./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/email_spec8_product15.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_c46ecbea-25db-4ece-b9c9-b6c5dff51821/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c46ecbea-25db-4ece-b9c9-b6c5dff51821/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_c46ecbea-25db-4ece-b9c9-b6c5dff51821/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c46ecbea-25db-4ece-b9c9-b6c5dff51821/bin/uautomizer-tPACEb0tL8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/email_spec8_product15.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c46ecbea-25db-4ece-b9c9-b6c5dff51821/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_c46ecbea-25db-4ece-b9c9-b6c5dff51821/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 b1bbd85396e3eb1de7562114efc1b104d28592355874c6166c296894ed6f999d --- 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 11:33:46,081 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:33:46,083 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:33:46,103 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:33:46,104 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:33:46,105 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:33:46,106 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:33:46,108 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:33:46,111 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:33:46,112 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:33:46,113 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:33:46,115 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:33:46,115 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:33:46,116 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:33:46,118 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:33:46,119 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:33:46,120 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:33:46,121 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:33:46,123 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:33:46,125 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:33:46,127 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:33:46,129 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:33:46,131 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:33:46,132 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:33:46,136 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:33:46,136 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:33:46,137 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:33:46,138 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:33:46,139 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:33:46,140 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:33:46,140 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:33:46,141 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:33:46,142 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:33:46,143 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:33:46,144 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:33:46,145 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:33:46,146 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:33:46,146 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:33:46,147 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:33:46,148 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:33:46,149 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:33:46,150 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c46ecbea-25db-4ece-b9c9-b6c5dff51821/bin/uautomizer-tPACEb0tL8/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-16 11:33:46,173 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:33:46,174 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:33:46,174 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:33:46,175 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:33:46,176 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:33:46,176 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:33:46,176 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:33:46,177 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-16 11:33:46,177 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-16 11:33:46,177 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-16 11:33:46,177 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-16 11:33:46,178 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-16 11:33:46,178 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-16 11:33:46,178 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:33:46,179 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 11:33:46,179 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 11:33:46,179 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:33:46,179 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 11:33:46,180 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:33:46,180 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-16 11:33:46,180 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-16 11:33:46,180 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-16 11:33:46,181 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 11:33:46,181 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:33:46,181 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-16 11:33:46,182 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:33:46,182 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-16 11:33:46,182 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:33:46,182 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:33:46,183 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:33:46,183 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:33:46,184 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-16 11:33:46,184 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_c46ecbea-25db-4ece-b9c9-b6c5dff51821/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c46ecbea-25db-4ece-b9c9-b6c5dff51821/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b1bbd85396e3eb1de7562114efc1b104d28592355874c6166c296894ed6f999d [2022-11-16 11:33:46,481 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:33:46,504 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:33:46,507 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:33:46,508 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:33:46,509 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:33:46,511 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c46ecbea-25db-4ece-b9c9-b6c5dff51821/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/product-lines/email_spec8_product15.cil.c [2022-11-16 11:33:46,583 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c46ecbea-25db-4ece-b9c9-b6c5dff51821/bin/uautomizer-tPACEb0tL8/data/9a9464cc9/910bb7411aab407e8f2deb09c0e049b8/FLAG9d317147c [2022-11-16 11:33:47,164 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:33:47,165 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c46ecbea-25db-4ece-b9c9-b6c5dff51821/sv-benchmarks/c/product-lines/email_spec8_product15.cil.c [2022-11-16 11:33:47,194 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c46ecbea-25db-4ece-b9c9-b6c5dff51821/bin/uautomizer-tPACEb0tL8/data/9a9464cc9/910bb7411aab407e8f2deb09c0e049b8/FLAG9d317147c [2022-11-16 11:33:47,409 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c46ecbea-25db-4ece-b9c9-b6c5dff51821/bin/uautomizer-tPACEb0tL8/data/9a9464cc9/910bb7411aab407e8f2deb09c0e049b8 [2022-11-16 11:33:47,411 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:33:47,413 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:33:47,417 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:33:47,418 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:33:47,421 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:33:47,422 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:33:47" (1/1) ... [2022-11-16 11:33:47,424 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d0e0742 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:33:47, skipping insertion in model container [2022-11-16 11:33:47,424 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:33:47" (1/1) ... [2022-11-16 11:33:47,432 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:33:47,497 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:33:48,047 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_c46ecbea-25db-4ece-b9c9-b6c5dff51821/sv-benchmarks/c/product-lines/email_spec8_product15.cil.c[44955,44968] [2022-11-16 11:33:48,143 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:33:48,159 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:33:48,259 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_c46ecbea-25db-4ece-b9c9-b6c5dff51821/sv-benchmarks/c/product-lines/email_spec8_product15.cil.c[44955,44968] [2022-11-16 11:33:48,307 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:33:48,351 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:33:48,352 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:33:48 WrapperNode [2022-11-16 11:33:48,353 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:33:48,355 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:33:48,356 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:33:48,356 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:33:48,364 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:33:48" (1/1) ... [2022-11-16 11:33:48,424 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:33:48" (1/1) ... [2022-11-16 11:33:48,537 INFO L138 Inliner]: procedures = 126, calls = 201, calls flagged for inlining = 111, calls inlined = 129, statements flattened = 1894 [2022-11-16 11:33:48,537 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:33:48,538 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:33:48,538 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:33:48,539 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:33:48,548 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:33:48" (1/1) ... [2022-11-16 11:33:48,548 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:33:48" (1/1) ... [2022-11-16 11:33:48,559 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:33:48" (1/1) ... [2022-11-16 11:33:48,568 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:33:48" (1/1) ... [2022-11-16 11:33:48,605 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:33:48" (1/1) ... [2022-11-16 11:33:48,632 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:33:48" (1/1) ... [2022-11-16 11:33:48,640 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:33:48" (1/1) ... [2022-11-16 11:33:48,653 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:33:48" (1/1) ... [2022-11-16 11:33:48,666 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:33:48,673 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:33:48,674 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:33:48,675 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:33:48,676 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:33:48" (1/1) ... [2022-11-16 11:33:48,684 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:33:48,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c46ecbea-25db-4ece-b9c9-b6c5dff51821/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:33:48,714 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c46ecbea-25db-4ece-b9c9-b6c5dff51821/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:33:48,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c46ecbea-25db-4ece-b9c9-b6c5dff51821/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-16 11:33:48,760 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2022-11-16 11:33:48,760 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 11:33:48,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 11:33:48,761 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:33:48,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:33:48,946 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:33:48,948 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:33:50,555 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:33:50,578 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:33:50,578 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-16 11:33:50,582 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:33:50 BoogieIcfgContainer [2022-11-16 11:33:50,582 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:33:50,584 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-16 11:33:50,585 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-16 11:33:50,589 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-16 11:33:50,590 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 11:33:50,591 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 16.11 11:33:47" (1/3) ... [2022-11-16 11:33:50,592 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1f80133b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 11:33:50, skipping insertion in model container [2022-11-16 11:33:50,592 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 11:33:50,593 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:33:48" (2/3) ... [2022-11-16 11:33:50,593 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1f80133b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 11:33:50, skipping insertion in model container [2022-11-16 11:33:50,594 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 11:33:50,594 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:33:50" (3/3) ... [2022-11-16 11:33:50,595 INFO L332 chiAutomizerObserver]: Analyzing ICFG email_spec8_product15.cil.c [2022-11-16 11:33:50,680 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-16 11:33:50,681 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-16 11:33:50,681 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-16 11:33:50,681 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-16 11:33:50,681 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-16 11:33:50,682 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-16 11:33:50,682 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-16 11:33:50,682 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-16 11:33:50,692 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 450 states, 449 states have (on average 1.6904231625835189) internal successors, (759), 449 states have internal predecessors, (759), 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 11:33:50,757 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 222 [2022-11-16 11:33:50,759 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 11:33:50,760 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 11:33:50,771 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 11:33:50,771 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:33:50,771 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-16 11:33:50,772 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 450 states, 449 states have (on average 1.6904231625835189) internal successors, (759), 449 states have internal predecessors, (759), 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 11:33:50,795 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 222 [2022-11-16 11:33:50,803 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 11:33:50,803 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 11:33:50,805 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 11:33:50,808 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:33:50,823 INFO L748 eck$LassoCheckResult]: Stem: 444#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(10, 4);call #Ultimate.allocInit(16, 5);call #Ultimate.allocInit(20, 6);call #Ultimate.allocInit(22, 7);call #Ultimate.allocInit(44, 8);call #Ultimate.allocInit(44, 9);call #Ultimate.allocInit(9, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(11, 12);call #Ultimate.allocInit(19, 13);call #Ultimate.allocInit(4, 14);call write~init~int(37, 14, 0, 1);call write~init~int(100, 14, 1, 1);call write~init~int(10, 14, 2, 1);call write~init~int(0, 14, 3, 1);call #Ultimate.allocInit(4, 15);call write~init~int(37, 15, 0, 1);call write~init~int(100, 15, 1, 1);call write~init~int(10, 15, 2, 1);call write~init~int(0, 15, 3, 1);call #Ultimate.allocInit(17, 16);call #Ultimate.allocInit(17, 17);call #Ultimate.allocInit(13, 18);call #Ultimate.allocInit(17, 19);call #Ultimate.allocInit(10, 20);call #Ultimate.allocInit(12, 21);call #Ultimate.allocInit(10, 22);call #Ultimate.allocInit(18, 23);call #Ultimate.allocInit(16, 24);call #Ultimate.allocInit(21, 25);call #Ultimate.allocInit(4, 26);call write~init~int(37, 26, 0, 1);call write~init~int(115, 26, 1, 1);call write~init~int(10, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(30, 27);call #Ultimate.allocInit(9, 28);call #Ultimate.allocInit(21, 29);call #Ultimate.allocInit(30, 30);call #Ultimate.allocInit(9, 31);call #Ultimate.allocInit(21, 32);call #Ultimate.allocInit(30, 33);call #Ultimate.allocInit(9, 34);call #Ultimate.allocInit(25, 35);call #Ultimate.allocInit(30, 36);call #Ultimate.allocInit(9, 37);call #Ultimate.allocInit(25, 38);~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_Client_AddressBook1_Address2~0 := 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_email_to0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 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;~queued_client~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 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;~in_encrypted~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; 380#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret30#1, main_~retValue_acc~33#1, main_~tmp~11#1;havoc main_~retValue_acc~33#1;havoc main_~tmp~11#1;assume { :begin_inline_select_helpers } true; 13#L2890true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 353#L2883true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~43#1;havoc valid_product_~retValue_acc~43#1;valid_product_~retValue_acc~43#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~43#1; 272#L2898true main_#t~ret30#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~11#1 := main_#t~ret30#1;havoc main_#t~ret30#1; 370#L1979true assume 0 != main_~tmp~11#1;assume { :begin_inline_setup } true;havoc setup_#t~nondet27#1, setup_#t~nondet28#1, setup_#t~nondet29#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_tmp3~3#1.base, setup_~__cil_tmp3~3#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_tmp3~3#1.base, setup_~__cil_tmp3~3#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; 112#L1808true assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 337#L1814-2true assume { :end_inline_setClientId } true; 360#L1856true 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; 165#L1373true assume 1 == setClientPrivateKey_~handle#1;~__ste_client_privateKey0~0 := setClientPrivateKey_~value#1; 247#L1379-2true assume { :end_inline_setClientPrivateKey } true; 211#L1867true assume { :end_inline_setup_bob } true;setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset := 10, 0;havoc setup_#t~nondet27#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; 428#L1808-2true assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 178#L1814-5true assume { :end_inline_setClientId } true; 350#L1877true 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; 241#L1373-2true assume 1 == setClientPrivateKey_~handle#1;~__ste_client_privateKey0~0 := setClientPrivateKey_~value#1; 124#L1379-5true assume { :end_inline_setClientPrivateKey } true; 412#L1888true assume { :end_inline_setup_rjh } true;setup_~__cil_tmp2~0#1.base, setup_~__cil_tmp2~0#1.offset := 11, 0;havoc setup_#t~nondet28#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; 401#L1808-4true assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 220#L1814-8true assume { :end_inline_setClientId } true; 280#L1898true 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; 443#L1373-4true assume 1 == setClientPrivateKey_~handle#1;~__ste_client_privateKey0~0 := setClientPrivateKey_~value#1; 297#L1379-8true assume { :end_inline_setClientPrivateKey } true; 132#L1909true assume { :end_inline_setup_chuck } true;setup_~__cil_tmp3~3#1.base, setup_~__cil_tmp3~3#1.offset := 12, 0;havoc setup_#t~nondet29#1; 120#L1966true assume { :end_inline_setup } true;assume { :begin_inline_test } true;havoc test_#t~nondet62#1, test_#t~nondet63#1, test_#t~nondet64#1, test_#t~nondet65#1, test_#t~nondet66#1, test_#t~nondet67#1, test_#t~nondet68#1, test_#t~nondet69#1, test_#t~nondet70#1, test_#t~nondet71#1, test_#t~nondet72#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~17#1, test_~tmp___0~6#1, test_~tmp___1~3#1, test_~tmp___2~2#1, test_~tmp___3~0#1, test_~tmp___4~0#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~17#1;havoc test_~tmp___0~6#1;havoc test_~tmp___1~3#1;havoc test_~tmp___2~2#1;havoc test_~tmp___3~0#1;havoc test_~tmp___4~0#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; 19#L2454-1true [2022-11-16 11:33:50,825 INFO L750 eck$LassoCheckResult]: Loop: 19#L2454-1true assume !false; 42#L2309true assume test_~splverifierCounter~0#1 < 4; 266#L2310true test_~splverifierCounter~0#1 := 1 + test_~splverifierCounter~0#1; 357#L2316true assume !(0 == test_~op1~0#1); 161#L2329true assume 0 == test_~op2~0#1;test_~tmp___8~0#1 := test_#t~nondet63#1;havoc test_#t~nondet63#1; 217#L2334true 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; 213#L1326true assume 1 == setClientAutoResponse_~handle#1;~__ste_client_autoResponse0~0 := setClientAutoResponse_~value#1; 133#L1332-2true assume { :end_inline_setClientAutoResponse } true; 79#L2109true assume { :end_inline_rjhSetAutoRespond } true;test_~op2~0#1 := 1; 19#L2454-1true [2022-11-16 11:33:50,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:33:50,836 INFO L85 PathProgramCache]: Analyzing trace with hash 56074497, now seen corresponding path program 1 times [2022-11-16 11:33:50,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:33:50,848 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127392691] [2022-11-16 11:33:50,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:33:50,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:33:51,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:51,392 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 11:33:51,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:33:51,395 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127392691] [2022-11-16 11:33:51,396 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1127392691] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:33:51,396 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:33:51,396 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 11:33:51,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47953836] [2022-11-16 11:33:51,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:33:51,405 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-16 11:33:51,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:33:51,406 INFO L85 PathProgramCache]: Analyzing trace with hash 853771930, now seen corresponding path program 1 times [2022-11-16 11:33:51,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:33:51,407 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517245158] [2022-11-16 11:33:51,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:33:51,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:33:51,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:33:51,421 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:33:51,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:33:51,454 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:33:51,582 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 11:33:51,582 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 11:33:51,583 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 11:33:51,583 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 11:33:51,583 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-16 11:33:51,583 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:33:51,583 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 11:33:51,584 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 11:33:51,584 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec8_product15.cil.c_Iteration1_Loop [2022-11-16 11:33:51,584 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 11:33:51,585 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 11:33:51,616 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 11:33:51,630 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 11:33:51,637 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 11:33:51,645 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 11:33:51,653 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 11:33:51,657 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 11:33:51,818 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 11:33:51,819 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-16 11:33:51,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:33:51,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c46ecbea-25db-4ece-b9c9-b6c5dff51821/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:33:51,825 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c46ecbea-25db-4ece-b9c9-b6c5dff51821/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:33:51,837 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-16 11:33:51,837 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 11:33:51,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c46ecbea-25db-4ece-b9c9-b6c5dff51821/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-16 11:33:51,869 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-16 11:33:51,870 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_#t~nondet63#1=4, ULTIMATE.start_test_~tmp___8~0#1=4} Honda state: {ULTIMATE.start_test_#t~nondet63#1=4, ULTIMATE.start_test_~tmp___8~0#1=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-16 11:33:51,881 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c46ecbea-25db-4ece-b9c9-b6c5dff51821/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-16 11:33:51,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:33:51,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c46ecbea-25db-4ece-b9c9-b6c5dff51821/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:33:51,895 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c46ecbea-25db-4ece-b9c9-b6c5dff51821/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:33:51,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c46ecbea-25db-4ece-b9c9-b6c5dff51821/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-16 11:33:51,917 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-16 11:33:51,917 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 11:33:51,947 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c46ecbea-25db-4ece-b9c9-b6c5dff51821/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-16 11:33:51,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:33:51,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c46ecbea-25db-4ece-b9c9-b6c5dff51821/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:33:51,949 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c46ecbea-25db-4ece-b9c9-b6c5dff51821/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:33:51,957 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-16 11:33:51,958 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 11:33:51,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c46ecbea-25db-4ece-b9c9-b6c5dff51821/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-16 11:33:51,999 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-16 11:33:52,007 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c46ecbea-25db-4ece-b9c9-b6c5dff51821/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-16 11:33:52,008 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 11:33:52,008 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 11:33:52,008 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 11:33:52,008 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 11:33:52,009 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-16 11:33:52,009 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:33:52,009 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 11:33:52,009 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 11:33:52,009 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec8_product15.cil.c_Iteration1_Loop [2022-11-16 11:33:52,009 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 11:33:52,009 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 11:33:52,011 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 11:33:52,025 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 11:33:52,045 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 11:33:52,051 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 11:33:52,055 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 11:33:52,062 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 11:33:52,216 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 11:33:52,221 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-16 11:33:52,222 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:33:52,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c46ecbea-25db-4ece-b9c9-b6c5dff51821/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:33:52,224 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c46ecbea-25db-4ece-b9c9-b6c5dff51821/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:33:52,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c46ecbea-25db-4ece-b9c9-b6c5dff51821/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-16 11:33:52,234 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 11:33:52,249 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:33:52,249 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:33:52,250 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:33:52,250 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-16 11:33:52,250 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:33:52,255 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-16 11:33:52,255 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:33:52,271 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:33:52,281 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c46ecbea-25db-4ece-b9c9-b6c5dff51821/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-16 11:33:52,282 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:33:52,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c46ecbea-25db-4ece-b9c9-b6c5dff51821/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:33:52,284 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c46ecbea-25db-4ece-b9c9-b6c5dff51821/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:33:52,297 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 11:33:52,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c46ecbea-25db-4ece-b9c9-b6c5dff51821/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-16 11:33:52,310 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:33:52,311 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:33:52,311 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:33:52,312 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:33:52,312 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:33:52,315 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:33:52,315 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:33:52,331 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:33:52,340 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c46ecbea-25db-4ece-b9c9-b6c5dff51821/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-16 11:33:52,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:33:52,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c46ecbea-25db-4ece-b9c9-b6c5dff51821/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:33:52,342 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c46ecbea-25db-4ece-b9c9-b6c5dff51821/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:33:52,351 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 11:33:52,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c46ecbea-25db-4ece-b9c9-b6c5dff51821/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-16 11:33:52,365 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:33:52,365 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:33:52,365 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:33:52,366 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:33:52,366 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:33:52,367 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:33:52,367 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:33:52,383 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-16 11:33:52,387 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-11-16 11:33:52,387 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-11-16 11:33:52,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:33:52,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c46ecbea-25db-4ece-b9c9-b6c5dff51821/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:33:52,392 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c46ecbea-25db-4ece-b9c9-b6c5dff51821/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:33:52,399 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-16 11:33:52,400 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-16 11:33:52,400 INFO L513 LassoAnalysis]: Proved termination. [2022-11-16 11:33:52,400 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 11:33:52,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c46ecbea-25db-4ece-b9c9-b6c5dff51821/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-16 11:33:52,408 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c46ecbea-25db-4ece-b9c9-b6c5dff51821/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2022-11-16 11:33:52,412 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-16 11:33:52,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:33:52,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:52,638 INFO L263 TraceCheckSpWp]: Trace formula consists of 564 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-16 11:33:52,642 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:33:52,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:52,725 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-16 11:33:52,726 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:33:52,800 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 11:33:52,849 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 11:33:52,852 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 450 states, 449 states have (on average 1.6904231625835189) internal successors, (759), 449 states have internal predecessors, (759), 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 11:33:53,113 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 450 states, 449 states have (on average 1.6904231625835189) internal successors, (759), 449 states have internal predecessors, (759), 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 1867 states and 3145 transitions. Complement of second has 7 states. [2022-11-16 11:33:53,115 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 11:33:53,120 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 11:33:53,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1755 transitions. [2022-11-16 11:33:53,125 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1755 transitions. Stem has 25 letters. Loop has 9 letters. [2022-11-16 11:33:53,126 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 11:33:53,126 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1755 transitions. Stem has 34 letters. Loop has 9 letters. [2022-11-16 11:33:53,127 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 11:33:53,127 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1755 transitions. Stem has 25 letters. Loop has 18 letters. [2022-11-16 11:33:53,128 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 11:33:53,128 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1867 states and 3145 transitions. [2022-11-16 11:33:53,152 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 433 [2022-11-16 11:33:53,165 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1867 states to 911 states and 1619 transitions. [2022-11-16 11:33:53,166 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 471 [2022-11-16 11:33:53,168 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 472 [2022-11-16 11:33:53,168 INFO L73 IsDeterministic]: Start isDeterministic. Operand 911 states and 1619 transitions. [2022-11-16 11:33:53,169 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-16 11:33:53,169 INFO L218 hiAutomatonCegarLoop]: Abstraction has 911 states and 1619 transitions. [2022-11-16 11:33:53,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 911 states and 1619 transitions. [2022-11-16 11:33:53,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 911 to 478. [2022-11-16 11:33:53,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 478 states, 478 states have (on average 1.7656903765690377) internal successors, (844), 477 states have internal predecessors, (844), 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 11:33:53,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 478 states and 844 transitions. [2022-11-16 11:33:53,251 INFO L240 hiAutomatonCegarLoop]: Abstraction has 478 states and 844 transitions. [2022-11-16 11:33:53,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:33:53,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:33:53,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:33:53,256 INFO L87 Difference]: Start difference. First operand 478 states and 844 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 11:33:53,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:33:53,324 INFO L93 Difference]: Finished difference Result 933 states and 1650 transitions. [2022-11-16 11:33:53,325 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 933 states and 1650 transitions. [2022-11-16 11:33:53,333 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 434 [2022-11-16 11:33:53,340 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 933 states to 933 states and 1650 transitions. [2022-11-16 11:33:53,340 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 487 [2022-11-16 11:33:53,342 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 487 [2022-11-16 11:33:53,342 INFO L73 IsDeterministic]: Start isDeterministic. Operand 933 states and 1650 transitions. [2022-11-16 11:33:53,342 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-16 11:33:53,342 INFO L218 hiAutomatonCegarLoop]: Abstraction has 933 states and 1650 transitions. [2022-11-16 11:33:53,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 933 states and 1650 transitions. [2022-11-16 11:33:53,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 933 to 477. [2022-11-16 11:33:53,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 477 states, 477 states have (on average 1.7610062893081762) internal successors, (840), 476 states have internal predecessors, (840), 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 11:33:53,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 477 states and 840 transitions. [2022-11-16 11:33:53,365 INFO L240 hiAutomatonCegarLoop]: Abstraction has 477 states and 840 transitions. [2022-11-16 11:33:53,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:33:53,366 INFO L428 stractBuchiCegarLoop]: Abstraction has 477 states and 840 transitions. [2022-11-16 11:33:53,366 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-16 11:33:53,367 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 477 states and 840 transitions. [2022-11-16 11:33:53,370 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 217 [2022-11-16 11:33:53,370 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 11:33:53,370 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 11:33:53,371 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 11:33:53,372 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:33:53,372 INFO L748 eck$LassoCheckResult]: Stem: 4331#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(10, 4);call #Ultimate.allocInit(16, 5);call #Ultimate.allocInit(20, 6);call #Ultimate.allocInit(22, 7);call #Ultimate.allocInit(44, 8);call #Ultimate.allocInit(44, 9);call #Ultimate.allocInit(9, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(11, 12);call #Ultimate.allocInit(19, 13);call #Ultimate.allocInit(4, 14);call write~init~int(37, 14, 0, 1);call write~init~int(100, 14, 1, 1);call write~init~int(10, 14, 2, 1);call write~init~int(0, 14, 3, 1);call #Ultimate.allocInit(4, 15);call write~init~int(37, 15, 0, 1);call write~init~int(100, 15, 1, 1);call write~init~int(10, 15, 2, 1);call write~init~int(0, 15, 3, 1);call #Ultimate.allocInit(17, 16);call #Ultimate.allocInit(17, 17);call #Ultimate.allocInit(13, 18);call #Ultimate.allocInit(17, 19);call #Ultimate.allocInit(10, 20);call #Ultimate.allocInit(12, 21);call #Ultimate.allocInit(10, 22);call #Ultimate.allocInit(18, 23);call #Ultimate.allocInit(16, 24);call #Ultimate.allocInit(21, 25);call #Ultimate.allocInit(4, 26);call write~init~int(37, 26, 0, 1);call write~init~int(115, 26, 1, 1);call write~init~int(10, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(30, 27);call #Ultimate.allocInit(9, 28);call #Ultimate.allocInit(21, 29);call #Ultimate.allocInit(30, 30);call #Ultimate.allocInit(9, 31);call #Ultimate.allocInit(21, 32);call #Ultimate.allocInit(30, 33);call #Ultimate.allocInit(9, 34);call #Ultimate.allocInit(25, 35);call #Ultimate.allocInit(30, 36);call #Ultimate.allocInit(9, 37);call #Ultimate.allocInit(25, 38);~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_Client_AddressBook1_Address2~0 := 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_email_to0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 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;~queued_client~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 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;~in_encrypted~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; 4290#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret30#1, main_~retValue_acc~33#1, main_~tmp~11#1;havoc main_~retValue_acc~33#1;havoc main_~tmp~11#1;assume { :begin_inline_select_helpers } true; 3924#L2890 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 3925#L2883 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~43#1;havoc valid_product_~retValue_acc~43#1;valid_product_~retValue_acc~43#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~43#1; 4031#L2898 main_#t~ret30#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~11#1 := main_#t~ret30#1;havoc main_#t~ret30#1; 4032#L1979 assume 0 != main_~tmp~11#1;assume { :begin_inline_setup } true;havoc setup_#t~nondet27#1, setup_#t~nondet28#1, setup_#t~nondet29#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_tmp3~3#1.base, setup_~__cil_tmp3~3#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_tmp3~3#1.base, setup_~__cil_tmp3~3#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; 4250#L1808 assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 3877#L1814-2 assume { :end_inline_setClientId } true; 4204#L1856 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; 4255#L1373 assume 1 == setClientPrivateKey_~handle#1;~__ste_client_privateKey0~0 := setClientPrivateKey_~value#1; 3933#L1379-2 assume { :end_inline_setClientPrivateKey } true; 3934#L1867 assume { :end_inline_setup_bob } true;setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset := 10, 0;havoc setup_#t~nondet27#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; 4326#L1808-2 assume !(1 == setClientId_~handle#1); 4297#L1811-2 assume 2 == setClientId_~handle#1;~__ste_client_idCounter1~0 := setClientId_~value#1; 4298#L1814-5 assume { :end_inline_setClientId } true; 4235#L1877 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; 3909#L1373-2 assume 1 == setClientPrivateKey_~handle#1;~__ste_client_privateKey0~0 := setClientPrivateKey_~value#1; 3910#L1379-5 assume { :end_inline_setClientPrivateKey } true; 4268#L1888 assume { :end_inline_setup_rjh } true;setup_~__cil_tmp2~0#1.base, setup_~__cil_tmp2~0#1.offset := 11, 0;havoc setup_#t~nondet28#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; 4310#L1808-4 assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 4300#L1814-8 assume { :end_inline_setClientId } true; 4059#L1898 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; 4060#L1373-4 assume 1 == setClientPrivateKey_~handle#1;~__ste_client_privateKey0~0 := setClientPrivateKey_~value#1; 4121#L1379-8 assume { :end_inline_setClientPrivateKey } true; 4122#L1909 assume { :end_inline_setup_chuck } true;setup_~__cil_tmp3~3#1.base, setup_~__cil_tmp3~3#1.offset := 12, 0;havoc setup_#t~nondet29#1; 4262#L1966 assume { :end_inline_setup } true;assume { :begin_inline_test } true;havoc test_#t~nondet62#1, test_#t~nondet63#1, test_#t~nondet64#1, test_#t~nondet65#1, test_#t~nondet66#1, test_#t~nondet67#1, test_#t~nondet68#1, test_#t~nondet69#1, test_#t~nondet70#1, test_#t~nondet71#1, test_#t~nondet72#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~17#1, test_~tmp___0~6#1, test_~tmp___1~3#1, test_~tmp___2~2#1, test_~tmp___3~0#1, test_~tmp___4~0#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~17#1;havoc test_~tmp___0~6#1;havoc test_~tmp___1~3#1;havoc test_~tmp___2~2#1;havoc test_~tmp___3~0#1;havoc test_~tmp___4~0#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; 4263#L2454-1 assume !false; 3946#L2309 [2022-11-16 11:33:53,396 INFO L750 eck$LassoCheckResult]: Loop: 3946#L2309 assume test_~splverifierCounter~0#1 < 4; 4019#L2310 test_~splverifierCounter~0#1 := 1 + test_~splverifierCounter~0#1; 4020#L2316 assume !(0 == test_~op1~0#1); 4251#L2329 assume !(0 == test_~op2~0#1); 4141#L2343 assume 0 == test_~op3~0#1;test_~tmp___7~0#1 := test_#t~nondet64#1;havoc test_#t~nondet64#1; 4105#L2348 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; 4106#L1373-6 assume 1 == setClientPrivateKey_~handle#1;~__ste_client_privateKey0~0 := setClientPrivateKey_~value#1; 4205#L1379-11 assume { :end_inline_setClientPrivateKey } true; 4001#L2079 assume { :end_inline_rjhDeletePrivateKey } true;test_~op3~0#1 := 1; 3945#L2454-1 assume !false; 3946#L2309 [2022-11-16 11:33:53,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:33:53,397 INFO L85 PathProgramCache]: Analyzing trace with hash -1808936504, now seen corresponding path program 1 times [2022-11-16 11:33:53,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:33:53,397 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649192220] [2022-11-16 11:33:53,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:33:53,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:33:53,412 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c46ecbea-25db-4ece-b9c9-b6c5dff51821/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-16 11:33:53,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:53,558 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 11:33:53,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:33:53,559 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649192220] [2022-11-16 11:33:53,560 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [649192220] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:33:53,560 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:33:53,560 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:33:53,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381499052] [2022-11-16 11:33:53,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:33:53,561 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-16 11:33:53,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:33:53,561 INFO L85 PathProgramCache]: Analyzing trace with hash -88063911, now seen corresponding path program 1 times [2022-11-16 11:33:53,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:33:53,562 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677545636] [2022-11-16 11:33:53,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:33:53,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:33:53,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:33:53,574 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:33:53,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:33:53,590 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:33:53,707 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 11:33:53,707 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 11:33:53,707 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 11:33:53,708 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 11:33:53,708 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-16 11:33:53,708 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:33:53,708 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 11:33:53,708 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 11:33:53,708 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec8_product15.cil.c_Iteration2_Loop [2022-11-16 11:33:53,709 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 11:33:53,709 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 11:33:53,712 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 11:33:53,716 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 11:33:53,724 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 11:33:53,731 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 11:33:53,741 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 11:33:53,748 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 11:33:53,754 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 11:33:53,883 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 11:33:53,883 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-16 11:33:53,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:33:53,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c46ecbea-25db-4ece-b9c9-b6c5dff51821/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:33:53,885 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c46ecbea-25db-4ece-b9c9-b6c5dff51821/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:33:53,895 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-16 11:33:53,895 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 11:33:53,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c46ecbea-25db-4ece-b9c9-b6c5dff51821/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-16 11:33:53,936 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-16 11:33:53,936 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 11:33:53,945 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c46ecbea-25db-4ece-b9c9-b6c5dff51821/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-16 11:33:53,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:33:53,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c46ecbea-25db-4ece-b9c9-b6c5dff51821/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:33:53,948 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c46ecbea-25db-4ece-b9c9-b6c5dff51821/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:33:53,961 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-16 11:33:53,961 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 11:33:53,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c46ecbea-25db-4ece-b9c9-b6c5dff51821/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-16 11:33:53,999 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c46ecbea-25db-4ece-b9c9-b6c5dff51821/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-16 11:33:54,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:33:54,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c46ecbea-25db-4ece-b9c9-b6c5dff51821/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:33:54,002 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c46ecbea-25db-4ece-b9c9-b6c5dff51821/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:33:54,018 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-16 11:33:54,018 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 11:33:54,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c46ecbea-25db-4ece-b9c9-b6c5dff51821/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-16 11:33:54,051 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-16 11:33:54,060 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c46ecbea-25db-4ece-b9c9-b6c5dff51821/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-16 11:33:54,060 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 11:33:54,060 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 11:33:54,060 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 11:33:54,060 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 11:33:54,060 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-16 11:33:54,060 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:33:54,061 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 11:33:54,061 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 11:33:54,061 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec8_product15.cil.c_Iteration2_Loop [2022-11-16 11:33:54,061 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 11:33:54,061 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 11:33:54,062 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 11:33:54,066 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 11:33:54,072 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 11:33:54,080 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 11:33:54,086 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 11:33:54,094 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 11:33:54,098 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 11:33:54,238 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 11:33:54,238 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-16 11:33:54,238 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:33:54,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c46ecbea-25db-4ece-b9c9-b6c5dff51821/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:33:54,242 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c46ecbea-25db-4ece-b9c9-b6c5dff51821/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:33:54,246 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 11:33:54,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c46ecbea-25db-4ece-b9c9-b6c5dff51821/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-16 11:33:54,260 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:33:54,260 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:33:54,261 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:33:54,261 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-16 11:33:54,261 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:33:54,262 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-16 11:33:54,262 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:33:54,272 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:33:54,283 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c46ecbea-25db-4ece-b9c9-b6c5dff51821/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-16 11:33:54,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:33:54,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c46ecbea-25db-4ece-b9c9-b6c5dff51821/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:33:54,285 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c46ecbea-25db-4ece-b9c9-b6c5dff51821/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:33:54,294 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 11:33:54,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c46ecbea-25db-4ece-b9c9-b6c5dff51821/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-16 11:33:54,309 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:33:54,309 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:33:54,309 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:33:54,309 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:33:54,309 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:33:54,311 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:33:54,312 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:33:54,321 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-16 11:33:54,325 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-11-16 11:33:54,325 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-11-16 11:33:54,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:33:54,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c46ecbea-25db-4ece-b9c9-b6c5dff51821/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:33:54,327 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c46ecbea-25db-4ece-b9c9-b6c5dff51821/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:33:54,355 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-16 11:33:54,356 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-16 11:33:54,356 INFO L513 LassoAnalysis]: Proved termination. [2022-11-16 11:33:54,356 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 11:33:54,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c46ecbea-25db-4ece-b9c9-b6c5dff51821/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-16 11:33:54,367 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c46ecbea-25db-4ece-b9c9-b6c5dff51821/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-16 11:33:54,368 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-16 11:33:54,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:33:54,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:54,522 INFO L263 TraceCheckSpWp]: Trace formula consists of 566 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-16 11:33:54,524 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:33:54,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:54,623 INFO L263 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-16 11:33:54,624 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:33:54,690 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 11:33:54,691 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 11:33:54,691 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 477 states and 840 transitions. cyclomatic complexity: 365 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 11:33:54,812 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c46ecbea-25db-4ece-b9c9-b6c5dff51821/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-16 11:33:54,823 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 477 states and 840 transitions. cyclomatic complexity: 365. 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 1781 states and 3171 transitions. Complement of second has 6 states. [2022-11-16 11:33:54,824 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 11:33:54,825 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 11:33:54,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 838 transitions. [2022-11-16 11:33:54,826 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 838 transitions. Stem has 27 letters. Loop has 10 letters. [2022-11-16 11:33:54,827 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 11:33:54,827 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 838 transitions. Stem has 37 letters. Loop has 10 letters. [2022-11-16 11:33:54,828 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 11:33:54,828 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 838 transitions. Stem has 27 letters. Loop has 20 letters. [2022-11-16 11:33:54,829 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 11:33:54,829 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1781 states and 3171 transitions. [2022-11-16 11:33:54,843 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 423 [2022-11-16 11:33:54,855 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1781 states to 1771 states and 3155 transitions. [2022-11-16 11:33:54,855 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 463 [2022-11-16 11:33:54,856 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 465 [2022-11-16 11:33:54,857 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1771 states and 3155 transitions. [2022-11-16 11:33:54,857 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-16 11:33:54,857 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1771 states and 3155 transitions. [2022-11-16 11:33:54,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1771 states and 3155 transitions. [2022-11-16 11:33:54,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1771 to 912. [2022-11-16 11:33:54,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 912 states, 912 states have (on average 1.7741228070175439) internal successors, (1618), 911 states have internal predecessors, (1618), 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 11:33:54,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 912 states to 912 states and 1618 transitions. [2022-11-16 11:33:54,884 INFO L240 hiAutomatonCegarLoop]: Abstraction has 912 states and 1618 transitions. [2022-11-16 11:33:54,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:33:54,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 11:33:54,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:33:54,886 INFO L87 Difference]: Start difference. First operand 912 states and 1618 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 11:33:55,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:33:55,043 INFO L93 Difference]: Finished difference Result 1767 states and 3133 transitions. [2022-11-16 11:33:55,043 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1767 states and 3133 transitions. [2022-11-16 11:33:55,056 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 418 [2022-11-16 11:33:55,067 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1767 states to 1767 states and 3133 transitions. [2022-11-16 11:33:55,067 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 469 [2022-11-16 11:33:55,068 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 469 [2022-11-16 11:33:55,068 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1767 states and 3133 transitions. [2022-11-16 11:33:55,071 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-16 11:33:55,071 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1767 states and 3133 transitions. [2022-11-16 11:33:55,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1767 states and 3133 transitions. [2022-11-16 11:33:55,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1767 to 912. [2022-11-16 11:33:55,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 912 states, 912 states have (on average 1.7730263157894737) internal successors, (1617), 911 states have internal predecessors, (1617), 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 11:33:55,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 912 states to 912 states and 1617 transitions. [2022-11-16 11:33:55,097 INFO L240 hiAutomatonCegarLoop]: Abstraction has 912 states and 1617 transitions. [2022-11-16 11:33:55,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 11:33:55,098 INFO L428 stractBuchiCegarLoop]: Abstraction has 912 states and 1617 transitions. [2022-11-16 11:33:55,099 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-16 11:33:55,099 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 912 states and 1617 transitions. [2022-11-16 11:33:55,103 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 212 [2022-11-16 11:33:55,104 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 11:33:55,104 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 11:33:55,105 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 11:33:55,105 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:33:55,106 INFO L748 eck$LassoCheckResult]: Stem: 9423#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(10, 4);call #Ultimate.allocInit(16, 5);call #Ultimate.allocInit(20, 6);call #Ultimate.allocInit(22, 7);call #Ultimate.allocInit(44, 8);call #Ultimate.allocInit(44, 9);call #Ultimate.allocInit(9, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(11, 12);call #Ultimate.allocInit(19, 13);call #Ultimate.allocInit(4, 14);call write~init~int(37, 14, 0, 1);call write~init~int(100, 14, 1, 1);call write~init~int(10, 14, 2, 1);call write~init~int(0, 14, 3, 1);call #Ultimate.allocInit(4, 15);call write~init~int(37, 15, 0, 1);call write~init~int(100, 15, 1, 1);call write~init~int(10, 15, 2, 1);call write~init~int(0, 15, 3, 1);call #Ultimate.allocInit(17, 16);call #Ultimate.allocInit(17, 17);call #Ultimate.allocInit(13, 18);call #Ultimate.allocInit(17, 19);call #Ultimate.allocInit(10, 20);call #Ultimate.allocInit(12, 21);call #Ultimate.allocInit(10, 22);call #Ultimate.allocInit(18, 23);call #Ultimate.allocInit(16, 24);call #Ultimate.allocInit(21, 25);call #Ultimate.allocInit(4, 26);call write~init~int(37, 26, 0, 1);call write~init~int(115, 26, 1, 1);call write~init~int(10, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(30, 27);call #Ultimate.allocInit(9, 28);call #Ultimate.allocInit(21, 29);call #Ultimate.allocInit(30, 30);call #Ultimate.allocInit(9, 31);call #Ultimate.allocInit(21, 32);call #Ultimate.allocInit(30, 33);call #Ultimate.allocInit(9, 34);call #Ultimate.allocInit(25, 35);call #Ultimate.allocInit(30, 36);call #Ultimate.allocInit(9, 37);call #Ultimate.allocInit(25, 38);~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_Client_AddressBook1_Address2~0 := 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_email_to0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 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;~queued_client~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 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;~in_encrypted~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; 9377#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret30#1, main_~retValue_acc~33#1, main_~tmp~11#1;havoc main_~retValue_acc~33#1;havoc main_~tmp~11#1;assume { :begin_inline_select_helpers } true; 9008#L2890 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 9009#L2883 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~43#1;havoc valid_product_~retValue_acc~43#1;valid_product_~retValue_acc~43#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~43#1; 9112#L2898 main_#t~ret30#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~11#1 := main_#t~ret30#1;havoc main_#t~ret30#1; 9113#L1979 assume 0 != main_~tmp~11#1;assume { :begin_inline_setup } true;havoc setup_#t~nondet27#1, setup_#t~nondet28#1, setup_#t~nondet29#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_tmp3~3#1.base, setup_~__cil_tmp3~3#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_tmp3~3#1.base, setup_~__cil_tmp3~3#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; 9333#L1808 assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 8956#L1814-2 assume { :end_inline_setClientId } true; 9288#L1856 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; 9343#L1373 assume 1 == setClientPrivateKey_~handle#1;~__ste_client_privateKey0~0 := setClientPrivateKey_~value#1; 9012#L1379-2 assume { :end_inline_setClientPrivateKey } true; 9013#L1867 assume { :end_inline_setup_bob } true;setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset := 10, 0;havoc setup_#t~nondet27#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; 9416#L1808-2 assume !(1 == setClientId_~handle#1); 9385#L1811-2 assume 2 == setClientId_~handle#1;~__ste_client_idCounter1~0 := setClientId_~value#1; 9386#L1814-5 assume { :end_inline_setClientId } true; 9318#L1877 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; 8988#L1373-2 assume !(1 == setClientPrivateKey_~handle#1); 8989#L1376-2 assume 2 == setClientPrivateKey_~handle#1;~__ste_client_privateKey1~0 := setClientPrivateKey_~value#1; 9011#L1379-5 assume { :end_inline_setClientPrivateKey } true; 9352#L1888 assume { :end_inline_setup_rjh } true;setup_~__cil_tmp2~0#1.base, setup_~__cil_tmp2~0#1.offset := 11, 0;havoc setup_#t~nondet28#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; 9399#L1808-4 assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 9388#L1814-8 assume { :end_inline_setClientId } true; 9141#L1898 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; 9142#L1373-4 assume 1 == setClientPrivateKey_~handle#1;~__ste_client_privateKey0~0 := setClientPrivateKey_~value#1; 9204#L1379-8 assume { :end_inline_setClientPrivateKey } true; 9205#L1909 assume { :end_inline_setup_chuck } true;setup_~__cil_tmp3~3#1.base, setup_~__cil_tmp3~3#1.offset := 12, 0;havoc setup_#t~nondet29#1; 9348#L1966 assume { :end_inline_setup } true;assume { :begin_inline_test } true;havoc test_#t~nondet62#1, test_#t~nondet63#1, test_#t~nondet64#1, test_#t~nondet65#1, test_#t~nondet66#1, test_#t~nondet67#1, test_#t~nondet68#1, test_#t~nondet69#1, test_#t~nondet70#1, test_#t~nondet71#1, test_#t~nondet72#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~17#1, test_~tmp___0~6#1, test_~tmp___1~3#1, test_~tmp___2~2#1, test_~tmp___3~0#1, test_~tmp___4~0#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~17#1;havoc test_~tmp___0~6#1;havoc test_~tmp___1~3#1;havoc test_~tmp___2~2#1;havoc test_~tmp___3~0#1;havoc test_~tmp___4~0#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; 9349#L2454-1 assume !false; 9447#L2309 assume test_~splverifierCounter~0#1 < 4; 9100#L2310 [2022-11-16 11:33:55,106 INFO L750 eck$LassoCheckResult]: Loop: 9100#L2310 test_~splverifierCounter~0#1 := 1 + test_~splverifierCounter~0#1; 9101#L2316 assume !(0 == test_~op1~0#1); 9334#L2329 assume !(0 == test_~op2~0#1); 9222#L2343 assume !(0 == test_~op3~0#1); 9189#L2357 assume !(0 == test_~op4~0#1); 9094#L2371 assume !(0 == test_~op5~0#1); 9210#L2385 assume 0 == test_~op6~0#1;test_~tmp___4~0#1 := test_#t~nondet67#1;havoc test_#t~nondet67#1; 9211#L2390 assume 0 != test_~tmp___4~0#1;test_~op6~0#1 := 1; 9024#L2454-1 assume !false; 9025#L2309 assume test_~splverifierCounter~0#1 < 4; 9100#L2310 [2022-11-16 11:33:55,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:33:55,107 INFO L85 PathProgramCache]: Analyzing trace with hash -1857881969, now seen corresponding path program 1 times [2022-11-16 11:33:55,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:33:55,107 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454309267] [2022-11-16 11:33:55,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:33:55,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:33:55,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:55,215 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 11:33:55,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:33:55,215 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454309267] [2022-11-16 11:33:55,216 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454309267] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:33:55,216 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:33:55,216 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 11:33:55,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330012148] [2022-11-16 11:33:55,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:33:55,217 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-16 11:33:55,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:33:55,217 INFO L85 PathProgramCache]: Analyzing trace with hash 347519073, now seen corresponding path program 1 times [2022-11-16 11:33:55,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:33:55,218 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856222617] [2022-11-16 11:33:55,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:33:55,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:33:55,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:33:55,225 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:33:55,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:33:55,233 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:33:55,317 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 11:33:55,317 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 11:33:55,318 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 11:33:55,318 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 11:33:55,318 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-16 11:33:55,318 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:33:55,318 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 11:33:55,318 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 11:33:55,319 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec8_product15.cil.c_Iteration3_Loop [2022-11-16 11:33:55,319 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 11:33:55,319 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 11:33:55,320 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 11:33:55,325 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 11:33:55,332 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 11:33:55,338 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 11:33:55,341 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 11:33:55,346 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 11:33:55,349 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 11:33:55,355 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 11:33:55,463 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 11:33:55,464 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-16 11:33:55,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:33:55,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c46ecbea-25db-4ece-b9c9-b6c5dff51821/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:33:55,465 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c46ecbea-25db-4ece-b9c9-b6c5dff51821/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:33:55,476 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-16 11:33:55,476 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 11:33:55,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c46ecbea-25db-4ece-b9c9-b6c5dff51821/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-16 11:33:55,507 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-16 11:33:55,508 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 11:33:55,515 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c46ecbea-25db-4ece-b9c9-b6c5dff51821/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-11-16 11:33:55,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:33:55,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c46ecbea-25db-4ece-b9c9-b6c5dff51821/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:33:55,517 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c46ecbea-25db-4ece-b9c9-b6c5dff51821/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:33:55,527 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-16 11:33:55,527 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 11:33:55,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c46ecbea-25db-4ece-b9c9-b6c5dff51821/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-16 11:33:55,559 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c46ecbea-25db-4ece-b9c9-b6c5dff51821/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-11-16 11:33:55,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:33:55,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c46ecbea-25db-4ece-b9c9-b6c5dff51821/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:33:55,563 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c46ecbea-25db-4ece-b9c9-b6c5dff51821/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:33:55,577 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-16 11:33:55,577 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 11:33:55,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c46ecbea-25db-4ece-b9c9-b6c5dff51821/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-16 11:33:55,703 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-16 11:33:55,712 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c46ecbea-25db-4ece-b9c9-b6c5dff51821/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-11-16 11:33:55,713 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 11:33:55,713 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 11:33:55,713 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 11:33:55,713 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 11:33:55,713 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-16 11:33:55,713 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:33:55,713 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 11:33:55,714 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 11:33:55,714 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec8_product15.cil.c_Iteration3_Loop [2022-11-16 11:33:55,714 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 11:33:55,714 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 11:33:55,715 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 11:33:55,720 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 11:33:55,727 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 11:33:55,732 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 11:33:55,736 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 11:33:55,739 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 11:33:55,742 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 11:33:55,745 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 11:33:55,887 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 11:33:55,887 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-16 11:33:55,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:33:55,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c46ecbea-25db-4ece-b9c9-b6c5dff51821/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:33:55,895 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c46ecbea-25db-4ece-b9c9-b6c5dff51821/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:33:55,904 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 11:33:55,916 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:33:55,917 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:33:55,917 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:33:55,917 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-16 11:33:55,917 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:33:55,920 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-16 11:33:55,920 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:33:55,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c46ecbea-25db-4ece-b9c9-b6c5dff51821/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-11-16 11:33:55,935 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:33:55,943 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c46ecbea-25db-4ece-b9c9-b6c5dff51821/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-11-16 11:33:55,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:33:55,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c46ecbea-25db-4ece-b9c9-b6c5dff51821/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:33:55,945 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c46ecbea-25db-4ece-b9c9-b6c5dff51821/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:33:55,956 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 11:33:55,969 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:33:55,969 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:33:55,970 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:33:55,970 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:33:55,970 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:33:55,971 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:33:55,971 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:33:55,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c46ecbea-25db-4ece-b9c9-b6c5dff51821/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-11-16 11:33:55,981 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-16 11:33:55,983 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-11-16 11:33:55,984 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-11-16 11:33:55,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:33:55,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c46ecbea-25db-4ece-b9c9-b6c5dff51821/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:33:55,988 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c46ecbea-25db-4ece-b9c9-b6c5dff51821/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:33:56,004 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-16 11:33:56,004 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-16 11:33:56,004 INFO L513 LassoAnalysis]: Proved termination. [2022-11-16 11:33:56,004 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 11:33:56,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c46ecbea-25db-4ece-b9c9-b6c5dff51821/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-11-16 11:33:56,013 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c46ecbea-25db-4ece-b9c9-b6c5dff51821/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-11-16 11:33:56,014 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-16 11:33:56,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:33:56,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:56,153 INFO L263 TraceCheckSpWp]: Trace formula consists of 568 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-16 11:33:56,155 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:33:56,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:56,226 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-16 11:33:56,227 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:33:56,260 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 11:33:56,261 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 11:33:56,261 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 912 states and 1617 transitions. cyclomatic complexity: 709 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 11:33:56,327 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 912 states and 1617 transitions. cyclomatic complexity: 709. 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 2002 states and 3569 transitions. Complement of second has 4 states. [2022-11-16 11:33:56,327 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 11:33:56,330 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 11:33:56,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 449 transitions. [2022-11-16 11:33:56,331 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 449 transitions. Stem has 29 letters. Loop has 10 letters. [2022-11-16 11:33:56,332 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 11:33:56,332 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 449 transitions. Stem has 39 letters. Loop has 10 letters. [2022-11-16 11:33:56,333 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 11:33:56,333 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 449 transitions. Stem has 29 letters. Loop has 20 letters. [2022-11-16 11:33:56,334 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 11:33:56,334 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2002 states and 3569 transitions. [2022-11-16 11:33:56,358 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-16 11:33:56,359 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2002 states to 0 states and 0 transitions. [2022-11-16 11:33:56,359 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-16 11:33:56,359 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-16 11:33:56,359 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-16 11:33:56,359 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:33:56,359 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 11:33:56,359 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 11:33:56,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:33:56,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:33:56,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:33:56,361 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 11:33:56,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:33:56,361 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2022-11-16 11:33:56,361 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2022-11-16 11:33:56,362 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-16 11:33:56,362 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2022-11-16 11:33:56,362 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-16 11:33:56,362 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-16 11:33:56,362 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-16 11:33:56,362 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:33:56,362 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 11:33:56,362 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 11:33:56,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 11:33:56,364 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 11:33:56,365 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-11-16 11:33:56,365 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-16 11:33:56,365 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-16 11:33:56,365 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-16 11:33:56,380 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 16.11 11:33:56 BoogieIcfgContainer [2022-11-16 11:33:56,380 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-16 11:33:56,381 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 11:33:56,381 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 11:33:56,381 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 11:33:56,381 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:33:50" (3/4) ... [2022-11-16 11:33:56,385 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-16 11:33:56,385 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 11:33:56,387 INFO L158 Benchmark]: Toolchain (without parser) took 8972.50ms. Allocated memory was 136.3MB in the beginning and 230.7MB in the end (delta: 94.4MB). Free memory was 95.7MB in the beginning and 148.0MB in the end (delta: -52.3MB). Peak memory consumption was 40.5MB. Max. memory is 16.1GB. [2022-11-16 11:33:56,387 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 136.3MB. Free memory is still 114.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:33:56,388 INFO L158 Benchmark]: CACSL2BoogieTranslator took 936.66ms. Allocated memory is still 136.3MB. Free memory was 95.4MB in the beginning and 85.9MB in the end (delta: 9.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-16 11:33:56,389 INFO L158 Benchmark]: Boogie Procedure Inliner took 182.35ms. Allocated memory is still 136.3MB. Free memory was 85.9MB in the beginning and 77.5MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-16 11:33:56,394 INFO L158 Benchmark]: Boogie Preprocessor took 134.37ms. Allocated memory is still 136.3MB. Free memory was 77.5MB in the beginning and 71.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-16 11:33:56,395 INFO L158 Benchmark]: RCFGBuilder took 1909.32ms. Allocated memory was 136.3MB in the beginning and 188.7MB in the end (delta: 52.4MB). Free memory was 71.1MB in the beginning and 152.6MB in the end (delta: -81.4MB). Peak memory consumption was 38.4MB. Max. memory is 16.1GB. [2022-11-16 11:33:56,395 INFO L158 Benchmark]: BuchiAutomizer took 5795.81ms. Allocated memory was 188.7MB in the beginning and 230.7MB in the end (delta: 41.9MB). Free memory was 152.6MB in the beginning and 148.0MB in the end (delta: 4.5MB). Peak memory consumption was 45.4MB. Max. memory is 16.1GB. [2022-11-16 11:33:56,395 INFO L158 Benchmark]: Witness Printer took 4.42ms. Allocated memory is still 230.7MB. Free memory is still 148.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:33:56,397 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 136.3MB. Free memory is still 114.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 936.66ms. Allocated memory is still 136.3MB. Free memory was 95.4MB in the beginning and 85.9MB in the end (delta: 9.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 182.35ms. Allocated memory is still 136.3MB. Free memory was 85.9MB in the beginning and 77.5MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 134.37ms. Allocated memory is still 136.3MB. Free memory was 77.5MB in the beginning and 71.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1909.32ms. Allocated memory was 136.3MB in the beginning and 188.7MB in the end (delta: 52.4MB). Free memory was 71.1MB in the beginning and 152.6MB in the end (delta: -81.4MB). Peak memory consumption was 38.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 5795.81ms. Allocated memory was 188.7MB in the beginning and 230.7MB in the end (delta: 41.9MB). Free memory was 152.6MB in the beginning and 148.0MB in the end (delta: 4.5MB). Peak memory consumption was 45.4MB. Max. memory is 16.1GB. * Witness Printer took 4.42ms. Allocated memory is still 230.7MB. Free memory is still 148.0MB. There was no memory consumed. 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 5.7s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 3.5s. Construction of modules took 0.1s. Büchi inclusion checks took 1.6s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 4. Automata minimization 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 2603 StatesRemovedByMinimization, 4 NontrivialMinimizations. Non-live state removal took 0.1s 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, 4018 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4015 mSDsluCounter, 9629 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5243 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 119 IncrementalHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 4386 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: 49ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 3 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.5s 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 11:33:56,414 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c46ecbea-25db-4ece-b9c9-b6c5dff51821/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2022-11-16 11:33:56,614 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c46ecbea-25db-4ece-b9c9-b6c5dff51821/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