./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/email_spec0_product33.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_1d0e1530-6383-452d-b9c6-fdef1cf422e9/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d0e1530-6383-452d-b9c6-fdef1cf422e9/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_1d0e1530-6383-452d-b9c6-fdef1cf422e9/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d0e1530-6383-452d-b9c6-fdef1cf422e9/bin/uautomizer-WNIpwEf4Nt/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/email_spec0_product33.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d0e1530-6383-452d-b9c6-fdef1cf422e9/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_1d0e1530-6383-452d-b9c6-fdef1cf422e9/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 27e363c26496c51b8bb5bfcec3fee0f8649b98f2 ................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 00:29:26,939 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 00:29:26,942 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 00:29:26,996 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 00:29:26,997 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 00:29:27,002 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 00:29:27,005 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 00:29:27,010 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 00:29:27,013 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 00:29:27,022 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 00:29:27,023 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 00:29:27,026 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 00:29:27,026 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 00:29:27,030 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 00:29:27,033 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 00:29:27,040 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 00:29:27,042 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 00:29:27,044 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 00:29:27,046 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 00:29:27,058 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 00:29:27,060 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 00:29:27,063 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 00:29:27,067 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 00:29:27,068 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 00:29:27,073 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 00:29:27,073 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 00:29:27,074 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 00:29:27,077 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 00:29:27,077 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 00:29:27,079 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 00:29:27,081 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 00:29:27,082 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 00:29:27,085 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 00:29:27,086 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 00:29:27,088 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 00:29:27,088 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 00:29:27,089 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 00:29:27,090 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 00:29:27,090 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 00:29:27,091 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 00:29:27,092 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 00:29:27,093 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d0e1530-6383-452d-b9c6-fdef1cf422e9/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-13 00:29:27,137 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 00:29:27,137 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 00:29:27,138 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 00:29:27,138 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 00:29:27,139 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 00:29:27,139 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 00:29:27,140 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 00:29:27,140 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-13 00:29:27,140 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-13 00:29:27,140 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-13 00:29:27,141 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-13 00:29:27,141 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-13 00:29:27,141 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-13 00:29:27,141 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 00:29:27,142 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 00:29:27,142 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 00:29:27,142 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 00:29:27,142 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 00:29:27,143 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 00:29:27,143 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-13 00:29:27,143 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-13 00:29:27,143 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-13 00:29:27,144 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 00:29:27,144 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 00:29:27,144 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-13 00:29:27,144 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 00:29:27,144 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-13 00:29:27,145 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 00:29:27,145 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 00:29:27,145 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 00:29:27,146 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 00:29:27,146 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 00:29:27,147 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-13 00:29:27,147 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_1d0e1530-6383-452d-b9c6-fdef1cf422e9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d0e1530-6383-452d-b9c6-fdef1cf422e9/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 27e363c26496c51b8bb5bfcec3fee0f8649b98f2 [2021-10-13 00:29:27,445 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 00:29:27,484 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 00:29:27,487 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 00:29:27,489 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 00:29:27,490 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 00:29:27,491 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d0e1530-6383-452d-b9c6-fdef1cf422e9/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/product-lines/email_spec0_product33.cil.c [2021-10-13 00:29:27,580 