./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/email_spec1_product26.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9d17ca-a723-40c5-84f8-ad55a317124c/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9d17ca-a723-40c5-84f8-ad55a317124c/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9d17ca-a723-40c5-84f8-ad55a317124c/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9d17ca-a723-40c5-84f8-ad55a317124c/bin/uautomizer-WNIpwEf4Nt/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/email_spec1_product26.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9d17ca-a723-40c5-84f8-ad55a317124c/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9d17ca-a723-40c5-84f8-ad55a317124c/bin/uautomizer-WNIpwEf4Nt --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 c855e05d9447c6cfd24bede14926191ffa6ec7a7 ................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 01:15:14,622 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 01:15:14,626 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 01:15:14,701 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 01:15:14,702 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 01:15:14,710 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 01:15:14,712 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 01:15:14,718 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 01:15:14,723 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 01:15:14,733 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 01:15:14,735 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 01:15:14,738 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 01:15:14,739 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 01:15:14,742 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 01:15:14,746 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 01:15:14,756 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 01:15:14,759 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 01:15:14,761 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 01:15:14,766 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 01:15:14,775 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 01:15:14,778 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 01:15:14,780 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 01:15:14,785 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 01:15:14,786 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 01:15:14,795 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 01:15:14,796 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 01:15:14,796 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 01:15:14,799 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 01:15:14,800 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 01:15:14,802 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 01:15:14,803 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 01:15:14,805 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 01:15:14,808 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 01:15:14,809 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 01:15:14,812 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 01:15:14,812 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 01:15:14,813 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 01:15:14,814 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 01:15:14,814 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 01:15:14,816 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 01:15:14,817 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 01:15:14,818 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9d17ca-a723-40c5-84f8-ad55a317124c/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-13 01:15:14,886 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 01:15:14,887 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 01:15:14,888 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 01:15:14,888 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 01:15:14,890 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 01:15:14,891 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 01:15:14,891 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 01:15:14,891 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-13 01:15:14,892 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-13 01:15:14,892 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-13 01:15:14,893 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-13 01:15:14,894 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-13 01:15:14,894 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-13 01:15:14,894 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 01:15:14,895 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 01:15:14,895 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 01:15:14,895 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 01:15:14,896 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 01:15:14,896 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 01:15:14,896 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-13 01:15:14,897 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-13 01:15:14,897 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-13 01:15:14,897 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 01:15:14,897 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 01:15:14,898 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-13 01:15:14,898 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 01:15:14,900 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-13 01:15:14,901 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 01:15:14,901 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 01:15:14,901 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 01:15:14,902 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 01:15:14,902 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 01:15:14,904 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-13 01:15:14,904 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_ef9d17ca-a723-40c5-84f8-ad55a317124c/bin/uautomizer-WNIpwEf4Nt/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9d17ca-a723-40c5-84f8-ad55a317124c/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c855e05d9447c6cfd24bede14926191ffa6ec7a7 [2021-10-13 01:15:15,225 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 01:15:15,257 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 01:15:15,260 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 01:15:15,262 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 01:15:15,267 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 01:15:15,269 