./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/email_spec1_product14.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f8e1c903 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aafe0619-31b9-451f-8368-702085acd8ec/bin/uautomizer-IVEQpCNsaX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aafe0619-31b9-451f-8368-702085acd8ec/bin/uautomizer-IVEQpCNsaX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aafe0619-31b9-451f-8368-702085acd8ec/bin/uautomizer-IVEQpCNsaX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aafe0619-31b9-451f-8368-702085acd8ec/bin/uautomizer-IVEQpCNsaX/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/email_spec1_product14.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aafe0619-31b9-451f-8368-702085acd8ec/bin/uautomizer-IVEQpCNsaX/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aafe0619-31b9-451f-8368-702085acd8ec/bin/uautomizer-IVEQpCNsaX --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 7bf93f828cd20929ce9c5f311b0e320b3840eed4f400e7f2f8e12c9cdbceb4d2 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-f8e1c90 [2021-11-09 08:58:07,213 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-09 08:58:07,216 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-09 08:58:07,254 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-09 08:58:07,255 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-09 08:58:07,257 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-09 08:58:07,259 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-09 08:58:07,262 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-09 08:58:07,265 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-09 08:58:07,266 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-09 08:58:07,268 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-09 08:58:07,270 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-09 08:58:07,271 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-09 08:58:07,273 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-09 08:58:07,275 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-09 08:58:07,277 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-09 08:58:07,278 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-09 08:58:07,280 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-09 08:58:07,282 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-09 08:58:07,286 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-09 08:58:07,288 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-09 08:58:07,290 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-09 08:58:07,292 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-09 08:58:07,293 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-09 08:58:07,298 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-09 08:58:07,299 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-09 08:58:07,299 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-09 08:58:07,301 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-09 08:58:07,302 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-09 08:58:07,303 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-09 08:58:07,304 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-09 08:58:07,305 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-09 08:58:07,306 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-09 08:58:07,307 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-09 08:58:07,309 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-09 08:58:07,309 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-09 08:58:07,310 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-09 08:58:07,311 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-09 08:58:07,311 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-09 08:58:07,312 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-09 08:58:07,313 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-09 08:58:07,317 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aafe0619-31b9-451f-8368-702085acd8ec/bin/uautomizer-IVEQpCNsaX/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-11-09 08:58:07,350 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-09 08:58:07,350 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-09 08:58:07,350 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-09 08:58:07,351 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-09 08:58:07,352 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-09 08:58:07,352 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-09 08:58:07,353 INFO L138 SettingsManager]: * Use SBE=true [2021-11-09 08:58:07,353 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-09 08:58:07,353 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-09 08:58:07,354 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-09 08:58:07,354 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-09 08:58:07,354 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-09 08:58:07,354 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-09 08:58:07,355 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-09 08:58:07,355 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-09 08:58:07,355 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-09 08:58:07,355 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-09 08:58:07,356 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-09 08:58:07,356 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-09 08:58:07,356 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-09 08:58:07,356 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-09 08:58:07,357 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-09 08:58:07,357 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-09 08:58:07,357 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-09 08:58:07,357 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-09 08:58:07,358 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-09 08:58:07,358 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-09 08:58:07,358 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-09 08:58:07,359 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-09 08:58:07,359 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-09 08:58:07,359 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-09 08:58:07,359 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-09 08:58:07,361 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-09 08:58:07,361 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_aafe0619-31b9-451f-8368-702085acd8ec/bin/uautomizer-IVEQpCNsaX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aafe0619-31b9-451f-8368-702085acd8ec/bin/uautomizer-IVEQpCNsaX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7bf93f828cd20929ce9c5f311b0e320b3840eed4f400e7f2f8e12c9cdbceb4d2 [2021-11-09 08:58:07,719 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-09 08:58:07,747 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-09 08:58:07,750 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-09 08:58:07,752 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-09 08:58:07,753 INFO L275 PluginConnector]: CDTParser initialized [2021-11-09 08:58:07,754 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aafe0619-31b9-451f-8368-702085acd8ec/bin/uautomizer-IVEQpCNsaX/../../sv-benchmarks/c/product-lines/email_spec1_product14.cil.c [2021-11-09 08:58:07,845 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aafe0619-31b9-451f-8368-702085acd8ec/bin/uautomizer-IVEQpCNsaX/data/c1bfb6bd3/57c4297e7ded4129a352e901a0e552bd/FLAG7afd141ff [2021-11-09 08:58:08,629 INFO L306 CDTParser]: Found 1 translation units. [2021-11-09 08:58:08,630 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aafe0619-31b9-451f-8368-702085acd8ec/sv-benchmarks/c/product-lines/email_spec1_product14.cil.c [2021-11-09 08:58:08,656 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aafe0619-31b9-451f-8368-702085acd8ec/bin/uautomizer-IVEQpCNsaX/data/c1bfb6bd3/57c4297e7ded4129a352e901a0e552bd/FLAG7afd141ff [2021-11-09 08:58:08,758 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aafe0619-31b9-451f-8368-702085acd8ec/bin/uautomizer-IVEQpCNsaX/data/c1bfb6bd3/57c4297e7ded4129a352e901a0e552bd [2021-11-09 08:58:08,761 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-09 08:58:08,768 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-09 08:58:08,773 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-09 08:58:08,773 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-09 08:58:08,778 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-09 08:58:08,780 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 08:58:08" (1/1) ... [2021-11-09 08:58:08,782 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c50b655 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:58:08, skipping insertion in model container [2021-11-09 08:58:08,783 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 08:58:08" (1/1) ... [2021-11-09 08:58:08,792 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-09 08:58:08,887 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-09 08:58:09,580 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_aafe0619-31b9-451f-8368-702085acd8ec/sv-benchmarks/c/product-lines/email_spec1_product14.cil.c[62671,62684] [2021-11-09 08:58:09,583 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 08:58:09,600 INFO L203 MainTranslator]: Completed pre-run [2021-11-09 08:58:09,749 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_aafe0619-31b9-451f-8368-702085acd8ec/sv-benchmarks/c/product-lines/email_spec1_product14.cil.c[62671,62684] [2021-11-09 08:58:09,750 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 08:58:09,798 INFO L208 MainTranslator]: Completed translation [2021-11-09 08:58:09,798 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:58:09 WrapperNode [2021-11-09 08:58:09,799 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-09 08:58:09,800 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-09 08:58:09,800 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-09 08:58:09,801 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-09 08:58:09,810 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:58:09" (1/1) ... [2021-11-09 08:58:09,870 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:58:09" (1/1) ... [2021-11-09 08:58:09,994 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-09 08:58:09,995 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-09 08:58:09,995 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-09 08:58:09,996 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-09 08:58:10,006 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:58:09" (1/1) ... [2021-11-09 08:58:10,006 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:58:09" (1/1) ... [2021-11-09 08:58:10,019 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:58:09" (1/1) ... [2021-11-09 08:58:10,019 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:58:09" (1/1) ... [2021-11-09 08:58:10,137 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:58:09" (1/1) ... [2021-11-09 08:58:10,177 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:58:09" (1/1) ... [2021-11-09 08:58:10,186 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:58:09" (1/1) ... [2021-11-09 08:58:10,209 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-09 08:58:10,210 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-09 08:58:10,210 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-09 08:58:10,210 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-09 08:58:10,212 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:58:09" (1/1) ... [2021-11-09 08:58:10,229 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:58:10,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aafe0619-31b9-451f-8368-702085acd8ec/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:58:10,258 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aafe0619-31b9-451f-8368-702085acd8ec/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:58:10,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aafe0619-31b9-451f-8368-702085acd8ec/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-09 08:58:10,326 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-11-09 08:58:10,327 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-09 08:58:10,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-09 08:58:10,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-09 08:58:10,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-09 08:58:13,351 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-09 08:58:13,352 INFO L299 CfgBuilder]: Removed 453 assume(true) statements. [2021-11-09 08:58:13,356 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 08:58:13 BoogieIcfgContainer [2021-11-09 08:58:13,356 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-09 08:58:13,362 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-09 08:58:13,363 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-09 08:58:13,367 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-09 08:58:13,368 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-09 08:58:13,369 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 09.11 08:58:08" (1/3) ... [2021-11-09 08:58:13,370 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@28bbc353 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.11 08:58:13, skipping insertion in model container [2021-11-09 08:58:13,370 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-09 08:58:13,371 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:58:09" (2/3) ... [2021-11-09 08:58:13,371 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@28bbc353 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.11 08:58:13, skipping insertion in model container [2021-11-09 08:58:13,371 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-09 08:58:13,371 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 08:58:13" (3/3) ... [2021-11-09 08:58:13,374 INFO L389 chiAutomizerObserver]: Analyzing ICFG email_spec1_product14.cil.c [2021-11-09 08:58:13,442 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-09 08:58:13,442 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-09 08:58:13,443 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-09 08:58:13,443 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-09 08:58:13,443 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-09 08:58:13,443 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-09 08:58:13,461 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-09 08:58:13,461 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-09 08:58:13,522 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 754 states, 753 states have (on average 1.7675962815405046) internal successors, (1331), 753 states have internal predecessors, (1331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:58:13,620 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 251 [2021-11-09 08:58:13,621 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-09 08:58:13,621 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-09 08:58:13,636 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 08:58:13,636 