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d0e1530-6383-452d-b9c6-fdef1cf422e9/bin/uautomizer-WNIpwEf4Nt/data/64fadc9b8/11038720ab6045fcbb518a9b8c43561f/FLAGbf1af4d4c [2021-10-13 00:29:28,228 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 00:29:28,228 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d0e1530-6383-452d-b9c6-fdef1cf422e9/sv-benchmarks/c/product-lines/email_spec0_product33.cil.c [2021-10-13 00:29:28,256 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d0e1530-6383-452d-b9c6-fdef1cf422e9/bin/uautomizer-WNIpwEf4Nt/data/64fadc9b8/11038720ab6045fcbb518a9b8c43561f/FLAGbf1af4d4c [2021-10-13 00:29:28,493 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d0e1530-6383-452d-b9c6-fdef1cf422e9/bin/uautomizer-WNIpwEf4Nt/data/64fadc9b8/11038720ab6045fcbb518a9b8c43561f [2021-10-13 00:29:28,496 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 00:29:28,501 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 00:29:28,504 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 00:29:28,505 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 00:29:28,509 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 00:29:28,510 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:29:28" (1/1) ... [2021-10-13 00:29:28,511 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@577a520 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:29:28, skipping insertion in model container [2021-10-13 00:29:28,512 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:29:28" (1/1) ... [2021-10-13 00:29:28,519 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 00:29:28,631 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 00:29:29,075 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_1d0e1530-6383-452d-b9c6-fdef1cf422e9/sv-benchmarks/c/product-lines/email_spec0_product33.cil.c[30904,30917] [2021-10-13 00:29:29,319 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:29:29,345 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 00:29:29,425 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_1d0e1530-6383-452d-b9c6-fdef1cf422e9/sv-benchmarks/c/product-lines/email_spec0_product33.cil.c[30904,30917] [2021-10-13 00:29:29,479 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:29:29,528 INFO L208 MainTranslator]: Completed translation [2021-10-13 00:29:29,528 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:29:29 WrapperNode [2021-10-13 00:29:29,529 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 00:29:29,530 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 00:29:29,530 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 00:29:29,530 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 00:29:29,537 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:29:29" (1/1) ... [2021-10-13 00:29:29,578 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:29:29" (1/1) ... [2021-10-13 00:29:29,749 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 00:29:29,750 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 00:29:29,750 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 00:29:29,750 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 00:29:29,760 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:29:29" (1/1) ... [2021-10-13 00:29:29,760 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:29:29" (1/1) ... [2021-10-13 00:29:29,787 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:29:29" (1/1) ... [2021-10-13 00:29:29,804 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:29:29" (1/1) ... [2021-10-13 00:29:29,871 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:29:29" (1/1) ... [2021-10-13 00:29:29,908 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:29:29" (1/1) ... [2021-10-13 00:29:29,919 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:29:29" (1/1) ... [2021-10-13 00:29:29,935 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 00:29:29,936 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 00:29:29,936 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 00:29:29,936 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 00:29:29,938 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:29:29" (1/1) ... [2021-10-13 00:29:29,947 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:29:29,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d0e1530-6383-452d-b9c6-fdef1cf422e9/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:29:29,994 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d0e1530-6383-452d-b9c6-fdef1cf422e9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:29:30,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d0e1530-6383-452d-b9c6-fdef1cf422e9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-13 00:29:30,087 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-10-13 00:29:30,087 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 00:29:30,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 00:29:30,088 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 00:29:30,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 00:29:32,607 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 00:29:32,607 INFO L299 CfgBuilder]: Removed 407 assume(true) statements. [2021-10-13 00:29:32,611 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:29:32 BoogieIcfgContainer [2021-10-13 00:29:32,611 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 00:29:32,627 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-13 00:29:32,628 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-13 00:29:32,631 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-13 00:29:32,632 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:29:32,632 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.10 12:29:28" (1/3) ... [2021-10-13 00:29:32,634 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6f3f9aef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 12:29:32, skipping insertion in model container [2021-10-13 00:29:32,634 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:29:32,635 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:29:29" (2/3) ... [2021-10-13 00:29:32,635 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6f3f9aef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 12:29:32, skipping insertion in model container [2021-10-13 00:29:32,635 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:29:32,636 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:29:32" (3/3) ... [2021-10-13 00:29:32,637 INFO L389 chiAutomizerObserver]: Analyzing ICFG email_spec0_product33.cil.c [2021-10-13 00:29:32,683 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-13 00:29:32,683 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-13 00:29:32,683 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-13 00:29:32,683 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-13 00:29:32,683 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-13 00:29:32,684 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-13 