./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/email_spec4_product32.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcb220f-b0dc-44d5-9eff-c89fbcd2bd4d/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcb220f-b0dc-44d5-9eff-c89fbcd2bd4d/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcb220f-b0dc-44d5-9eff-c89fbcd2bd4d/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcb220f-b0dc-44d5-9eff-c89fbcd2bd4d/bin/uautomizer-tPACEb0tL8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/email_spec4_product32.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcb220f-b0dc-44d5-9eff-c89fbcd2bd4d/bin/uautomizer-tPACEb0tL8/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcb220f-b0dc-44d5-9eff-c89fbcd2bd4d/bin/uautomizer-tPACEb0tL8 --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 5711b4c0ea669ac051f0ad97dbc3a1a473a1622b7d95c937325001ba5ca1073b --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 12:05:23,202 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 12:05:23,204 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 12:05:23,225 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 12:05:23,226 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 12:05:23,227 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 12:05:23,229 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 12:05:23,231 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 12:05:23,233 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 12:05:23,234 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 12:05:23,235 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 12:05:23,237 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 12:05:23,237 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 12:05:23,239 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 12:05:23,240 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 12:05:23,242 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 12:05:23,243 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 12:05:23,244 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 12:05:23,246 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 12:05:23,248 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 12:05:23,250 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 12:05:23,260 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 12:05:23,261 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 12:05:23,262 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 12:05:23,267 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 12:05:23,271 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 12:05:23,271 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 12:05:23,272 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 12:05:23,273 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 12:05:23,274 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 12:05:23,276 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 12:05:23,278 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 12:05:23,279 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 12:05:23,281 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 12:05:23,283 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 12:05:23,284 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 12:05:23,286 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 12:05:23,286 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 12:05:23,286 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 12:05:23,288 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 12:05:23,288 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 12:05:23,289 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcb220f-b0dc-44d5-9eff-c89fbcd2bd4d/bin/uautomizer-tPACEb0tL8/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-16 12:05:23,339 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 12:05:23,344 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 12:05:23,345 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 12:05:23,345 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 12:05:23,347 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 12:05:23,347 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 12:05:23,347 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 12:05:23,348 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-16 12:05:23,348 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-16 12:05:23,348 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-16 12:05:23,349 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-16 12:05:23,350 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-16 12:05:23,350 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-16 12:05:23,350 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 12:05:23,350 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 12:05:23,351 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 12:05:23,351 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 12:05:23,351 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 12:05:23,351 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 12:05:23,352 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-16 12:05:23,352 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-16 12:05:23,352 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-16 12:05:23,352 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 12:05:23,353 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 12:05:23,353 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-16 12:05:23,353 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 12:05:23,353 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-16 12:05:23,354 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 12:05:23,354 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 12:05:23,354 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 12:05:23,355 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 12:05:23,356 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-16 12:05:23,357 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_cfcb220f-b0dc-44d5-9eff-c89fbcd2bd4d/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcb220f-b0dc-44d5-9eff-c89fbcd2bd4d/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5711b4c0ea669ac051f0ad97dbc3a1a473a1622b7d95c937325001ba5ca1073b [2022-11-16 12:05:23,743 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 12:05:23,768 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 12:05:23,771 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 12:05:23,773 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 12:05:23,774 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 12:05:23,775 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcb220f-b0dc-44d5-9eff-c89fbcd2bd4d/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/product-lines/email_spec4_product32.cil.c [2022-11-16 12:05:23,856 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcb220f-b0dc-44d5-9eff-c89fbcd2bd4d/bin/uautomizer-tPACEb0tL8/data/08788d1d2/7bf035182ad640a3aec4f19e4d1fd297/FLAGb709e7e51 [2022-11-16 12:05:24,665 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 12:05:24,665 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcb220f-b0dc-44d5-9eff-c89fbcd2bd4d/sv-benchmarks/c/product-lines/email_spec4_product32.cil.c [2022-11-16 12:05:24,695 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcb220f-b0dc-44d5-9eff-c89fbcd2bd4d/bin/uautomizer-tPACEb0tL8/data/08788d1d2/7bf035182ad640a3aec4f19e4d1fd297/FLAGb709e7e51 [2022-11-16 12:05:24,804 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcb220f-b0dc-44d5-9eff-c89fbcd2bd4d/bin/uautomizer-tPACEb0tL8/data/08788d1d2/7bf035182ad640a3aec4f19e4d1fd297 [2022-11-16 12:05:24,807 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 12:05:24,809 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 12:05:24,815 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 12:05:24,816 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 12:05:24,820 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 12:05:24,821 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:05:24" (1/1) ... [2022-11-16 12:05:24,824 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ecd21dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:05:24, skipping insertion in model container [2022-11-16 12:05:24,825 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:05:24" (1/1) ... [2022-11-16 12:05:24,835 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 12:05:24,933 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 12:05:25,532 WARN L229 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_cfcb220f-b0dc-44d5-9eff-c89fbcd2bd4d/sv-benchmarks/c/product-lines/email_spec4_product32.cil.c[32699,32712] [2022-11-16 12:05:25,836 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:05:25,861 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 12:05:25,963 WARN L229 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_cfcb220f-b0dc-44d5-9eff-c89fbcd2bd4d/sv-benchmarks/c/product-lines/email_spec4_product32.cil.c[32699,32712] [2022-11-16 12:05:26,035 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:05:26,085 INFO L208 MainTranslator]: Completed translation [2022-11-16 12:05:26,086 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:05:26 WrapperNode [2022-11-16 12:05:26,086 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 12:05:26,088 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 12:05:26,088 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 12:05:26,088 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 12:05:26,098 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:05:26" (1/1) ... [2022-11-16 12:05:26,159 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:05:26" (1/1) ... [2022-11-16 12:05:26,395 INFO L138 Inliner]: procedures = 134, calls = 237, calls flagged for inlining = 144, calls inlined = 340, statements flattened = 5241 [2022-11-16 12:05:26,396 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 12:05:26,397 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 12:05:26,397 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 12:05:26,398 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 12:05:26,409 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:05:26" (1/1) ... [2022-11-16 12:05:26,409 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:05:26" (1/1) ... [2022-11-16 12:05:26,434 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:05:26" (1/1) ... [2022-11-16 12:05:26,439 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:05:26" (1/1) ... [2022-11-16 12:05:26,489 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:05:26" (1/1) ... [2022-11-16 12:05:26,554 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:05:26" (1/1) ... [2022-11-16 12:05:26,562 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:05:26" (1/1) ... [2022-11-16 12:05:26,595 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:05:26" (1/1) ... [2022-11-16 12:05:26,624 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 12:05:26,626 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 12:05:26,627 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 12:05:26,628 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 12:05:26,629 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:05:26" (1/1) ... [2022-11-16 12:05:26,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:05:26,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcb220f-b0dc-44d5-9eff-c89fbcd2bd4d/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:05:26,673 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcb220f-b0dc-44d5-9eff-c89fbcd2bd4d/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:05:26,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcb220f-b0dc-44d5-9eff-c89fbcd2bd4d/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-16 12:05:26,768 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2022-11-16 12:05:26,769 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 12:05:26,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 12:05:26,769 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 12:05:26,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 12:05:27,147 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 12:05:27,149 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 12:05:30,212 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 12:05:30,232 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 12:05:30,233 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-16 12:05:30,240 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:05:30 BoogieIcfgContainer [2022-11-16 12:05:30,240 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 12:05:30,241 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-16 12:05:30,241 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-16 12:05:30,249 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-16 12:05:30,250 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 12:05:30,251 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 16.11 12:05:24" (1/3) ... [2022-11-16 12:05:30,252 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7925264c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 12:05:30, skipping insertion in model container [2022-11-16 12:05:30,252 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 12:05:30,253 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:05:26" (2/3) ... [2022-11-16 