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-11-09 08:58:13,636 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-09 08:58:13,639 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 754 states, 753 states have (on average 1.7675962815405046) internal successors, (1331), 753 states have internal predecessors, (1331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:58:13,662 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 251 [2021-11-09 08:58:13,662 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-09 08:58:13,663 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-09 08:58:13,666 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 08:58:13,666 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-11-09 08:58:13,673 INFO L791 eck$LassoCheckResult]: Stem: 728#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~string9.base, #t~string9.offset := #Ultimate.allocOnStack(13);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(10);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(34);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(30);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(16);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(20);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(10);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(12);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(10);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(18);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(16);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(21);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string57.base, #t~string57.offset, 1);call write~init~int(115, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(10, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 3 + #t~string57.offset, 1);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(30);call #t~string79.base, #t~string79.offset := #Ultimate.allocOnStack(9);call #t~string80.base, #t~string80.offset := #Ultimate.allocOnStack(21);call #t~string81.base, #t~string81.offset := #Ultimate.allocOnStack(30);call #t~string82.base, #t~string82.offset := #Ultimate.allocOnStack(9);call #t~string83.base, #t~string83.offset := #Ultimate.allocOnStack(21);call #t~string87.base, #t~string87.offset := #Ultimate.allocOnStack(30);call #t~string88.base, #t~string88.offset := #Ultimate.allocOnStack(9);call #t~string89.base, #t~string89.offset := #Ultimate.allocOnStack(25);call #t~string90.base, #t~string90.offset := #Ultimate.allocOnStack(30);call #t~string91.base, #t~string91.offset := #Ultimate.allocOnStack(9);call #t~string92.base, #t~string92.offset := #Ultimate.allocOnStack(25);call #t~string106.base, #t~string106.offset := #Ultimate.allocOnStack(44);call #t~string111.base, #t~string111.offset := #Ultimate.allocOnStack(44);call #t~string113.base, #t~string113.offset := #Ultimate.allocOnStack(9);call #t~string115.base, #t~string115.offset := #Ultimate.allocOnStack(9);call #t~string117.base, #t~string117.offset := #Ultimate.allocOnStack(11);call #t~string121.base, #t~string121.offset := #Ultimate.allocOnStack(19);call #t~string124.base, #t~string124.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string124.base, #t~string124.offset, 1);call write~init~int(100, #t~string124.base, 1 + #t~string124.offset, 1);call write~init~int(10, #t~string124.base, 2 + #t~string124.offset, 1);call write~init~int(0, #t~string124.base, 3 + #t~string124.offset, 1);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);~__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;~mail_is_sensitive~0 := -1;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0; 605#L-1true havoc main_#res;havoc main_#t~ret119, main_~retValue_acc~32, main_~tmp~18;havoc main_~retValue_acc~32;havoc main_~tmp~18; 347#L1605true havoc valid_product_#res;havoc valid_product_~retValue_acc~28;havoc valid_product_~retValue_acc~28;valid_product_~retValue_acc~28 := 1;valid_product_#res := valid_product_~retValue_acc~28; 322#L1613true main_#t~ret119 := valid_product_#res;main_~tmp~18 := main_#t~ret119;havoc main_#t~ret119; 445#L2350true assume 0 != main_~tmp~18;havoc setup_#t~nondet114, setup_#t~nondet116, setup_#t~nondet118, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~1.base, setup_~__cil_tmp3~1.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_tmp3~1.base, setup_~__cil_tmp3~1.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; 631#L1112true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 403#L1118-2true 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; 384#L677true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 40#L683-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string113.base, #t~string113.offset;havoc setup_#t~nondet114;~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; 122#L1112-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 508#L1118-5true 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; 265#L677-2true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 68#L683-5true setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string115.base, #t~string115.offset;havoc setup_#t~nondet116;~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; 377#L1112-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 434#L1118-8true 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; 353#L677-4true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 540#L683-8true setup_~__cil_tmp3~1.base, setup_~__cil_tmp3~1.offset := #t~string117.base, #t~string117.offset;havoc setup_#t~nondet118; 16#L2337true havoc test_#t~nondet95, test_#t~nondet96, test_#t~nondet97, test_#t~nondet98, test_#t~nondet99, test_#t~nondet100, test_#t~nondet101, test_#t~nondet102, test_#t~nondet103, test_#t~nondet104, test_#t~nondet105, 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___0~5, test_~tmp___1~3, 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___0~5;havoc test_~tmp___1~3;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; 133#L2178-1true [2021-11-09 08:58:13,673 INFO L793 eck$LassoCheckResult]: Loop: 133#L2178-1true assume !false; 61#L2033true assume test_~splverifierCounter~0 < 4; 487#L2034true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 755#L2040true assume !(0 == test_~op1~0); 203#L2053true assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet96;havoc test_#t~nondet96; 155#L2058true assume 0 != test_~tmp___8~0;test_~op2~0 := 1; 133#L2178-1true [2021-11-09 08:58:13,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:58:13,680 INFO L85 PathProgramCache]: Analyzing trace with hash 1291925977, now seen corresponding path program 1 times [2021-11-09 08:58:13,691 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:58:13,691 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168567207] [2021-11-09 08:58:13,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:58:13,693 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:58:13,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:58:14,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:58:14,171 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:58:14,172 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168567207] [2021-11-09 08:58:14,172 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [168567207] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:58:14,173 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:58:14,173 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 08:58:14,175 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790691884] [2021-11-09 08:58:14,181 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-09 