00:29:32,684 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-13 00:29:32,684 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-13 00:29:32,728 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 589 states, 588 states have (on average 1.7261904761904763) internal successors, (1015), 588 states have internal predecessors, (1015), 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 00:29:32,814 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 216 [2021-10-13 00:29:32,814 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:29:32,815 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:29:32,833 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 00:29:32,833 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:29:32,833 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-13 00:29:32,836 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 589 states, 588 states have (on average 1.7261904761904763) internal successors, (1015), 588 states have internal predecessors, (1015), 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 00:29:32,881 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 216 [2021-10-13 00:29:32,882 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:29:32,882 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:29:32,884 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 00:29:32,885 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:29:32,891 INFO L791 eck$LassoCheckResult]: Stem: 574#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~string10.base, #t~string10.offset := #Ultimate.allocOnStack(10);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(12);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(10);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(18);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(16);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(13);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(16);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(25);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(16);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(10);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(16);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(20);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(22);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(21);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string72.base, #t~string72.offset, 1);call write~init~int(115, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(10, #t~string72.base, 2 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 3 + #t~string72.offset, 1);call #t~string92.base, #t~string92.offset := #Ultimate.allocOnStack(30);call #t~string93.base, #t~string93.offset := #Ultimate.allocOnStack(9);call #t~string94.base, #t~string94.offset := #Ultimate.allocOnStack(21);call #t~string95.base, #t~string95.offset := #Ultimate.allocOnStack(30);call #t~string96.base, #t~string96.offset := #Ultimate.allocOnStack(9);call #t~string97.base, #t~string97.offset := #Ultimate.allocOnStack(21);call #t~string101.base, #t~string101.offset := #Ultimate.allocOnStack(30);call #t~string102.base, #t~string102.offset := #Ultimate.allocOnStack(9);call #t~string103.base, #t~string103.offset := #Ultimate.allocOnStack(25);call #t~string104.base, #t~string104.offset := #Ultimate.allocOnStack(30);call #t~string105.base, #t~string105.offset := #Ultimate.allocOnStack(9);call #t~string106.base, #t~string106.offset := #Ultimate.allocOnStack(25);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);~__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;~__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;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0; 488#L-1true havoc main_#res;havoc main_#t~ret122, main_~retValue_acc~43, main_~tmp~23;havoc main_~retValue_acc~43;havoc main_~tmp~23; 233#L1306true havoc valid_product_#res;havoc valid_product_~retValue_acc~22;havoc valid_product_~retValue_acc~22;valid_product_~retValue_acc~22 := 1;valid_product_#res := valid_product_~retValue_acc~22; 475#L1314true main_#t~ret122 := valid_product_#res;main_~tmp~23 := main_#t~ret122;havoc main_#t~ret122; 286#L2676true assume 0 != main_~tmp~23;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_tmp3~4.base, setup_~__cil_tmp3~4.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_tmp3~4.base, setup_~__cil_tmp3~4.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; 553#L1104true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 7#L1110-2true 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; 418#L669true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 320#L675-2true 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; 220#L1104-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 575#L1110-5true 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; 348#L669-2true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 449#L675-5true 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; 316#L1104-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 100#L1110-8true 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; 36#L669-4true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 334#L675-8true setup_~__cil_tmp3~4.base, setup_~__cil_tmp3~4.offset := #t~string120.base, #t~string120.offset;havoc setup_#t~nondet121; 341#L2663true havoc test_#t~nondet137, test_#t~nondet138, test_#t~nondet139, test_#t~nondet140, test_#t~nondet141, test_#t~nondet142, test_#t~nondet143, test_#t~nondet144, test_#t~nondet145, test_#t~nondet146, test_#t~nondet147, 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~25, test_~tmp___0~8, test_~tmp___1~4, test_~tmp___2~3, test_~tmp___3~1, test_~tmp___4~1, 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~25;havoc test_~tmp___0~8;havoc test_~tmp___1~4;havoc test_~tmp___2~3;havoc test_~tmp___3~1;havoc test_~tmp___4~1;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; 576#L3008-1true [2021-10-13 00:29:32,891 INFO L793 eck$LassoCheckResult]: Loop: 576#L3008-1true assume !false; 9#L2860true assume test_~splverifierCounter~0 < 4; 549#L2861true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 33#L2867true assume !