./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/email_spec1_product31.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46d2e1a-3975-4776-ba71-3b3e5766c2a3/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46d2e1a-3975-4776-ba71-3b3e5766c2a3/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46d2e1a-3975-4776-ba71-3b3e5766c2a3/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46d2e1a-3975-4776-ba71-3b3e5766c2a3/bin/uautomizer-j4sWxH34Be/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/email_spec1_product31.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46d2e1a-3975-4776-ba71-3b3e5766c2a3/bin/uautomizer-j4sWxH34Be/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46d2e1a-3975-4776-ba71-3b3e5766c2a3/bin/uautomizer-j4sWxH34Be --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ca4739abfecd00b8d2b799ccc2617c6e4b4e221f88b8a7e722070835771a8404 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 19:52:17,654 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 19:52:17,658 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 19:52:17,711 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 19:52:17,712 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 19:52:17,717 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 19:52:17,720 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 19:52:17,725 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 19:52:17,728 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 19:52:17,735 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 19:52:17,737 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 19:52:17,739 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 19:52:17,740 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 19:52:17,743 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 19:52:17,746 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 19:52:17,751 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 19:52:17,753 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 19:52:17,754 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 19:52:17,758 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 19:52:17,773 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 19:52:17,776 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 19:52:17,782 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 19:52:17,786 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 19:52:17,788 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 19:52:17,799 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 19:52:17,800 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 19:52:17,801 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 19:52:17,803 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 19:52:17,804 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 19:52:17,806 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 19:52:17,807 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 19:52:17,808 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 19:52:17,811 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 19:52:17,813 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 19:52:17,815 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 19:52:17,815 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 19:52:17,816 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 19:52:17,817 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 19:52:17,817 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 19:52:17,818 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 19:52:17,819 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 19:52:17,820 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46d2e1a-3975-4776-ba71-3b3e5766c2a3/bin/uautomizer-j4sWxH34Be/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-21 19:52:17,879 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 19:52:17,879 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 19:52:17,880 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 19:52:17,880 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 19:52:17,882 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 19:52:17,882 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 19:52:17,883 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 19:52:17,883 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-21 19:52:17,883 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-21 19:52:17,883 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-21 19:52:17,885 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-21 19:52:17,885 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-21 19:52:17,885 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-21 19:52:17,886 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 19:52:17,886 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 19:52:17,886 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-21 19:52:17,886 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 19:52:17,887 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 19:52:17,887 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 19:52:17,887 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-21 19:52:17,887 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-21 19:52:17,888 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-21 19:52:17,888 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 19:52:17,888 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 19:52:17,888 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-21 19:52:17,889 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 19:52:17,889 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-21 19:52:17,889 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 19:52:17,889 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 19:52:17,890 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 19:52:17,890 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 19:52:17,890 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 19:52:17,892 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-21 19:52:17,892 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_b46d2e1a-3975-4776-ba71-3b3e5766c2a3/bin/uautomizer-j4sWxH34Be/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46d2e1a-3975-4776-ba71-3b3e5766c2a3/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ca4739abfecd00b8d2b799ccc2617c6e4b4e221f88b8a7e722070835771a8404 [2021-10-21 19:52:18,200 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 19:52:18,249 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 19:52:18,252 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 19:52:18,254 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 19:52:18,255 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 19:52:18,256 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46d2e1a-3975-4776-ba71-3b3e5766c2a3/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/product-lines/email_spec1_product31.cil.c [2021-10-21 19:52:18,344 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46d2e1a-3975-4776-ba71-3b3e5766c2a3/bin/uautomizer-j4sWxH34Be/data/868a41346/d0b4b57bf3ae4d3aba7246781078f10b/FLAGbd3f655a5 [2021-10-21 19:52:18,944 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 19:52:18,945 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46d2e1a-3975-4776-ba71-3b3e5766c2a3/sv-benchmarks/c/product-lines/email_spec1_product31.cil.c [2021-10-21 19:52:18,989 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46d2e1a-3975-4776-ba71-3b3e5766c2a3/bin/uautomizer-j4sWxH34Be/data/868a41346/d0b4b57bf3ae4d3aba7246781078f10b/FLAGbd3f655a5 [2021-10-21 19:52:19,194 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46d2e1a-3975-4776-ba71-3b3e5766c2a3/bin/uautomizer-j4sWxH34Be/data/868a41346/d0b4b57bf3ae4d3aba7246781078f10b [2021-10-21 19:52:19,197 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 19:52:19,198 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 19:52:19,202 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 19:52:19,203 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 19:52:19,205 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 19:52:19,206 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:52:19" (1/1) ... [2021-10-21 19:52:19,206 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6dbb2559 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:52:19, skipping insertion in model container [2021-10-21 19:52:19,207 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:52:19" (1/1) ... [2021-10-21 19:52:19,215 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 19:52:19,315 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:52:20,066 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_b46d2e1a-3975-4776-ba71-3b3e5766c2a3/sv-benchmarks/c/product-lines/email_spec1_product31.cil.c[64142,64155] [2021-10-21 19:52:20,067 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:52:20,080 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 19:52:20,218 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_b46d2e1a-3975-4776-ba71-3b3e5766c2a3/sv-benchmarks/c/product-lines/email_spec1_product31.cil.c[64142,64155] [2021-10-21 19:52:20,220 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:52:20,262 INFO L208 MainTranslator]: Completed translation [2021-10-21 19:52:20,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:52:20 WrapperNode [2021-10-21 19:52:20,262 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 19:52:20,263 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 19:52:20,263 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 19:52:20,264 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 19:52:20,270 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:52:20" (1/1) ... [2021-10-21 19:52:20,299 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:52:20" (1/1) ... [2021-10-21 19:52:20,420 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 19:52:20,421 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 19:52:20,421 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 19:52:20,421 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 19:52:20,434 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:52:20" (1/1) ... [2021-10-21 19:52:20,435 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:52:20" (1/1) ... [2021-10-21 19:52:20,460 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:52:20" (1/1) ... [2021-10-21 19:52:20,460 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:52:20" (1/1) ... [2021-10-21 19:52:20,528 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:52:20" (1/1) ... [2021-10-21 19:52:20,565 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:52:20" (1/1) ... [2021-10-21 19:52:20,572 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:52:20" (1/1) ... [2021-10-21 19:52:20,601 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 19:52:20,616 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 19:52:20,617 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 19:52:20,618 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 19:52:20,620 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:52:20" (1/1) ... [2021-10-21 19:52:20,632 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:52:20,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46d2e1a-3975-4776-ba71-3b3e5766c2a3/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:52:20,661 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46d2e1a-3975-4776-ba71-3b3e5766c2a3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:52:20,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46d2e1a-3975-4776-ba71-3b3e5766c2a3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-21 19:52:20,755 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-10-21 19:52:20,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 19:52:20,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-21 19:52:20,756 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 19:52:20,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 19:52:23,209 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 19:52:23,209 INFO L299 CfgBuilder]: Removed 375 assume(true) statements. [2021-10-21 19:52:23,212 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:52:23 BoogieIcfgContainer [2021-10-21 19:52:23,212 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 19:52:23,213 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-21 19:52:23,213 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-21 19:52:23,217 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-21 19:52:23,217 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 19:52:23,218 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.10 07:52:19" (1/3) ... [2021-10-21 19:52:23,219 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6429f240 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 07:52:23, skipping insertion in model container [2021-10-21 19:52:23,219 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 19:52:23,219 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:52:20" (2/3) ... [2021-10-21 19:52:23,220 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6429f240 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 07:52:23, skipping insertion in model container [2021-10-21 19:52:23,220 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 19:52:23,220 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:52:23" (3/3) ... [2021-10-21 19:52:23,221 INFO L389 chiAutomizerObserver]: Analyzing ICFG email_spec1_product31.cil.c [2021-10-21 19:52:23,264 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-21 19:52:23,264 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-21 19:52:23,264 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-21 19:52:23,264 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-21 19:52:23,264 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-21 19:52:23,265 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-21 19:52:23,265 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-21 19:52:23,265 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-21 19:52:23,293 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 563 states, 562 states have (on average 1.7330960854092528) internal successors, (974), 562 states have internal predecessors, (974), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:52:23,343 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 212 [2021-10-21 19:52:23,343 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:52:23,343 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:52:23,352 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:52:23,353 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-10-21 19:52:23,354 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-21 19:52:23,356 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 563 states, 562 states have (on average 1.7330960854092528) internal successors, (974), 562 states have internal predecessors, (974), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:52:23,376 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 212 [2021-10-21 19:52:23,383 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:52:23,383 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:52:23,386 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:52:23,387 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-10-21 19:52:23,396 INFO L791 eck$LassoCheckResult]: Stem: 548#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(28);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string7.base, #t~string7.offset, 1);call write~init~int(115, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(10, #t~string7.base, 2 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 3 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(13);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(10);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(16);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(20);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(21);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(21);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(21);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(25);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(10);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(12);call #t~string81.base, #t~string81.offset := #Ultimate.allocOnStack(10);call #t~string84.base, #t~string84.offset := #Ultimate.allocOnStack(18);call #t~string87.base, #t~string87.offset := #Ultimate.allocOnStack(16);call #t~string90.base, #t~string90.offset := #Ultimate.allocOnStack(21);call #t~string93.base, #t~string93.offset := #Ultimate.allocOnStack(13);call #t~string96.base, #t~string96.offset := #Ultimate.allocOnStack(16);call #t~string99.base, #t~string99.offset := #Ultimate.allocOnStack(25);call #t~string115.base, #t~string115.offset := #Ultimate.allocOnStack(44);call #t~string120.base, #t~string120.offset := #Ultimate.allocOnStack(44);call #t~string122.base, #t~string122.offset := #Ultimate.allocOnStack(9);call #t~string124.base, #t~string124.offset := #Ultimate.allocOnStack(9);call #t~string126.base, #t~string126.offset := #Ultimate.allocOnStack(11);call #t~string130.base, #t~string130.offset := #Ultimate.allocOnStack(19);call #t~string133.base, #t~string133.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string133.base, #t~string133.offset, 1);call write~init~int(100, #t~string133.base, 1 + #t~string133.offset, 1);call write~init~int(10, #t~string133.base, 2 + #t~string133.offset, 1);call write~init~int(0, #t~string133.base, 3 + #t~string133.offset, 1);call #t~string136.base, #t~string136.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string136.base, #t~string136.offset, 1);call write~init~int(100, #t~string136.base, 1 + #t~string136.offset, 1);call write~init~int(10, #t~string136.base, 2 + #t~string136.offset, 1);call write~init~int(0, #t~string136.base, 3 + #t~string136.offset, 1);~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~mail_is_sensitive~0 := -1;~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;~__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; 466#L-1true havoc main_#res;havoc main_#t~ret128, main_~retValue_acc~15, main_~tmp~20;havoc main_~retValue_acc~15;havoc main_~tmp~20; 206#L1243true havoc valid_product_#res;havoc valid_product_~retValue_acc~14;havoc valid_product_~retValue_acc~14;valid_product_~retValue_acc~14 := 1;valid_product_#res := valid_product_~retValue_acc~14; 221#L1251true main_#t~ret128 := valid_product_#res;main_~tmp~20 := main_#t~ret128;havoc main_#t~ret128; 307#L1404true assume 0 != main_~tmp~20;havoc setup_#t~nondet123, setup_#t~nondet125, setup_#t~nondet127, 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; 505#L2985true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 117#L2991-2true 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; 295#L2550true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 218#L2556-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string122.base, #t~string122.offset;havoc setup_#t~nondet123;~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; 70#L2985-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 21#L2991-5true 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; 184#L2550-2true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 294#L2556-5true setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string124.base, #t~string124.offset;havoc setup_#t~nondet125;~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; 486#L2985-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 53#L2991-8true 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; 64#L2550-4true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 321#L2556-8true setup_~__cil_tmp3~1.base, setup_~__cil_tmp3~1.offset := #t~string126.base, #t~string126.offset;havoc setup_#t~nondet127; 496#L1391true havoc test_#t~nondet103, test_#t~nondet104, test_#t~nondet105, test_#t~nondet106, test_#t~nondet107, test_#t~nondet108, test_#t~nondet109, test_#t~nondet110, test_#t~nondet111, test_#t~nondet112, test_#t~nondet113, 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~18, test_~tmp___0~6, test_~tmp___1~3, test_~tmp___2~3, test_~tmp___3~1, test_~tmp___4~1, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~18;havoc test_~tmp___0~6;havoc test_~tmp___1~3;havoc test_~tmp___2~3;havoc test_~tmp___3~1;havoc test_~tmp___4~1;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 42#L1187-1true [2021-10-21 19:52:23,396 INFO L793 eck$LassoCheckResult]: Loop: 42#L1187-1true assume !false; 18#L1042true assume test_~splverifierCounter~0 < 4; 403#L1043true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 475#L1049true assume !(0 == test_~op1~0); 17#L1062true assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet104;havoc test_#t~nondet104; 282#L1067true assume 0 != test_~tmp___8~0;test_~op2~0 := 1; 42#L1187-1true [2021-10-21 19:52:23,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:52:23,402 INFO L82 PathProgramCache]: Analyzing trace with hash 1291925977, now seen corresponding path program 1 times [2021-10-21 19:52:23,409 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:52:23,409 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073875261] [2021-10-21 19:52:23,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:52:23,410 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:52:23,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:52:23,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:52:23,884 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:52:23,884 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073875261] [2021-10-21 19:52:23,886 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1073875261] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:52:23,886 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:52:23,887 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:52:23,888 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206834870] [2021-10-21 19:52:23,903 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 19:52:23,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:52:23,904 INFO L82 PathProgramCache]: Analyzing trace with hash 590492675, now seen corresponding path program 1 times [2021-10-21 19:52:23,904 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:52:23,904 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373863512] [2021-10-21 19:52:23,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:52:23,905 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:52:23,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:52:23,920 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:52:23,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:52:23,979 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:52:24,061 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 19:52:24,062 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 19:52:24,062 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 19:52:24,062 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 19:52:24,062 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-21 19:52:24,063 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:52:24,063 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 19:52:24,063 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 19:52:24,063 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec1_product31.cil.c_Iteration1_Loop [2021-10-21 19:52:24,063 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 19:52:24,064 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 19:52:24,082 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:52:24,090 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:52:24,096 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:52:24,102 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:52:24,189 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 19:52:24,190 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-21 19:52:24,193 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:52:24,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46d2e1a-3975-4776-ba71-3b3e5766c2a3/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:52:24,197 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46d2e1a-3975-4776-ba71-3b3e5766c2a3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:52:24,207 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 19:52:24,207 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 19:52:24,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46d2e1a-3975-4776-ba71-3b3e5766c2a3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-21 19:52:24,279 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46d2e1a-3975-4776-ba71-3b3e5766c2a3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-21 19:52:24,280 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:52:24,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46d2e1a-3975-4776-ba71-3b3e5766c2a3/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:52:24,282 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46d2e1a-3975-4776-ba71-3b3e5766c2a3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:52:24,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46d2e1a-3975-4776-ba71-3b3e5766c2a3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-21 19:52:24,293 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-21 19:52:24,294 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 19:52:24,322 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-21 19:52:24,368 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46d2e1a-3975-4776-ba71-3b3e5766c2a3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-21 19:52:24,369 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 19:52:24,369 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 19:52:24,369 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 19:52:24,369 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 19:52:24,369 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 19:52:24,370 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:52:24,370 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 19:52:24,370 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 19:52:24,370 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec1_product31.cil.c_Iteration1_Loop [2021-10-21 19:52:24,370 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 19:52:24,370 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 19:52:24,372 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:52:24,379 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:52:24,386 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:52:24,393 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:52:24,463 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 19:52:24,469 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 19:52:24,473 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:52:24,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46d2e1a-3975-4776-ba71-3b3e5766c2a3/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:52:24,474 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46d2e1a-3975-4776-ba71-3b3e5766c2a3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:52:24,485 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:52:24,496 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:52:24,496 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:52:24,496 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:52:24,497 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:52:24,497 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:52:24,502 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:52:24,502 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:52:24,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46d2e1a-3975-4776-ba71-3b3e5766c2a3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-21 19:52:24,515 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 19:52:24,545 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-21 19:52:24,545 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-21 19:52:24,547 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:52:24,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46d2e1a-3975-4776-ba71-3b3e5766c2a3/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:52:24,558 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46d2e1a-3975-4776-ba71-3b3e5766c2a3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:52:24,610 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 19:52:24,610 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-21 19:52:24,611 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 19:52:24,611 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op2~0) = -2*ULTIMATE.start_test_~op2~0 + 1 Supporting invariants [] [2021-10-21 19:52:24,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46d2e1a-3975-4776-ba71-3b3e5766c2a3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-21 19:52:24,650 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46d2e1a-3975-4776-ba71-3b3e5766c2a3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-21 19:52:24,653 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-21 19:52:24,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:52:24,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:52:24,847 INFO L263 TraceCheckSpWp]: Trace formula consists of 633 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 19:52:24,852 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:52:24,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:52:24,966 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 19:52:24,967 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:52:25,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:52:25,056 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 [2021-10-21 19:52:25,059 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 563 states, 562 states have (on average 1.7330960854092528) internal successors, (974), 562 states have internal predecessors, (974), 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) [2021-10-21 19:52:25,284 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46d2e1a-3975-4776-ba71-3b3e5766c2a3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-21 19:52:25,349 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 563 states, 562 states have (on average 1.7330960854092528) internal successors, (974), 562 states have internal predecessors, (974), 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 2488 states and 4282 transitions. Complement of second has 7 states. [2021-10-21 19:52:25,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-21 19:52:25,352 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) [2021-10-21 19:52:25,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2436 transitions. [2021-10-21 19:52:25,358 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 2436 transitions. Stem has 18 letters. Loop has 6 letters. [2021-10-21 19:52:25,359 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:52:25,359 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 2436 transitions. Stem has 24 letters. Loop has 6 letters. [2021-10-21 19:52:25,359 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:52:25,360 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 2436 transitions. Stem has 18 letters. Loop has 12 letters. [2021-10-21 19:52:25,360 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:52:25,361 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2488 states and 4282 transitions. [2021-10-21 19:52:25,388 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 423 [2021-10-21 19:52:25,402 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2488 states to 879 states and 1596 transitions. [2021-10-21 19:52:25,404 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 454 [2021-10-21 19:52:25,405 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 455 [2021-10-21 19:52:25,406 INFO L73 IsDeterministic]: Start isDeterministic. Operand 879 states and 1596 transitions. [2021-10-21 19:52:25,407 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 19:52:25,407 INFO L681 BuchiCegarLoop]: Abstraction has 879 states and 1596 transitions. [2021-10-21 19:52:25,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 879 states and 1596 transitions. [2021-10-21 19:52:25,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 879 to 456. [2021-10-21 19:52:25,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 456 states, 456 states have (on average 1.8092105263157894) internal successors, (825), 455 states have internal predecessors, (825), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:52:25,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 456 states and 825 transitions. [2021-10-21 19:52:25,465 INFO L704 BuchiCegarLoop]: Abstraction has 456 states and 825 transitions. [2021-10-21 19:52:25,466 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:52:25,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:52:25,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:52:25,471 INFO L87 Difference]: Start difference. First operand 456 states and 825 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:52:25,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:52:25,529 INFO L93 Difference]: Finished difference Result 892 states and 1615 transitions. [2021-10-21 19:52:25,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:52:25,530 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 892 states and 1615 transitions. [2021-10-21 19:52:25,538 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 424 [2021-10-21 19:52:25,549 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 892 states to 892 states and 1615 transitions. [2021-10-21 19:52:25,549 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 466 [2021-10-21 19:52:25,551 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 466 [2021-10-21 19:52:25,551 INFO L73 IsDeterministic]: Start isDeterministic. Operand 892 states and 1615 transitions. [2021-10-21 19:52:25,560 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 19:52:25,560 INFO L681 BuchiCegarLoop]: Abstraction has 892 states and 1615 transitions. [2021-10-21 19:52:25,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 892 states and 1615 transitions. [2021-10-21 19:52:25,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 892 to 455. [2021-10-21 19:52:25,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 455 states, 455 states have (on average 1.8043956043956044) internal successors, (821), 454 states have internal predecessors, (821), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:52:25,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 821 transitions. [2021-10-21 19:52:25,591 INFO L704 BuchiCegarLoop]: Abstraction has 455 states and 821 transitions. [2021-10-21 19:52:25,591 INFO L587 BuchiCegarLoop]: Abstraction has 455 states and 821 transitions. [2021-10-21 19:52:25,591 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-21 19:52:25,591 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 455 states and 821 transitions. [2021-10-21 19:52:25,594 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 212 [2021-10-21 19:52:25,594 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:52:25,594 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:52:25,597 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] [2021-10-21 19:52:25,597 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:52:25,598 INFO L791 eck$LassoCheckResult]: Stem: 4949#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(28);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string7.base, #t~string7.offset, 1);call write~init~int(115, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(10, #t~string7.base, 2 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 3 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(13);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(10);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(16);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(20);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(21);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(21);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(21);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(25);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(10);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(12);call #t~string81.base, #t~string81.offset := #Ultimate.allocOnStack(10);call #t~string84.base, #t~string84.offset := #Ultimate.allocOnStack(18);call #t~string87.base, #t~string87.offset := #Ultimate.allocOnStack(16);call #t~string90.base, #t~string90.offset := #Ultimate.allocOnStack(21);call #t~string93.base, #t~string93.offset := #Ultimate.allocOnStack(13);call #t~string96.base, #t~string96.offset := #Ultimate.allocOnStack(16);call #t~string99.base, #t~string99.offset := #Ultimate.allocOnStack(25);call #t~string115.base, #t~string115.offset := #Ultimate.allocOnStack(44);call #t~string120.base, #t~string120.offset := #Ultimate.allocOnStack(44);call #t~string122.base, #t~string122.offset := #Ultimate.allocOnStack(9);call #t~string124.base, #t~string124.offset := #Ultimate.allocOnStack(9);call #t~string126.base, #t~string126.offset := #Ultimate.allocOnStack(11);call #t~string130.base, #t~string130.offset := #Ultimate.allocOnStack(19);call #t~string133.base, #t~string133.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string133.base, #t~string133.offset, 1);call write~init~int(100, #t~string133.base, 1 + #t~string133.offset, 1);call write~init~int(10, #t~string133.base, 2 + #t~string133.offset, 1);call write~init~int(0, #t~string133.base, 3 + #t~string133.offset, 1);call #t~string136.base, #t~string136.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string136.base, #t~string136.offset, 1);call write~init~int(100, #t~string136.base, 1 + #t~string136.offset, 1);call write~init~int(10, #t~string136.base, 2 + #t~string136.offset, 1);call write~init~int(0, #t~string136.base, 3 + #t~string136.offset, 1);~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~mail_is_sensitive~0 := -1;~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;~__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; 4921#L-1 havoc main_#res;havoc main_#t~ret128, main_~retValue_acc~15, main_~tmp~20;havoc main_~retValue_acc~15;havoc main_~tmp~20; 4922#L1243 havoc valid_product_#res;havoc valid_product_~retValue_acc~14;havoc valid_product_~retValue_acc~14;valid_product_~retValue_acc~14 := 1;valid_product_#res := valid_product_~retValue_acc~14; 4931#L1251 main_#t~ret128 := valid_product_#res;main_~tmp~20 := main_#t~ret128;havoc main_#t~ret128; 4569#L1404 assume 0 != main_~tmp~20;havoc setup_#t~nondet123, setup_#t~nondet125, setup_#t~nondet127, 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; 4570#L2985 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 4526#L2991-2 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; 4516#L2550 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 4517#L2556-2 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string122.base, #t~string122.offset;havoc setup_#t~nondet123;~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; 4690#L2985-2 assume !(1 == setClientId_~handle); 4691#L2988-2 assume 2 == setClientId_~handle;~__ste_client_idCounter1~0 := setClientId_~value; 4555#L2991-5 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; 4556#L2550-2 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 4514#L2556-5 setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string124.base, #t~string124.offset;havoc setup_#t~nondet125;~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; 4515#L2985-4 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 4562#L2991-8 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; 4624#L2550-4 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 4618#L2556-8 setup_~__cil_tmp3~1.base, setup_~__cil_tmp3~1.offset := #t~string126.base, #t~string126.offset;havoc setup_#t~nondet127; 4619#L1391 havoc test_#t~nondet103, test_#t~nondet104, test_#t~nondet105, test_#t~nondet106, test_#t~nondet107, test_#t~nondet108, test_#t~nondet109, test_#t~nondet110, test_#t~nondet111, test_#t~nondet112, test_#t~nondet113, 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~18, test_~tmp___0~6, test_~tmp___1~3, test_~tmp___2~3, test_~tmp___3~1, test_~tmp___4~1, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~18;havoc test_~tmp___0~6;havoc test_~tmp___1~3;havoc test_~tmp___2~3;havoc test_~tmp___3~1;havoc test_~tmp___4~1;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 4936#L1187-1 assume !false; 4545#L1042 [2021-10-21 19:52:25,598 INFO L793 eck$LassoCheckResult]: Loop: 4545#L1042 assume test_~splverifierCounter~0 < 4; 4546#L1043 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 4812#L1049 assume !(0 == test_~op1~0); 4539#L1062 assume !(0 == test_~op2~0); 4540#L1073 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet105;havoc test_#t~nondet105; 4661#L1078 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; 4663#L2550-6 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 4839#L2556-11 test_~op3~0 := 1; 4558#L1187-1 assume !false; 4545#L1042 [2021-10-21 19:52:25,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:52:25,599 INFO L82 PathProgramCache]: Analyzing trace with hash -953559564, now seen corresponding path program 1 times [2021-10-21 19:52:25,600 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:52:25,600 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100908708] [2021-10-21 19:52:25,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:52:25,600 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:52:25,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:52:25,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:52:25,759 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:52:25,760 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100908708] [2021-10-21 19:52:25,760 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2100908708] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:52:25,760 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:52:25,760 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-21 19:52:25,760 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40675895] [2021-10-21 19:52:25,761 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 19:52:25,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:52:25,762 INFO L82 PathProgramCache]: Analyzing trace with hash -1296812605, now seen corresponding path program 1 times [2021-10-21 19:52:25,762 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:52:25,763 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [498886717] [2021-10-21 19:52:25,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:52:25,764 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:52:25,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:52:25,781 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:52:25,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:52:25,802 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:52:25,909 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 19:52:25,910 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 19:52:25,910 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 19:52:25,910 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 19:52:25,910 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-21 19:52:25,910 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:52:25,910 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 19:52:25,910 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 19:52:25,910 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec1_product31.cil.c_Iteration2_Loop [2021-10-21 19:52:25,911 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 19:52:25,911 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 19:52:25,912 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:52:25,919 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:52:25,928 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:52:25,932 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:52:25,939 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:52:25,942 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:52:25,949 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:52:26,081 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 19:52:26,082 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-21 19:52:26,082 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:52:26,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46d2e1a-3975-4776-ba71-3b3e5766c2a3/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:52:26,088 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46d2e1a-3975-4776-ba71-3b3e5766c2a3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:52:26,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46d2e1a-3975-4776-ba71-3b3e5766c2a3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-21 19:52:26,127 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 19:52:26,127 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 19:52:26,164 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-21 19:52:26,164 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_#t~nondet105=5, ULTIMATE.start_test_~tmp___7~0=5} Honda state: {ULTIMATE.start_test_#t~nondet105=5, ULTIMATE.start_test_~tmp___7~0=5} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-21 19:52:26,221 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46d2e1a-3975-4776-ba71-3b3e5766c2a3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-21 19:52:26,221 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:52:26,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46d2e1a-3975-4776-ba71-3b3e5766c2a3/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:52:26,234 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46d2e1a-3975-4776-ba71-3b3e5766c2a3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:52:26,244 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 19:52:26,244 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 19:52:26,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46d2e1a-3975-4776-ba71-3b3e5766c2a3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-21 19:52:26,307 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46d2e1a-3975-4776-ba71-3b3e5766c2a3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-21 19:52:26,307 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:52:26,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46d2e1a-3975-4776-ba71-3b3e5766c2a3/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:52:26,310 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46d2e1a-3975-4776-ba71-3b3e5766c2a3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:52:26,315 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-21 19:52:26,315 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 19:52:26,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46d2e1a-3975-4776-ba71-3b3e5766c2a3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-21 19:52:26,372 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-21 19:52:26,382 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46d2e1a-3975-4776-ba71-3b3e5766c2a3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-21 19:52:26,382 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 19:52:26,383 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 19:52:26,383 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 19:52:26,383 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 19:52:26,383 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 19:52:26,383 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:52:26,383 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 19:52:26,383 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 19:52:26,383 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec1_product31.cil.c_Iteration2_Loop [2021-10-21 19:52:26,383 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 19:52:26,384 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 19:52:26,385 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:52:26,397 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:52:26,399 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:52:26,406 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:52:26,408 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:52:26,415 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:52:26,424 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:52:26,545 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 19:52:26,545 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 19:52:26,546 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:52:26,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46d2e1a-3975-4776-ba71-3b3e5766c2a3/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:52:26,550 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46d2e1a-3975-4776-ba71-3b3e5766c2a3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:52:26,560 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:52:26,569 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:52:26,569 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:52:26,569 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:52:26,569 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:52:26,570 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:52:26,571 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:52:26,571 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:52:26,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46d2e1a-3975-4776-ba71-3b3e5766c2a3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-21 19:52:26,587 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 19:52:26,591 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-21 19:52:26,591 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-21 19:52:26,592 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:52:26,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46d2e1a-3975-4776-ba71-3b3e5766c2a3/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:52:26,593 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46d2e1a-3975-4776-ba71-3b3e5766c2a3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:52:26,596 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 19:52:26,596 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-21 19:52:26,596 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 19:52:26,596 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 7 Supporting invariants [] [2021-10-21 19:52:26,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46d2e1a-3975-4776-ba71-3b3e5766c2a3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-21 19:52:26,632 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46d2e1a-3975-4776-ba71-3b3e5766c2a3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-21 19:52:26,632 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-21 19:52:26,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:52:26,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:52:26,783 INFO L263 TraceCheckSpWp]: Trace formula consists of 635 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 19:52:26,785 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:52:26,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:52:26,885 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 19:52:26,886 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:52:26,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:52:26,989 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-10-21 19:52:26,989 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 455 states and 821 transitions. cyclomatic complexity: 368 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) [2021-10-21 19:52:27,021 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 455 states and 821 transitions. cyclomatic complexity: 368. 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 883 states and 1601 transitions. Complement of second has 6 states. [2021-10-21 19:52:27,021 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 [2021-10-21 19:52:27,022 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) [2021-10-21 19:52:27,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 433 transitions. [2021-10-21 19:52:27,023 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 433 transitions. Stem has 20 letters. Loop has 9 letters. [2021-10-21 19:52:27,023 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:52:27,023 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 433 transitions. Stem has 29 letters. Loop has 9 letters. [2021-10-21 19:52:27,024 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:52:27,024 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 433 transitions. Stem has 20 letters. Loop has 18 letters. [2021-10-21 19:52:27,025 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:52:27,025 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 883 states and 1601 transitions. [2021-10-21 19:52:27,033 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-21 19:52:27,033 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 883 states to 0 states and 0 transitions. [2021-10-21 19:52:27,033 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-21 19:52:27,034 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-21 19:52:27,034 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-21 19:52:27,034 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 19:52:27,034 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:52:27,034 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:52:27,034 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:52:27,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 19:52:27,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:52:27,035 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) [2021-10-21 19:52:27,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:52:27,036 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2021-10-21 19:52:27,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-21 19:52:27,036 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2021-10-21 19:52:27,036 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-21 19:52:27,036 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2021-10-21 19:52:27,037 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-21 19:52:27,037 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-21 19:52:27,037 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-21 19:52:27,037 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 19:52:27,037 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:52:27,037 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:52:27,037 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:52:27,037 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-21 19:52:27,038 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-21 19:52:27,038 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-21 19:52:27,038 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-21 19:52:27,043 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.10 07:52:27 BoogieIcfgContainer [2021-10-21 19:52:27,044 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-21 19:52:27,044 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 19:52:27,044 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 19:52:27,045 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 19:52:27,045 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:52:23" (3/4) ... [2021-10-21 19:52:27,048 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-21 19:52:27,048 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 19:52:27,049 INFO L168 Benchmark]: Toolchain (without parser) took 7850.29 ms. Allocated memory was 92.3 MB in the beginning and 188.7 MB in the end (delta: 96.5 MB). Free memory was 52.4 MB in the beginning and 88.4 MB in the end (delta: -36.1 MB). Peak memory consumption was 60.0 MB. Max. memory is 16.1 GB. [2021-10-21 19:52:27,050 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 92.3 MB. Free memory is still 72.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:52:27,051 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1060.32 ms. Allocated memory was 92.3 MB in the beginning and 121.6 MB in the end (delta: 29.4 MB). Free memory was 52.2 MB in the beginning and 70.0 MB in the end (delta: -17.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-21 19:52:27,051 INFO L168 Benchmark]: Boogie Procedure Inliner took 156.81 ms. Allocated memory is still 121.6 MB. Free memory was 70.0 MB in the beginning and 59.1 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-21 19:52:27,052 INFO L168 Benchmark]: Boogie Preprocessor took 182.15 ms. Allocated memory is still 121.6 MB. Free memory was 59.1 MB in the beginning and 51.1 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-21 19:52:27,053 INFO L168 Benchmark]: RCFGBuilder took 2596.56 ms. Allocated memory is still 121.6 MB. Free memory was 51.1 MB in the beginning and 54.7 MB in the end (delta: -3.6 MB). Peak memory consumption was 20.3 MB. Max. memory is 16.1 GB. [2021-10-21 19:52:27,053 INFO L168 Benchmark]: BuchiAutomizer took 3830.41 ms. Allocated memory was 121.6 MB in the beginning and 188.7 MB in the end (delta: 67.1 MB). Free memory was 54.7 MB in the beginning and 88.4 MB in the end (delta: -33.8 MB). Peak memory consumption was 32.0 MB. Max. memory is 16.1 GB. [2021-10-21 19:52:27,054 INFO L168 Benchmark]: Witness Printer took 3.70 ms. Allocated memory is still 188.7 MB. Free memory is still 88.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:52:27,057 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 92.3 MB. Free memory is still 72.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1060.32 ms. Allocated memory was 92.3 MB in the beginning and 121.6 MB in the end (delta: 29.4 MB). Free memory was 52.2 MB in the beginning and 70.0 MB in the end (delta: -17.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 156.81 ms. Allocated memory is still 121.6 MB. Free memory was 70.0 MB in the beginning and 59.1 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 182.15 ms. Allocated memory is still 121.6 MB. Free memory was 59.1 MB in the beginning and 51.1 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2596.56 ms. Allocated memory is still 121.6 MB. Free memory was 51.1 MB in the beginning and 54.7 MB in the end (delta: -3.6 MB). Peak memory consumption was 20.3 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 3830.41 ms. Allocated memory was 121.6 MB in the beginning and 188.7 MB in the end (delta: 67.1 MB). Free memory was 54.7 MB in the beginning and 88.4 MB in the end (delta: -33.8 MB). Peak memory consumption was 32.0 MB. Max. memory is 16.1 GB. * Witness Printer took 3.70 ms. Allocated memory is still 188.7 MB. Free memory is still 88.4 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 3.7s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.3s. Construction of modules took 0.0s. Büchi inclusion checks took 1.1s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 2. Automata minimization 74.7ms AutomataMinimizationTime, 2 MinimizatonAttempts, 860 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 455 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 3151 SDtfs, 2731 SDslu, 3929 SDs, 0 SdLazy, 26 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 28.6ms 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: 138ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-21 19:52:27,103 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46d2e1a-3975-4776-ba71-3b3e5766c2a3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-21 19:52:27,304 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46d2e1a-3975-4776-ba71-3b3e5766c2a3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...