08:58:14,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:58:14,182 INFO L85 PathProgramCache]: Analyzing trace with hash 590492675, now seen corresponding path program 1 times [2021-11-09 08:58:14,182 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:58:14,183 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556097383] [2021-11-09 08:58:14,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:58:14,183 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:58:14,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:58:14,195 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 08:58:14,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:58:14,237 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 08:58:14,310 INFO L210 LassoAnalysis]: Preferences: [2021-11-09 08:58:14,310 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-09 08:58:14,311 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-09 08:58:14,311 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-09 08:58:14,311 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-09 08:58:14,311 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:58:14,312 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-09 08:58:14,312 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-09 08:58:14,312 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec1_product14.cil.c_Iteration1_Loop [2021-11-09 08:58:14,312 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-09 08:58:14,313 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-09 08:58:14,334 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:58:14,344 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:58:14,352 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:58:14,359 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:58:14,457 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-09 08:58:14,458 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-09 08:58:14,460 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:58:14,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aafe0619-31b9-451f-8368-702085acd8ec/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:58:14,481 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aafe0619-31b9-451f-8368-702085acd8ec/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:58:14,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aafe0619-31b9-451f-8368-702085acd8ec/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-09 08:58:14,526 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-09 08:58:14,527 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-09 08:58:14,577 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aafe0619-31b9-451f-8368-702085acd8ec/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-11-09 08:58:14,578 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:58:14,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aafe0619-31b9-451f-8368-702085acd8ec/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:58:14,579 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aafe0619-31b9-451f-8368-702085acd8ec/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:58:14,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aafe0619-31b9-451f-8368-702085acd8ec/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-09 08:58:14,581 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-09 08:58:14,581 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-09 08:58:14,594 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-09 08:58:14,621 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aafe0619-31b9-451f-8368-702085acd8ec/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-11-09 08:58:14,622 INFO L210 LassoAnalysis]: Preferences: [2021-11-09 08:58:14,622 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-09 08:58:14,622 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-09 08:58:14,622 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-09 08:58:14,622 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-09 08:58:14,622 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:58:14,622 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-09 08:58:14,623 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-09 08:58:14,623 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec1_product14.cil.c_Iteration1_Loop [2021-11-09 08:58:14,623 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-09 08:58:14,623 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-09 08:58:14,624 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:58:14,638 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:58:14,652 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:58:14,658 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:58:14,759 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-09 08:58:14,765 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-09 08:58:14,771 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:58:14,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aafe0619-31b9-451f-8368-702085acd8ec/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:58:14,773 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aafe0619-31b9-451f-8368-702085acd8ec/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:58:14,777 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:58:14,789 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:58:14,789 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:58:14,790 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:58:14,790 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:58:14,790 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:58:14,794 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 08:58:14,795 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:58:14,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aafe0619-31b9-451f-8368-702085acd8ec/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-09 08:58:14,812 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-09 08:58:14,821 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-11-09 08:58:14,821 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-11-09 08:58:14,823 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:58:14,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aafe0619-31b9-451f-8368-702085acd8ec/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:58:14,827 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aafe0619-31b9-451f-8368-702085acd8ec/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:58:14,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aafe0619-31b9-451f-8368-702085acd8ec/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-09 08:58:14,849 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-09 08:58:14,849 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-11-09 08:58:14,850 INFO L513 LassoAnalysis]: Proved termination. [2021-11-09 08:58:14,851 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op2~0) = -2*ULTIMATE.start_test_~op2~0 + 1 Supporting invariants [] [2021-11-09 08:58:14,884 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aafe0619-31b9-451f-8368-702085acd8ec/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-11-09 08:58:14,887 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-11-09 08:58:14,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:58:15,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:58:15,127 INFO L263 TraceCheckSpWp]: Trace formula consists of 621 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-09 08:58:15,131 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 08:58:15,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:58:15,235 