(0 == test_~op1~0); 570#L2880true assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet138;havoc test_#t~nondet138; 201#L2885true 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; 546#L622true assume 1 == setClientAutoResponse_~handle;~__ste_client_autoResponse0~0 := setClientAutoResponse_~value; 453#L628-2true test_~op2~0 := 1; 576#L3008-1true [2021-10-13 00:29:32,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:29:32,897 INFO L82 PathProgramCache]: Analyzing trace with hash 1291925977, now seen corresponding path program 1 times [2021-10-13 00:29:32,907 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:29:32,908 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10973023] [2021-10-13 00:29:32,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:29:32,909 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:29:33,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:29:33,268 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 00:29:33,291 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:29:33,292 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10973023] [2021-10-13 00:29:33,293 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [10973023] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:29:33,293 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:29:33,294 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:29:33,296 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837267121] [2021-10-13 00:29:33,301 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-13 00:29:33,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:29:33,303 INFO L82 PathProgramCache]: Analyzing trace with hash 527790547, now seen corresponding path program 1 times [2021-10-13 00:29:33,303 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:29:33,304 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147386776] [2021-10-13 00:29:33,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:29:33,304 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:29:33,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:29:33,318 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:29:33,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:29:33,374 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:29:33,501 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 00:29:33,502 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 00:29:33,502 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 00:29:33,502 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 00:29:33,503 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-13 00:29:33,503 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:29:33,503 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 00:29:33,503 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 00:29:33,503 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec0_product33.cil.c_Iteration1_Loop [2021-10-13 00:29:33,503 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 00:29:33,504 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 00:29:33,528 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 00:29:33,539 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 00:29:33,563 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 00:29:33,570 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 00:29:33,576 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 00:29:33,584 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 00:29:33,707 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 00:29:33,708 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-13 00:29:33,710 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:29:33,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d0e1530-6383-452d-b9c6-fdef1cf422e9/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:29:33,713 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d0e1530-6383-452d-b9c6-fdef1cf422e9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:29:33,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d0e1530-6383-452d-b9c6-fdef1cf422e9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-13 00:29:33,733 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:29:33,733 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:29:33,766 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 00:29:33,766 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_~tmp___8~0=4, ULTIMATE.start_test_#t~nondet138=4} Honda state: {ULTIMATE.start_test_~tmp___8~0=4, ULTIMATE.start_test_#t~nondet138=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-13 00:29:33,803 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d0e1530-6383-452d-b9c6-fdef1cf422e9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-13 00:29:33,804 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:29:33,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d0e1530-6383-452d-b9c6-fdef1cf422e9/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:29:33,805 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d0e1530-6383-452d-b9c6-fdef1cf422e9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:29:33,810 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:29:33,810 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:29:33,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d0e1530-6383-452d-b9c6-fdef1cf422e9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-13 00:29:33,832 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 00:29:33,832 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~__ste_client_autoResponse0~0=1, ULTIMATE.start_setClientAutoResponse_#in~value=1, ULTIMATE.start_setClientAutoResponse_~value=1} Honda state: {~__ste_client_autoResponse0~0=1, ULTIMATE.start_setClientAutoResponse_#in~value=1, ULTIMATE.start_setClientAutoResponse_~value=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-13 00:29:33,871 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d0e1530-6383-452d-b9c6-fdef1cf422e9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-13 00:29:33,871 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:29:33,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d0e1530-6383-452d-b9c6-fdef1cf422e9/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:29:33,879 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d0e1530-6383-452d-b9c6-fdef1cf422e9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:29:33,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d0e1530-6383-452d-b9c6-fdef1cf422e9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-13 00:29:33,885 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:29:33,885 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:29:33,920 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d0e1530-6383-452d-b9c6-fdef1cf422e9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-13 00:29:33,928 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:29:33,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d0e1530-6383-452d-b9c6-fdef1cf422e9/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:29:33,930 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d0e1530-6383-452d-b9c6-fdef1cf422e9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:29:33,936 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-13 00:29:33,936 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:29:33,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d0e1530-6383-452d-b9c6-fdef1cf422e9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-13 00:29:34,009 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-13 00:29:34,012 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d0e1530-6383-452d-b9c6-fdef1cf422e9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-13 00:29:34,013 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 00:29:34,013 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 00:29:34,013 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 00:29:34,013 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 00:29:34,013 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 00:29:34,013 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:29:34,014 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 00:29:34,014 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 00:29:34,014 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec0_product33.cil.c_Iteration1_Loop [2021-10-13 00:29:34,014 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 00:29:34,014 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 00:29:34,016 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 00:29:34,026 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 00:29:34,032 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 00:29:34,047 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 00:29:34,053 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 00:29:34,061 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 00:29:34,188 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 00:29:34,193 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 00:29:34,194 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:29:34,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d0e1530-6383-452d-b9c6-fdef1cf422e9/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:29:34,196 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d0e1530-6383-452d-b9c6-fdef1cf422e9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:29:34,205 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 00:29:34,215 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:29:34,215 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:29:34,216 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:29:34,216 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-13 00:29:34,216 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:29:34,220 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-13 00:29:34,220 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:29:34,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d0e1530-6383-452d-b9c6-fdef1cf422e9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-13 00:29:34,237 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:29:34,274 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d0e1530-6383-452d-b9c6-fdef1cf422e9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-13 00:29:34,274 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:29:34,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d0e1530-6383-452d-b9c6-fdef1cf422e9/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:29:34,276 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d0e1530-6383-452d-b9c6-fdef1cf422e9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:29:34,281 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 00:29:34,290 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:29:34,290 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:29:34,291 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:29:34,291 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:29:34,291 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:29:34,292 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:29:34,292 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:29:34,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d0e1530-6383-452d-b9c6-fdef1cf422e9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-13 00:29:34,305 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-13 00:29:34,308 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-13 00:29:34,308 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-13 00:29:34,310 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:29:34,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d0e1530-6383-452d-b9c6-fdef1cf422e9/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:29:34,319 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d0e1530-6383-452d-b9c6-fdef1cf422e9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:29:34,330 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-13 00:29:34,330 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-13 00:29:34,330 INFO L513 LassoAnalysis]: Proved termination. [2021-10-13 00:29:34,331 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 00:29:34,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d0e1530-6383-452d-b9c6-fdef1cf422e9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-13 00:29:34,366 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d0e1530-6383-452d-b9c6-fdef1cf422e9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-13 00:29:34,368 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-13 00:29:34,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:29:34,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:29:34,615 INFO L263 TraceCheckSpWp]: Trace formula consists of 637 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 00:29:34,620 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:29:34,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:29:34,728 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 00:29:34,729 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:29:34,855 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d0e1530-6383-452d-b9c6-fdef1cf422e9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-13 00:29:34,915 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 00:29:34,933 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 00:29:34,936 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 589 states, 588 states have (on average 1.7261904761904763) internal successors, (1015), 588 states have internal predecessors, (1015), 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 00:29:35,166 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 589 states, 588 states have (on average 1.7261904761904763) internal successors, (1015), 588 states have internal predecessors, (1015), 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 1497 states and 2554 transitions. Complement of second has 7 states. [2021-10-13 00:29:35,167 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 00:29:35,170 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 00:29:35,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1588 transitions. [2021-10-13 00:29:35,175 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1588 transitions. Stem has 18 letters. Loop has 8 letters. [2021-10-13 00:29:35,177 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:29:35,177 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1588 transitions. Stem has 26 letters. Loop has 8 letters. [2021-10-13 00:29:35,177 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:29:35,177 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1588 transitions. Stem has 18 letters. Loop has 16 letters. [2021-10-13 00:29:35,180 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:29:35,181 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1497 states and 2554 transitions. [2021-10-13 00:29:35,206 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-13 00:29:35,209 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1497 states to 0 states and 0 transitions. [2021-10-13 00:29:35,210 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-13 00:29:35,210 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-13 00:29:35,211 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-13 00:29:35,211 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 00:29:35,211 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 00:29:35,211 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 00:29:35,211 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:29:35,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:29:35,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:29:35,218 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 00:29:35,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:29:35,221 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2021-10-13 00:29:35,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-13 00:29:35,222 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2021-10-13 00:29:35,222 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-13 00:29:35,222 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2021-10-13 00:29:35,222 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-13 00:29:35,222 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-13 00:29:35,222 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-13 00:29:35,223 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 00:29:35,223 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 00:29:35,223 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 00:29:35,223 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 00:29:35,223 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-13 00:29:35,223 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-13 00:29:35,223 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-13 00:29:35,223 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-13 00:29:35,229 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.10 12:29:35 BoogieIcfgContainer [2021-10-13 00:29:35,230 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-13 00:29:35,231 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 00:29:35,231 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 00:29:35,231 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 00:29:35,232 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:29:32" (3/4) ... [2021-10-13 00:29:35,235 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-13 00:29:35,235 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 00:29:35,237 INFO L168 Benchmark]: Toolchain (without parser) took 6734.91 ms. Allocated memory was 115.3 MB in the beginning and 142.6 MB in the end (delta: 27.3 MB). Free memory was 77.4 MB in the beginning and 62.5 MB in the end (delta: 14.9 MB). Peak memory consumption was 44.7 MB. Max. memory is 16.1 GB. [2021-10-13 00:29:35,237 INFO L168 Benchmark]: CDTParser took 0.38 ms. Allocated memory is still 115.3 MB. Free memory was 89.4 MB in the beginning and 89.4 MB in the end (delta: 27.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:29:35,238 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1024.59 ms. Allocated memory is still 115.3 MB. Free memory was 77.2 MB in the beginning and 61.5 MB in the end (delta: 15.6 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2021-10-13 00:29:35,239 INFO L168 Benchmark]: Boogie Procedure Inliner took 219.38 ms. Allocated memory is still 115.3 MB. Free memory was 61.5 MB in the beginning and 50.0 MB in the end (delta: 11.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 00:29:35,239 INFO L168 Benchmark]: Boogie Preprocessor took 185.57 ms. Allocated memory is still 115.3 MB. Free memory was 50.0 MB in the beginning and 41.6 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 00:29:35,240 INFO L168 Benchmark]: RCFGBuilder took 2675.09 ms. Allocated memory was 115.3 MB in the beginning and 142.6 MB in the end (delta: 27.3 MB). Free memory was 41.6 MB in the beginning and 78.5 MB in the end (delta: -36.9 MB). Peak memory consumption was 23.3 MB. Max. memory is 16.1 GB. [2021-10-13 00:29:35,241 INFO L168 Benchmark]: BuchiAutomizer took 2602.47 ms. Allocated memory is still 142.6 MB. Free memory was 77.5 MB in the beginning and 62.5 MB in the end (delta: 15.0 MB). Peak memory consumption was 15.9 MB. Max. memory is 16.1 GB. [2021-10-13 00:29:35,241 INFO L168 Benchmark]: Witness Printer took 3.88 ms. Allocated memory is still 142.6 MB. Free memory is still 62.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:29:35,245 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 115.3 MB. Free memory was 89.4 MB in the beginning and 89.4 MB in the end (delta: 27.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1024.59 ms. Allocated memory is still 115.3 MB. Free memory was 77.2 MB in the beginning and 61.5 MB in the end (delta: 15.6 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 219.38 ms. Allocated memory is still 115.3 MB. Free memory was 61.5 MB in the beginning and 50.0 MB in the end (delta: 11.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 185.57 ms. Allocated memory is still 115.3 MB. Free memory was 50.0 MB in the beginning and 41.6 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2675.09 ms. Allocated memory was 115.3 MB in the beginning and 142.6 MB in the end (delta: 27.3 MB). Free memory was 41.6 MB in the beginning and 78.5 MB in the end (delta: -36.9 MB). Peak memory consumption was 23.3 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 2602.47 ms. Allocated memory is still 142.6 MB. Free memory was 77.5 MB in the beginning and 62.5 MB in the end (delta: 15.0 MB). Peak memory consumption was 15.9 MB. Max. memory is 16.1 GB. * Witness Printer took 3.88 ms. Allocated memory is still 142.6 MB. Free memory is still 62.5 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 2.5s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.7s. 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: 1011 SDtfs, 1012 SDslu, 1918 SDs, 0 SdLazy, 6 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.1ms 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: unsat Degree: 0 Time: 42ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-13 00:29:35,293 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d0e1530-6383-452d-b9c6-fdef1cf422e9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...