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9d17ca-a723-40c5-84f8-ad55a317124c/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/product-lines/email_spec1_product26.cil.c [2021-10-13 01:15:15,367 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9d17ca-a723-40c5-84f8-ad55a317124c/bin/uautomizer-WNIpwEf4Nt/data/7d2befb47/a0de825d322e4915a837af0e877b08a1/FLAG9f57302c9 [2021-10-13 01:15:16,156 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 01:15:16,157 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9d17ca-a723-40c5-84f8-ad55a317124c/sv-benchmarks/c/product-lines/email_spec1_product26.cil.c [2021-10-13 01:15:16,195 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9d17ca-a723-40c5-84f8-ad55a317124c/bin/uautomizer-WNIpwEf4Nt/data/7d2befb47/a0de825d322e4915a837af0e877b08a1/FLAG9f57302c9 [2021-10-13 01:15:16,328 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9d17ca-a723-40c5-84f8-ad55a317124c/bin/uautomizer-WNIpwEf4Nt/data/7d2befb47/a0de825d322e4915a837af0e877b08a1 [2021-10-13 01:15:16,332 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 01:15:16,334 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 01:15:16,336 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 01:15:16,336 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 01:15:16,347 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 01:15:16,348 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:15:16" (1/1) ... [2021-10-13 01:15:16,350 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b460761 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:15:16, skipping insertion in model container [2021-10-13 01:15:16,350 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:15:16" (1/1) ... [2021-10-13 01:15:16,361 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 01:15:16,481 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 01:15:17,204 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_ef9d17ca-a723-40c5-84f8-ad55a317124c/sv-benchmarks/c/product-lines/email_spec1_product26.cil.c[21461,21474] [2021-10-13 01:15:17,442 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 01:15:17,472 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 01:15:17,575 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_ef9d17ca-a723-40c5-84f8-ad55a317124c/sv-benchmarks/c/product-lines/email_spec1_product26.cil.c[21461,21474] [2021-10-13 01:15:17,695 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 01:15:17,756 INFO L208 MainTranslator]: Completed translation [2021-10-13 01:15:17,757 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:15:17 WrapperNode [2021-10-13 01:15:17,758 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 01:15:17,759 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 01:15:17,760 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 01:15:17,760 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 01:15:17,770 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:15:17" (1/1) ... [2021-10-13 01:15:17,836 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:15:17" (1/1) ... [2021-10-13 01:15:18,049 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 01:15:18,050 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 01:15:18,051 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 01:15:18,051 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 01:15:18,062 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:15:17" (1/1) ... [2021-10-13 01:15:18,062 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:15:17" (1/1) ... [2021-10-13 01:15:18,087 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:15:17" (1/1) ... [2021-10-13 01:15:18,088 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:15:17" (1/1) ... [2021-10-13 01:15:18,197 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:15:17" (1/1) ... [2021-10-13 01:15:18,242 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:15:17" (1/1) ... [2021-10-13 01:15:18,255 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:15:17" (1/1) ... [2021-10-13 01:15:18,288 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 01:15:18,289 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 01:15:18,290 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 01:15:18,290 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 01:15:18,291 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:15:17" (1/1) ... [2021-10-13 01:15:18,301 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:15:18,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9d17ca-a723-40c5-84f8-ad55a317124c/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:15:18,331 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9d17ca-a723-40c5-84f8-ad55a317124c/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:15:18,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9d17ca-a723-40c5-84f8-ad55a317124c/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-13 01:15:18,386 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-10-13 01:15:18,387 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 01:15:18,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 01:15:18,387 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 01:15:18,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 01:15:21,847 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 01:15:21,847 INFO L299 CfgBuilder]: Removed 713 assume(true) statements. [2021-10-13 01:15:21,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:15:21 BoogieIcfgContainer [2021-10-13 01:15:21,852 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 01:15:21,854 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-13 01:15:21,854 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-13 01:15:21,859 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-13 01:15:21,860 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 01:15:21,860 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.10 01:15:16" (1/3) ... [2021-10-13 01:15:21,862 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@646ea551 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 01:15:21, skipping insertion in model container [2021-10-13 01:15:21,862 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 01:15:21,863 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:15:17" (2/3) ... [2021-10-13 01:15:21,864 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@646ea551 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 01:15:21, skipping insertion in model container [2021-10-13 01:15:21,864 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 01:15:21,864 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:15:21" (3/3) ... [2021-10-13 01:15:21,866 INFO L389 chiAutomizerObserver]: Analyzing ICFG email_spec1_product26.cil.c [2021-10-13 01:15:21,936 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-13 01:15:21,936 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-13 01:15:21,936 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-13 01:15:21,936 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-13 01:15:21,937 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-13 01:15:21,937 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-13 01:15:21,937 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-13 01:15:21,937 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-13 01:15:21,986 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 1026 states, 1025 states have (on average 1.7278048780487805) internal successors, (1771), 1025 states have internal predecessors, (1771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:15:22,082 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 259 [2021-10-13 01:15:22,082 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 01:15:22,083 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 01:15:22,096 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:15:22,096 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:15:22,096 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-13 01:15:22,100 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 1026 states, 1025 states have (on average 1.7278048780487805) internal successors, (1771), 1025 states have internal predecessors, (1771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:15:22,119 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 259 [2021-10-13 01:15:22,120 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 01:15:22,120 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 01:15:22,123 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:15:22,124 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:15:22,131 INFO L791 eck$LassoCheckResult]: Stem: 498#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(28);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(44);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(44);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(9);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(9);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(11);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(19);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string25.base, #t~string25.offset, 1);call write~init~int(100, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(10, #t~string25.base, 2 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 3 + #t~string25.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string28.base, #t~string28.offset, 1);call write~init~int(100, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(10, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 3 + #t~string28.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(10);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(12);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(10);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(18);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(16);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(21);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(10);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(34);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(16);call #t~string79.base, #t~string79.offset := #Ultimate.allocOnStack(20);call #t~string81.base, #t~string81.offset := #Ultimate.allocOnStack(22);call #t~string84.base, #t~string84.offset := #Ultimate.allocOnStack(21);call #t~string100.base, #t~string100.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string100.base, #t~string100.offset, 1);call write~init~int(115, #t~string100.base, 1 + #t~string100.offset, 1);call write~init~int(10, #t~string100.base, 2 + #t~string100.offset, 1);call write~init~int(0, #t~string100.base, 3 + #t~string100.offset, 1);call #t~string102.base, #t~string102.offset := #Ultimate.allocOnStack(13);call #t~string124.base, #t~string124.offset := #Ultimate.allocOnStack(30);call #t~string125.base, #t~string125.offset := #Ultimate.allocOnStack(9);call #t~string126.base, #t~string126.offset := #Ultimate.allocOnStack(21);call #t~string127.base, #t~string127.offset := #Ultimate.allocOnStack(30);call #t~string128.base, #t~string128.offset := #Ultimate.allocOnStack(9);call #t~string129.base, #t~string129.offset := #Ultimate.allocOnStack(21);call #t~string133.base, #t~string133.offset := #Ultimate.allocOnStack(30);call #t~string134.base, #t~string134.offset := #Ultimate.allocOnStack(9);call #t~string135.base, #t~string135.offset := #Ultimate.allocOnStack(25);call #t~string136.base, #t~string136.offset := #Ultimate.allocOnStack(30);call #t~string137.base, #t~string137.offset := #Ultimate.allocOnStack(9);call #t~string138.base, #t~string138.offset := #Ultimate.allocOnStack(25);~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~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;~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; 930#L-1true havoc main_#res;havoc main_#t~ret20, main_~retValue_acc~0, main_~tmp~1;havoc main_~retValue_acc~0;havoc main_~tmp~1; 336#L870true havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; 169#L878true main_#t~ret20 := valid_product_#res;main_~tmp~1 := main_#t~ret20;havoc main_#t~ret20; 855#L228true assume 0 != main_~tmp~1;havoc setup_#t~nondet15, setup_#t~nondet17, setup_#t~nondet19, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setup_bob__wrappee__Base_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__wrappee__Base_~bob___0;setup_bob__wrappee__Base_~bob___0 := setup_bob__wrappee__Base_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__wrappee__Base_~bob___0, setup_bob__wrappee__Base_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 542#L2157true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 63#L2163-2true 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; 375#L1722true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 251#L1728-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string14.base, #t~string14.offset;havoc setup_#t~nondet15;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0;setup_rjh__wrappee__Base_#in~rjh___0 := setup_rjh_~rjh___0;havoc setup_rjh__wrappee__Base_~rjh___0;setup_rjh__wrappee__Base_~rjh___0 := setup_rjh__wrappee__Base_#in~rjh___0;setClientId_#in~handle, setClientId_#in~value := setup_rjh__wrappee__Base_~rjh___0, setup_rjh__wrappee__Base_~rjh___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 170#L2157-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 259#L2163-5true 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; 304#L1722-2true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 337#L1728-5true setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string16.base, #t~string16.offset;havoc setup_#t~nondet17;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0;setup_chuck__wrappee__Base_#in~chuck___0 := setup_chuck_~chuck___0;havoc setup_chuck__wrappee__Base_~chuck___0;setup_chuck__wrappee__Base_~chuck___0 := setup_chuck__wrappee__Base_#in~chuck___0;setClientId_#in~handle, setClientId_#in~value := setup_chuck__wrappee__Base_~chuck___0, setup_chuck__wrappee__Base_~chuck___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 326#L2157-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 313#L2163-8true 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; 865#L1722-4true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 623#L1728-8true setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset := #t~string18.base, #t~string18.offset;havoc setup_#t~nondet19; 891#L215true havoc test_#t~nondet87, test_#t~nondet88, test_#t~nondet89, test_#t~nondet90, test_#t~nondet91, test_#t~nondet92, test_#t~nondet93, test_#t~nondet94, test_#t~nondet95, test_#t~nondet96, test_#t~nondet97, 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~16, test_~tmp___0~7, test_~tmp___1~4, test_~tmp___2~3, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~16;havoc test_~tmp___0~7;havoc test_~tmp___1~4;havoc test_~tmp___2~3;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 922#L1074-1true [2021-10-13 01:15:22,163 INFO L793 eck$LassoCheckResult]: Loop: 922#L1074-1true assume !false; 996#L923true assume test_~splverifierCounter~0 < 4; 213#L924true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 828#L930true assume !(0 == test_~op1~0); 486#L943true assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet88;havoc test_#t~nondet88; 513#L948true assume 0 != test_~tmp___8~0;setClientAutoResponse_#in~handle, setClientAutoResponse_#in~value := ~rjh~0, 1;havoc setClientAutoResponse_~handle, setClientAutoResponse_~value;setClientAutoResponse_~handle := setClientAutoResponse_#in~handle;setClientAutoResponse_~value := setClientAutoResponse_#in~value; 843#L1675true assume 1 == setClientAutoResponse_~handle;~__ste_client_autoResponse0~0 := setClientAutoResponse_~value; 376#L1681-2true test_~op2~0 := 1; 922#L1074-1true [2021-10-13 01:15:22,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:15:22,174 INFO L82 PathProgramCache]: Analyzing trace with hash 1291925977, now seen corresponding path program 1 times [2021-10-13 01:15:22,186 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:15:22,187 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778299201] [2021-10-13 01:15:22,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:15:22,189 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:15:22,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:15:22,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:15:22,584 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:15:22,584 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778299201] [2021-10-13 01:15:22,587 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1778299201] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:15:22,587 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:15:22,588 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 01:15:22,590 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514387974] [2021-10-13 01:15:22,606 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-13 01:15:22,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:15:22,612 INFO L82 PathProgramCache]: Analyzing trace with hash 527790547, now seen corresponding path program 1 times [2021-10-13 01:15:22,612 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:15:22,613 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157614128] [2021-10-13 01:15:22,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:15:22,614 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:15:22,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:15:22,643 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:15:22,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:15:22,687 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:15:22,838 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 01:15:22,838 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 01:15:22,839 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 01:15:22,839 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 01:15:22,839 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-13 01:15:22,839 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:15:22,840 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 01:15:22,840 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 01:15:22,840 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec1_product26.cil.c_Iteration1_Loop [2021-10-13 01:15:22,840 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 01:15:22,841 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 01:15:22,867 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:15:22,879 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:15:22,887 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:15:22,893 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:15:22,913 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:15:22,924 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:15:23,093 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 01:15:23,094 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-13 01:15:23,098 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:15:23,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9d17ca-a723-40c5-84f8-ad55a317124c/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:15:23,104 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9d17ca-a723-40c5-84f8-ad55a317124c/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:15:23,111 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 01:15:23,111 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 01:15:23,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9d17ca-a723-40c5-84f8-ad55a317124c/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-13 01:15:23,188 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9d17ca-a723-40c5-84f8-ad55a317124c/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-13 01:15:23,189 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:15:23,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9d17ca-a723-40c5-84f8-ad55a317124c/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:15:23,192 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9d17ca-a723-40c5-84f8-ad55a317124c/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:15:23,199 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-13 01:15:23,199 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 01:15:23,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9d17ca-a723-40c5-84f8-ad55a317124c/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-13 01:15:23,280 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-13 01:15:23,288 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9d17ca-a723-40c5-84f8-ad55a317124c/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-13 01:15:23,289 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 01:15:23,289 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 01:15:23,289 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 01:15:23,289 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 01:15:23,289 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 01:15:23,290 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:15:23,290 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 01:15:23,290 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 01:15:23,290 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec1_product26.cil.c_Iteration1_Loop [2021-10-13 01:15:23,290 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 01:15:23,290 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 01:15:23,292 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:15:23,303 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:15:23,315 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:15:23,329 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:15:23,341 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:15:23,353 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:15:23,518 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 01:15:23,523 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 01:15:23,525 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:15:23,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9d17ca-a723-40c5-84f8-ad55a317124c/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:15:23,526 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9d17ca-a723-40c5-84f8-ad55a317124c/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:15:23,532 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:15:23,544 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:15:23,544 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:15:23,545 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:15:23,545 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:15:23,545 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:15:23,548 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:15:23,549 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:15:23,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9d17ca-a723-40c5-84f8-ad55a317124c/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-13 01:15:23,567 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-13 01:15:23,581 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-13 01:15:23,581 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-13 01:15:23,583 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:15:23,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9d17ca-a723-40c5-84f8-ad55a317124c/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:15:23,599 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9d17ca-a723-40c5-84f8-ad55a317124c/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:15:23,627 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-13 01:15:23,627 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-13 01:15:23,628 INFO L513 LassoAnalysis]: Proved termination. [2021-10-13 01:15:23,629 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 7 Supporting invariants [] [2021-10-13 01:15:23,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9d17ca-a723-40c5-84f8-ad55a317124c/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-13 01:15:23,675 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9d17ca-a723-40c5-84f8-ad55a317124c/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-13 01:15:23,678 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-13 01:15:23,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:15:23,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:15:23,927 INFO L263 TraceCheckSpWp]: Trace formula consists of 633 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 01:15:23,932 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:15:24,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:15:24,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 01:15:24,079 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:15:24,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:15:24,242 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-10-13 01:15:24,247 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 1026 states, 1025 states have (on average 1.7278048780487805) internal successors, (1771), 1025 states have internal predecessors, (1771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:15:24,425 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9d17ca-a723-40c5-84f8-ad55a317124c/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-13 01:15:24,670 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 1026 states, 1025 states have (on average 1.7278048780487805) internal successors, (1771), 1025 states have internal predecessors, (1771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 2765 states and 4736 transitions. Complement of second has 7 states. [2021-10-13 01:15:24,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-13 01:15:24,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:15:24,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 3018 transitions. [2021-10-13 01:15:24,685 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 3018 transitions. Stem has 18 letters. Loop has 8 letters. [2021-10-13 01:15:24,687 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:15:24,688 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 3018 transitions. Stem has 26 letters. Loop has 8 letters. [2021-10-13 01:15:24,688 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:15:24,689 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 3018 transitions. Stem has 18 letters. Loop has 16 letters. [2021-10-13 01:15:24,690 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:15:24,691 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2765 states and 4736 transitions. [2021-10-13 01:15:24,728 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-13 01:15:24,731 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2765 states to 0 states and 0 transitions. [2021-10-13 01:15:24,733 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-13 01:15:24,733 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-13 01:15:24,734 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-13 01:15:24,734 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 01:15:24,734 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 01:15:24,735 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 01:15:24,735 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:15:24,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 01:15:24,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:15:24,743 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:15:24,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:15:24,747 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2021-10-13 01:15:24,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-13 01:15:24,747 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2021-10-13 01:15:24,748 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-13 01:15:24,748 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2021-10-13 01:15:24,748 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-13 01:15:24,748 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-13 01:15:24,748 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-13 01:15:24,748 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 01:15:24,750 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 01:15:24,751 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 01:15:24,751 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 01:15:24,751 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-13 01:15:24,751 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-13 01:15:24,751 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-13 01:15:24,751 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-13 01:15:24,758 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.10 01:15:24 BoogieIcfgContainer [2021-10-13 01:15:24,759 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-13 01:15:24,759 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 01:15:24,759 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 01:15:24,760 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 01:15:24,760 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:15:21" (3/4) ... [2021-10-13 01:15:24,764 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-13 01:15:24,764 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 01:15:24,768 INFO L168 Benchmark]: Toolchain (without parser) took 8431.29 ms. Allocated memory was 113.2 MB in the beginning and 205.5 MB in the end (delta: 92.3 MB). Free memory was 81.3 MB in the beginning and 97.5 MB in the end (delta: -16.2 MB). Peak memory consumption was 75.3 MB. Max. memory is 16.1 GB. [2021-10-13 01:15:24,769 INFO L168 Benchmark]: CDTParser took 0.38 ms. Allocated memory is still 113.2 MB. Free memory is still 66.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 01:15:24,770 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1422.35 ms. Allocated memory was 113.2 MB in the beginning and 148.9 MB in the end (delta: 35.7 MB). Free memory was 81.0 MB in the beginning and 95.4 MB in the end (delta: -14.5 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2021-10-13 01:15:24,772 INFO L168 Benchmark]: Boogie Procedure Inliner took 289.91 ms. Allocated memory is still 148.9 MB. Free memory was 95.4 MB in the beginning and 77.9 MB in the end (delta: 17.6 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2021-10-13 01:15:24,773 INFO L168 Benchmark]: Boogie Preprocessor took 238.12 ms. Allocated memory is still 148.9 MB. Free memory was 77.9 MB in the beginning and 64.4 MB in the end (delta: 13.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-13 01:15:24,781 INFO L168 Benchmark]: RCFGBuilder took 3563.19 ms. Allocated memory was 148.9 MB in the beginning and 205.5 MB in the end (delta: 56.6 MB). Free memory was 64.0 MB in the beginning and 103.9 MB in the end (delta: -39.9 MB). Peak memory consumption was 35.9 MB. Max. memory is 16.1 GB. [2021-10-13 01:15:24,781 INFO L168 Benchmark]: BuchiAutomizer took 2904.55 ms. Allocated memory is still 205.5 MB. Free memory was 103.9 MB in the beginning and 97.5 MB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 16.1 GB. [2021-10-13 01:15:24,782 INFO L168 Benchmark]: Witness Printer took 4.88 ms. Allocated memory is still 205.5 MB. Free memory is still 97.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 01:15:24,793 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 ms. Allocated memory is still 113.2 MB. Free memory is still 66.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1422.35 ms. Allocated memory was 113.2 MB in the beginning and 148.9 MB in the end (delta: 35.7 MB). Free memory was 81.0 MB in the beginning and 95.4 MB in the end (delta: -14.5 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 289.91 ms. Allocated memory is still 148.9 MB. Free memory was 95.4 MB in the beginning and 77.9 MB in the end (delta: 17.6 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 238.12 ms. Allocated memory is still 148.9 MB. Free memory was 77.9 MB in the beginning and 64.4 MB in the end (delta: 13.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * RCFGBuilder took 3563.19 ms. Allocated memory was 148.9 MB in the beginning and 205.5 MB in the end (delta: 56.6 MB). Free memory was 64.0 MB in the beginning and 103.9 MB in the end (delta: -39.9 MB). Peak memory consumption was 35.9 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 2904.55 ms. Allocated memory is still 205.5 MB. Free memory was 103.9 MB in the beginning and 97.5 MB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 16.1 GB. * Witness Printer took 4.88 ms. Allocated memory is still 205.5 MB. Free memory is still 97.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (1 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function 7 + -2 * splverifierCounter and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.5s. Construction of modules took 0.0s. Büchi inclusion checks took 1.0s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 1763 SDtfs, 1764 SDslu, 3422 SDs, 0 SdLazy, 6 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.1ms Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital45 mio100 ax100 hnf100 lsp24 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq209 hnf86 smp100 dnf120 smp100 tf108 neg92 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 104ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-13 01:15:24,858 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9d17ca-a723-40c5-84f8-ad55a317124c/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...