12:05:30,253 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7925264c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 12:05:30, skipping insertion in model container [2022-11-16 12:05:30,253 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 12:05:30,253 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:05:30" (3/3) ... [2022-11-16 12:05:30,255 INFO L332 chiAutomizerObserver]: Analyzing ICFG email_spec4_product32.cil.c [2022-11-16 12:05:30,355 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-16 12:05:30,355 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-16 12:05:30,355 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-16 12:05:30,356 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-16 12:05:30,356 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-16 12:05:30,356 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-16 12:05:30,356 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-16 12:05:30,356 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-16 12:05:30,367 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 1176 states, 1175 states have (on average 1.686808510638298) internal successors, (1982), 1175 states have internal predecessors, (1982), 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) [2022-11-16 12:05:30,454 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 266 [2022-11-16 12:05:30,455 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:05:30,455 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:05:30,468 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:05:30,468 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:05:30,468 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-16 12:05:30,472 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 1176 states, 1175 states have (on average 1.686808510638298) internal successors, (1982), 1175 states have internal predecessors, (1982), 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) [2022-11-16 12:05:30,519 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 266 [2022-11-16 12:05:30,520 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:05:30,520 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:05:30,525 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:05:30,525 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:05:30,532 INFO L748 eck$LassoCheckResult]: Stem: 556#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(28, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(44, 4);call #Ultimate.allocInit(44, 5);call #Ultimate.allocInit(9, 6);call #Ultimate.allocInit(9, 7);call #Ultimate.allocInit(11, 8);call #Ultimate.allocInit(19, 9);call #Ultimate.allocInit(4, 10);call write~init~int(37, 10, 0, 1);call write~init~int(100, 10, 1, 1);call write~init~int(10, 10, 2, 1);call write~init~int(0, 10, 3, 1);call #Ultimate.allocInit(4, 11);call write~init~int(37, 11, 0, 1);call write~init~int(100, 11, 1, 1);call write~init~int(10, 11, 2, 1);call write~init~int(0, 11, 3, 1);call #Ultimate.allocInit(10, 12);call #Ultimate.allocInit(12, 13);call #Ultimate.allocInit(10, 14);call #Ultimate.allocInit(18, 15);call #Ultimate.allocInit(16, 16);call #Ultimate.allocInit(21, 17);call #Ultimate.allocInit(13, 18);call #Ultimate.allocInit(16, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(10, 21);call #Ultimate.allocInit(34, 22);call #Ultimate.allocInit(30, 23);call #Ultimate.allocInit(16, 24);call #Ultimate.allocInit(20, 25);call #Ultimate.allocInit(22, 26);call #Ultimate.allocInit(13, 27);call #Ultimate.allocInit(4, 28);call write~init~int(37, 28, 0, 1);call write~init~int(115, 28, 1, 1);call write~init~int(10, 28, 2, 1);call write~init~int(0, 28, 3, 1);call #Ultimate.allocInit(30, 29);call #Ultimate.allocInit(9, 30);call #Ultimate.allocInit(21, 31);call #Ultimate.allocInit(30, 32);call #Ultimate.allocInit(9, 33);call #Ultimate.allocInit(21, 34);call #Ultimate.allocInit(30, 35);call #Ultimate.allocInit(9, 36);call #Ultimate.allocInit(25, 37);call #Ultimate.allocInit(30, 38);call #Ultimate.allocInit(9, 39);call #Ultimate.allocInit(25, 40);~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.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_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~rjh~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_email_to1~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_encryptionKey0~0 := 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_email_from0~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_isEncrypted0~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~queued_client~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_counter~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User0~0 := 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_counter~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~queued_message~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~bob~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_signKey0~0 := 0;~chuck~0 := 0;~queue_empty~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__SELECTED_FEATURE_Base~0 := 0;~__ste_email_id0~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_client_idCounter2~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver0~0 := 0; 1070#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret15#1, main_~retValue_acc~19#1, main_~tmp~3#1;havoc main_~retValue_acc~19#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 620#L85true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 304#L78true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 904#L93true main_#t~ret15#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret15#1;havoc main_#t~ret15#1; 192#L1338true assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true;havoc setup_#t~nondet12#1, setup_#t~nondet13#1, setup_#t~nondet14#1, setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset, setup_~__cil_tmp2~0#1.base, setup_~__cil_tmp2~0#1.offset, setup_~__cil_tmp3~1#1.base, setup_~__cil_tmp3~1#1.offset;havoc setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset;havoc setup_~__cil_tmp2~0#1.base, setup_~__cil_tmp2~0#1.offset;havoc setup_~__cil_tmp3~1#1.base, setup_~__cil_tmp3~1#1.offset;~bob~0 := 1;assume { :begin_inline_setup_bob } true;setup_bob_#in~bob___0#1 := ~bob~0;havoc setup_bob_~bob___0#1;setup_bob_~bob___0#1 := setup_bob_#in~bob___0#1;assume { :begin_inline_setup_bob__wrappee__Base } true;setup_bob__wrappee__Base_#in~bob___0#1 := setup_bob_~bob___0#1;havoc setup_bob__wrappee__Base_~bob___0#1;setup_bob__wrappee__Base_~bob___0#1 := setup_bob__wrappee__Base_#in~bob___0#1;assume { :begin_inline_setClientId } true;setClientId_#in~handle#1, setClientId_#in~value#1 := setup_bob__wrappee__Base_~bob___0#1, setup_bob__wrappee__Base_~bob___0#1;havoc setClientId_~handle#1, setClientId_~value#1;setClientId_~handle#1 := setClientId_#in~handle#1;setClientId_~value#1 := setClientId_#in~value#1; 186#L1161true assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 348#L1167-2true assume { :end_inline_setClientId } true; 658#L1215true assume { :end_inline_setup_bob__wrappee__Base } true;assume { :begin_inline_setClientPrivateKey } true;setClientPrivateKey_#in~handle#1, setClientPrivateKey_#in~value#1 := setup_bob_~bob___0#1, 123;havoc setClientPrivateKey_~handle#1, setClientPrivateKey_~value#1;setClientPrivateKey_~handle#1 := setClientPrivateKey_#in~handle#1;setClientPrivateKey_~value#1 := setClientPrivateKey_#in~value#1; 526#L726true assume 1 == setClientPrivateKey_~handle#1;~__ste_client_privateKey0~0 := setClientPrivateKey_~value#1; 833#L732-2true assume { :end_inline_setClientPrivateKey } true; 63#L1226true assume { :end_inline_setup_bob } true;setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset := 6, 0;havoc setup_#t~nondet12#1;~rjh~0 := 2;assume { :begin_inline_setup_rjh } true;setup_rjh_#in~rjh___0#1 := ~rjh~0;havoc setup_rjh_~rjh___0#1;setup_rjh_~rjh___0#1 := setup_rjh_#in~rjh___0#1;assume { :begin_inline_setup_rjh__wrappee__Base } true;setup_rjh__wrappee__Base_#in~rjh___0#1 := setup_rjh_~rjh___0#1;havoc setup_rjh__wrappee__Base_~rjh___0#1;setup_rjh__wrappee__Base_~rjh___0#1 := setup_rjh__wrappee__Base_#in~rjh___0#1;assume { :begin_inline_setClientId } true;setClientId_#in~handle#1, setClientId_#in~value#1 := setup_rjh__wrappee__Base_~rjh___0#1, setup_rjh__wrappee__Base_~rjh___0#1;havoc setClientId_~handle#1, setClientId_~value#1;setClientId_~handle#1 := setClientId_#in~handle#1;setClientId_~value#1 := setClientId_#in~value#1; 485#L1161-2true assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 214#L1167-5true assume { :end_inline_setClientId } true; 1085#L1236true assume { :end_inline_setup_rjh__wrappee__Base } true;assume { :begin_inline_setClientPrivateKey } true;setClientPrivateKey_#in~handle#1, setClientPrivateKey_#in~value#1 := setup_rjh_~rjh___0#1, 456;havoc setClientPrivateKey_~handle#1, setClientPrivateKey_~value#1;setClientPrivateKey_~handle#1 := setClientPrivateKey_#in~handle#1;setClientPrivateKey_~value#1 := setClientPrivateKey_#in~value#1; 211#L726-2true assume 1 == setClientPrivateKey_~handle#1;~__ste_client_privateKey0~0 := setClientPrivateKey_~value#1; 586#L732-5true assume { :end_inline_setClientPrivateKey } true; 243#L1247true assume { :end_inline_setup_rjh } true;setup_~__cil_tmp2~0#1.base, setup_~__cil_tmp2~0#1.offset := 7, 0;havoc setup_#t~nondet13#1;~chuck~0 := 3;assume { :begin_inline_setup_chuck } true;setup_chuck_#in~chuck___0#1 := ~chuck~0;havoc setup_chuck_~chuck___0#1;setup_chuck_~chuck___0#1 := setup_chuck_#in~chuck___0#1;assume { :begin_inline_setup_chuck__wrappee__Base } true;setup_chuck__wrappee__Base_#in~chuck___0#1 := setup_chuck_~chuck___0#1;havoc setup_chuck__wrappee__Base_~chuck___0#1;setup_chuck__wrappee__Base_~chuck___0#1 := setup_chuck__wrappee__Base_#in~chuck___0#1;assume { :begin_inline_setClientId } true;setClientId_#in~handle#1, setClientId_#in~value#1 := setup_chuck__wrappee__Base_~chuck___0#1, setup_chuck__wrappee__Base_~chuck___0#1;havoc setClientId_~handle#1, setClientId_~value#1;setClientId_~handle#1 := setClientId_#in~handle#1;setClientId_~value#1 := setClientId_#in~value#1; 60#L1161-4true assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 637#L1167-8true assume { :end_inline_setClientId } true; 746#L1257true assume { :end_inline_setup_chuck__wrappee__Base } true;assume { :begin_inline_setClientPrivateKey } true;setClientPrivateKey_#in~handle#1, setClientPrivateKey_#in~value#1 := setup_chuck_~chuck___0#1, 789;havoc setClientPrivateKey_~handle#1, setClientPrivateKey_~value#1;setClientPrivateKey_~handle#1 := setClientPrivateKey_#in~handle#1;setClientPrivateKey_~value#1 := setClientPrivateKey_#in~value#1; 986#L726-4true assume 1 == setClientPrivateKey_~handle#1;~__ste_client_privateKey0~0 := setClientPrivateKey_~value#1; 701#L732-8true assume { :end_inline_setClientPrivateKey } true; 517#L1268true assume { :end_inline_setup_chuck } true;setup_~__cil_tmp3~1#1.base, setup_~__cil_tmp3~1#1.offset := 8, 0;havoc setup_#t~nondet14#1; 1174#L1325true assume { :end_inline_setup } true;assume { :begin_inline_test } true;havoc test_#t~nondet103#1, test_#t~nondet104#1, test_#t~nondet105#1, test_#t~nondet106#1, test_#t~nondet107#1, test_#t~nondet108#1, test_#t~nondet109#1, test_#t~nondet110#1, test_#t~nondet111#1, test_#t~nondet112#1, test_#t~nondet113#1, test_~op1~0#1, test_~op2~0#1, test_~op3~0#1, test_~op4~0#1, test_~op5~0#1, test_~op6~0#1, test_~op7~0#1, test_~op8~0#1, test_~op9~0#1, test_~op10~0#1, test_~op11~0#1, test_~splverifierCounter~0#1, test_~tmp~25#1, test_~tmp___0~10#1, test_~tmp___1~5#1, test_~tmp___2~4#1, test_~tmp___3~1#1, test_~tmp___4~1#1, test_~tmp___5~0#1, test_~tmp___6~0#1, test_~tmp___7~0#1, test_~tmp___8~0#1, test_~tmp___9~0#1;havoc test_~op1~0#1;havoc test_~op2~0#1;havoc test_~op3~0#1;havoc test_~op4~0#1;havoc test_~op5~0#1;havoc test_~op6~0#1;havoc test_~op7~0#1;havoc test_~op8~0#1;havoc test_~op9~0#1;havoc test_~op10~0#1;havoc test_~op11~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~25#1;havoc test_~tmp___0~10#1;havoc test_~tmp___1~5#1;havoc test_~tmp___2~4#1;havoc test_~tmp___3~1#1;havoc test_~tmp___4~1#1;havoc test_~tmp___5~0#1;havoc test_~tmp___6~0#1;havoc test_~tmp___7~0#1;havoc test_~tmp___8~0#1;havoc test_~tmp___9~0#1;test_~op1~0#1 := 0;test_~op2~0#1 := 0;test_~op3~0#1 := 0;test_~op4~0#1 := 0;test_~op5~0#1 := 0;test_~op6~0#1 := 0;test_~op7~0#1 := 0;test_~op8~0#1 := 0;test_~op9~0#1 := 0;test_~op10~0#1 := 0;test_~op11~0#1 := 0;test_~splverifierCounter~0#1 := 0; 652#L2645-1true [2022-11-16 12:05:30,533 INFO L750 eck$LassoCheckResult]: Loop: 652#L2645-1true assume !false; 523#L2497true assume test_~splverifierCounter~0#1 < 4; 785#L2498true test_~splverifierCounter~0#1 := 1 + test_~splverifierCounter~0#1; 676#L2504true assume !(0 == test_~op1~0#1); 391#L2517true assume 0 == test_~op2~0#1;test_~tmp___8~0#1 := test_#t~nondet104#1;havoc test_#t~nondet104#1; 23#L2522true assume 0 != test_~tmp___8~0#1;assume { :begin_inline_rjhSetAutoRespond } true;assume { :begin_inline_setClientAutoResponse } true;setClientAutoResponse_#in~handle#1, setClientAutoResponse_#in~value#1 := ~rjh~0, 1;havoc setClientAutoResponse_~handle#1, setClientAutoResponse_~value#1;setClientAutoResponse_~handle#1 := setClientAutoResponse_#in~handle#1;setClientAutoResponse_~value#1 := setClientAutoResponse_#in~value#1; 534#L679true assume 1 == setClientAutoResponse_~handle#1;~__ste_client_autoResponse0~0 := setClientAutoResponse_~value#1; 1170#L685-2true assume { :end_inline_setClientAutoResponse } true; 282#L1468true assume { :end_inline_rjhSetAutoRespond } true;test_~op2~0#1 := 1; 652#L2645-1true [2022-11-16 12:05:30,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:05:30,544 INFO L85 PathProgramCache]: Analyzing trace with hash 56074497, now seen corresponding path program 1 times [2022-11-16 12:05:30,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:05:30,556 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693530929] [2022-11-16 12:05:30,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:05:30,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:05:30,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:31,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:05:31,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:05:31,254 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693530929] [2022-11-16 12:05:31,255 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [693530929] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:05:31,256 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:05:31,256 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 12:05:31,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770004001] [2022-11-16 12:05:31,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:05:31,265 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-16 12:05:31,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:05:31,269 INFO L85 PathProgramCache]: Analyzing trace with hash 853771930, now seen corresponding path program 1 times [2022-11-16 12:05:31,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:05:31,271 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736689841] [2022-11-16 12:05:31,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:05:31,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:05:31,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:05:31,296 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:05:31,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:05:31,355 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:05:31,542 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 12:05:31,555 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 12:05:31,555 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 12:05:31,556 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 12:05:31,556 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-16 12:05:31,556 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:05:31,556 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 12:05:31,556 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 12:05:31,557 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec4_product32.cil.c_Iteration1_Loop [2022-11-16 12:05:31,557 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 12:05:31,557 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 12:05:31,597 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:05:31,627 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:05:31,634 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:05:31,641 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:05:31,660 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:05:31,668 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:05:31,872 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 12:05:31,873 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-16 12:05:31,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:05:31,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcb220f-b0dc-44d5-9eff-c89fbcd2bd4d/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:05:31,911 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcb220f-b0dc-44d5-9eff-c89fbcd2bd4d/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:05:31,931 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-16 12:05:31,932 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 12:05:31,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcb220f-b0dc-44d5-9eff-c89fbcd2bd4d/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-16 12:05:31,970 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-16 12:05:31,971 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~__ste_client_autoResponse0~0=1, ULTIMATE.start_setClientAutoResponse_~value#1=1, ULTIMATE.start_setClientAutoResponse_#in~value#1=1} Honda state: {~__ste_client_autoResponse0~0=1, ULTIMATE.start_setClientAutoResponse_~value#1=1, ULTIMATE.start_setClientAutoResponse_#in~value#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-16 12:05:31,979 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcb220f-b0dc-44d5-9eff-c89fbcd2bd4d/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-16 12:05:31,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:05:31,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcb220f-b0dc-44d5-9eff-c89fbcd2bd4d/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:05:31,984 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcb220f-b0dc-44d5-9eff-c89fbcd2bd4d/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:05:31,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcb220f-b0dc-44d5-9eff-c89fbcd2bd4d/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-16 12:05:31,996 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-16 12:05:31,996 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 12:05:32,029 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-16 12:05:32,029 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_~tmp___8~0#1=-4, ULTIMATE.start_test_#t~nondet104#1=-4} Honda state: {ULTIMATE.start_test_~tmp___8~0#1=-4, ULTIMATE.start_test_#t~nondet104#1=-4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-16 12:05:32,040 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcb220f-b0dc-44d5-9eff-c89fbcd2bd4d/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-16 12:05:32,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:05:32,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcb220f-b0dc-44d5-9eff-c89fbcd2bd4d/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:05:32,043 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcb220f-b0dc-44d5-9eff-c89fbcd2bd4d/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:05:32,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcb220f-b0dc-44d5-9eff-c89fbcd2bd4d/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-16 12:05:32,055 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-16 12:05:32,056 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 12:05:32,105 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcb220f-b0dc-44d5-9eff-c89fbcd2bd4d/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-16 12:05:32,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:05:32,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcb220f-b0dc-44d5-9eff-c89fbcd2bd4d/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:05:32,109 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcb220f-b0dc-44d5-9eff-c89fbcd2bd4d/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:05:32,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcb220f-b0dc-44d5-9eff-c89fbcd2bd4d/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-16 12:05:32,120 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-16 12:05:32,121 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 12:05:32,149 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-16 12:05:32,159 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcb220f-b0dc-44d5-9eff-c89fbcd2bd4d/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-16 12:05:32,160 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 12:05:32,160 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 12:05:32,160 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 12:05:32,160 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 12:05:32,160 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-16 12:05:32,160 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:05:32,160 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 12:05:32,161 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 12:05:32,161 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec4_product32.cil.c_Iteration1_Loop [2022-11-16 12:05:32,161 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 12:05:32,161 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 12:05:32,163 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:05:32,171 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:05:32,178 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:05:32,184 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:05:32,199 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:05:32,208 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:05:32,358 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 12:05:32,364 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-16 12:05:32,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:05:32,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcb220f-b0dc-44d5-9eff-c89fbcd2bd4d/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:05:32,367 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcb220f-b0dc-44d5-9eff-c89fbcd2bd4d/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:05:32,373 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 [2022-11-16 12:05:32,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcb220f-b0dc-44d5-9eff-c89fbcd2bd4d/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-16 12:05:32,389 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:05:32,389 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:05:32,390 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:05:32,390 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-16 12:05:32,390 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:05:32,395 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-16 12:05:32,396 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:05:32,407 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:05:32,418 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcb220f-b0dc-44d5-9eff-c89fbcd2bd4d/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-16 12:05:32,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:05:32,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcb220f-b0dc-44d5-9eff-c89fbcd2bd4d/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:05:32,420 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcb220f-b0dc-44d5-9eff-c89fbcd2bd4d/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:05:32,433 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 [2022-11-16 12:05:32,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcb220f-b0dc-44d5-9eff-c89fbcd2bd4d/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-16 12:05:32,449 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:05:32,450 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:05:32,450 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:05:32,450 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:05:32,450 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:05:32,452 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:05:32,453 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:05:32,467 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-16 12:05:32,480 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-11-16 12:05:32,480 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-11-16 12:05:32,482 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:05:32,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcb220f-b0dc-44d5-9eff-c89fbcd2bd4d/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:05:32,491 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcb220f-b0dc-44d5-9eff-c89fbcd2bd4d/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:05:32,500 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-16 12:05:32,500 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-16 12:05:32,500 INFO L513 LassoAnalysis]: Proved termination. [2022-11-16 12:05:32,501 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op2~0#1) = -2*ULTIMATE.start_test_~op2~0#1 + 1 Supporting invariants [] [2022-11-16 12:05:32,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcb220f-b0dc-44d5-9eff-c89fbcd2bd4d/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-16 12:05:32,511 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcb220f-b0dc-44d5-9eff-c89fbcd2bd4d/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-16 12:05:32,514 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-16 12:05:32,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:05:32,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:32,690 INFO L263 TraceCheckSpWp]: Trace formula consists of 570 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-16 12:05:32,693 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:05:32,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:32,771 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-16 12:05:32,772 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:05:32,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:05:32,884 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-16 12:05:32,889 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 1176 states, 1175 states have (on average 1.686808510638298) internal successors, (1982), 1175 states have internal predecessors, (1982), 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 8.5) internal successors, (34), 4 states have internal predecessors, (34), 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) [2022-11-16 12:05:33,108 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcb220f-b0dc-44d5-9eff-c89fbcd2bd4d/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-16 12:05:33,403 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 1176 states, 1175 states have (on average 1.686808510638298) internal successors, (1982), 1175 states have internal predecessors, (1982), 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 8.5) internal successors, (34), 4 states have internal predecessors, (34), 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 5437 states and 9153 transitions. Complement of second has 7 states. [2022-11-16 12:05:33,406 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 [2022-11-16 12:05:33,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 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) [2022-11-16 12:05:33,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5333 transitions. [2022-11-16 12:05:33,434 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 5333 transitions. Stem has 25 letters. Loop has 9 letters. [2022-11-16 12:05:33,435 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:05:33,436 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 5333 transitions. Stem has 34 letters. Loop has 9 letters. [2022-11-16 12:05:33,436 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:05:33,436 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 5333 transitions. Stem has 25 letters. Loop has 18 letters. [2022-11-16 12:05:33,437 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:05:33,439 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 5437 states and 9153 transitions. [2022-11-16 12:05:33,538 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 521 [2022-11-16 12:05:33,553 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 5437 states to 1087 states and 1951 transitions. [2022-11-16 12:05:33,554 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 559 [2022-11-16 12:05:33,556 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 560 [2022-11-16 12:05:33,557 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1087 states and 1951 transitions. [2022-11-16 12:05:33,561 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-16 12:05:33,561 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1087 states and 1951 transitions. [2022-11-16 12:05:33,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1087 states and 1951 transitions. [2022-11-16 12:05:33,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1087 to 566. [2022-11-16 12:05:33,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 566 states, 566 states have (on average 1.784452296819788) internal successors, (1010), 565 states have internal predecessors, (1010), 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) [2022-11-16 12:05:33,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 566 states and 1010 transitions. [2022-11-16 12:05:33,630 INFO L240 hiAutomatonCegarLoop]: Abstraction has 566 states and 1010 transitions. [2022-11-16 12:05:33,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:05:33,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:05:33,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:05:33,635 INFO L87 Difference]: Start difference. First operand 566 states and 1010 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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) [2022-11-16 12:05:33,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:05:33,699 INFO L93 Difference]: Finished difference Result 1109 states and 1982 transitions. [2022-11-16 12:05:33,699 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1109 states and 1982 transitions. [2022-11-16 12:05:33,709 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 522 [2022-11-16 12:05:33,719 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1109 states to 1109 states and 1982 transitions. [2022-11-16 12:05:33,719 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 575 [2022-11-16 12:05:33,720 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 575 [2022-11-16 12:05:33,721 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1109 states and 1982 transitions. [2022-11-16 12:05:33,722 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-16 12:05:33,722 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1109 states and 1982 transitions. [2022-11-16 12:05:33,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1109 states and 1982 transitions. [2022-11-16 12:05:33,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1109 to 565. [2022-11-16 12:05:33,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 565 states, 565 states have (on average 1.7805309734513275) internal successors, (1006), 564 states have internal predecessors, (1006), 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) [2022-11-16 12:05:33,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 565 states and 1006 transitions. [2022-11-16 12:05:33,747 INFO L240 hiAutomatonCegarLoop]: Abstraction has 565 states and 1006 transitions. [2022-11-16 12:05:33,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:05:33,749 INFO L428 stractBuchiCegarLoop]: Abstraction has 565 states and 1006 transitions. [2022-11-16 12:05:33,749 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-16 12:05:33,749 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 565 states and 1006 transitions. [2022-11-16 12:05:33,753 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 261 [2022-11-16 12:05:33,754 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:05:33,754 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:05:33,755 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:05:33,756 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:05:33,756 INFO L748 eck$LassoCheckResult]: Stem: 8977#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(28, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(44, 4);call #Ultimate.allocInit(44, 5);call #Ultimate.allocInit(9, 6);call #Ultimate.allocInit(9, 7);call #Ultimate.allocInit(11, 8);call #Ultimate.allocInit(19, 9);call #Ultimate.allocInit(4, 10);call write~init~int(37, 10, 0, 1);call write~init~int(100, 10, 1, 1);call write~init~int(10, 10, 2, 1);call write~init~int(0, 10, 3, 1);call #Ultimate.allocInit(4, 11);call write~init~int(37, 11, 0, 1);call write~init~int(100, 11, 1, 1);call write~init~int(10, 11, 2, 1);call write~init~int(0, 11, 3, 1);call #Ultimate.allocInit(10, 12);call #Ultimate.allocInit(12, 13);call #Ultimate.allocInit(10, 14);call #Ultimate.allocInit(18, 15);call #Ultimate.allocInit(16, 16);call #Ultimate.allocInit(21, 17);call #Ultimate.allocInit(13, 18);call #Ultimate.allocInit(16, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(10, 21);call #Ultimate.allocInit(34, 22);call #Ultimate.allocInit(30, 23);call #Ultimate.allocInit(16, 24);call #Ultimate.allocInit(20, 25);call #Ultimate.allocInit(22, 26);call #Ultimate.allocInit(13, 27);call #Ultimate.allocInit(4, 28);call write~init~int(37, 28, 0, 1);call write~init~int(115, 28, 1, 1);call write~init~int(10, 28, 2, 1);call write~init~int(0, 28, 3, 1);call #Ultimate.allocInit(30, 29);call #Ultimate.allocInit(9, 30);call #Ultimate.allocInit(21, 31);call #Ultimate.allocInit(30, 32);call #Ultimate.allocInit(9, 33);call #Ultimate.allocInit(21, 34);call #Ultimate.allocInit(30, 35);call #Ultimate.allocInit(9, 36);call #Ultimate.allocInit(25, 37);call #Ultimate.allocInit(30, 38);call #Ultimate.allocInit(9, 39);call #Ultimate.allocInit(25, 40);~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.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_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~rjh~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_email_to1~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_encryptionKey0~0 := 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_email_from0~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_isEncrypted0~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~queued_client~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_counter~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User0~0 := 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_counter~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~queued_message~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~bob~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_signKey0~0 := 0;~chuck~0 := 0;~queue_empty~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__SELECTED_FEATURE_Base~0 := 0;~__ste_email_id0~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_client_idCounter2~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver0~0 := 0; 8928#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret15#1, main_~retValue_acc~19#1, main_~tmp~3#1;havoc main_~retValue_acc~19#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 8580#L85 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 8549#L78 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 8550#L93 main_#t~ret15#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret15#1;havoc main_#t~ret15#1; 8573#L1338 assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true;havoc setup_#t~nondet12#1, setup_#t~nondet13#1, setup_#t~nondet14#1, setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset, setup_~__cil_tmp2~0#1.base, setup_~__cil_tmp2~0#1.offset, setup_~__cil_tmp3~1#1.base, setup_~__cil_tmp3~1#1.offset;havoc setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset;havoc setup_~__cil_tmp2~0#1.base, setup_~__cil_tmp2~0#1.offset;havoc setup_~__cil_tmp3~1#1.base, setup_~__cil_tmp3~1#1.offset;~bob~0 := 1;assume { :begin_inline_setup_bob } true;setup_bob_#in~bob___0#1 := ~bob~0;havoc setup_bob_~bob___0#1;setup_bob_~bob___0#1 := setup_bob_#in~bob___0#1;assume { :begin_inline_setup_bob__wrappee__Base } true;setup_bob__wrappee__Base_#in~bob___0#1 := setup_bob_~bob___0#1;havoc setup_bob__wrappee__Base_~bob___0#1;setup_bob__wrappee__Base_~bob___0#1 := setup_bob__wrappee__Base_#in~bob___0#1;assume { :begin_inline_setClientId } true;setClientId_#in~handle#1, setClientId_#in~value#1 := setup_bob__wrappee__Base_~bob___0#1, setup_bob__wrappee__Base_~bob___0#1;havoc setClientId_~handle#1, setClientId_~value#1;setClientId_~handle#1 := setClientId_#in~handle#1;setClientId_~value#1 := setClientId_#in~value#1; 8945#L1161 assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 8643#L1167-2 assume { :end_inline_setClientId } true; 8644#L1215 assume { :end_inline_setup_bob__wrappee__Base } true;assume { :begin_inline_setClientPrivateKey } true;setClientPrivateKey_#in~handle#1, setClientPrivateKey_#in~value#1 := setup_bob_~bob___0#1, 123;havoc setClientPrivateKey_~handle#1, setClientPrivateKey_~value#1;setClientPrivateKey_~handle#1 := setClientPrivateKey_#in~handle#1;setClientPrivateKey_~value#1 := setClientPrivateKey_#in~value#1; 8694#L726 assume 1 == setClientPrivateKey_~handle#1;~__ste_client_privateKey0~0 := setClientPrivateKey_~value#1; 8910#L732-2 assume { :end_inline_setClientPrivateKey } true; 8692#L1226 assume { :end_inline_setup_bob } true;setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset := 6, 0;havoc setup_#t~nondet12#1;~rjh~0 := 2;assume { :begin_inline_setup_rjh } true;setup_rjh_#in~rjh___0#1 := ~rjh~0;havoc setup_rjh_~rjh___0#1;setup_rjh_~rjh___0#1 := setup_rjh_#in~rjh___0#1;assume { :begin_inline_setup_rjh__wrappee__Base } true;setup_rjh__wrappee__Base_#in~rjh___0#1 := setup_rjh_~rjh___0#1;havoc setup_rjh__wrappee__Base_~rjh___0#1;setup_rjh__wrappee__Base_~rjh___0#1 := setup_rjh__wrappee__Base_#in~rjh___0#1;assume { :begin_inline_setClientId } true;setClientId_#in~handle#1, setClientId_#in~value#1 := setup_rjh__wrappee__Base_~rjh___0#1, setup_rjh__wrappee__Base_~rjh___0#1;havoc setClientId_~handle#1, setClientId_~value#1;setClientId_~handle#1 := setClientId_#in~handle#1;setClientId_~value#1 := setClientId_#in~value#1; 8693#L1161-2 assume !(1 == setClientId_~handle#1); 8472#L1164-2 assume 2 == setClientId_~handle#1;~__ste_client_idCounter1~0 := setClientId_~value#1; 8473#L1167-5 assume { :end_inline_setClientId } true; 8943#L1236 assume { :end_inline_setup_rjh__wrappee__Base } true;assume { :begin_inline_setClientPrivateKey } true;setClientPrivateKey_#in~handle#1, setClientPrivateKey_#in~value#1 := setup_rjh_~rjh___0#1, 456;havoc setClientPrivateKey_~handle#1, setClientPrivateKey_~value#1;setClientPrivateKey_~handle#1 := setClientPrivateKey_#in~handle#1;setClientPrivateKey_~value#1 := setClientPrivateKey_#in~value#1; 8944#L726-2 assume 1 == setClientPrivateKey_~handle#1;~__ste_client_privateKey0~0 := setClientPrivateKey_~value#1; 8460#L732-5 assume { :end_inline_setClientPrivateKey } true; 8461#L1247 assume { :end_inline_setup_rjh } true;setup_~__cil_tmp2~0#1.base, setup_~__cil_tmp2~0#1.offset := 7, 0;havoc setup_#t~nondet13#1;~chuck~0 := 3;assume { :begin_inline_setup_chuck } true;setup_chuck_#in~chuck___0#1 := ~chuck~0;havoc setup_chuck_~chuck___0#1;setup_chuck_~chuck___0#1 := setup_chuck_#in~chuck___0#1;assume { :begin_inline_setup_chuck__wrappee__Base } true;setup_chuck__wrappee__Base_#in~chuck___0#1 := setup_chuck_~chuck___0#1;havoc setup_chuck__wrappee__Base_~chuck___0#1;setup_chuck__wrappee__Base_~chuck___0#1 := setup_chuck__wrappee__Base_#in~chuck___0#1;assume { :begin_inline_setClientId } true;setClientId_#in~handle#1, setClientId_#in~value#1 := setup_chuck__wrappee__Base_~chuck___0#1, setup_chuck__wrappee__Base_~chuck___0#1;havoc setClientId_~handle#1, setClientId_~value#1;setClientId_~handle#1 := setClientId_#in~handle#1;setClientId_~value#1 := setClientId_#in~value#1; 8677#L1161-4 assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 8621#L1167-8 assume { :end_inline_setClientId } true; 8622#L1257 assume { :end_inline_setup_chuck__wrappee__Base } true;assume { :begin_inline_setClientPrivateKey } true;setClientPrivateKey_#in~handle#1, setClientPrivateKey_#in~value#1 := setup_chuck_~chuck___0#1, 789;havoc setClientPrivateKey_~handle#1, setClientPrivateKey_~value#1;setClientPrivateKey_~handle#1 := setClientPrivateKey_#in~handle#1;setClientPrivateKey_~value#1 := setClientPrivateKey_#in~value#1; 8773#L726-4 assume 1 == setClientPrivateKey_~handle#1;~__ste_client_privateKey0~0 := setClientPrivateKey_~value#1; 8672#L732-8 assume { :end_inline_setClientPrivateKey } true; 8823#L1268 assume { :end_inline_setup_chuck } true;setup_~__cil_tmp3~1#1.base, setup_~__cil_tmp3~1#1.offset := 8, 0;havoc setup_#t~nondet14#1; 8964#L1325 assume { :end_inline_setup } true;assume { :begin_inline_test } true;havoc test_#t~nondet103#1, test_#t~nondet104#1, test_#t~nondet105#1, test_#t~nondet106#1, test_#t~nondet107#1, test_#t~nondet108#1, test_#t~nondet109#1, test_#t~nondet110#1, test_#t~nondet111#1, test_#t~nondet112#1, test_#t~nondet113#1, test_~op1~0#1, test_~op2~0#1, test_~op3~0#1, test_~op4~0#1, test_~op5~0#1, test_~op6~0#1, test_~op7~0#1, test_~op8~0#1, test_~op9~0#1, test_~op10~0#1, test_~op11~0#1, test_~splverifierCounter~0#1, test_~tmp~25#1, test_~tmp___0~10#1, test_~tmp___1~5#1, test_~tmp___2~4#1, test_~tmp___3~1#1, test_~tmp___4~1#1, test_~tmp___5~0#1, test_~tmp___6~0#1, test_~tmp___7~0#1, test_~tmp___8~0#1, test_~tmp___9~0#1;havoc test_~op1~0#1;havoc test_~op2~0#1;havoc test_~op3~0#1;havoc test_~op4~0#1;havoc test_~op5~0#1;havoc test_~op6~0#1;havoc test_~op7~0#1;havoc test_~op8~0#1;havoc test_~op9~0#1;havoc test_~op10~0#1;havoc test_~op11~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~25#1;havoc test_~tmp___0~10#1;havoc test_~tmp___1~5#1;havoc test_~tmp___2~4#1;havoc test_~tmp___3~1#1;havoc test_~tmp___4~1#1;havoc test_~tmp___5~0#1;havoc test_~tmp___6~0#1;havoc test_~tmp___7~0#1;havoc test_~tmp___8~0#1;havoc test_~tmp___9~0#1;test_~op1~0#1 := 0;test_~op2~0#1 := 0;test_~op3~0#1 := 0;test_~op4~0#1 := 0;test_~op5~0#1 := 0;test_~op6~0#1 := 0;test_~op7~0#1 := 0;test_~op8~0#1 := 0;test_~op9~0#1 := 0;test_~op10~0#1 := 0;test_~op11~0#1 := 0;test_~splverifierCounter~0#1 := 0; 8979#L2645-1 assume !false; 8675#L2497 [2022-11-16 12:05:33,757 INFO L750 eck$LassoCheckResult]: Loop: 8675#L2497 assume test_~splverifierCounter~0#1 < 4; 8955#L2498 test_~splverifierCounter~0#1 := 1 + test_~splverifierCounter~0#1; 8763#L2504 assume !(0 == test_~op1~0#1); 8576#L2517 assume !(0 == test_~op2~0#1); 8539#L2531 assume 0 == test_~op3~0#1;test_~tmp___7~0#1 := test_#t~nondet105#1;havoc test_#t~nondet105#1; 8896#L2536 assume 0 != test_~tmp___7~0#1;assume { :begin_inline_rjhDeletePrivateKey } true;assume { :begin_inline_setClientPrivateKey } true;setClientPrivateKey_#in~handle#1, setClientPrivateKey_#in~value#1 := ~rjh~0, 0;havoc setClientPrivateKey_~handle#1, setClientPrivateKey_~value#1;setClientPrivateKey_~handle#1 := setClientPrivateKey_#in~handle#1;setClientPrivateKey_~value#1 := setClientPrivateKey_#in~value#1; 8627#L726-6 assume 1 == setClientPrivateKey_~handle#1;~__ste_client_privateKey0~0 := setClientPrivateKey_~value#1; 8547#L732-11 assume { :end_inline_setClientPrivateKey } true; 8480#L1438 assume { :end_inline_rjhDeletePrivateKey } true;test_~op3~0#1 := 1; 8462#L2645-1 assume !false; 8675#L2497 [2022-11-16 12:05:33,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:05:33,757 INFO L85 PathProgramCache]: Analyzing trace with hash -1808936504, now seen corresponding path program 1 times [2022-11-16 12:05:33,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:05:33,758 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404593475] [2022-11-16 12:05:33,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:05:33,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:05:33,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:34,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:05:34,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:05:34,082 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404593475] [2022-11-16 12:05:34,082 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [404593475] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:05:34,082 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:05:34,083 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 12:05:34,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019528742] [2022-11-16 12:05:34,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:05:34,084 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-16 12:05:34,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:05:34,085 INFO L85 PathProgramCache]: Analyzing trace with hash -88063911, now seen corresponding path program 1 times [2022-11-16 12:05:34,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:05:34,086 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832480862] [2022-11-16 12:05:34,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:05:34,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:05:34,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:05:34,097 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:05:34,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:05:34,118 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:05:34,264 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 12:05:34,264 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 12:05:34,264 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 12:05:34,265 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 12:05:34,265 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-16 12:05:34,265 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:05:34,265 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 12:05:34,265 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 12:05:34,266 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec4_product32.cil.c_Iteration2_Loop [2022-11-16 12:05:34,266 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 12:05:34,266 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 12:05:34,278 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:05:34,284 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:05:34,291 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:05:34,300 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:05:34,308 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:05:34,315 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:05:34,318 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:05:34,481 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 12:05:34,481 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-16 12:05:34,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:05:34,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcb220f-b0dc-44d5-9eff-c89fbcd2bd4d/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:05:34,484 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcb220f-b0dc-44d5-9eff-c89fbcd2bd4d/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:05:34,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcb220f-b0dc-44d5-9eff-c89fbcd2bd4d/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-16 12:05:34,501 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-16 12:05:34,501 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 12:05:34,528 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-16 12:05:34,528 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_~op2~0#1=4} Honda state: {ULTIMATE.start_test_~op2~0#1=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-16 12:05:34,538 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcb220f-b0dc-44d5-9eff-c89fbcd2bd4d/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-16 12:05:34,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:05:34,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcb220f-b0dc-44d5-9eff-c89fbcd2bd4d/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:05:34,541 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcb220f-b0dc-44d5-9eff-c89fbcd2bd4d/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:05:34,553 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-16 12:05:34,553 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 12:05:34,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcb220f-b0dc-44d5-9eff-c89fbcd2bd4d/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-16 12:05:34,585 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcb220f-b0dc-44d5-9eff-c89fbcd2bd4d/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-16 12:05:34,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:05:34,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcb220f-b0dc-44d5-9eff-c89fbcd2bd4d/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:05:34,587 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcb220f-b0dc-44d5-9eff-c89fbcd2bd4d/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:05:34,602 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-16 12:05:34,602 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 12:05:34,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcb220f-b0dc-44d5-9eff-c89fbcd2bd4d/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-16 12:05:34,633 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-16 12:05:34,639 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcb220f-b0dc-44d5-9eff-c89fbcd2bd4d/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-16 12:05:34,640 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 12:05:34,640 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 12:05:34,640 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 12:05:34,640 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 12:05:34,640 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-16 12:05:34,640 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:05:34,640 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 12:05:34,640 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 12:05:34,640 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec4_product32.cil.c_Iteration2_Loop [2022-11-16 12:05:34,641 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 12:05:34,641 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 12:05:34,642 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:05:34,647 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:05:34,653 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:05:34,662 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:05:34,670 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:05:34,678 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:05:34,682 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:05:34,850 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 12:05:34,850 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-16 12:05:34,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:05:34,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcb220f-b0dc-44d5-9eff-c89fbcd2bd4d/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:05:34,856 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcb220f-b0dc-44d5-9eff-c89fbcd2bd4d/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:05:34,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcb220f-b0dc-44d5-9eff-c89fbcd2bd4d/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-16 12:05:34,865 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 [2022-11-16 12:05:34,879 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:05:34,879 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:05:34,880 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:05:34,880 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-16 12:05:34,880 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:05:34,881 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-16 12:05:34,881 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:05:34,891 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:05:34,901 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcb220f-b0dc-44d5-9eff-c89fbcd2bd4d/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-16 12:05:34,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:05:34,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcb220f-b0dc-44d5-9eff-c89fbcd2bd4d/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:05:34,903 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcb220f-b0dc-44d5-9eff-c89fbcd2bd4d/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:05:34,916 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 [2022-11-16 12:05:34,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcb220f-b0dc-44d5-9eff-c89fbcd2bd4d/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-16 12:05:34,931 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:05:34,931 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:05:34,931 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:05:34,932 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:05:34,932 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:05:34,934 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:05:34,935 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:05:34,951 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-16 12:05:34,955 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-11-16 12:05:34,955 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-11-16 12:05:34,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:05:34,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcb220f-b0dc-44d5-9eff-c89fbcd2bd4d/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:05:34,957 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcb220f-b0dc-44d5-9eff-c89fbcd2bd4d/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:05:34,964 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-16 12:05:34,964 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-16 12:05:34,965 INFO L513 LassoAnalysis]: Proved termination. [2022-11-16 12:05:34,965 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op3~0#1) = -2*ULTIMATE.start_test_~op3~0#1 + 1 Supporting invariants [] [2022-11-16 12:05:34,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcb220f-b0dc-44d5-9eff-c89fbcd2bd4d/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-16 12:05:34,982 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcb220f-b0dc-44d5-9eff-c89fbcd2bd4d/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-16 12:05:34,983 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-16 12:05:35,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:05:35,139 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcb220f-b0dc-44d5-9eff-c89fbcd2bd4d/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2022-11-16 12:05:35,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:35,189 INFO L263 TraceCheckSpWp]: Trace formula consists of 572 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-16 12:05:35,191 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:05:35,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:35,304 INFO L263 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-16 12:05:35,305 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:05:35,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:05:35,379 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2022-11-16 12:05:35,379 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 565 states and 1006 transitions. cyclomatic complexity: 443 Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 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) [2022-11-16 12:05:35,478 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 565 states and 1006 transitions. cyclomatic complexity: 443. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 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 2133 states and 3835 transitions. Complement of second has 6 states. [2022-11-16 12:05:35,478 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 [2022-11-16 12:05:35,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 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) [2022-11-16 12:05:35,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1004 transitions. [2022-11-16 12:05:35,481 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 1004 transitions. Stem has 27 letters. Loop has 10 letters. [2022-11-16 12:05:35,482 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:05:35,482 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 1004 transitions. Stem has 37 letters. Loop has 10 letters. [2022-11-16 12:05:35,482 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:05:35,482 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 1004 transitions. Stem has 27 letters. Loop has 20 letters. [2022-11-16 12:05:35,483 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:05:35,483 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2133 states and 3835 transitions. [2022-11-16 12:05:35,500 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 511 [2022-11-16 12:05:35,517 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2133 states to 2123 states and 3819 transitions. [2022-11-16 12:05:35,517 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 551 [2022-11-16 12:05:35,518 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 553 [2022-11-16 12:05:35,518 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2123 states and 3819 transitions. [2022-11-16 12:05:35,519 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-16 12:05:35,519 INFO L218 hiAutomatonCegarLoop]: Abstraction has 2123 states and 3819 transitions. [2022-11-16 12:05:35,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2123 states and 3819 transitions. [2022-11-16 12:05:35,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2123 to 1088. [2022-11-16 12:05:35,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1088 states, 1088 states have (on average 1.7922794117647058) internal successors, (1950), 1087 states have internal predecessors, (1950), 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) [2022-11-16 12:05:35,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1088 states to 1088 states and 1950 transitions. [2022-11-16 12:05:35,550 INFO L240 hiAutomatonCegarLoop]: Abstraction has 1088 states and 1950 transitions. [2022-11-16 12:05:35,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:05:35,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 12:05:35,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 12:05:35,551 INFO L87 Difference]: Start difference. First operand 1088 states and 1950 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 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) [2022-11-16 12:05:35,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:05:35,732 INFO L93 Difference]: Finished difference Result 2119 states and 3797 transitions. [2022-11-16 12:05:35,732 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2119 states and 3797 transitions. [2022-11-16 12:05:35,748 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 506 [2022-11-16 12:05:35,763 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2119 states to 2119 states and 3797 transitions. [2022-11-16 12:05:35,763 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 557 [2022-11-16 12:05:35,764 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 557 [2022-11-16 12:05:35,765 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2119 states and 3797 transitions. [2022-11-16 12:05:35,765 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-16 12:05:35,765 INFO L218 hiAutomatonCegarLoop]: Abstraction has 2119 states and 3797 transitions. [2022-11-16 12:05:35,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2119 states and 3797 transitions. [2022-11-16 12:05:35,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2119 to 1088. [2022-11-16 12:05:35,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1088 states, 1088 states have (on average 1.791360294117647) internal successors, (1949), 1087 states have internal predecessors, (1949), 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) [2022-11-16 12:05:35,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1088 states to 1088 states and 1949 transitions. [2022-11-16 12:05:35,794 INFO L240 hiAutomatonCegarLoop]: Abstraction has 1088 states and 1949 transitions. [2022-11-16 12:05:35,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 12:05:35,796 INFO L428 stractBuchiCegarLoop]: Abstraction has 1088 states and 1949 transitions. [2022-11-16 12:05:35,796 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-16 12:05:35,796 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1088 states and 1949 transitions. [2022-11-16 12:05:35,802 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 256 [2022-11-16 12:05:35,803 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:05:35,803 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:05:35,804 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:05:35,804 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:05:35,804 INFO L748 eck$LassoCheckResult]: Stem: 15038#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(28, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(44, 4);call #Ultimate.allocInit(44, 5);call #Ultimate.allocInit(9, 6);call #Ultimate.allocInit(9, 7);call #Ultimate.allocInit(11, 8);call #Ultimate.allocInit(19, 9);call #Ultimate.allocInit(4, 10);call write~init~int(37, 10, 0, 1);call write~init~int(100, 10, 1, 1);call write~init~int(10, 10, 2, 1);call write~init~int(0, 10, 3, 1);call #Ultimate.allocInit(4, 11);call write~init~int(37, 11, 0, 1);call write~init~int(100, 11, 1, 1);call write~init~int(10, 11, 2, 1);call write~init~int(0, 11, 3, 1);call #Ultimate.allocInit(10, 12);call #Ultimate.allocInit(12, 13);call #Ultimate.allocInit(10, 14);call #Ultimate.allocInit(18, 15);call #Ultimate.allocInit(16, 16);call #Ultimate.allocInit(21, 17);call #Ultimate.allocInit(13, 18);call #Ultimate.allocInit(16, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(10, 21);call #Ultimate.allocInit(34, 22);call #Ultimate.allocInit(30, 23);call #Ultimate.allocInit(16, 24);call #Ultimate.allocInit(20, 25);call #Ultimate.allocInit(22, 26);call #Ultimate.allocInit(13, 27);call #Ultimate.allocInit(4, 28);call write~init~int(37, 28, 0, 1);call write~init~int(115, 28, 1, 1);call write~init~int(10, 28, 2, 1);call write~init~int(0, 28, 3, 1);call #Ultimate.allocInit(30, 29);call #Ultimate.allocInit(9, 30);call #Ultimate.allocInit(21, 31);call #Ultimate.allocInit(30, 32);call #Ultimate.allocInit(9, 33);call #Ultimate.allocInit(21, 34);call #Ultimate.allocInit(30, 35);call #Ultimate.allocInit(9, 36);call #Ultimate.allocInit(25, 37);call #Ultimate.allocInit(30, 38);call #Ultimate.allocInit(9, 39);call #Ultimate.allocInit(25, 40);~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.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_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~rjh~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_email_to1~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_encryptionKey0~0 := 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_email_from0~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_isEncrypted0~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~queued_client~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_counter~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User0~0 := 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_counter~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~queued_message~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~bob~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_signKey0~0 := 0;~chuck~0 := 0;~queue_empty~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__SELECTED_FEATURE_Base~0 := 0;~__ste_email_id0~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_client_idCounter2~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver0~0 := 0; 14981#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret15#1, main_~retValue_acc~19#1, main_~tmp~3#1;havoc main_~retValue_acc~19#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 14628#L85 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 14597#L78 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 14598#L93 main_#t~ret15#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret15#1;havoc main_#t~ret15#1; 14621#L1338 assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true;havoc setup_#t~nondet12#1, setup_#t~nondet13#1, setup_#t~nondet14#1, setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset, setup_~__cil_tmp2~0#1.base, setup_~__cil_tmp2~0#1.offset, setup_~__cil_tmp3~1#1.base, setup_~__cil_tmp3~1#1.offset;havoc setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset;havoc setup_~__cil_tmp2~0#1.base, setup_~__cil_tmp2~0#1.offset;havoc setup_~__cil_tmp3~1#1.base, setup_~__cil_tmp3~1#1.offset;~bob~0 := 1;assume { :begin_inline_setup_bob } true;setup_bob_#in~bob___0#1 := ~bob~0;havoc setup_bob_~bob___0#1;setup_bob_~bob___0#1 := setup_bob_#in~bob___0#1;assume { :begin_inline_setup_bob__wrappee__Base } true;setup_bob__wrappee__Base_#in~bob___0#1 := setup_bob_~bob___0#1;havoc setup_bob__wrappee__Base_~bob___0#1;setup_bob__wrappee__Base_~bob___0#1 := setup_bob__wrappee__Base_#in~bob___0#1;assume { :begin_inline_setClientId } true;setClientId_#in~handle#1, setClientId_#in~value#1 := setup_bob__wrappee__Base_~bob___0#1, setup_bob__wrappee__Base_~bob___0#1;havoc setClientId_~handle#1, setClientId_~value#1;setClientId_~handle#1 := setClientId_#in~handle#1;setClientId_~value#1 := setClientId_#in~value#1; 15000#L1161 assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 14691#L1167-2 assume { :end_inline_setClientId } true; 14692#L1215 assume { :end_inline_setup_bob__wrappee__Base } true;assume { :begin_inline_setClientPrivateKey } true;setClientPrivateKey_#in~handle#1, setClientPrivateKey_#in~value#1 := setup_bob_~bob___0#1, 123;havoc setClientPrivateKey_~handle#1, setClientPrivateKey_~value#1;setClientPrivateKey_~handle#1 := setClientPrivateKey_#in~handle#1;setClientPrivateKey_~value#1 := setClientPrivateKey_#in~value#1; 14742#L726 assume 1 == setClientPrivateKey_~handle#1;~__ste_client_privateKey0~0 := setClientPrivateKey_~value#1; 14963#L732-2 assume { :end_inline_setClientPrivateKey } true; 14734#L1226 assume { :end_inline_setup_bob } true;setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset := 6, 0;havoc setup_#t~nondet12#1;~rjh~0 := 2;assume { :begin_inline_setup_rjh } true;setup_rjh_#in~rjh___0#1 := ~rjh~0;havoc setup_rjh_~rjh___0#1;setup_rjh_~rjh___0#1 := setup_rjh_#in~rjh___0#1;assume { :begin_inline_setup_rjh__wrappee__Base } true;setup_rjh__wrappee__Base_#in~rjh___0#1 := setup_rjh_~rjh___0#1;havoc setup_rjh__wrappee__Base_~rjh___0#1;setup_rjh__wrappee__Base_~rjh___0#1 := setup_rjh__wrappee__Base_#in~rjh___0#1;assume { :begin_inline_setClientId } true;setClientId_#in~handle#1, setClientId_#in~value#1 := setup_rjh__wrappee__Base_~rjh___0#1, setup_rjh__wrappee__Base_~rjh___0#1;havoc setClientId_~handle#1, setClientId_~value#1;setClientId_~handle#1 := setClientId_#in~handle#1;setClientId_~value#1 := setClientId_#in~value#1; 14735#L1161-2 assume !(1 == setClientId_~handle#1); 14521#L1164-2 assume 2 == setClientId_~handle#1;~__ste_client_idCounter1~0 := setClientId_~value#1; 14522#L1167-5 assume { :end_inline_setClientId } true; 14998#L1236 assume { :end_inline_setup_rjh__wrappee__Base } true;assume { :begin_inline_setClientPrivateKey } true;setClientPrivateKey_#in~handle#1, setClientPrivateKey_#in~value#1 := setup_rjh_~rjh___0#1, 456;havoc setClientPrivateKey_~handle#1, setClientPrivateKey_~value#1;setClientPrivateKey_~handle#1 := setClientPrivateKey_#in~handle#1;setClientPrivateKey_~value#1 := setClientPrivateKey_#in~value#1; 14999#L726-2 assume !(1 == setClientPrivateKey_~handle#1); 14793#L729-2 assume 2 == setClientPrivateKey_~handle#1;~__ste_client_privateKey1~0 := setClientPrivateKey_~value#1; 14507#L732-5 assume { :end_inline_setClientPrivateKey } true; 14508#L1247 assume { :end_inline_setup_rjh } true;setup_~__cil_tmp2~0#1.base, setup_~__cil_tmp2~0#1.offset := 7, 0;havoc setup_#t~nondet13#1;~chuck~0 := 3;assume { :begin_inline_setup_chuck } true;setup_chuck_#in~chuck___0#1 := ~chuck~0;havoc setup_chuck_~chuck___0#1;setup_chuck_~chuck___0#1 := setup_chuck_#in~chuck___0#1;assume { :begin_inline_setup_chuck__wrappee__Base } true;setup_chuck__wrappee__Base_#in~chuck___0#1 := setup_chuck_~chuck___0#1;havoc setup_chuck__wrappee__Base_~chuck___0#1;setup_chuck__wrappee__Base_~chuck___0#1 := setup_chuck__wrappee__Base_#in~chuck___0#1;assume { :begin_inline_setClientId } true;setClientId_#in~handle#1, setClientId_#in~value#1 := setup_chuck__wrappee__Base_~chuck___0#1, setup_chuck__wrappee__Base_~chuck___0#1;havoc setClientId_~handle#1, setClientId_~value#1;setClientId_~handle#1 := setClientId_#in~handle#1;setClientId_~value#1 := setClientId_#in~value#1; 14725#L1161-4 assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 14670#L1167-8 assume { :end_inline_setClientId } true; 14671#L1257 assume { :end_inline_setup_chuck__wrappee__Base } true;assume { :begin_inline_setClientPrivateKey } true;setClientPrivateKey_#in~handle#1, setClientPrivateKey_#in~value#1 := setup_chuck_~chuck___0#1, 789;havoc setClientPrivateKey_~handle#1, setClientPrivateKey_~value#1;setClientPrivateKey_~handle#1 := setClientPrivateKey_#in~handle#1;setClientPrivateKey_~value#1 := setClientPrivateKey_#in~value#1; 14822#L726-4 assume 1 == setClientPrivateKey_~handle#1;~__ste_client_privateKey0~0 := setClientPrivateKey_~value#1; 14720#L732-8 assume { :end_inline_setClientPrivateKey } true; 14873#L1268 assume { :end_inline_setup_chuck } true;setup_~__cil_tmp3~1#1.base, setup_~__cil_tmp3~1#1.offset := 8, 0;havoc setup_#t~nondet14#1; 15020#L1325 assume { :end_inline_setup } true;assume { :begin_inline_test } true;havoc test_#t~nondet103#1, test_#t~nondet104#1, test_#t~nondet105#1, test_#t~nondet106#1, test_#t~nondet107#1, test_#t~nondet108#1, test_#t~nondet109#1, test_#t~nondet110#1, test_#t~nondet111#1, test_#t~nondet112#1, test_#t~nondet113#1, test_~op1~0#1, test_~op2~0#1, test_~op3~0#1, test_~op4~0#1, test_~op5~0#1, test_~op6~0#1, test_~op7~0#1, test_~op8~0#1, test_~op9~0#1, test_~op10~0#1, test_~op11~0#1, test_~splverifierCounter~0#1, test_~tmp~25#1, test_~tmp___0~10#1, test_~tmp___1~5#1, test_~tmp___2~4#1, test_~tmp___3~1#1, test_~tmp___4~1#1, test_~tmp___5~0#1, test_~tmp___6~0#1, test_~tmp___7~0#1, test_~tmp___8~0#1, test_~tmp___9~0#1;havoc test_~op1~0#1;havoc test_~op2~0#1;havoc test_~op3~0#1;havoc test_~op4~0#1;havoc test_~op5~0#1;havoc test_~op6~0#1;havoc test_~op7~0#1;havoc test_~op8~0#1;havoc test_~op9~0#1;havoc test_~op10~0#1;havoc test_~op11~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~25#1;havoc test_~tmp___0~10#1;havoc test_~tmp___1~5#1;havoc test_~tmp___2~4#1;havoc test_~tmp___3~1#1;havoc test_~tmp___4~1#1;havoc test_~tmp___5~0#1;havoc test_~tmp___6~0#1;havoc test_~tmp___7~0#1;havoc test_~tmp___8~0#1;havoc test_~tmp___9~0#1;test_~op1~0#1 := 0;test_~op2~0#1 := 0;test_~op3~0#1 := 0;test_~op4~0#1 := 0;test_~op5~0#1 := 0;test_~op6~0#1 := 0;test_~op7~0#1 := 0;test_~op8~0#1 := 0;test_~op9~0#1 := 0;test_~op10~0#1 := 0;test_~op11~0#1 := 0;test_~splverifierCounter~0#1 := 0; 15041#L2645-1 assume !false; 15069#L2497 assume test_~splverifierCounter~0#1 < 4; 15010#L2498 [2022-11-16 12:05:35,805 INFO L750 eck$LassoCheckResult]: Loop: 15010#L2498 test_~splverifierCounter~0#1 := 1 + test_~splverifierCounter~0#1; 14811#L2504 assume !(0 == test_~op1~0#1); 14624#L2517 assume !(0 == test_~op2~0#1); 14588#L2531 assume !(0 == test_~op3~0#1); 14946#L2545 assume !(0 == test_~op4~0#1); 14503#L2559 assume !(0 == test_~op5~0#1); 14463#L2573 assume 0 == test_~op6~0#1;test_~tmp___4~1#1 := test_#t~nondet108#1;havoc test_#t~nondet108#1; 14464#L2578 assume 0 != test_~tmp___4~1#1;test_~op6~0#1 := 1; 14509#L2645-1 assume !false; 14723#L2497 assume test_~splverifierCounter~0#1 < 4; 15010#L2498 [2022-11-16 12:05:35,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:05:35,805 INFO L85 PathProgramCache]: Analyzing trace with hash -1857881969, now seen corresponding path program 1 times [2022-11-16 12:05:35,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:05:35,806 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137436939] [2022-11-16 12:05:35,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:05:35,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:05:35,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:35,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:05:35,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:05:35,923 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137436939] [2022-11-16 12:05:35,923 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [137436939] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:05:35,923 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:05:35,923 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 12:05:35,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722660282] [2022-11-16 12:05:35,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:05:35,924 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-16 12:05:35,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:05:35,925 INFO L85 PathProgramCache]: Analyzing trace with hash 347519073, now seen corresponding path program 1 times [2022-11-16 12:05:35,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:05:35,925 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312901225] [2022-11-16 12:05:35,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:05:35,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:05:35,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:05:35,944 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:05:35,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:05:35,961 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:05:36,067 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 12:05:36,067 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 12:05:36,067 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 12:05:36,067 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 12:05:36,068 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-16 12:05:36,068 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:05:36,069 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 12:05:36,069 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 12:05:36,069 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec4_product32.cil.c_Iteration3_Loop [2022-11-16 12:05:36,070 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 12:05:36,070 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 12:05:36,072 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:05:36,075 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:05:36,082 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:05:36,088 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:05:36,096 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:05:36,100 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:05:36,104 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:05:36,110 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:05:36,232 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 12:05:36,232 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-16 12:05:36,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:05:36,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcb220f-b0dc-44d5-9eff-c89fbcd2bd4d/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:05:36,234 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcb220f-b0dc-44d5-9eff-c89fbcd2bd4d/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:05:36,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcb220f-b0dc-44d5-9eff-c89fbcd2bd4d/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-16 12:05:36,241 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-16 12:05:36,241 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 12:05:36,269 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-16 12:05:36,269 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_~op3~0#1=-1} Honda state: {ULTIMATE.start_test_~op3~0#1=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-16 12:05:36,283 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcb220f-b0dc-44d5-9eff-c89fbcd2bd4d/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-11-16 12:05:36,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:05:36,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcb220f-b0dc-44d5-9eff-c89fbcd2bd4d/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:05:36,285 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcb220f-b0dc-44d5-9eff-c89fbcd2bd4d/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:05:36,292 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-16 12:05:36,292 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 12:05:36,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcb220f-b0dc-44d5-9eff-c89fbcd2bd4d/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-16 12:05:36,327 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcb220f-b0dc-44d5-9eff-c89fbcd2bd4d/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-11-16 12:05:36,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:05:36,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcb220f-b0dc-44d5-9eff-c89fbcd2bd4d/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:05:36,329 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcb220f-b0dc-44d5-9eff-c89fbcd2bd4d/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:05:36,341 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-16 12:05:36,341 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 12:05:36,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcb220f-b0dc-44d5-9eff-c89fbcd2bd4d/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-16 12:05:36,483 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-16 12:05:36,494 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcb220f-b0dc-44d5-9eff-c89fbcd2bd4d/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-11-16 12:05:36,495 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 12:05:36,495 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 12:05:36,495 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 12:05:36,495 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 12:05:36,495 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-16 12:05:36,495 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:05:36,496 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 12:05:36,496 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 12:05:36,496 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec4_product32.cil.c_Iteration3_Loop [2022-11-16 12:05:36,496 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 12:05:36,496 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 12:05:36,497 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:05:36,502 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:05:36,509 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:05:36,517 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:05:36,521 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:05:36,526 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:05:36,530 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:05:36,534 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:05:36,660 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 12:05:36,661 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-16 12:05:36,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:05:36,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcb220f-b0dc-44d5-9eff-c89fbcd2bd4d/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:05:36,662 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcb220f-b0dc-44d5-9eff-c89fbcd2bd4d/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:05:36,668 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 [2022-11-16 12:05:36,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcb220f-b0dc-44d5-9eff-c89fbcd2bd4d/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-11-16 12:05:36,684 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:05:36,684 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:05:36,684 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:05:36,684 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-16 12:05:36,685 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:05:36,689 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-16 12:05:36,689 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:05:36,707 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:05:36,721 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcb220f-b0dc-44d5-9eff-c89fbcd2bd4d/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-11-16 12:05:36,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:05:36,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcb220f-b0dc-44d5-9eff-c89fbcd2bd4d/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:05:36,723 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcb220f-b0dc-44d5-9eff-c89fbcd2bd4d/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:05:36,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcb220f-b0dc-44d5-9eff-c89fbcd2bd4d/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-11-16 12:05:36,732 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 [2022-11-16 12:05:36,749 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:05:36,749 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:05:36,749 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:05:36,749 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:05:36,750 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:05:36,753 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:05:36,753 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:05:36,767 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-16 12:05:36,780 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-11-16 12:05:36,780 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-11-16 12:05:36,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:05:36,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcb220f-b0dc-44d5-9eff-c89fbcd2bd4d/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:05:36,782 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcb220f-b0dc-44d5-9eff-c89fbcd2bd4d/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:05:36,795 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-16 12:05:36,795 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-16 12:05:36,795 INFO L513 LassoAnalysis]: Proved termination. [2022-11-16 12:05:36,795 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0#1) = -2*ULTIMATE.start_test_~splverifierCounter~0#1 + 5 Supporting invariants [] [2022-11-16 12:05:36,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcb220f-b0dc-44d5-9eff-c89fbcd2bd4d/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-11-16 12:05:36,805 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcb220f-b0dc-44d5-9eff-c89fbcd2bd4d/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-11-16 12:05:36,806 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-16 12:05:36,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:05:36,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:36,945 INFO L263 TraceCheckSpWp]: Trace formula consists of 574 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-16 12:05:36,947 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:05:37,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:37,023 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-16 12:05:37,025 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:05:37,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:05:37,065 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-16 12:05:37,065 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1088 states and 1949 transitions. cyclomatic complexity: 865 Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 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) [2022-11-16 12:05:37,138 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1088 states and 1949 transitions. cyclomatic complexity: 865. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 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 2398 states and 4316 transitions. Complement of second has 4 states. [2022-11-16 12:05:37,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-16 12:05:37,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 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) [2022-11-16 12:05:37,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 532 transitions. [2022-11-16 12:05:37,143 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 532 transitions. Stem has 29 letters. Loop has 10 letters. [2022-11-16 12:05:37,144 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:05:37,144 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 532 transitions. Stem has 39 letters. Loop has 10 letters. [2022-11-16 12:05:37,145 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:05:37,145 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 532 transitions. Stem has 29 letters. Loop has 20 letters. [2022-11-16 12:05:37,146 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:05:37,146 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2398 states and 4316 transitions. [2022-11-16 12:05:37,168 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-16 12:05:37,168 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2398 states to 0 states and 0 transitions. [2022-11-16 12:05:37,168 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-16 12:05:37,169 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-16 12:05:37,169 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-16 12:05:37,169 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:05:37,170 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 12:05:37,170 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 12:05:37,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:05:37,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:05:37,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:05:37,172 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 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) [2022-11-16 12:05:37,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:05:37,172 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2022-11-16 12:05:37,172 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2022-11-16 12:05:37,172 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-16 12:05:37,172 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2022-11-16 12:05:37,173 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-16 12:05:37,173 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-16 12:05:37,173 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-16 12:05:37,173 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:05:37,173 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 12:05:37,173 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 12:05:37,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 12:05:37,175 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 12:05:37,175 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-11-16 12:05:37,175 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-16 12:05:37,176 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-16 12:05:37,176 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-16 12:05:37,193 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 16.11 12:05:37 BoogieIcfgContainer [2022-11-16 12:05:37,193 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-16 12:05:37,194 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 12:05:37,194 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 12:05:37,194 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 12:05:37,195 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:05:30" (3/4) ... [2022-11-16 12:05:37,199 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-16 12:05:37,199 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 12:05:37,200 INFO L158 Benchmark]: Toolchain (without parser) took 12390.92ms. Allocated memory was 142.6MB in the beginning and 266.3MB in the end (delta: 123.7MB). Free memory was 103.2MB in the beginning and 131.8MB in the end (delta: -28.6MB). Peak memory consumption was 96.2MB. Max. memory is 16.1GB. [2022-11-16 12:05:37,200 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory is still 122.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:05:37,202 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1271.51ms. Allocated memory is still 142.6MB. Free memory was 103.0MB in the beginning and 90.2MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-16 12:05:37,203 INFO L158 Benchmark]: Boogie Procedure Inliner took 308.53ms. Allocated memory is still 142.6MB. Free memory was 90.2MB in the beginning and 72.3MB in the end (delta: 17.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-16 12:05:37,212 INFO L158 Benchmark]: Boogie Preprocessor took 228.13ms. Allocated memory is still 142.6MB. Free memory was 72.3MB in the beginning and 58.0MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-16 12:05:37,213 INFO L158 Benchmark]: RCFGBuilder took 3614.03ms. Allocated memory was 142.6MB in the beginning and 207.6MB in the end (delta: 65.0MB). Free memory was 57.6MB in the beginning and 127.5MB in the end (delta: -70.0MB). Peak memory consumption was 42.1MB. Max. memory is 16.1GB. [2022-11-16 12:05:37,213 INFO L158 Benchmark]: BuchiAutomizer took 6951.62ms. Allocated memory was 207.6MB in the beginning and 266.3MB in the end (delta: 58.7MB). Free memory was 127.5MB in the beginning and 132.9MB in the end (delta: -5.3MB). Peak memory consumption was 53.4MB. Max. memory is 16.1GB. [2022-11-16 12:05:37,213 INFO L158 Benchmark]: Witness Printer took 5.29ms. Allocated memory is still 266.3MB. Free memory was 132.9MB in the beginning and 131.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 12:05:37,216 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory is still 122.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1271.51ms. Allocated memory is still 142.6MB. Free memory was 103.0MB in the beginning and 90.2MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 308.53ms. Allocated memory is still 142.6MB. Free memory was 90.2MB in the beginning and 72.3MB in the end (delta: 17.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 228.13ms. Allocated memory is still 142.6MB. Free memory was 72.3MB in the beginning and 58.0MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * RCFGBuilder took 3614.03ms. Allocated memory was 142.6MB in the beginning and 207.6MB in the end (delta: 65.0MB). Free memory was 57.6MB in the beginning and 127.5MB in the end (delta: -70.0MB). Peak memory consumption was 42.1MB. Max. memory is 16.1GB. * BuchiAutomizer took 6951.62ms. Allocated memory was 207.6MB in the beginning and 266.3MB in the end (delta: 58.7MB). Free memory was 127.5MB in the beginning and 132.9MB in the end (delta: -5.3MB). Peak memory consumption was 53.4MB. Max. memory is 16.1GB. * Witness Printer took 5.29ms. Allocated memory is still 266.3MB. Free memory was 132.9MB in the beginning and 131.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 6 terminating modules (3 trivial, 3 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 -2 * op3 + 1 and consists of 4 locations. One deterministic module has affine ranking function -2 * splverifierCounter + 5 and consists of 3 locations. 3 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 6.8s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 4.2s. Construction of modules took 0.1s. Büchi inclusion checks took 1.9s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 4. Automata minimization 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 3131 StatesRemovedByMinimization, 4 NontrivialMinimizations. Non-live state removal took 0.2s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6946 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6943 mSDsluCounter, 16949 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 9552 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 119 IncrementalHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 7397 mSDtfsCounter, 119 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT3 lasso0 LassoPreprocessingBenchmarks: Lassos: inital45 mio100 ax100 hnf100 lsp23 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq196 hnf89 smp100 dnf130 smp100 tf108 neg92 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 42ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 4 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.6s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-11-16 12:05:37,237 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcb220f-b0dc-44d5-9eff-c89fbcd2bd4d/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-11-16 12:05:37,443 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcb220f-b0dc-44d5-9eff-c89fbcd2bd4d/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE