./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/email_spec4_product18.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_d13cc956-1353-4c8a-9f2b-07debdf64587/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d13cc956-1353-4c8a-9f2b-07debdf64587/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_d13cc956-1353-4c8a-9f2b-07debdf64587/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d13cc956-1353-4c8a-9f2b-07debdf64587/bin/uautomizer-j4sWxH34Be/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/email_spec4_product18.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d13cc956-1353-4c8a-9f2b-07debdf64587/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_d13cc956-1353-4c8a-9f2b-07debdf64587/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 bf462270e0c7c70d13b1dd17e19a66c26542ea365ec57459489c94e9a63941a0 ....................................................................................................................................................................................................................................................................................................................................................................................................................... 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 19:14:24,637 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 19:14:24,644 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 19:14:24,707 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 19:14:24,708 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 19:14:24,714 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 19:14:24,716 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 19:14:24,721 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 19:14:24,725 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 19:14:24,733 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 19:14:24,734 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 19:14:24,736 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 19:14:24,736 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 19:14:24,739 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 19:14:24,741 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 19:14:24,747 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 19:14:24,749 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 19:14:24,750 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 19:14:24,752 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 19:14:24,760 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 19:14:24,762 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 19:14:24,766 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 19:14:24,769 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 19:14:24,770 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 19:14:24,779 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 19:14:24,780 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 19:14:24,780 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 19:14:24,782 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 19:14:24,783 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 19:14:24,785 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 19:14:24,785 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 19:14:24,786 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 19:14:24,788 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 19:14:24,789 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 19:14:24,791 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 19:14:24,791 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 19:14:24,792 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 19:14:24,792 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 19:14:24,792 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 19:14:24,793 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 19:14:24,794 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 19:14:24,795 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d13cc956-1353-4c8a-9f2b-07debdf64587/bin/uautomizer-j4sWxH34Be/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-21 19:14:24,846 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 19:14:24,847 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 19:14:24,848 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 19:14:24,848 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 19:14:24,850 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 19:14:24,850 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 19:14:24,850 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 19:14:24,851 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-21 19:14:24,851 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-21 19:14:24,851 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-21 19:14:24,852 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-21 19:14:24,852 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-21 19:14:24,853 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-21 19:14:24,853 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 19:14:24,853 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 19:14:24,853 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-21 19:14:24,853 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 19:14:24,854 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 19:14:24,854 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 19:14:24,854 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-21 19:14:24,854 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-21 19:14:24,855 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-21 19:14:24,855 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 19:14:24,855 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 19:14:24,856 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-21 19:14:24,856 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 19:14:24,856 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-21 19:14:24,856 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 19:14:24,857 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 19:14:24,857 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 19:14:24,857 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 19:14:24,858 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 19:14:24,859 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-21 19:14:24,859 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_d13cc956-1353-4c8a-9f2b-07debdf64587/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d13cc956-1353-4c8a-9f2b-07debdf64587/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bf462270e0c7c70d13b1dd17e19a66c26542ea365ec57459489c94e9a63941a0 [2021-10-21 19:14:25,164 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 19:14:25,184 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 19:14:25,187 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 19:14:25,189 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 19:14:25,195 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 19:14:25,197 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d13cc956-1353-4c8a-9f2b-07debdf64587/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/product-lines/email_spec4_product18.cil.c [2021-10-21 19:14:25,277 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d13cc956-1353-4c8a-9f2b-07debdf64587/bin/uautomizer-j4sWxH34Be/data/c7e98d7dd/0af2fa7950ec4604bd03948f53412f92/FLAG94214a4f4 [2021-10-21 19:14:25,966 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 19:14:25,967 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d13cc956-1353-4c8a-9f2b-07debdf64587/sv-benchmarks/c/product-lines/email_spec4_product18.cil.c [2021-10-21 19:14:25,990 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d13cc956-1353-4c8a-9f2b-07debdf64587/bin/uautomizer-j4sWxH34Be/data/c7e98d7dd/0af2fa7950ec4604bd03948f53412f92/FLAG94214a4f4 [2021-10-21 19:14:26,169 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d13cc956-1353-4c8a-9f2b-07debdf64587/bin/uautomizer-j4sWxH34Be/data/c7e98d7dd/0af2fa7950ec4604bd03948f53412f92 [2021-10-21 19:14:26,171 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 19:14:26,177 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 19:14:26,180 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 19:14:26,180 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 19:14:26,184 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 19:14:26,185 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:14:26" (1/1) ... [2021-10-21 19:14:26,186 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@235aaaff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:14:26, skipping insertion in model container [2021-10-21 19:14:26,186 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:14:26" (1/1) ... [2021-10-21 19:14:26,193 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 19:14:26,306 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:14:26,922 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_d13cc956-1353-4c8a-9f2b-07debdf64587/sv-benchmarks/c/product-lines/email_spec4_product18.cil.c[61907,61920] [2021-10-21 19:14:26,924 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:14:26,937 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 19:14:27,082 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_d13cc956-1353-4c8a-9f2b-07debdf64587/sv-benchmarks/c/product-lines/email_spec4_product18.cil.c[61907,61920] [2021-10-21 19:14:27,083 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:14:27,130 INFO L208 MainTranslator]: Completed translation [2021-10-21 19:14:27,130 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:14:27 WrapperNode [2021-10-21 19:14:27,131 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 19:14:27,132 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 19:14:27,132 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 19:14:27,133 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 19:14:27,142 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:14:27" (1/1) ... [2021-10-21 19:14:27,179 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:14:27" (1/1) ... [2021-10-21 19:14:27,269 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 19:14:27,270 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 19:14:27,270 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 19:14:27,270 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 19:14:27,279 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:14:27" (1/1) ... [2021-10-21 19:14:27,279 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:14:27" (1/1) ... [2021-10-21 19:14:27,290 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:14:27" (1/1) ... [2021-10-21 19:14:27,291 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:14:27" (1/1) ... [2021-10-21 19:14:27,324 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:14:27" (1/1) ... [2021-10-21 19:14:27,340 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:14:27" (1/1) ... [2021-10-21 19:14:27,346 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:14:27" (1/1) ... [2021-10-21 19:14:27,359 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 19:14:27,360 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 19:14:27,360 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 19:14:27,360 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 19:14:27,361 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:14:27" (1/1) ... [2021-10-21 19:14:27,369 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:27,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d13cc956-1353-4c8a-9f2b-07debdf64587/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:27,406 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d13cc956-1353-4c8a-9f2b-07debdf64587/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:27,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d13cc956-1353-4c8a-9f2b-07debdf64587/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-21 19:14:27,492 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-10-21 19:14:27,492 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 19:14:27,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-21 19:14:27,493 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 19:14:27,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 19:14:29,274 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 19:14:29,274 INFO L299 CfgBuilder]: Removed 263 assume(true) statements. [2021-10-21 19:14:29,277 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:14:29 BoogieIcfgContainer [2021-10-21 19:14:29,277 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 19:14:29,279 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-21 19:14:29,279 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-21 19:14:29,282 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-21 19:14:29,283 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 19:14:29,284 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.10 07:14:26" (1/3) ... [2021-10-21 19:14:29,285 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@e82265d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 07:14:29, skipping insertion in model container [2021-10-21 19:14:29,285 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 19:14:29,286 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:14:27" (2/3) ... [2021-10-21 19:14:29,286 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@e82265d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 07:14:29, skipping insertion in model container [2021-10-21 19:14:29,286 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 19:14:29,286 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:14:29" (3/3) ... [2021-10-21 19:14:29,288 INFO L389 chiAutomizerObserver]: Analyzing ICFG email_spec4_product18.cil.c [2021-10-21 19:14:29,338 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-21 19:14:29,338 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-21 19:14:29,338 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-21 19:14:29,338 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-21 19:14:29,338 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-21 19:14:29,339 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-21 19:14:29,339 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-21 19:14:29,339 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-21 19:14:29,366 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 409 states, 408 states have (on average 1.7598039215686274) internal successors, (718), 408 states have internal predecessors, (718), 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 19:14:29,416 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 212 [2021-10-21 19:14:29,416 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:14:29,416 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:14:29,426 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 19:14:29,426 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:14:29,426 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-21 19:14:29,428 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 409 states, 408 states have (on average 1.7598039215686274) internal successors, (718), 408 states have internal predecessors, (718), 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 19:14:29,446 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 212 [2021-10-21 19:14:29,446 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:14:29,447 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:14:29,449 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 19:14:29,449 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:14:29,455 INFO L791 eck$LassoCheckResult]: Stem: 400#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(28);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(44);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(44);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(9);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(11);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(19);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string27.base, #t~string27.offset, 1);call write~init~int(100, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(10, #t~string27.base, 2 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 3 + #t~string27.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string30.base, #t~string30.offset, 1);call write~init~int(100, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(10, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 3 + #t~string30.offset, 1);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(10);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(12);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(10);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(18);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(13);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(16);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(25);call #t~string87.base, #t~string87.offset := #Ultimate.allocOnStack(30);call #t~string88.base, #t~string88.offset := #Ultimate.allocOnStack(9);call #t~string89.base, #t~string89.offset := #Ultimate.allocOnStack(21);call #t~string90.base, #t~string90.offset := #Ultimate.allocOnStack(30);call #t~string91.base, #t~string91.offset := #Ultimate.allocOnStack(9);call #t~string92.base, #t~string92.offset := #Ultimate.allocOnStack(21);call #t~string96.base, #t~string96.offset := #Ultimate.allocOnStack(30);call #t~string97.base, #t~string97.offset := #Ultimate.allocOnStack(9);call #t~string98.base, #t~string98.offset := #Ultimate.allocOnStack(25);call #t~string99.base, #t~string99.offset := #Ultimate.allocOnStack(30);call #t~string100.base, #t~string100.offset := #Ultimate.allocOnStack(9);call #t~string101.base, #t~string101.offset := #Ultimate.allocOnStack(25);call #t~string105.base, #t~string105.offset := #Ultimate.allocOnStack(13);call #t~string109.base, #t~string109.offset := #Ultimate.allocOnStack(10);call #t~string113.base, #t~string113.offset := #Ultimate.allocOnStack(16);call #t~string118.base, #t~string118.offset := #Ultimate.allocOnStack(20);call #t~string120.base, #t~string120.offset := #Ultimate.allocOnStack(22);call #t~string130.base, #t~string130.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string130.base, #t~string130.offset, 1);call write~init~int(115, #t~string130.base, 1 + #t~string130.offset, 1);call write~init~int(10, #t~string130.base, 2 + #t~string130.offset, 1);call write~init~int(0, #t~string130.base, 3 + #t~string130.offset, 1);~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~__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;~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0; 334#L-1true havoc main_#res;havoc main_#t~ret22, main_~retValue_acc~28, main_~tmp~3;havoc main_~retValue_acc~28;havoc main_~tmp~3; 14#L2551true havoc valid_product_#res;havoc valid_product_~retValue_acc~36;havoc valid_product_~retValue_acc~36;valid_product_~retValue_acc~36 := 1;valid_product_#res := valid_product_~retValue_acc~36; 154#L2559true main_#t~ret22 := valid_product_#res;main_~tmp~3 := main_#t~ret22;havoc main_#t~ret22; 94#L1714true assume 0 != main_~tmp~3;havoc setup_#t~nondet17, setup_#t~nondet19, setup_#t~nondet21, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setup_bob__wrappee__Base_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__wrappee__Base_~bob___0;setup_bob__wrappee__Base_~bob___0 := setup_bob__wrappee__Base_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__wrappee__Base_~bob___0, setup_bob__wrappee__Base_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 355#L1112true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 212#L1118-2true setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_bob_~bob___0, 123;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 202#L677true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 28#L683-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string16.base, #t~string16.offset;havoc setup_#t~nondet17;~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; 65#L1112-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 271#L1118-5true setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_rjh_~rjh___0, 456;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 139#L677-2true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 40#L683-5true setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string18.base, #t~string18.offset;havoc setup_#t~nondet19;~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; 199#L1112-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 227#L1118-8true setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_chuck_~chuck___0, 789;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 185#L677-4true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 296#L683-8true setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset := #t~string20.base, #t~string20.offset;havoc setup_#t~nondet21; 274#L1701true havoc test_#t~nondet58, test_#t~nondet59, test_#t~nondet60, test_#t~nondet61, test_#t~nondet62, test_#t~nondet63, test_#t~nondet64, test_#t~nondet65, test_#t~nondet66, test_#t~nondet67, test_#t~nondet68, 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~8, test_~tmp___0~4, test_~tmp___1~2, test_~tmp___2~1, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~8;havoc test_~tmp___0~4;havoc test_~tmp___1~2;havoc test_~tmp___2~1;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 112#L2132-1true [2021-10-21 19:14:29,456 INFO L793 eck$LassoCheckResult]: Loop: 112#L2132-1true assume !false; 114#L1987true assume test_~splverifierCounter~0 < 4; 131#L1988true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 62#L1994true assume !(0 == test_~op1~0); 243#L2007true assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet59;havoc test_#t~nondet59; 125#L2012true assume 0 != test_~tmp___8~0;setClientAutoResponse_#in~handle, setClientAutoResponse_#in~value := ~rjh~0, 1;havoc setClientAutoResponse_~handle, setClientAutoResponse_~value;setClientAutoResponse_~handle := setClientAutoResponse_#in~handle;setClientAutoResponse_~value := setClientAutoResponse_#in~value; 260#L630true assume 1 == setClientAutoResponse_~handle;~__ste_client_autoResponse0~0 := setClientAutoResponse_~value; 386#L636-2true test_~op2~0 := 1; 112#L2132-1true [2021-10-21 19:14:29,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:14:29,462 INFO L82 PathProgramCache]: Analyzing trace with hash 1291925977, now seen corresponding path program 1 times [2021-10-21 19:14:29,471 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:14:29,472 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010585491] [2021-10-21 19:14:29,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:14:29,473 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:14:29,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:14:29,922 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 19:14:29,923 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:14:29,923 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010585491] [2021-10-21 19:14:29,925 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2010585491] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:14:29,925 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:14:29,926 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:14:29,928 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620530445] [2021-10-21 19:14:29,941 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 19:14:29,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:14:29,942 INFO L82 PathProgramCache]: Analyzing trace with hash 527790547, now seen corresponding path program 1 times [2021-10-21 19:14:29,942 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:14:29,942 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208639632] [2021-10-21 19:14:29,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:14:29,943 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:14:29,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:14:29,954 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:14:29,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:14:30,015 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:14:30,129 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 19:14:30,130 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 19:14:30,130 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 19:14:30,130 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 19:14:30,131 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-21 19:14:30,131 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:30,131 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 19:14:30,131 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 19:14:30,131 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec4_product18.cil.c_Iteration1_Loop [2021-10-21 19:14:30,131 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 19:14:30,132 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 19:14:30,152 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 19:14:30,163 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 19:14:30,177 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 19:14:30,183 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 19:14:30,189 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 19:14:30,193 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 19:14:30,344 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 19:14:30,344 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-21 19:14:30,348 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:30,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d13cc956-1353-4c8a-9f2b-07debdf64587/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:30,352 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d13cc956-1353-4c8a-9f2b-07debdf64587/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:30,368 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 19:14:30,368 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 19:14:30,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d13cc956-1353-4c8a-9f2b-07debdf64587/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-21 19:14:30,410 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-21 19:14:30,410 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~__ste_client_autoResponse0~0=1, ULTIMATE.start_setClientAutoResponse_#in~value=1, ULTIMATE.start_setClientAutoResponse_~value=1} Honda state: {~__ste_client_autoResponse0~0=1, ULTIMATE.start_setClientAutoResponse_#in~value=1, ULTIMATE.start_setClientAutoResponse_~value=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-21 19:14:30,432 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d13cc956-1353-4c8a-9f2b-07debdf64587/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2021-10-21 19:14:30,433 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:30,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d13cc956-1353-4c8a-9f2b-07debdf64587/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:30,435 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d13cc956-1353-4c8a-9f2b-07debdf64587/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:30,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d13cc956-1353-4c8a-9f2b-07debdf64587/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-21 19:14:30,444 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 19:14:30,444 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 19:14:30,505 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d13cc956-1353-4c8a-9f2b-07debdf64587/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-21 19:14:30,505 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:30,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d13cc956-1353-4c8a-9f2b-07debdf64587/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:30,507 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d13cc956-1353-4c8a-9f2b-07debdf64587/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:30,516 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-21 19:14:30,516 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 19:14:30,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d13cc956-1353-4c8a-9f2b-07debdf64587/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-21 19:14:30,581 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-21 19:14:30,588 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d13cc956-1353-4c8a-9f2b-07debdf64587/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-21 19:14:30,589 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 19:14:30,589 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 19:14:30,589 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 19:14:30,589 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 19:14:30,589 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 19:14:30,589 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:30,589 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 19:14:30,590 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 19:14:30,590 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec4_product18.cil.c_Iteration1_Loop [2021-10-21 19:14:30,590 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 19:14:30,590 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 19:14:30,592 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 19:14:30,604 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 19:14:30,610 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 19:14:30,624 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:14:30,634 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 19:14:30,642 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 19:14:30,768 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 19:14:30,773 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 19:14:30,775 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:30,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d13cc956-1353-4c8a-9f2b-07debdf64587/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:30,782 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d13cc956-1353-4c8a-9f2b-07debdf64587/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:30,788 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 19:14:30,799 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:14:30,799 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:14:30,800 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:30,800 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-21 19:14:30,800 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:14:30,804 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 19:14:30,805 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:14:30,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d13cc956-1353-4c8a-9f2b-07debdf64587/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-21 19:14:30,817 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:30,853 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d13cc956-1353-4c8a-9f2b-07debdf64587/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-21 19:14:30,853 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:30,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d13cc956-1353-4c8a-9f2b-07debdf64587/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:30,854 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d13cc956-1353-4c8a-9f2b-07debdf64587/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:30,861 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 19:14:30,870 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:14:30,870 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:14:30,870 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:30,870 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:14:30,870 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:14:30,873 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:14:30,873 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:14:30,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d13cc956-1353-4c8a-9f2b-07debdf64587/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-21 19:14:30,884 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 19:14:30,888 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-21 19:14:30,889 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-21 19:14:30,890 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:30,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d13cc956-1353-4c8a-9f2b-07debdf64587/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:30,892 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d13cc956-1353-4c8a-9f2b-07debdf64587/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:30,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d13cc956-1353-4c8a-9f2b-07debdf64587/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-21 19:14:30,921 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 19:14:30,921 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-21 19:14:30,921 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 19:14:30,922 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 19:14:30,960 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d13cc956-1353-4c8a-9f2b-07debdf64587/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-21 19:14:30,962 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-21 19:14:30,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:14:31,128 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d13cc956-1353-4c8a-9f2b-07debdf64587/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2021-10-21 19:14:31,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:14:31,187 INFO L263 TraceCheckSpWp]: Trace formula consists of 619 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 19:14:31,191 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:14:31,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:14:31,315 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 19:14:31,316 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:14:31,452 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 19:14:31,468 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 19:14:31,470 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 409 states, 408 states have (on average 1.7598039215686274) internal successors, (718), 408 states have internal predecessors, (718), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:31,655 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 409 states, 408 states have (on average 1.7598039215686274) internal successors, (718), 408 states have internal predecessors, (718), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 961 states and 1670 transitions. Complement of second has 7 states. [2021-10-21 19:14:31,655 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 19:14:31,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:31,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1001 transitions. [2021-10-21 19:14:31,662 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1001 transitions. Stem has 18 letters. Loop has 8 letters. [2021-10-21 19:14:31,663 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:14:31,664 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1001 transitions. Stem has 26 letters. Loop has 8 letters. [2021-10-21 19:14:31,664 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:14:31,664 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1001 transitions. Stem has 18 letters. Loop has 16 letters. [2021-10-21 19:14:31,666 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:14:31,666 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 961 states and 1670 transitions. [2021-10-21 19:14:31,694 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-21 19:14:31,697 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 961 states to 0 states and 0 transitions. [2021-10-21 19:14:31,698 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-21 19:14:31,698 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-21 19:14:31,698 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-21 19:14:31,699 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 19:14:31,699 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:14:31,699 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:14:31,699 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:14:31,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:14:31,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:14:31,707 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:31,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:14:31,709 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2021-10-21 19:14:31,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-21 19:14:31,710 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2021-10-21 19:14:31,710 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-21 19:14:31,710 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2021-10-21 19:14:31,711 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-21 19:14:31,711 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-21 19:14:31,711 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-21 19:14:31,711 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 19:14:31,711 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:14:31,711 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:14:31,711 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:14:31,712 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-21 19:14:31,712 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-21 19:14:31,712 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-21 19:14:31,712 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-21 19:14:31,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.10 07:14:31 BoogieIcfgContainer [2021-10-21 19:14:31,718 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-21 19:14:31,719 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 19:14:31,719 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 19:14:31,719 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 19:14:31,720 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:14:29" (3/4) ... [2021-10-21 19:14:31,722 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-21 19:14:31,723 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 19:14:31,725 INFO L168 Benchmark]: Toolchain (without parser) took 5547.72 ms. Allocated memory was 90.2 MB in the beginning and 169.9 MB in the end (delta: 79.7 MB). Free memory was 55.2 MB in the beginning and 89.6 MB in the end (delta: -34.4 MB). Peak memory consumption was 44.9 MB. Max. memory is 16.1 GB. [2021-10-21 19:14:31,725 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 90.2 MB. Free memory was 45.0 MB in the beginning and 45.0 MB in the end (delta: 38.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:14:31,727 INFO L168 Benchmark]: CACSL2BoogieTranslator took 951.58 ms. Allocated memory was 90.2 MB in the beginning and 125.8 MB in the end (delta: 35.7 MB). Free memory was 55.1 MB in the beginning and 75.4 MB in the end (delta: -20.3 MB). Peak memory consumption was 14.9 MB. Max. memory is 16.1 GB. [2021-10-21 19:14:31,732 INFO L168 Benchmark]: Boogie Procedure Inliner took 137.50 ms. Allocated memory is still 125.8 MB. Free memory was 75.4 MB in the beginning and 67.1 MB in the end (delta: 8.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-21 19:14:31,735 INFO L168 Benchmark]: Boogie Preprocessor took 88.88 ms. Allocated memory is still 125.8 MB. Free memory was 67.1 MB in the beginning and 60.9 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-21 19:14:31,740 INFO L168 Benchmark]: RCFGBuilder took 1917.97 ms. Allocated memory is still 125.8 MB. Free memory was 60.9 MB in the beginning and 56.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 34.6 MB. Max. memory is 16.1 GB. [2021-10-21 19:14:31,741 INFO L168 Benchmark]: BuchiAutomizer took 2439.75 ms. Allocated memory was 125.8 MB in the beginning and 169.9 MB in the end (delta: 44.0 MB). Free memory was 56.6 MB in the beginning and 90.6 MB in the end (delta: -34.0 MB). Peak memory consumption was 9.8 MB. Max. memory is 16.1 GB. [2021-10-21 19:14:31,742 INFO L168 Benchmark]: Witness Printer took 3.99 ms. Allocated memory is still 169.9 MB. Free memory was 90.6 MB in the beginning and 89.6 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:14:31,751 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 90.2 MB. Free memory was 45.0 MB in the beginning and 45.0 MB in the end (delta: 38.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 951.58 ms. Allocated memory was 90.2 MB in the beginning and 125.8 MB in the end (delta: 35.7 MB). Free memory was 55.1 MB in the beginning and 75.4 MB in the end (delta: -20.3 MB). Peak memory consumption was 14.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 137.50 ms. Allocated memory is still 125.8 MB. Free memory was 75.4 MB in the beginning and 67.1 MB in the end (delta: 8.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 88.88 ms. Allocated memory is still 125.8 MB. Free memory was 67.1 MB in the beginning and 60.9 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1917.97 ms. Allocated memory is still 125.8 MB. Free memory was 60.9 MB in the beginning and 56.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 34.6 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 2439.75 ms. Allocated memory was 125.8 MB in the beginning and 169.9 MB in the end (delta: 44.0 MB). Free memory was 56.6 MB in the beginning and 90.6 MB in the end (delta: -34.0 MB). Peak memory consumption was 9.8 MB. Max. memory is 16.1 GB. * Witness Printer took 3.99 ms. Allocated memory is still 169.9 MB. Free memory was 90.6 MB in the beginning and 89.6 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (1 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function 7 + -2 * splverifierCounter and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.6s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 714 SDtfs, 715 SDslu, 1324 SDs, 0 SdLazy, 6 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.6ms Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital45 mio100 ax100 hnf100 lsp24 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq209 hnf86 smp100 dnf120 smp100 tf108 neg92 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 42ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-21 19:14:31,788 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d13cc956-1353-4c8a-9f2b-07debdf64587/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...