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-09 08:58:15,236 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 08:58:15,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:58:15,325 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-11-09 08:58:15,329 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 754 states, 753 states have (on average 1.7675962815405046) internal successors, (1331), 753 states have internal predecessors, (1331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:58:15,510 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aafe0619-31b9-451f-8368-702085acd8ec/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-11-09 08:58:15,725 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 754 states, 753 states have (on average 1.7675962815405046) internal successors, (1331), 753 states have internal predecessors, (1331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 3404 states and 5984 transitions. Complement of second has 7 states. [2021-11-09 08:58:15,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-11-09 08:58:15,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:58:15,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 3432 transitions. [2021-11-09 08:58:15,737 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 3432 transitions. Stem has 18 letters. Loop has 6 letters. [2021-11-09 08:58:15,739 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-09 08:58:15,739 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 3432 transitions. Stem has 24 letters. Loop has 6 letters. [2021-11-09 08:58:15,740 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-09 08:58:15,740 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 3432 transitions. Stem has 18 letters. Loop has 12 letters. [2021-11-09 08:58:15,741 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-09 08:58:15,742 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3404 states and 5984 transitions. [2021-11-09 08:58:15,792 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 501 [2021-11-09 08:58:15,813 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3404 states to 1035 states and 1896 transitions. [2021-11-09 08:58:15,815 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 532 [2021-11-09 08:58:15,817 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 533 [2021-11-09 08:58:15,818 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1035 states and 1896 transitions. [2021-11-09 08:58:15,820 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-09 08:58:15,820 INFO L681 BuchiCegarLoop]: Abstraction has 1035 states and 1896 transitions. [2021-11-09 08:58:15,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1035 states and 1896 transitions. [2021-11-09 08:58:15,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1035 to 534. [2021-11-09 08:58:15,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 534 states, 534 states have (on average 1.8258426966292134) internal successors, (975), 533 states have internal predecessors, (975), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:58:15,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 534 states and 975 transitions. [2021-11-09 08:58:15,896 INFO L704 BuchiCegarLoop]: Abstraction has 534 states and 975 transitions. [2021-11-09 08:58:15,897 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:58:15,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 08:58:15,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 08:58:15,902 INFO L87 Difference]: Start difference. First operand 534 states and 975 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:58:15,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 08:58:15,965 INFO L93 Difference]: Finished difference Result 1048 states and 1915 transitions. [2021-11-09 08:58:15,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 08:58:15,966 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1048 states and 1915 transitions. [2021-11-09 08:58:15,980 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 502 [2021-11-09 08:58:15,993 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1048 states to 1048 states and 1915 transitions. [2021-11-09 08:58:15,994 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 544 [2021-11-09 08:58:15,995 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 544 [2021-11-09 08:58:15,995 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1048 states and 1915 transitions. [2021-11-09 08:58:15,996 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-09 08:58:15,996 INFO L681 BuchiCegarLoop]: Abstraction has 1048 states and 1915 transitions. [2021-11-09 08:58:15,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1048 states and 1915 transitions. [2021-11-09 08:58:16,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1048 to 533. [2021-11-09 08:58:16,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 533 states, 533 states have (on average 1.8217636022514072) internal successors, (971), 532 states have internal predecessors, (971), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:58:16,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 533 states and 971 transitions. [2021-11-09 08:58:16,019 INFO L704 BuchiCegarLoop]: Abstraction has 533 states and 971 transitions. [2021-11-09 08:58:16,020 INFO L587 BuchiCegarLoop]: Abstraction has 533 states and 971 transitions. [2021-11-09 08:58:16,020 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-09 08:58:16,020 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 533 states and 971 transitions. [2021-11-09 08:58:16,025 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 251 [2021-11-09 08:58:16,025 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-09 08:58:16,025 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-09 08:58:16,027 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 08:58:16,028 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 08:58:16,028 INFO L791 eck$LassoCheckResult]: Stem: 6367#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(28);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(13);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(10);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(34);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(30);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(16);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(20);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(10);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(12);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(10);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(18);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(16);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(21);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string57.base, #t~string57.offset, 1);call write~init~int(115, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(10, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 3 + #t~string57.offset, 1);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(30);call #t~string79.base, #t~string79.offset := #Ultimate.allocOnStack(9);call #t~string80.base, #t~string80.offset := #Ultimate.allocOnStack(21);call #t~string81.base, #t~string81.offset := #Ultimate.allocOnStack(30);call #t~string82.base, #t~string82.offset := #Ultimate.allocOnStack(9);call #t~string83.base, #t~string83.offset := #Ultimate.allocOnStack(21);call #t~string87.base, #t~string87.offset := #Ultimate.allocOnStack(30);call #t~string88.base, #t~string88.offset := #Ultimate.allocOnStack(9);call #t~string89.base, #t~string89.offset := #Ultimate.allocOnStack(25);call #t~string90.base, #t~string90.offset := #Ultimate.allocOnStack(30);call #t~string91.base, #t~string91.offset := #Ultimate.allocOnStack(9);call #t~string92.base, #t~string92.offset := #Ultimate.allocOnStack(25);call #t~string106.base, #t~string106.offset := #Ultimate.allocOnStack(44);call #t~string111.base, #t~string111.offset := #Ultimate.allocOnStack(44);call #t~string113.base, #t~string113.offset := #Ultimate.allocOnStack(9);call #t~string115.base, #t~string115.offset := #Ultimate.allocOnStack(9);call #t~string117.base, #t~string117.offset := #Ultimate.allocOnStack(11);call #t~string121.base, #t~string121.offset := #Ultimate.allocOnStack(19);call #t~string124.base, #t~string124.