,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 985 transitions. [2021-11-07 07:40:26,853 INFO L704 BuchiCegarLoop]: Abstraction has 541 states and 985 transitions. [2021-11-07 07:40:26,854 INFO L587 BuchiCegarLoop]: Abstraction has 541 states and 985 transitions. [2021-11-07 07:40:26,854 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-07 07:40:26,854 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 541 states and 985 transitions. [2021-11-07 07:40:26,860 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 255 [2021-11-07 07:40:26,861 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-07 07:40:26,861 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-07 07:40:26,864 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] [2021-11-07 07:40:26,865 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 07:40:26,865 INFO L791 eck$LassoCheckResult]: Stem: 7573#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(28);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(13);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(10);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(12);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(10);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(18);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(16);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(21);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string42.base, #t~string42.offset, 1);call write~init~int(115, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(10, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 3 + #t~string42.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(30);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(9);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(21);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(21);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(30);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(9);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(25);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(30);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(9);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(25);call #t~string80.base, #t~string80.offset := #Ultimate.allocOnStack(10);call #t~string87.base, #t~string87.offset := #Ultimate.allocOnStack(34);call #t~string90.base, #t~string90.offset := #Ultimate.allocOnStack(30);call #t~string94.base, #t~string94.offset := #Ultimate.allocOnStack(16);call #t~string103.base, #t~string103.offset := #Ultimate.allocOnStack(20);call #t~string105.base, #t~string105.offset := #Ultimate.allocOnStack(21);call #t~string109.base, #t~string109.offset := #Ultimate.allocOnStack(44);call #t~string114.base, #t~string114.offset := #Ultimate.allocOnStack(44);call #t~string116.base, #t~string116.offset := #Ultimate.allocOnStack(9);call #t~string118.base, #t~string118.offset := #Ultimate.allocOnStack(9);call #t~string120.base, #t~string120.offset := #Ultimate.allocOnStack(11);call #t~string124.base, #t~string124.offset := #Ultimate.allocOnStack(19);call #t~string127.base, #t~string127.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string127.base, #t~string127.offset, 1);call write~init~int(100, #t~string127.base, 1 + #t~string127.offset, 1);call write~init~int(10, #t~string127.base, 2 + #t~string127.offset, 1);call write~init~int(0, #t~string127.base, 3 + #t~string127.offset, 1);call #t~string130.base, #t~string130.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string130.base, #t~string130.offset, 1);call write~init~int(100, #t~string130.base, 1 + #t~string130.offset, 1);call write~init~int(10, #t~string130.base, 2 + #t~string130.offset, 1);call write~init~int(0, #t~string130.base, 3 + #t~string130.offset, 1);~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~mail_is_sensitive~0 := -1;~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~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;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0; 7496#L-1 havoc main_#res;havoc main_#t~ret122, main_~retValue_acc~43, main_~tmp~19;havoc main_~retValue_acc~43;havoc main_~tmp~19; 7438#L1245 havoc valid_product_#res;havoc valid_product_~retValue_acc~20;havoc valid_product_~retValue_acc~20;valid_product_~retValue_acc~20 := 1;valid_product_#res := valid_product_~retValue_acc~20; 7251#L1253 main_#t~ret122 := valid_product_#res;main_~tmp~19 := main_#t~ret122;havoc main_#t~ret122; 7252#L2791 assume 0 != main_~tmp~19;havoc setup_#t~nondet117, setup_#t~nondet119, setup_#t~nondet121, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setup_bob__wrappee__Base_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__wrappee__Base_~bob___0;setup_bob__wrappee__Base_~bob___0 := setup_bob__wrappee__Base_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__wrappee__Base_~bob___0, setup_bob__wrappee__Base_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 7374#L2633 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 7210#L2639-2 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; 7423#L2198 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 7418#L2204-2 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string116.base, #t~string116.offset;havoc setup_#t~nondet117;~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; 7568#L2633-2 assume !(1 == setClientId_~handle); 7551#L2636-2 assume 2 == setClientId_~handle;~__ste_client_idCounter1~0 := setClientId_~value; 7552#L2639-5 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; 7491#L2198-2 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 7094#L2204-5 setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string118.base, #t~string118.offset;havoc setup_#t~nondet119;~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; 7561#L2633-4 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 7225#L2639-8 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; 7542#L2198-4 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 7372#L2204-8 setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset := #t~string120.base, #t~string120.offset;havoc setup_#t~nondet121; 7457#L2778 havoc test_#t~nondet11, test_#t~nondet12, test_#t~nondet13, test_#t~nondet14, test_#t~nondet15, test_#t~nondet16, test_#t~nondet17, test_#t~nondet18, test_#t~nondet19, test_#t~nondet20, test_#t~nondet21, 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~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 7460#L700-1 assume !false; 7263#L552 [2021-11-07 07:40:26,866 INFO L793 eck$LassoCheckResult]: Loop: 7263#L552 assume test_~splverifierCounter~0 < 4; 7499#L553 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 7503#L559 assume !(0 == test_~op1~0); 7385#L572 assume !(0 == test_~op2~0); 7363#L583 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet13;havoc test_#t~nondet13; 7349#L588 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; 7351#L2198-6 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 7261#L2204-11 test_~op3~0 := 1; 7090#L700-1 assume !false; 7263#L552 [2021-11-07 07:40:26,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:40:26,867 INFO L85 PathProgramCache]: Analyzing trace with hash -953559564, now seen corresponding path program 1 times [2021-11-07 07:40:26,868 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 07:40:26,868 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888822381] [2021-11-07 07:40:26,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:40:26,869 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 07:40:26,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 07:40:27,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 07:40:27,104 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 07:40:27,104 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888822381] [2021-11-07 07:40:27,105 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [888822381] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 07:40:27,105 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 07:40:27,106 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-07 07:40:27,106 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952573840] [2021-11-07 07:40:27,107 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-07 07:40:27,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:40:27,108 INFO L85 PathProgramCache]: Analyzing trace with hash -1296812605, now seen corresponding path program 1 times [2021-11-07 07:40:27,109 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 07:40:27,109 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235155375] [2021-11-07 07:40:27,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:40:27,110 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 07:40:27,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 07:40:27,126 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 07:40:27,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 07:40:27,151 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 07:40:27,375 INFO L210 LassoAnalysis]: Preferences: [2021-11-07 07:40:27,375 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-07 07:40:27,375 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-07 07:40:27,376 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-07 07:40:27,376 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-07 07:40:27,376 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:40:27,377 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-07 07:40:27,377 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-07 07:40:27,377 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec1_product21.cil.c_Iteration2_Loop [2021-11-07 07:40:27,378 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-07 07:40:27,379 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-07 07:40:27,383 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 07:40:27,394 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 07:40:27,405 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 07:40:27,415 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 07:40:27,431 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 07:40:27,442 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 07:40:27,446 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 07:40:27,663 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-07 07:40:27,664 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-07 07:40:27,664 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:40:27,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c7eb1c-f167-4d6e-9920-47422f47d35c/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:40:27,667 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c7eb1c-f167-4d6e-9920-47422f47d35c/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:40:27,681 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-07 07:40:27,681 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-07 07:40:27,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c7eb1c-f167-4d6e-9920-47422f47d35c/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-07 07:40:27,776 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c7eb1c-f167-4d6e-9920-47422f47d35c/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-11-07 07:40:27,777 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:40:27,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c7eb1c-f167-4d6e-9920-47422f47d35c/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:40:27,779 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c7eb1c-f167-4d6e-9920-47422f47d35c/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:40:27,789 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-07 07:40:27,789 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-07 07:40:27,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c7eb1c-f167-4d6e-9920-47422f47d35c/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-07 07:40:27,884 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-07 07:40:27,894 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c7eb1c-f167-4d6e-9920-47422f47d35c/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-11-07 07:40:27,894 INFO L210 LassoAnalysis]: Preferences: [2021-11-07 07:40:27,894 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-07 07:40:27,895 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-07 07:40:27,895 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-07 07:40:27,895 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-07 07:40:27,895 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:40:27,895 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-07 07:40:27,895 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-07 07:40:27,896 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec1_product21.cil.c_Iteration2_Loop [2021-11-07 07:40:27,896 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-07 07:40:27,896 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-07 07:40:27,898 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 07:40:27,916 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 07:40:27,922 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 07:40:27,932 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 07:40:27,937 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 07:40:27,948 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 07:40:27,965 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 07:40:28,160 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-07 07:40:28,161 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-07 07:40:28,161 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:40:28,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c7eb1c-f167-4d6e-9920-47422f47d35c/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:40:28,163 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c7eb1c-f167-4d6e-9920-47422f47d35c/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:40:28,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c7eb1c-f167-4d6e-9920-47422f47d35c/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-07 07:40:28,168 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 [2021-11-07 07:40:28,181 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 07:40:28,182 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 07:40:28,182 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:40:28,182 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:40:28,182 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 07:40:28,184 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 07:40:28,185 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 07:40:28,194 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-07 07:40:28,203 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-11-07 07:40:28,203 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-11-07 07:40:28,204 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:40:28,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c7eb1c-f167-4d6e-9920-47422f47d35c/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:40:28,208 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c7eb1c-f167-4d6e-9920-47422f47d35c/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:40:28,216 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-07 07:40:28,216 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-11-07 07:40:28,216 INFO L513 LassoAnalysis]: Proved termination. [2021-11-07 07:40:28,216 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 7 Supporting invariants [] [2021-11-07 07:40:28,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c7eb1c-f167-4d6e-9920-47422f47d35c/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-11-07 07:40:28,281 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c7eb1c-f167-4d6e-9920-47422f47d35c/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-11-07 07:40:28,282 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-11-07 07:40:28,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:40:28,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 07:40:28,519 INFO L263 TraceCheckSpWp]: Trace formula consists of 629 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 07:40:28,524 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 07:40:28,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 07:40:28,711 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 07:40:28,712 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 07:40:28,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 07:40:28,894 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 [2021-11-07 07:40:28,895 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 541 states and 985 transitions. cyclomatic complexity: 446 Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:40:28,974 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 541 states and 985 transitions. cyclomatic complexity: 446. Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 1055 states and 1929 transitions. Complement of second has 6 states. [2021-11-07 07:40:28,974 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 [2021-11-07 07:40:28,975 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) [2021-11-07 07:40:28,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 515 transitions. [2021-11-07 07:40:28,977 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 515 transitions. Stem has 20 letters. Loop has 9 letters. [2021-11-07 07:40:28,979 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-07 07:40:28,979 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 515 transitions. Stem has 29 letters. Loop has 9 letters. [2021-11-07 07:40:28,980 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-07 07:40:28,980 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 515 transitions. Stem has 20 letters. Loop has 18 letters. [2021-11-07 07:40:28,982 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-07 07:40:28,982 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1055 states and 1929 transitions. [2021-11-07 07:40:29,004 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-07 07:40:29,005 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1055 states to 0 states and 0 transitions. [2021-11-07 07:40:29,005 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-11-07 07:40:29,006 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-11-07 07:40:29,006 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-11-07 07:40:29,006 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-07 07:40:29,006 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-07 07:40:29,007 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-07 07:40:29,007 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 07:40:29,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 07:40:29,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 07:40:29,009 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) [2021-11-07 07:40:29,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 07:40:29,009 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2021-11-07 07:40:29,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 07:40:29,010 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2021-11-07 07:40:29,010 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-07 07:40:29,011 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2021-11-07 07:40:29,011 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-11-07 07:40:29,011 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-11-07 07:40:29,012 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-11-07 07:40:29,012 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-07 07:40:29,012 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-07 07:40:29,012 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-07 07:40:29,012 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-07 07:40:29,013 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-11-07 07:40:29,013 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-11-07 07:40:29,013 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-07 07:40:29,014 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-11-07 07:40:29,023 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.11 07:40:29 BoogieIcfgContainer [2021-11-07 07:40:29,024 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-07 07:40:29,025 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 07:40:29,025 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 07:40:29,025 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 07:40:29,026 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:40:22" (3/4) ... [2021-11-07 07:40:29,032 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-07 07:40:29,032 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 07:40:29,036 INFO L168 Benchmark]: Toolchain (without parser) took 13679.40 ms. Allocated memory was 117.4 MB in the beginning and 251.7 MB in the end (delta: 134.2 MB). Free memory was 76.8 MB in the beginning and 128.2 MB in the end (delta: -51.4 MB). Peak memory consumption was 83.2 MB. Max. memory is 16.1 GB. [2021-11-07 07:40:29,037 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 117.4 MB. Free memory is still 95.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 07:40:29,038 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1449.01 ms. Allocated memory is still 117.4 MB. Free memory was 76.6 MB in the beginning and 66.2 MB in the end (delta: 10.5 MB). Peak memory consumption was 12.9 MB. Max. memory is 16.1 GB. [2021-11-07 07:40:29,039 INFO L168 Benchmark]: Boogie Procedure Inliner took 405.10 ms. Allocated memory is still 117.4 MB. Free memory was 66.2 MB in the beginning and 85.9 MB in the end (delta: -19.8 MB). Peak memory consumption was 24.3 MB. Max. memory is 16.1 GB. [2021-11-07 07:40:29,041 INFO L168 Benchmark]: Boogie Preprocessor took 336.88 ms. Allocated memory was 117.4 MB in the beginning and 159.4 MB in the end (delta: 41.9 MB). Free memory was 85.9 MB in the beginning and 120.4 MB in the end (delta: -34.5 MB). Peak memory consumption was 14.1 MB. Max. memory is 16.1 GB. [2021-11-07 07:40:29,042 INFO L168 Benchmark]: RCFGBuilder took 5124.86 ms. Allocated memory is still 159.4 MB. Free memory was 120.4 MB in the beginning and 69.8 MB in the end (delta: 50.6 MB). Peak memory consumption was 53.8 MB. Max. memory is 16.1 GB. [2021-11-07 07:40:29,044 INFO L168 Benchmark]: BuchiAutomizer took 6346.83 ms. Allocated memory was 159.4 MB in the beginning and 251.7 MB in the end (delta: 92.3 MB). Free memory was 68.8 MB in the beginning and 129.2 MB in the end (delta: -60.5 MB). Peak memory consumption was 30.7 MB. Max. memory is 16.1 GB. [2021-11-07 07:40:29,045 INFO L168 Benchmark]: Witness Printer took 7.95 ms. Allocated memory is still 251.7 MB. Free memory was 129.2 MB in the beginning and 128.2 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 07:40:29,051 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 117.4 MB. Free memory is still 95.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1449.01 ms. Allocated memory is still 117.4 MB. Free memory was 76.6 MB in the beginning and 66.2 MB in the end (delta: 10.5 MB). Peak memory consumption was 12.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 405.10 ms. Allocated memory is still 117.4 MB. Free memory was 66.2 MB in the beginning and 85.9 MB in the end (delta: -19.8 MB). Peak memory consumption was 24.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 336.88 ms. Allocated memory was 117.4 MB in the beginning and 159.4 MB in the end (delta: 41.9 MB). Free memory was 85.9 MB in the beginning and 120.4 MB in the end (delta: -34.5 MB). Peak memory consumption was 14.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 5124.86 ms. Allocated memory is still 159.4 MB. Free memory was 120.4 MB in the beginning and 69.8 MB in the end (delta: 50.6 MB). Peak memory consumption was 53.8 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 6346.83 ms. Allocated memory was 159.4 MB in the beginning and 251.7 MB in the end (delta: 92.3 MB). Free memory was 68.8 MB in the beginning and 129.2 MB in the end (delta: -60.5 MB). Peak memory consumption was 30.7 MB. Max. memory is 16.1 GB. * Witness Printer took 7.95 ms. Allocated memory is still 251.7 MB. Free memory was 129.2 MB in the beginning and 128.2 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. 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 6.2s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 3.1s. Construction of modules took 0.0s. Büchi inclusion checks took 2.2s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 2. Automata minimization 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 1032 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.2s Buchi closure took 0.0s. Biggest automaton had 541 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 4729 SDtfs, 4228 SDslu, 6173 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: 185ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-11-07 07:40:29,143 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c7eb1c-f167-4d6e-9920-47422f47d35c/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-11-07 07:40:29,353 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c7eb1c-f167-4d6e-9920-47422f47d35c/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE