./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/email_spec3_product31.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f25eccd-88a7-4a2e-b4f5-3434eac01853/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f25eccd-88a7-4a2e-b4f5-3434eac01853/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f25eccd-88a7-4a2e-b4f5-3434eac01853/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f25eccd-88a7-4a2e-b4f5-3434eac01853/bin/uautomizer-GMMbpWq8iD/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/email_spec3_product31.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f25eccd-88a7-4a2e-b4f5-3434eac01853/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f25eccd-88a7-4a2e-b4f5-3434eac01853/bin/uautomizer-GMMbpWq8iD --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 beb678f648eb46083c76f273f6eef79e0abada1343858eba26829a720997a379 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 23:53:30,895 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:53:30,897 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:53:30,931 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:53:30,931 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:53:30,933 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:53:30,935 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:53:30,938 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:53:30,940 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:53:30,941 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:53:30,943 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:53:30,945 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:53:30,945 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:53:30,947 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:53:30,949 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:53:30,950 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:53:30,952 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:53:30,953 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:53:30,955 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:53:30,958 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:53:30,960 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:53:30,962 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:53:30,964 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:53:30,965 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:53:30,970 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:53:30,971 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:53:30,971 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:53:30,972 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:53:30,973 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:53:30,975 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:53:30,975 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:53:30,976 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:53:30,977 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:53:30,978 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:53:30,980 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:53:30,980 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:53:30,982 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:53:30,982 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:53:30,982 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:53:30,984 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:53:30,985 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:53:30,987 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f25eccd-88a7-4a2e-b4f5-3434eac01853/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-28 23:53:31,047 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:53:31,047 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:53:31,047 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:53:31,048 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:53:31,049 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:53:31,049 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:53:31,050 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:53:31,050 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 23:53:31,050 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 23:53:31,050 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 23:53:31,051 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 23:53:31,051 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 23:53:31,051 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 23:53:31,051 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:53:31,052 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 23:53:31,052 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 23:53:31,052 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:53:31,052 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 23:53:31,053 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:53:31,053 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 23:53:31,053 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 23:53:31,053 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 23:53:31,053 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 23:53:31,054 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 23:53:31,054 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 23:53:31,054 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:53:31,054 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 23:53:31,055 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:53:31,055 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:53:31,055 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:53:31,056 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 23:53:31,056 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:53:31,060 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 23:53:31,061 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_5f25eccd-88a7-4a2e-b4f5-3434eac01853/bin/uautomizer-GMMbpWq8iD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f25eccd-88a7-4a2e-b4f5-3434eac01853/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> beb678f648eb46083c76f273f6eef79e0abada1343858eba26829a720997a379 [2021-10-28 23:53:31,351 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:53:31,378 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:53:31,381 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:53:31,382 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:53:31,384 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:53:31,385 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f25eccd-88a7-4a2e-b4f5-3434eac01853/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/product-lines/email_spec3_product31.cil.c [2021-10-28 23:53:31,491 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f25eccd-88a7-4a2e-b4f5-3434eac01853/bin/uautomizer-GMMbpWq8iD/data/b4b721192/d38d3cc1776f44d59e02dab863c0c61d/FLAG377fcb9b9 [2021-10-28 23:53:32,204 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:53:32,204 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f25eccd-88a7-4a2e-b4f5-3434eac01853/sv-benchmarks/c/product-lines/email_spec3_product31.cil.c [2021-10-28 23:53:32,245 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f25eccd-88a7-4a2e-b4f5-3434eac01853/bin/uautomizer-GMMbpWq8iD/data/b4b721192/d38d3cc1776f44d59e02dab863c0c61d/FLAG377fcb9b9 [2021-10-28 23:53:32,365 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f25eccd-88a7-4a2e-b4f5-3434eac01853/bin/uautomizer-GMMbpWq8iD/data/b4b721192/d38d3cc1776f44d59e02dab863c0c61d [2021-10-28 23:53:32,372 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:53:32,375 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 23:53:32,378 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:53:32,378 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:53:32,382 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:53:32,383 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:53:32" (1/1) ... [2021-10-28 23:53:32,385 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23e514c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:53:32, skipping insertion in model container [2021-10-28 23:53:32,386 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:53:32" (1/1) ... [2021-10-28 23:53:32,393 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:53:32,518 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:53:33,086 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_5f25eccd-88a7-4a2e-b4f5-3434eac01853/sv-benchmarks/c/product-lines/email_spec3_product31.cil.c[42138,42151] [2021-10-28 23:53:33,181 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:53:33,196 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 23:53:33,322 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_5f25eccd-88a7-4a2e-b4f5-3434eac01853/sv-benchmarks/c/product-lines/email_spec3_product31.cil.c[42138,42151] [2021-10-28 23:53:33,356 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:53:33,399 INFO L208 MainTranslator]: Completed translation [2021-10-28 23:53:33,399 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:53:33 WrapperNode [2021-10-28 23:53:33,400 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:53:33,401 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 23:53:33,404 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 23:53:33,405 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 23:53:33,411 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:53:33" (1/1) ... [2021-10-28 23:53:33,445 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:53:33" (1/1) ... [2021-10-28 23:53:33,617 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 23:53:33,618 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 23:53:33,618 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 23:53:33,618 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 23:53:33,627 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:53:33" (1/1) ... [2021-10-28 23:53:33,628 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:53:33" (1/1) ... [2021-10-28 23:53:33,639 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:53:33" (1/1) ... [2021-10-28 23:53:33,640 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:53:33" (1/1) ... [2021-10-28 23:53:33,703 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:53:33" (1/1) ... [2021-10-28 23:53:33,761 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:53:33" (1/1) ... [2021-10-28 23:53:33,771 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:53:33" (1/1) ... [2021-10-28 23:53:33,801 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 23:53:33,802 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 23:53:33,802 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 23:53:33,803 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 23:53:33,806 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:53:33" (1/1) ... [2021-10-28 23:53:33,814 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:53:33,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f25eccd-88a7-4a2e-b4f5-3434eac01853/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:53:33,849 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f25eccd-88a7-4a2e-b4f5-3434eac01853/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:53:33,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f25eccd-88a7-4a2e-b4f5-3434eac01853/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 23:53:33,903 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-10-28 23:53:33,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 23:53:33,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 23:53:33,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 23:53:33,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 23:53:36,533 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 23:53:36,534 INFO L299 CfgBuilder]: Removed 395 assume(true) statements. [2021-10-28 23:53:36,538 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:53:36 BoogieIcfgContainer [2021-10-28 23:53:36,538 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 23:53:36,539 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 23:53:36,539 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 23:53:36,543 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 23:53:36,544 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:53:36,545 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 11:53:32" (1/3) ... [2021-10-28 23:53:36,546 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2f0b24e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 11:53:36, skipping insertion in model container [2021-10-28 23:53:36,547 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:53:36,547 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:53:33" (2/3) ... [2021-10-28 23:53:36,548 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2f0b24e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 11:53:36, skipping insertion in model container [2021-10-28 23:53:36,548 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:53:36,548 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:53:36" (3/3) ... [2021-10-28 23:53:36,550 INFO L389 chiAutomizerObserver]: Analyzing ICFG email_spec3_product31.cil.c [2021-10-28 23:53:36,608 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 23:53:36,608 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 23:53:36,608 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 23:53:36,608 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 23:53:36,609 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 23:53:36,609 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 23:53:36,609 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 23:53:36,609 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 23:53:36,662 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 601 states, 600 states have (on average 1.7333333333333334) internal successors, (1040), 600 states have internal predecessors, (1040), 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) [2021-10-28 23:53:36,733 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 212 [2021-10-28 23:53:36,737 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:53:36,738 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:53:36,747 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:53:36,747 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-10-28 23:53:36,748 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 23:53:36,750 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 601 states, 600 states have (on average 1.7333333333333334) internal successors, (1040), 600 states have internal predecessors, (1040), 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) [2021-10-28 23:53:36,767 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 212 [2021-10-28 23:53:36,768 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:53:36,768 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:53:36,770 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:53:36,771 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-10-28 23:53:36,778 INFO L791 eck$LassoCheckResult]: Stem: 589#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~string55.base, #t~string55.offset := #Ultimate.allocOnStack(30);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(9);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(21);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(30);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(9);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(25);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);call #t~string84.base, #t~string84.offset := #Ultimate.allocOnStack(10);call #t~string90.base, #t~string90.offset := #Ultimate.allocOnStack(16);call #t~string99.base, #t~string99.offset := #Ultimate.allocOnStack(20);call #t~string102.base, #t~string102.offset := #Ultimate.allocOnStack(21);call #t~string110.base, #t~string110.offset := #Ultimate.allocOnStack(13);call #t~string113.base, #t~string113.offset := #Ultimate.allocOnStack(16);call #t~string115.base, #t~string115.offset := #Ultimate.allocOnStack(15);call #t~string117.base, #t~string117.offset := #Ultimate.allocOnStack(16);call #t~string124.base, #t~string124.offset := #Ultimate.allocOnStack(10);call #t~string127.base, #t~string127.offset := #Ultimate.allocOnStack(12);call #t~string130.base, #t~string130.offset := #Ultimate.allocOnStack(10);call #t~string133.base, #t~string133.offset := #Ultimate.allocOnStack(18);call #t~string136.base, #t~string136.offset := #Ultimate.allocOnStack(16);call #t~string139.base, #t~string139.offset := #Ultimate.allocOnStack(21);call #t~string142.base, #t~string142.offset := #Ultimate.allocOnStack(13);call #t~string145.base, #t~string145.offset := #Ultimate.allocOnStack(16);call #t~string148.base, #t~string148.offset := #Ultimate.allocOnStack(25);call #t~string152.base, #t~string152.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string152.base, #t~string152.offset, 1);call write~init~int(115, #t~string152.base, 1 + #t~string152.offset, 1);call write~init~int(10, #t~string152.base, 2 + #t~string152.offset, 1);call write~init~int(0, #t~string152.base, 3 + #t~string152.offset, 1);~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~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;~sent_signed~0 := -1;~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0; 498#L-1true havoc main_#res;havoc main_#t~ret22, main_~retValue_acc~17, main_~tmp~3;havoc main_~retValue_acc~17;havoc main_~tmp~3; 236#L1824true havoc valid_product_#res;havoc valid_product_~retValue_acc~22;havoc valid_product_~retValue_acc~22;valid_product_~retValue_acc~22 := 1;valid_product_#res := valid_product_~retValue_acc~22; 450#L1832true main_#t~ret22 := valid_product_#res;main_~tmp~3 := main_#t~ret22;havoc main_#t~ret22; 525#L1302true 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_tmp3~1.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; 522#L1112true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 317#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; 299#L677true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 51#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; 111#L1112-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 396#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; 217#L677-2true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 67#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; 292#L1112-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 337#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; 275#L677-4true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 440#L683-8true setup_~__cil_tmp3~1.base, setup_~__cil_tmp3~1.offset := #t~string20.base, #t~string20.offset;havoc setup_#t~nondet21; 488#L1289true havoc test_#t~nondet73, test_#t~nondet74, test_#t~nondet75, test_#t~nondet76, test_#t~nondet77, test_#t~nondet78, test_#t~nondet79, test_#t~nondet80, test_#t~nondet81, test_#t~nondet82, test_#t~nondet83, 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___0~2, test_~tmp___1~1, test_~tmp___2~0, 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___0~2;havoc test_~tmp___1~1;havoc test_~tmp___2~0;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; 581#L2031-1true [2021-10-28 23:53:36,778 INFO L793 eck$LassoCheckResult]: Loop: 581#L2031-1true assume !false; 200#L1886true assume test_~splverifierCounter~0 < 4; 99#L1887true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 535#L1893true assume !(0 == test_~op1~0); 233#L1906true assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet74;havoc test_#t~nondet74; 40#L1911true assume 0 != test_~tmp___8~0;test_~op2~0 := 1; 581#L2031-1true [2021-10-28 23:53:36,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:53:36,785 INFO L85 PathProgramCache]: Analyzing trace with hash 1291925977, now seen corresponding path program 1 times [2021-10-28 23:53:36,804 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:53:36,805 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187447746] [2021-10-28 23:53:36,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:53:36,807 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:53:37,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:53:37,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:53:37,254 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:53:37,255 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [187447746] [2021-10-28 23:53:37,257 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [187447746] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:53:37,257 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:53:37,258 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:53:37,260 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910805727] [2021-10-28 23:53:37,270 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 23:53:37,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:53:37,274 INFO L85 PathProgramCache]: Analyzing trace with hash 590492675, now seen corresponding path program 1 times [2021-10-28 23:53:37,275 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:53:37,275 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564968650] [2021-10-28 23:53:37,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:53:37,276 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:53:37,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:53:37,299 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:53:37,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:53:37,362 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:53:37,439 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:53:37,440 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:53:37,440 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:53:37,440 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:53:37,441 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-28 23:53:37,441 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:53:37,441 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:53:37,441 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:53:37,442 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec3_product31.cil.c_Iteration1_Loop [2021-10-28 23:53:37,442 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:53:37,442 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:53:37,462 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:53:37,471 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:53:37,477 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:53:37,483 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:53:37,556 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:53:37,557 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-28 23:53:37,560 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:53:37,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f25eccd-88a7-4a2e-b4f5-3434eac01853/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:53:37,566 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f25eccd-88a7-4a2e-b4f5-3434eac01853/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:53:37,577 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 23:53:37,578 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 23:53:37,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f25eccd-88a7-4a2e-b4f5-3434eac01853/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-28 23:53:37,640 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f25eccd-88a7-4a2e-b4f5-3434eac01853/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-28 23:53:37,641 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:53:37,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f25eccd-88a7-4a2e-b4f5-3434eac01853/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:53:37,643 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f25eccd-88a7-4a2e-b4f5-3434eac01853/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:53:37,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f25eccd-88a7-4a2e-b4f5-3434eac01853/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-28 23:53:37,649 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-28 23:53:37,650 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 23:53:37,673 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-28 23:53:37,712 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f25eccd-88a7-4a2e-b4f5-3434eac01853/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-28 23:53:37,712 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:53:37,712 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:53:37,713 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:53:37,713 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:53:37,713 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 23:53:37,713 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:53:37,713 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:53:37,713 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:53:37,714 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec3_product31.cil.c_Iteration1_Loop [2021-10-28 23:53:37,714 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:53:37,714 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:53:37,715 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:53:37,729 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:53:37,736 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:53:37,743 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:53:37,826 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:53:37,832 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 23:53:37,836 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:53:37,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f25eccd-88a7-4a2e-b4f5-3434eac01853/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:53:37,838 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f25eccd-88a7-4a2e-b4f5-3434eac01853/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:53:37,850 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 [2021-10-28 23:53:37,861 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:53:37,862 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:53:37,862 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:53:37,862 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-28 23:53:37,862 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:53:37,868 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 23:53:37,868 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:53:37,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f25eccd-88a7-4a2e-b4f5-3434eac01853/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-28 23:53:37,881 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:53:37,919 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f25eccd-88a7-4a2e-b4f5-3434eac01853/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-28 23:53:37,919 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:53:37,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f25eccd-88a7-4a2e-b4f5-3434eac01853/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:53:37,921 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f25eccd-88a7-4a2e-b4f5-3434eac01853/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:53:37,930 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 [2021-10-28 23:53:37,939 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:53:37,940 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:53:37,940 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:53:37,940 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:53:37,940 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:53:37,942 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:53:37,942 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:53:37,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f25eccd-88a7-4a2e-b4f5-3434eac01853/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-28 23:53:37,953 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 23:53:37,986 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-28 23:53:37,986 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-28 23:53:37,988 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:53:37,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f25eccd-88a7-4a2e-b4f5-3434eac01853/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:53:37,997 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f25eccd-88a7-4a2e-b4f5-3434eac01853/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:53:38,018 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 23:53:38,018 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-28 23:53:38,018 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 23:53:38,019 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op2~0) = -2*ULTIMATE.start_test_~op2~0 + 1 Supporting invariants [] [2021-10-28 23:53:38,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f25eccd-88a7-4a2e-b4f5-3434eac01853/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-28 23:53:38,060 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f25eccd-88a7-4a2e-b4f5-3434eac01853/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-28 23:53:38,063 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-28 23:53:38,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:53:38,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:53:38,280 INFO L263 TraceCheckSpWp]: Trace formula consists of 651 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 23:53:38,286 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:53:38,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:53:38,434 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 23:53:38,434 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:53:38,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:53:38,586 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 [2021-10-28 23:53:38,592 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 601 states, 600 states have (on average 1.7333333333333334) internal successors, (1040), 600 states have internal predecessors, (1040), 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) [2021-10-28 23:53:38,922 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f25eccd-88a7-4a2e-b4f5-3434eac01853/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-28 23:53:39,037 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 601 states, 600 states have (on average 1.7333333333333334) internal successors, (1040), 600 states have internal predecessors, (1040), 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 2678 states and 4608 transitions. Complement of second has 7 states. [2021-10-28 23:53:39,038 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 [2021-10-28 23:53:39,040 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) [2021-10-28 23:53:39,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2634 transitions. [2021-10-28 23:53:39,046 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 2634 transitions. Stem has 18 letters. Loop has 6 letters. [2021-10-28 23:53:39,048 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:53:39,048 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 2634 transitions. Stem has 24 letters. Loop has 6 letters. [2021-10-28 23:53:39,049 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:53:39,049 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 2634 transitions. Stem has 18 letters. Loop has 12 letters. [2021-10-28 23:53:39,049 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:53:39,050 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2678 states and 4608 transitions. [2021-10-28 23:53:39,087 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 423 [2021-10-28 23:53:39,106 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2678 states to 879 states and 1596 transitions. [2021-10-28 23:53:39,107 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 454 [2021-10-28 23:53:39,109 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 455 [2021-10-28 23:53:39,110 INFO L73 IsDeterministic]: Start isDeterministic. Operand 879 states and 1596 transitions. [2021-10-28 23:53:39,110 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 23:53:39,111 INFO L681 BuchiCegarLoop]: Abstraction has 879 states and 1596 transitions. [2021-10-28 23:53:39,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 879 states and 1596 transitions. [2021-10-28 23:53:39,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 879 to 456. [2021-10-28 23:53:39,178 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) [2021-10-28 23:53:39,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 456 states and 825 transitions. [2021-10-28 23:53:39,183 INFO L704 BuchiCegarLoop]: Abstraction has 456 states and 825 transitions. [2021-10-28 23:53:39,183 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:53:39,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:53:39,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:53:39,189 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) [2021-10-28 23:53:39,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:53:39,250 INFO L93 Difference]: Finished difference Result 892 states and 1615 transitions. [2021-10-28 23:53:39,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:53:39,251 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 892 states and 1615 transitions. [2021-10-28 23:53:39,262 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 424 [2021-10-28 23:53:39,274 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 892 states to 892 states and 1615 transitions. [2021-10-28 23:53:39,274 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 466 [2021-10-28 23:53:39,275 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 466 [2021-10-28 23:53:39,276 INFO L73 IsDeterministic]: Start isDeterministic. Operand 892 states and 1615 transitions. [2021-10-28 23:53:39,281 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 23:53:39,281 INFO L681 BuchiCegarLoop]: Abstraction has 892 states and 1615 transitions. [2021-10-28 23:53:39,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 892 states and 1615 transitions. [2021-10-28 23:53:39,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 892 to 455. [2021-10-28 23:53:39,301 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) [2021-10-28 23:53:39,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 821 transitions. [2021-10-28 23:53:39,304 INFO L704 BuchiCegarLoop]: Abstraction has 455 states and 821 transitions. [2021-10-28 23:53:39,305 INFO L587 BuchiCegarLoop]: Abstraction has 455 states and 821 transitions. [2021-10-28 23:53:39,305 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-28 23:53:39,305 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 455 states and 821 transitions. [2021-10-28 23:53:39,309 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 212 [2021-10-28 23:53:39,309 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:53:39,309 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:53:39,311 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] [2021-10-28 23:53:39,311 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:53:39,311 INFO L791 eck$LassoCheckResult]: Stem: 5178#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(28);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(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~string55.base, #t~string55.offset := #Ultimate.allocOnStack(30);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(9);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(21);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(30);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(9);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(25);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);call #t~string84.base, #t~string84.offset := #Ultimate.allocOnStack(10);call #t~string90.base, #t~string90.offset := #Ultimate.allocOnStack(16);call #t~string99.base, #t~string99.offset := #Ultimate.allocOnStack(20);call #t~string102.base, #t~string102.offset := #Ultimate.allocOnStack(21);call #t~string110.base, #t~string110.offset := #Ultimate.allocOnStack(13);call #t~string113.base, #t~string113.offset := #Ultimate.allocOnStack(16);call #t~string115.base, #t~string115.offset := #Ultimate.allocOnStack(15);call #t~string117.base, #t~string117.offset := #Ultimate.allocOnStack(16);call #t~string124.base, #t~string124.offset := #Ultimate.allocOnStack(10);call #t~string127.base, #t~string127.offset := #Ultimate.allocOnStack(12);call #t~string130.base, #t~string130.offset := #Ultimate.allocOnStack(10);call #t~string133.base, #t~string133.offset := #Ultimate.allocOnStack(18);call #t~string136.base, #t~string136.offset := #Ultimate.allocOnStack(16);call #t~string139.base, #t~string139.offset := #Ultimate.allocOnStack(21);call #t~string142.base, #t~string142.offset := #Ultimate.allocOnStack(13);call #t~string145.base, #t~string145.offset := #Ultimate.allocOnStack(16);call #t~string148.base, #t~string148.offset := #Ultimate.allocOnStack(25);call #t~string152.base, #t~string152.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string152.base, #t~string152.offset, 1);call write~init~int(115, #t~string152.base, 1 + #t~string152.offset, 1);call write~init~int(10, #t~string152.base, 2 + #t~string152.offset, 1);call write~init~int(0, #t~string152.base, 3 + #t~string152.offset, 1);~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~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;~sent_signed~0 := -1;~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0; 5134#L-1 havoc main_#res;havoc main_#t~ret22, main_~retValue_acc~17, main_~tmp~3;havoc main_~retValue_acc~17;havoc main_~tmp~3; 5135#L1824 havoc valid_product_#res;havoc valid_product_~retValue_acc~22;havoc valid_product_~retValue_acc~22;valid_product_~retValue_acc~22 := 1;valid_product_#res := valid_product_~retValue_acc~22; 5084#L1832 main_#t~ret22 := valid_product_#res;main_~tmp~3 := main_#t~ret22;havoc main_#t~ret22; 5085#L1302 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_tmp3~1.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; 5156#L1112 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 4800#L1118-2 setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_bob_~bob___0, 123;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 4757#L677 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 4758#L683-2 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; 4867#L1112-2 assume !(1 == setClientId_~handle); 4816#L1115-2 assume 2 == setClientId_~handle;~__ste_client_idCounter1~0 := setClientId_~value; 4817#L1118-5 setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_rjh_~rjh___0, 456;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 5012#L677-2 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 4905#L683-5 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; 4748#L1112-4 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 4749#L1118-8 setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_chuck_~chuck___0, 789;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 4872#L677-4 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 5050#L683-8 setup_~__cil_tmp3~1.base, setup_~__cil_tmp3~1.offset := #t~string20.base, #t~string20.offset;havoc setup_#t~nondet21; 5067#L1289 havoc test_#t~nondet73, test_#t~nondet74, test_#t~nondet75, test_#t~nondet76, test_#t~nondet77, test_#t~nondet78, test_#t~nondet79, test_#t~nondet80, test_#t~nondet81, test_#t~nondet82, test_#t~nondet83, 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___0~2, test_~tmp___1~1, test_~tmp___2~0, 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___0~2;havoc test_~tmp___1~1;havoc test_~tmp___2~0;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; 5123#L2031-1 assume !false; 5138#L1886 [2021-10-28 23:53:39,312 INFO L793 eck$LassoCheckResult]: Loop: 5138#L1886 assume test_~splverifierCounter~0 < 4; 4974#L1887 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 4975#L1893 assume !(0 == test_~op1~0); 4901#L1906 assume !(0 == test_~op2~0); 4845#L1917 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet75;havoc test_#t~nondet75; 5106#L1922 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; 4982#L677-6 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 4983#L683-11 test_~op3~0 := 1; 4782#L2031-1 assume !false; 5138#L1886 [2021-10-28 23:53:39,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:53:39,312 INFO L85 PathProgramCache]: Analyzing trace with hash -953559564, now seen corresponding path program 1 times [2021-10-28 23:53:39,313 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:53:39,313 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615919206] [2021-10-28 23:53:39,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:53:39,313 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:53:39,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:53:39,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:53:39,465 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:53:39,465 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1615919206] [2021-10-28 23:53:39,465 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1615919206] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:53:39,466 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:53:39,466 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 23:53:39,466 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313444708] [2021-10-28 23:53:39,467 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 23:53:39,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:53:39,468 INFO L85 PathProgramCache]: Analyzing trace with hash -1296812605, now seen corresponding path program 1 times [2021-10-28 23:53:39,468 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:53:39,469 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932935568] [2021-10-28 23:53:39,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:53:39,469 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:53:39,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:53:39,493 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:53:39,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:53:39,524 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:53:39,675 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:53:39,675 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:53:39,675 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:53:39,675 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:53:39,676 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-28 23:53:39,676 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:53:39,676 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:53:39,676 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:53:39,676 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec3_product31.cil.c_Iteration2_Loop [2021-10-28 23:53:39,676 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:53:39,676 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:53:39,678 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:53:39,690 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:53:39,694 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:53:39,701 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:53:39,709 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:53:39,713 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:53:39,721 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:53:39,877 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:53:39,877 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-28 23:53:39,877 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:53:39,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f25eccd-88a7-4a2e-b4f5-3434eac01853/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:53:39,878 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f25eccd-88a7-4a2e-b4f5-3434eac01853/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:53:39,934 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 23:53:39,934 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 23:53:39,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f25eccd-88a7-4a2e-b4f5-3434eac01853/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-28 23:53:39,997 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f25eccd-88a7-4a2e-b4f5-3434eac01853/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-28 23:53:39,997 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:53:39,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f25eccd-88a7-4a2e-b4f5-3434eac01853/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:53:40,001 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f25eccd-88a7-4a2e-b4f5-3434eac01853/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:53:40,017 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-28 23:53:40,017 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 23:53:40,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f25eccd-88a7-4a2e-b4f5-3434eac01853/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-28 23:53:40,086 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-28 23:53:40,092 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f25eccd-88a7-4a2e-b4f5-3434eac01853/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-28 23:53:40,093 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:53:40,093 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:53:40,093 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:53:40,093 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:53:40,093 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 23:53:40,093 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:53:40,093 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:53:40,094 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:53:40,094 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec3_product31.cil.c_Iteration2_Loop [2021-10-28 23:53:40,094 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:53:40,094 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:53:40,095 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:53:40,103 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:53:40,106 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:53:40,110 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:53:40,117 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:53:40,119 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:53:40,124 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:53:40,254 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:53:40,255 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 23:53:40,255 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:53:40,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f25eccd-88a7-4a2e-b4f5-3434eac01853/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:53:40,256 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f25eccd-88a7-4a2e-b4f5-3434eac01853/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:53:40,262 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 [2021-10-28 23:53:40,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f25eccd-88a7-4a2e-b4f5-3434eac01853/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-28 23:53:40,270 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:53:40,271 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:53:40,271 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:53:40,271 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:53:40,271 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:53:40,272 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:53:40,272 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:53:40,285 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 23:53:40,288 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-28 23:53:40,288 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-28 23:53:40,289 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:53:40,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f25eccd-88a7-4a2e-b4f5-3434eac01853/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:53:40,290 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f25eccd-88a7-4a2e-b4f5-3434eac01853/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:53:40,297 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 23:53:40,297 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-28 23:53:40,298 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 23:53:40,298 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 7 Supporting invariants [] [2021-10-28 23:53:40,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f25eccd-88a7-4a2e-b4f5-3434eac01853/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-28 23:53:40,349 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f25eccd-88a7-4a2e-b4f5-3434eac01853/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-28 23:53:40,349 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-28 23:53:40,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:53:40,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:53:40,575 INFO L263 TraceCheckSpWp]: Trace formula consists of 653 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 23:53:40,577 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:53:40,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:53:40,694 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 23:53:40,694 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:53:40,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:53:40,819 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 [2021-10-28 23:53:40,819 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) [2021-10-28 23:53:40,861 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. [2021-10-28 23:53:40,861 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 [2021-10-28 23:53:40,861 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) [2021-10-28 23:53:40,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 433 transitions. [2021-10-28 23:53:40,862 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 433 transitions. Stem has 20 letters. Loop has 9 letters. [2021-10-28 23:53:40,863 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:53:40,863 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 433 transitions. Stem has 29 letters. Loop has 9 letters. [2021-10-28 23:53:40,864 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:53:40,864 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 433 transitions. Stem has 20 letters. Loop has 18 letters. [2021-10-28 23:53:40,865 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:53:40,865 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 883 states and 1601 transitions. [2021-10-28 23:53:40,875 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 23:53:40,875 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 883 states to 0 states and 0 transitions. [2021-10-28 23:53:40,875 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-28 23:53:40,875 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-28 23:53:40,875 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-28 23:53:40,875 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:53:40,876 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:53:40,876 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:53:40,876 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:53:40,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 23:53:40,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:53:40,877 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) [2021-10-28 23:53:40,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:53:40,877 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2021-10-28 23:53:40,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-28 23:53:40,877 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2021-10-28 23:53:40,878 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 23:53:40,878 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 23:53:40,878 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-28 23:53:40,878 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-28 23:53:40,878 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-28 23:53:40,878 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:53:40,878 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:53:40,878 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:53:40,878 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:53:40,879 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-28 23:53:40,879 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-28 23:53:40,879 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 23:53:40,879 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-28 23:53:40,885 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 11:53:40 BoogieIcfgContainer [2021-10-28 23:53:40,885 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 23:53:40,886 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:53:40,886 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:53:40,886 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:53:40,887 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:53:36" (3/4) ... [2021-10-28 23:53:40,890 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 23:53:40,890 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:53:40,896 INFO L168 Benchmark]: Toolchain (without parser) took 8515.59 ms. Allocated memory was 94.4 MB in the beginning and 222.3 MB in the end (delta: 127.9 MB). Free memory was 57.2 MB in the beginning and 120.8 MB in the end (delta: -63.7 MB). Peak memory consumption was 63.6 MB. Max. memory is 16.1 GB. [2021-10-28 23:53:40,898 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 94.4 MB. Free memory was 63.9 MB in the beginning and 63.8 MB in the end (delta: 28.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:53:40,905 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1022.17 ms. Allocated memory was 94.4 MB in the beginning and 140.5 MB in the end (delta: 46.1 MB). Free memory was 57.0 MB in the beginning and 87.8 MB in the end (delta: -30.8 MB). Peak memory consumption was 14.8 MB. Max. memory is 16.1 GB. [2021-10-28 23:53:40,905 INFO L168 Benchmark]: Boogie Procedure Inliner took 216.05 ms. Allocated memory is still 140.5 MB. Free memory was 87.8 MB in the beginning and 75.9 MB in the end (delta: 11.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-28 23:53:40,906 INFO L168 Benchmark]: Boogie Preprocessor took 183.74 ms. Allocated memory is still 140.5 MB. Free memory was 75.9 MB in the beginning and 67.5 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 23:53:40,907 INFO L168 Benchmark]: RCFGBuilder took 2735.93 ms. Allocated memory is still 140.5 MB. Free memory was 67.5 MB in the beginning and 59.3 MB in the end (delta: 8.2 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.1 GB. [2021-10-28 23:53:40,910 INFO L168 Benchmark]: BuchiAutomizer took 4346.07 ms. Allocated memory was 140.5 MB in the beginning and 222.3 MB in the end (delta: 81.8 MB). Free memory was 59.3 MB in the beginning and 121.9 MB in the end (delta: -62.6 MB). Peak memory consumption was 19.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:53:40,911 INFO L168 Benchmark]: Witness Printer took 4.35 ms. Allocated memory is still 222.3 MB. Free memory was 121.9 MB in the beginning and 120.8 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:53:40,920 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 94.4 MB. Free memory was 63.9 MB in the beginning and 63.8 MB in the end (delta: 28.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1022.17 ms. Allocated memory was 94.4 MB in the beginning and 140.5 MB in the end (delta: 46.1 MB). Free memory was 57.0 MB in the beginning and 87.8 MB in the end (delta: -30.8 MB). Peak memory consumption was 14.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 216.05 ms. Allocated memory is still 140.5 MB. Free memory was 87.8 MB in the beginning and 75.9 MB in the end (delta: 11.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 183.74 ms. Allocated memory is still 140.5 MB. Free memory was 75.9 MB in the beginning and 67.5 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2735.93 ms. Allocated memory is still 140.5 MB. Free memory was 67.5 MB in the beginning and 59.3 MB in the end (delta: 8.2 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 4346.07 ms. Allocated memory was 140.5 MB in the beginning and 222.3 MB in the end (delta: 81.8 MB). Free memory was 59.3 MB in the beginning and 121.9 MB in the end (delta: -62.6 MB). Peak memory consumption was 19.1 MB. Max. memory is 16.1 GB. * Witness Printer took 4.35 ms. Allocated memory is still 222.3 MB. Free memory was 121.9 MB in the beginning and 120.8 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 4 terminating modules (2 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * op2 + 1 and consists of 5 locations. One deterministic module has affine ranking function 7 + -2 * splverifierCounter and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.2s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.3s. Construction of modules took 0.0s. Büchi inclusion checks took 1.5s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 2. Automata minimization 0.0s 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: 3279 SDtfs, 2859 SDslu, 4121 SDs, 0 SdLazy, 26 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT2 lasso0 LassoPreprocessingBenchmarks: Lassos: inital38 mio100 ax100 hnf100 lsp29 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq189 hnf90 smp100 dnf134 smp100 tf108 neg92 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 45ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 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! [2021-10-28 23:53:40,987 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f25eccd-88a7-4a2e-b4f5-3434eac01853/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-28 23:53:41,183 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f25eccd-88a7-4a2e-b4f5-3434eac01853/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request...