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string124.base, #t~string124.offset, 1);call write~init~int(100, #t~string124.base, 1 + #t~string124.offset, 1);call write~init~int(10, #t~string124.base, 2 + #t~string124.offset, 1);call write~init~int(0, #t~string124.base, 3 + #t~string124.offset, 1);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);~__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;~mail_is_sensitive~0 := -1;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0; 6303#L-1 havoc main_#res;havoc main_#t~ret119, main_~retValue_acc~32, main_~tmp~18;havoc main_~retValue_acc~32;havoc main_~tmp~18; 6304#L1605 havoc valid_product_#res;havoc valid_product_~retValue_acc~28;havoc valid_product_~retValue_acc~28;valid_product_~retValue_acc~28 := 1;valid_product_#res := valid_product_~retValue_acc~28; 6356#L1613 main_#t~ret119 := valid_product_#res;main_~tmp~18 := main_#t~ret119;havoc main_#t~ret119; 6011#L2350 assume 0 != main_~tmp~18;havoc setup_#t~nondet114, setup_#t~nondet116, setup_#t~nondet118, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~1.base, setup_~__cil_tmp3~1.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_tmp3~1.base, setup_~__cil_tmp3~1.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; 6012#L1112 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 5909#L1118-2 setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_bob_~bob___0, 123;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 5870#L677 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 5871#L683-2 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string113.base, #t~string113.offset;havoc setup_#t~nondet114;~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; 5977#L1112-2 assume !(1 == setClientId_~handle); 5925#L1115-2 assume 2 == setClientId_~handle;~__ste_client_idCounter1~0 := setClientId_~value; 5926#L1118-5 setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_rjh_~rjh___0, 456;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 6154#L677-2 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 6033#L683-5 setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string115.base, #t~string115.offset;havoc setup_#t~nondet116;~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; 5851#L1112-4 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 5852#L1118-8 setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_chuck_~chuck___0, 789;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 5992#L677-4 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 6184#L683-8 setup_~__cil_tmp3~1.base, setup_~__cil_tmp3~1.offset := #t~string117.base, #t~string117.offset;havoc setup_#t~nondet118; 5897#L2337 havoc test_#t~nondet95, test_#t~nondet96, test_#t~nondet97, test_#t~nondet98, test_#t~nondet99, test_#t~nondet100, test_#t~nondet101, test_#t~nondet102, test_#t~nondet103, test_#t~nondet104, test_#t~nondet105, 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___0~5, test_~tmp___1~3, 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___0~5;havoc test_~tmp___1~3;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; 5898#L2178-1 assume !false; 6007#L2033 [2021-11-09 08:58:16,029 INFO L793 eck$LassoCheckResult]: Loop: 6007#L2033 assume test_~splverifierCounter~0 < 4; 6008#L2034 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 6110#L2040 assume !(0 == test_~op1~0); 6258#L2053 assume !(0 == test_~op2~0); 5967#L2064 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet97;havoc test_#t~nondet97; 5969#L2069 assume 0 != test_~tmp___7~0;setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := ~rjh~0, 0;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 6116#L677-6 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 6117#L683-11 test_~op3~0 := 1; 5895#L2178-1 assume !false; 6007#L2033 [2021-11-09 08:58:16,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:58:16,029 INFO L85 PathProgramCache]: Analyzing trace with hash -953559564, now seen corresponding path program 1 times [2021-11-09 08:58:16,030 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:58:16,030 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803226474] [2021-11-09 08:58:16,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:58:16,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:58:16,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:58:16,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:58:16,185 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:58:16,185 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803226474] [2021-11-09 08:58:16,186 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803226474] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:58:16,186 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:58:16,186 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-09 08:58:16,186 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054724663] [2021-11-09 08:58:16,187 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-09 08:58:16,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:58:16,187 INFO L85 PathProgramCache]: Analyzing trace with hash -1296812605, now seen corresponding path program 1 times [2021-11-09 08:58:16,188 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:58:16,188 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222050454] [2021-11-09 08:58:16,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:58:16,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:58:16,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:58:16,198 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 08:58:16,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:58:16,216 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 08:58:16,361 INFO L210 LassoAnalysis]: Preferences: [2021-11-09 08:58:16,362 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-09 08:58:16,362 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-09 08:58:16,362 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-09 08:58:16,362 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-09 08:58:16,362 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:58:16,363 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-09 08:58:16,363 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-09 08:58:16,363 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec1_product14.cil.c_Iteration2_Loop [2021-11-09 08:58:16,363 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-09 08:58:16,363 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-09 08:58:16,366 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:58:16,376 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:58:16,380 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:58:16,392 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:58:16,404 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:58:16,409 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:58:16,418 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:58:16,592 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-09 08:58:16,592 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-09 08:58:16,593 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:58:16,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aafe0619-31b9-451f-8368-702085acd8ec/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:58:16,597 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aafe0619-31b9-451f-8368-702085acd8ec/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:58:16,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aafe0619-31b9-451f-8368-702085acd8ec/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-09 08:58:16,604 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-09 08:58:16,604 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-09 08:58:16,667 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aafe0619-31b9-451f-8368-702085acd8ec/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-11-09 08:58:16,667 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:58:16,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aafe0619-31b9-451f-8368-702085acd8ec/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:58:16,669 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aafe0619-31b9-451f-8368-702085acd8ec/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:58:16,675 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-09 08:58:16,676 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-09 08:58:16,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aafe0619-31b9-451f-8368-702085acd8ec/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-09 08:58:16,748 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-09 08:58:16,755 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aafe0619-31b9-451f-8368-702085acd8ec/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-11-09 08:58:16,755 INFO L210 LassoAnalysis]: Preferences: [2021-11-09 08:58:16,755 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-09 08:58:16,755 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-09 08:58:16,755 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-09 08:58:16,755 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-09 08:58:16,755 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:58:16,756 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-09 08:58:16,756 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-09 08:58:16,756 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec1_product14.cil.c_Iteration2_Loop [2021-11-09 08:58:16,756 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-09 08:58:16,756 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-09 08:58:16,757 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:58:16,764 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:58:16,767 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:58:16,770 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:58:16,777 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:58:16,785 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:58:16,791 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:58:16,915 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-09 08:58:16,915 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-09 08:58:16,916 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:58:16,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aafe0619-31b9-451f-8368-702085acd8ec/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:58:16,919 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aafe0619-31b9-451f-8368-702085acd8ec/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:58:16,926 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:58:16,936 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:58:16,936 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:58:16,937 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:58:16,937 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:58:16,937 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:58:16,938 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 08:58:16,939 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:58:16,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aafe0619-31b9-451f-8368-702085acd8ec/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-09 08:58:16,946 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-09 08:58:16,950 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-11-09 08:58:16,950 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-11-09 08:58:16,950 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:58:16,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aafe0619-31b9-451f-8368-702085acd8ec/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:58:16,951 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aafe0619-31b9-451f-8368-702085acd8ec/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:58:16,958 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-09 08:58:16,958 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-11-09 08:58:16,958 INFO L513 LassoAnalysis]: Proved termination. [2021-11-09 08:58:16,958 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 7 Supporting invariants [] [2021-11-09 08:58:16,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aafe0619-31b9-451f-8368-702085acd8ec/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-11-09 08:58:17,004 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aafe0619-31b9-451f-8368-702085acd8ec/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-11-09 08:58:17,004 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-11-09 08:58:17,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:58:17,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:58:17,184 INFO L263 TraceCheckSpWp]: Trace formula consists of 623 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-09 08:58:17,186 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 08:58:17,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:58:17,312 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-09 08:58:17,312 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 08:58:17,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:58:17,453 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-11-09 08:58:17,453 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 533 states and 971 transitions. cyclomatic complexity: 440 Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:58:17,510 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 533 states and 971 transitions. cyclomatic complexity: 440. Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 1039 states and 1901 transitions. Complement of second has 6 states. [2021-11-09 08:58:17,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-11-09 08:58:17,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:58:17,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 508 transitions. [2021-11-09 08:58:17,512 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 508 transitions. Stem has 20 letters. Loop has 9 letters. [2021-11-09 08:58:17,513 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-09 08:58:17,513 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 508 transitions. Stem has 29 letters. Loop has 9 letters. [2021-11-09 08:58:17,514 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-09 08:58:17,514 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 508 transitions. Stem has 20 letters. Loop has 18 letters. [2021-11-09 08:58:17,518 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-09 08:58:17,518 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1039 states and 1901 transitions. [2021-11-09 08:58:17,532 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-09 08:58:17,533 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1039 states to 0 states and 0 transitions. [2021-11-09 08:58:17,533 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-11-09 08:58:17,533 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-11-09 08:58:17,533 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-11-09 08:58:17,533 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 08:58:17,534 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-09 08:58:17,534 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-09 08:58:17,534 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:58:17,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-09 08:58:17,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-09 08:58:17,535 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:58:17,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 08:58:17,536 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2021-11-09 08:58:17,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-09 08:58:17,536 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2021-11-09 08:58:17,536 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-09 08:58:17,536 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2021-11-09 08:58:17,537 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-11-09 08:58:17,537 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-11-09 08:58:17,537 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-11-09 08:58:17,537 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 08:58:17,537 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-09 08:58:17,537 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-09 08:58:17,538 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-09 08:58:17,538 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-11-09 08:58:17,538 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-11-09 08:58:17,538 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-09 08:58:17,538 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-11-09 08:58:17,545 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 09.11 08:58:17 BoogieIcfgContainer [2021-11-09 08:58:17,546 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-09 08:58:17,547 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-09 08:58:17,547 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-09 08:58:17,547 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-09 08:58:17,548 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 08:58:13" (3/4) ... [2021-11-09 08:58:17,551 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-09 08:58:17,551 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-09 08:58:17,555 INFO L168 Benchmark]: Toolchain (without parser) took 8783.87 ms. Allocated memory was 111.1 MB in the beginning and 192.9 MB in the end (delta: 81.8 MB). Free memory was 80.7 MB in the beginning and 64.8 MB in the end (delta: 15.8 MB). Peak memory consumption was 97.0 MB. Max. memory is 16.1 GB. [2021-11-09 08:58:17,556 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 111.1 MB. Free memory was 65.9 MB in the beginning and 65.8 MB in the end (delta: 69.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-09 08:58:17,563 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1026.43 ms. Allocated memory was 111.1 MB in the beginning and 138.4 MB in the end (delta: 27.3 MB). Free memory was 80.4 MB in the beginning and 87.3 MB in the end (delta: -6.8 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2021-11-09 08:58:17,564 INFO L168 Benchmark]: Boogie Procedure Inliner took 194.24 ms. Allocated memory is still 138.4 MB. Free memory was 87.3 MB in the beginning and 74.7 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-11-09 08:58:17,565 INFO L168 Benchmark]: Boogie Preprocessor took 214.06 ms. Allocated memory is still 138.4 MB. Free memory was 74.7 MB in the beginning and 102.8 MB in the end (delta: -28.1 MB). Peak memory consumption was 16.5 MB. Max. memory is 16.1 GB. [2021-11-09 08:58:17,565 INFO L168 Benchmark]: RCFGBuilder took 3148.19 ms. Allocated memory was 138.4 MB in the beginning and 192.9 MB in the end (delta: 54.5 MB). Free memory was 102.8 MB in the beginning and 95.3 MB in the end (delta: 7.5 MB). Peak memory consumption was 66.7 MB. Max. memory is 16.1 GB. [2021-11-09 08:58:17,566 INFO L168 Benchmark]: BuchiAutomizer took 4183.93 ms. Allocated memory is still 192.9 MB. Free memory was 94.3 MB in the beginning and 64.8 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 16.1 GB. [2021-11-09 08:58:17,570 INFO L168 Benchmark]: Witness Printer took 4.75 ms. Allocated memory is still 192.9 MB. Free memory is still 64.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-09 08:58:17,581 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 111.1 MB. Free memory was 65.9 MB in the beginning and 65.8 MB in the end (delta: 69.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1026.43 ms. Allocated memory was 111.1 MB in the beginning and 138.4 MB in the end (delta: 27.3 MB). Free memory was 80.4 MB in the beginning and 87.3 MB in the end (delta: -6.8 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 194.24 ms. Allocated memory is still 138.4 MB. Free memory was 87.3 MB in the beginning and 74.7 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 214.06 ms. Allocated memory is still 138.4 MB. Free memory was 74.7 MB in the beginning and 102.8 MB in the end (delta: -28.1 MB). Peak memory consumption was 16.5 MB. Max. memory is 16.1 GB. * RCFGBuilder took 3148.19 ms. Allocated memory was 138.4 MB in the beginning and 192.9 MB in the end (delta: 54.5 MB). Free memory was 102.8 MB in the beginning and 95.3 MB in the end (delta: 7.5 MB). Peak memory consumption was 66.7 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 4183.93 ms. Allocated memory is still 192.9 MB. Free memory was 94.3 MB in the beginning and 64.8 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 16.1 GB. * Witness Printer took 4.75 ms. Allocated memory is still 192.9 MB. Free memory is still 64.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (2 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * op2 + 1 and consists of 5 locations. One deterministic module has affine ranking function 7 + -2 * splverifierCounter and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.1s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.2s. Construction of modules took 0.0s. Büchi inclusion checks took 1.3s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 1016 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.1s Buchi closure took 0.0s. Biggest automaton had 533 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 4082 SDtfs, 3588 SDslu, 5213 SDs, 0 SdLazy, 26 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT2 lasso0 LassoPreprocessingBenchmarks: Lassos: inital38 mio100 ax100 hnf100 lsp29 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq189 hnf90 smp100 dnf134 smp100 tf108 neg92 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 79ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-11-09 08:58:17,641 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aafe0619-31b9-451f-8368-702085acd8ec/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-11-09 08:58:17,839 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aafe0619-31b9-451f-8368-702085acd8ec/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE