./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/email_spec8_product20.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8441048e-d598-4f91-a9a4-a102494ac62f/bin/uautomizer-w2VwFs6gM0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8441048e-d598-4f91-a9a4-a102494ac62f/bin/uautomizer-w2VwFs6gM0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8441048e-d598-4f91-a9a4-a102494ac62f/bin/uautomizer-w2VwFs6gM0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8441048e-d598-4f91-a9a4-a102494ac62f/bin/uautomizer-w2VwFs6gM0/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/email_spec8_product20.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8441048e-d598-4f91-a9a4-a102494ac62f/bin/uautomizer-w2VwFs6gM0/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8441048e-d598-4f91-a9a4-a102494ac62f/bin/uautomizer-w2VwFs6gM0 --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 14180d3cb690799ed57b4096de70e545e9154e30692708de4df58b96eb76a2f0 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 14:55:06,115 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 14:55:06,118 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 14:55:06,179 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 14:55:06,182 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 14:55:06,189 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 14:55:06,193 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 14:55:06,199 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 14:55:06,202 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 14:55:06,212 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 14:55:06,213 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 14:55:06,215 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 14:55:06,216 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 14:55:06,220 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 14:55:06,223 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 14:55:06,231 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 14:55:06,232 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 14:55:06,234 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 14:55:06,237 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 14:55:06,242 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 14:55:06,247 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 14:55:06,249 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 14:55:06,253 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 14:55:06,254 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 14:55:06,261 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 14:55:06,262 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 14:55:06,263 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 14:55:06,265 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 14:55:06,266 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 14:55:06,267 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 14:55:06,269 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 14:55:06,270 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 14:55:06,272 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 14:55:06,274 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 14:55:06,276 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 14:55:06,276 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 14:55:06,277 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 14:55:06,278 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 14:55:06,278 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 14:55:06,279 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 14:55:06,280 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 14:55:06,281 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8441048e-d598-4f91-a9a4-a102494ac62f/bin/uautomizer-w2VwFs6gM0/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-11-22 14:55:06,332 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 14:55:06,332 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 14:55:06,340 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-22 14:55:06,341 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-22 14:55:06,343 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 14:55:06,344 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 14:55:06,344 INFO L138 SettingsManager]: * Use SBE=true [2021-11-22 14:55:06,344 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-22 14:55:06,345 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-22 14:55:06,345 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-22 14:55:06,346 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-22 14:55:06,347 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-22 14:55:06,347 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-22 14:55:06,347 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 14:55:06,347 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 14:55:06,348 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-22 14:55:06,348 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 14:55:06,348 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 14:55:06,348 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 14:55:06,349 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-22 14:55:06,349 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-22 14:55:06,349 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-22 14:55:06,350 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 14:55:06,350 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 14:55:06,350 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-22 14:55:06,350 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 14:55:06,352 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-22 14:55:06,353 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 14:55:06,353 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-22 14:55:06,353 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 14:55:06,353 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-22 14:55:06,354 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-22 14:55:06,355 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-22 14:55:06,355 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_8441048e-d598-4f91-a9a4-a102494ac62f/bin/uautomizer-w2VwFs6gM0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8441048e-d598-4f91-a9a4-a102494ac62f/bin/uautomizer-w2VwFs6gM0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 14180d3cb690799ed57b4096de70e545e9154e30692708de4df58b96eb76a2f0 [2021-11-22 14:55:06,691 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 14:55:06,738 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 14:55:06,741 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 14:55:06,742 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 14:55:06,744 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 14:55:06,745 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8441048e-d598-4f91-a9a4-a102494ac62f/bin/uautomizer-w2VwFs6gM0/../../sv-benchmarks/c/product-lines/email_spec8_product20.cil.c [2021-11-22 14:55:06,838 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8441048e-d598-4f91-a9a4-a102494ac62f/bin/uautomizer-w2VwFs6gM0/data/2b67b945a/d2766b2b7caf4b2e89681d02ea667e8f/FLAG0e1406388 [2021-11-22 14:55:07,619 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 14:55:07,622 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8441048e-d598-4f91-a9a4-a102494ac62f/sv-benchmarks/c/product-lines/email_spec8_product20.cil.c [2021-11-22 14:55:07,669 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8441048e-d598-4f91-a9a4-a102494ac62f/bin/uautomizer-w2VwFs6gM0/data/2b67b945a/d2766b2b7caf4b2e89681d02ea667e8f/FLAG0e1406388 [2021-11-22 14:55:07,771 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8441048e-d598-4f91-a9a4-a102494ac62f/bin/uautomizer-w2VwFs6gM0/data/2b67b945a/d2766b2b7caf4b2e89681d02ea667e8f [2021-11-22 14:55:07,774 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 14:55:07,776 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 14:55:07,780 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 14:55:07,781 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 14:55:07,784 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 14:55:07,785 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:55:07" (1/1) ... [2021-11-22 14:55:07,786 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c6ca361 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:55:07, skipping insertion in model container [2021-11-22 14:55:07,789 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:55:07" (1/1) ... [2021-11-22 14:55:07,799 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 14:55:07,890 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 14:55:08,413 WARN L230 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_8441048e-d598-4f91-a9a4-a102494ac62f/sv-benchmarks/c/product-lines/email_spec8_product20.cil.c[19452,19465] [2021-11-22 14:55:08,678 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 14:55:08,697 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 14:55:08,793 WARN L230 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_8441048e-d598-4f91-a9a4-a102494ac62f/sv-benchmarks/c/product-lines/email_spec8_product20.cil.c[19452,19465] [2021-11-22 14:55:08,859 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 14:55:08,913 INFO L208 MainTranslator]: Completed translation [2021-11-22 14:55:08,915 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:55:08 WrapperNode [2021-11-22 14:55:08,915 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 14:55:08,918 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 14:55:08,918 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 14:55:08,918 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 14:55:08,928 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:55:08" (1/1) ... [2021-11-22 14:55:08,999 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:55:08" (1/1) ... [2021-11-22 14:55:09,173 INFO L137 Inliner]: procedures = 129, calls = 220, calls flagged for inlining = 126, calls inlined = 270, statements flattened = 4000 [2021-11-22 14:55:09,174 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 14:55:09,175 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 14:55:09,175 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 14:55:09,175 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 14:55:09,186 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:55:08" (1/1) ... [2021-11-22 14:55:09,186 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:55:08" (1/1) ... [2021-11-22 14:55:09,198 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:55:08" (1/1) ... [2021-11-22 14:55:09,198 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:55:08" (1/1) ... [2021-11-22 14:55:09,267 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:55:08" (1/1) ... [2021-11-22 14:55:09,300 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:55:08" (1/1) ... [2021-11-22 14:55:09,319 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:55:08" (1/1) ... [2021-11-22 14:55:09,347 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 14:55:09,349 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 14:55:09,350 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 14:55:09,351 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 14:55:09,353 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:55:08" (1/1) ... [2021-11-22 14:55:09,365 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 14:55:09,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8441048e-d598-4f91-a9a4-a102494ac62f/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:55:09,400 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8441048e-d598-4f91-a9a4-a102494ac62f/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 14:55:09,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8441048e-d598-4f91-a9a4-a102494ac62f/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-22 14:55:09,463 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-11-22 14:55:09,463 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 14:55:09,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 14:55:09,463 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 14:55:09,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 14:55:09,817 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 14:55:09,819 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 14:55:12,075 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 14:55:12,102 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 14:55:12,102 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-22 14:55:12,107 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:55:12 BoogieIcfgContainer [2021-11-22 14:55:12,107 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 14:55:12,108 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-22 14:55:12,109 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-22 14:55:12,113 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-22 14:55:12,114 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-22 14:55:12,114 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.11 02:55:07" (1/3) ... [2021-11-22 14:55:12,116 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1ef76ea1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.11 02:55:12, skipping insertion in model container [2021-11-22 14:55:12,116 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-22 14:55:12,116 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:55:08" (2/3) ... [2021-11-22 14:55:12,117 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1ef76ea1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.11 02:55:12, skipping insertion in model container [2021-11-22 14:55:12,117 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-22 14:55:12,117 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:55:12" (3/3) ... [2021-11-22 14:55:12,119 INFO L388 chiAutomizerObserver]: Analyzing ICFG email_spec8_product20.cil.c [2021-11-22 14:55:12,175 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-22 14:55:12,176 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-22 14:55:12,176 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-22 14:55:12,176 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-22 14:55:12,176 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-22 14:55:12,176 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-22 14:55:12,177 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-22 14:55:12,177 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-22 14:55:12,220 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 922 states, 921 states have (on average 1.6829533116178068) internal successors, (1550), 921 states have internal predecessors, (1550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:55:12,335 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 266 [2021-11-22 14:55:12,341 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-22 14:55:12,342 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-22 14:55:12,353 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 14:55:12,353 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 14:55:12,353 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-22 14:55:12,356 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 922 states, 921 states have (on average 1.6829533116178068) internal successors, (1550), 921 states have internal predecessors, (1550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:55:12,384 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 266 [2021-11-22 14:55:12,384 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-22 14:55:12,385 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-22 14:55:12,388 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 14:55:12,388 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 14:55:12,396 INFO L791 eck$LassoCheckResult]: Stem: 457#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(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(4, 16);call write~init~int(37, 16, 0, 1);call write~init~int(115, 16, 1, 1);call write~init~int(10, 16, 2, 1);call write~init~int(0, 16, 3, 1);call #Ultimate.allocInit(17, 17);call #Ultimate.allocInit(17, 18);call #Ultimate.allocInit(13, 19);call #Ultimate.allocInit(17, 20);call #Ultimate.allocInit(10, 21);call #Ultimate.allocInit(12, 22);call #Ultimate.allocInit(10, 23);call #Ultimate.allocInit(18, 24);call #Ultimate.allocInit(16, 25);call #Ultimate.allocInit(21, 26);call #Ultimate.allocInit(44, 27);call #Ultimate.allocInit(44, 28);call #Ultimate.allocInit(9, 29);call #Ultimate.allocInit(9, 30);call #Ultimate.allocInit(11, 31);call #Ultimate.allocInit(19, 32);call #Ultimate.allocInit(4, 33);call write~init~int(37, 33, 0, 1);call write~init~int(100, 33, 1, 1);call write~init~int(10, 33, 2, 1);call write~init~int(0, 33, 3, 1);call #Ultimate.allocInit(4, 34);call write~init~int(37, 34, 0, 1);call write~init~int(100, 34, 1, 1);call write~init~int(10, 34, 2, 1);call write~init~int(0, 34, 3, 1);call #Ultimate.allocInit(10, 35);call #Ultimate.allocInit(34, 36);call #Ultimate.allocInit(30, 37);call #Ultimate.allocInit(16, 38);call #Ultimate.allocInit(20, 39);call #Ultimate.allocInit(22, 40);~head~0.base, ~head~0.offset := 0, 0;~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~in_encrypted~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0; 846#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret69#1, main_~retValue_acc~36#1, main_~tmp~11#1;havoc main_~retValue_acc~36#1;havoc main_~tmp~11#1;assume { :begin_inline_select_helpers } true; 886#L2948true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 108#L2941true 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; 645#L2956true main_#t~ret69#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~11#1 := main_#t~ret69#1;havoc main_#t~ret69#1; 715#L2472true assume 0 != main_~tmp~11#1;assume { :begin_inline_setup } true;havoc setup_#t~nondet66#1, setup_#t~nondet67#1, setup_#t~nondet68#1, setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset, setup_~__cil_tmp2~1#1.base, setup_~__cil_tmp2~1#1.offset, setup_~__cil_tmp3~4#1.base, setup_~__cil_tmp3~4#1.offset;havoc setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset;havoc setup_~__cil_tmp2~1#1.base, setup_~__cil_tmp2~1#1.offset;havoc setup_~__cil_tmp3~4#1.base, setup_~__cil_tmp3~4#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; 379#L1917true assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 809#L1923-2true assume { :end_inline_setClientId } true; 73#L2349true 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; 134#L1482true assume 1 == setClientPrivateKey_~handle#1;~__ste_client_privateKey0~0 := setClientPrivateKey_~value#1; 514#L1488-2true assume { :end_inline_setClientPrivateKey } true; 800#L2360true assume { :end_inline_setup_bob } true;setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset := 29, 0;havoc setup_#t~nondet66#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; 892#L1917-2true assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 355#L1923-5true assume { :end_inline_setClientId } true; 468#L2370true 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; 16#L1482-2true assume 1 == setClientPrivateKey_~handle#1;~__ste_client_privateKey0~0 := setClientPrivateKey_~value#1; 339#L1488-5true assume { :end_inline_setClientPrivateKey } true; 288#L2381true assume { :end_inline_setup_rjh } true;setup_~__cil_tmp2~1#1.base, setup_~__cil_tmp2~1#1.offset := 30, 0;havoc setup_#t~nondet67#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; 432#L1917-4true assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 287#L1923-8true assume { :end_inline_setClientId } true; 770#L2391true 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; 860#L1482-4true assume 1 == setClientPrivateKey_~handle#1;~__ste_client_privateKey0~0 := setClientPrivateKey_~value#1; 240#L1488-8true assume { :end_inline_setClientPrivateKey } true; 667#L2402true assume { :end_inline_setup_chuck } true;setup_~__cil_tmp3~4#1.base, setup_~__cil_tmp3~4#1.offset := 31, 0;havoc setup_#t~nondet68#1; 918#L2459true assume { :end_inline_setup } true;assume { :begin_inline_test } true;havoc test_#t~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_#t~nondet40#1, test_#t~nondet41#1, test_#t~nondet42#1, test_#t~nondet43#1, test_#t~nondet44#1, test_#t~nondet45#1, test_#t~nondet46#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~6#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#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~6#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#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; 858#L2186-1true [2021-11-22 14:55:12,396 INFO L793 eck$LassoCheckResult]: Loop: 858#L2186-1true assume !false; 618#L2038true assume test_~splverifierCounter~0#1 < 4; 155#L2039true test_~splverifierCounter~0#1 := 1 + test_~splverifierCounter~0#1; 51#L2045true assume !(0 == test_~op1~0#1); 99#L2058true assume 0 == test_~op2~0#1;test_~tmp___8~0#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 195#L2063true 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; 312#L1435true assume 1 == setClientAutoResponse_~handle#1;~__ste_client_autoResponse0~0 := setClientAutoResponse_~value#1; 719#L1441-2true assume { :end_inline_setClientAutoResponse } true; 63#L2602true assume { :end_inline_rjhSetAutoRespond } true;test_~op2~0#1 := 1; 858#L2186-1true [2021-11-22 14:55:12,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:55:12,404 INFO L85 PathProgramCache]: Analyzing trace with hash 56074497, now seen corresponding path program 1 times [2021-11-22 14:55:12,415 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:55:12,416 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442274963] [2021-11-22 14:55:12,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:55:12,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:55:12,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:55:12,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:55:12,723 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 14:55:12,723 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442274963] [2021-11-22 14:55:12,724 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [442274963] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 14:55:12,725 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:55:12,725 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 14:55:12,727 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967470988] [2021-11-22 14:55:12,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 14:55:12,733 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-22 14:55:12,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:55:12,735 INFO L85 PathProgramCache]: Analyzing trace with hash 853771930, now seen corresponding path program 1 times [2021-11-22 14:55:12,735 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:55:12,735 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759932126] [2021-11-22 14:55:12,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:55:12,736 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:55:12,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 14:55:12,786 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 14:55:12,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 14:55:12,830 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-22 14:55:12,964 INFO L210 LassoAnalysis]: Preferences: [2021-11-22 14:55:12,965 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-22 14:55:12,965 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-22 14:55:12,965 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-22 14:55:12,965 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-22 14:55:12,965 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 14:55:12,965 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-22 14:55:12,966 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-22 14:55:12,966 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec8_product20.cil.c_Iteration1_Loop [2021-11-22 14:55:12,966 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-22 14:55:12,966 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-22 14:55:12,991 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 14:55:13,017 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 14:55:13,023 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 14:55:13,027 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 14:55:13,034 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 14:55:13,041 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 14:55:13,219 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-22 14:55:13,220 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-22 14:55:13,223 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 14:55:13,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8441048e-d598-4f91-a9a4-a102494ac62f/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:55:13,242 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8441048e-d598-4f91-a9a4-a102494ac62f/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 14:55:13,248 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-22 14:55:13,248 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-22 14:55:13,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8441048e-d598-4f91-a9a4-a102494ac62f/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-22 14:55:13,281 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-22 14:55:13,281 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~__ste_client_autoResponse0~0=1, ULTIMATE.start_setClientAutoResponse_~value#1=1, ULTIMATE.start_setClientAutoResponse_#in~value#1=1} Honda state: {~__ste_client_autoResponse0~0=1, ULTIMATE.start_setClientAutoResponse_~value#1=1, ULTIMATE.start_setClientAutoResponse_#in~value#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-22 14:55:13,328 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8441048e-d598-4f91-a9a4-a102494ac62f/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-11-22 14:55:13,329 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 14:55:13,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8441048e-d598-4f91-a9a4-a102494ac62f/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:55:13,331 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8441048e-d598-4f91-a9a4-a102494ac62f/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 14:55:13,342 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-22 14:55:13,342 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-22 14:55:13,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8441048e-d598-4f91-a9a4-a102494ac62f/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-22 14:55:13,387 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8441048e-d598-4f91-a9a4-a102494ac62f/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-11-22 14:55:13,387 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 14:55:13,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8441048e-d598-4f91-a9a4-a102494ac62f/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:55:13,388 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8441048e-d598-4f91-a9a4-a102494ac62f/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 14:55:13,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8441048e-d598-4f91-a9a4-a102494ac62f/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-22 14:55:13,391 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-22 14:55:13,392 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-22 14:55:13,440 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-22 14:55:13,481 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8441048e-d598-4f91-a9a4-a102494ac62f/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-11-22 14:55:13,481 INFO L210 LassoAnalysis]: Preferences: [2021-11-22 14:55:13,481 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-22 14:55:13,482 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-22 14:55:13,482 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-22 14:55:13,482 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-22 14:55:13,482 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 14:55:13,482 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-22 14:55:13,482 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-22 14:55:13,482 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec8_product20.cil.c_Iteration1_Loop [2021-11-22 14:55:13,482 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-22 14:55:13,483 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-22 14:55:13,485 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 14:55:13,505 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 14:55:13,512 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 14:55:13,521 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 14:55:13,527 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 14:55:13,536 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 14:55:13,668 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-22 14:55:13,673 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-22 14:55:13,675 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 14:55:13,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8441048e-d598-4f91-a9a4-a102494ac62f/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:55:13,680 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8441048e-d598-4f91-a9a4-a102494ac62f/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 14:55:13,689 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 14:55:13,701 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 14:55:13,701 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 14:55:13,702 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 14:55:13,702 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-22 14:55:13,702 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 14:55:13,706 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-22 14:55:13,707 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 14:55:13,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8441048e-d598-4f91-a9a4-a102494ac62f/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-22 14:55:13,720 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 14:55:13,763 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8441048e-d598-4f91-a9a4-a102494ac62f/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-11-22 14:55:13,764 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 14:55:13,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8441048e-d598-4f91-a9a4-a102494ac62f/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:55:13,766 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8441048e-d598-4f91-a9a4-a102494ac62f/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 14:55:13,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8441048e-d598-4f91-a9a4-a102494ac62f/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-22 14:55:13,772 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 14:55:13,783 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 14:55:13,783 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 14:55:13,783 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 14:55:13,783 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 14:55:13,783 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 14:55:13,785 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-22 14:55:13,786 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 14:55:13,800 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-22 14:55:13,813 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-11-22 14:55:13,813 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-11-22 14:55:13,815 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 14:55:13,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8441048e-d598-4f91-a9a4-a102494ac62f/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:55:13,820 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8441048e-d598-4f91-a9a4-a102494ac62f/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 14:55:13,829 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-22 14:55:13,829 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-11-22 14:55:13,829 INFO L513 LassoAnalysis]: Proved termination. [2021-11-22 14:55:13,830 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 [] [2021-11-22 14:55:13,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8441048e-d598-4f91-a9a4-a102494ac62f/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-22 14:55:13,872 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8441048e-d598-4f91-a9a4-a102494ac62f/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-11-22 14:55:13,875 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-11-22 14:55:13,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:55:14,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:55:14,083 INFO L263 TraceCheckSpWp]: Trace formula consists of 572 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-22 14:55:14,090 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 14:55:14,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:55:14,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-22 14:55:14,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 14:55:14,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:55:14,367 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-11-22 14:55:14,372 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 922 states, 921 states have (on average 1.6829533116178068) internal successors, (1550), 921 states have internal predecessors, (1550), 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) [2021-11-22 14:55:14,671 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8441048e-d598-4f91-a9a4-a102494ac62f/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-11-22 14:55:14,832 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 922 states, 921 states have (on average 1.6829533116178068) internal successors, (1550), 921 states have internal predecessors, (1550), 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 4167 states and 6993 transitions. Complement of second has 7 states. [2021-11-22 14:55:14,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-11-22 14:55:14,848 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) [2021-11-22 14:55:14,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 4037 transitions. [2021-11-22 14:55:14,861 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 4037 transitions. Stem has 25 letters. Loop has 9 letters. [2021-11-22 14:55:14,867 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-22 14:55:14,867 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 4037 transitions. Stem has 34 letters. Loop has 9 letters. [2021-11-22 14:55:14,868 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-22 14:55:14,868 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 4037 transitions. Stem has 25 letters. Loop has 18 letters. [2021-11-22 14:55:14,870 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-22 14:55:14,871 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 4167 states and 6993 transitions. [2021-11-22 14:55:14,962 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 521 [2021-11-22 14:55:14,991 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 4167 states to 1087 states and 1951 transitions. [2021-11-22 14:55:14,992 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 559 [2021-11-22 14:55:14,996 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 560 [2021-11-22 14:55:14,997 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1087 states and 1951 transitions. [2021-11-22 14:55:15,007 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-22 14:55:15,007 INFO L681 BuchiCegarLoop]: Abstraction has 1087 states and 1951 transitions. [2021-11-22 14:55:15,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1087 states and 1951 transitions. [2021-11-22 14:55:15,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1087 to 566. [2021-11-22 14:55:15,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 566 states, 566 states have (on average 1.784452296819788) internal successors, (1010), 565 states have internal predecessors, (1010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:55:15,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 566 states and 1010 transitions. [2021-11-22 14:55:15,089 INFO L704 BuchiCegarLoop]: Abstraction has 566 states and 1010 transitions. [2021-11-22 14:55:15,089 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 14:55:15,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 14:55:15,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 14:55:15,095 INFO L87 Difference]: Start difference. First operand 566 states and 1010 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:55:15,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:55:15,159 INFO L93 Difference]: Finished difference Result 1109 states and 1982 transitions. [2021-11-22 14:55:15,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 14:55:15,160 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1109 states and 1982 transitions. [2021-11-22 14:55:15,172 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 522 [2021-11-22 14:55:15,189 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1109 states to 1109 states and 1982 transitions. [2021-11-22 14:55:15,189 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 575 [2021-11-22 14:55:15,192 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 575 [2021-11-22 14:55:15,192 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1109 states and 1982 transitions. [2021-11-22 14:55:15,195 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-22 14:55:15,195 INFO L681 BuchiCegarLoop]: Abstraction has 1109 states and 1982 transitions. [2021-11-22 14:55:15,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1109 states and 1982 transitions. [2021-11-22 14:55:15,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1109 to 565. [2021-11-22 14:55:15,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 565 states, 565 states have (on average 1.7805309734513275) internal successors, (1006), 564 states have internal predecessors, (1006), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:55:15,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 565 states and 1006 transitions. [2021-11-22 14:55:15,229 INFO L704 BuchiCegarLoop]: Abstraction has 565 states and 1006 transitions. [2021-11-22 14:55:15,229 INFO L587 BuchiCegarLoop]: Abstraction has 565 states and 1006 transitions. [2021-11-22 14:55:15,229 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-22 14:55:15,229 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 565 states and 1006 transitions. [2021-11-22 14:55:15,236 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 261 [2021-11-22 14:55:15,236 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-22 14:55:15,236 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-22 14:55:15,244 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 14:55:15,244 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 14:55:15,244 INFO L791 eck$LassoCheckResult]: Stem: 7456#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(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(4, 16);call write~init~int(37, 16, 0, 1);call write~init~int(115, 16, 1, 1);call write~init~int(10, 16, 2, 1);call write~init~int(0, 16, 3, 1);call #Ultimate.allocInit(17, 17);call #Ultimate.allocInit(17, 18);call #Ultimate.allocInit(13, 19);call #Ultimate.allocInit(17, 20);call #Ultimate.allocInit(10, 21);call #Ultimate.allocInit(12, 22);call #Ultimate.allocInit(10, 23);call #Ultimate.allocInit(18, 24);call #Ultimate.allocInit(16, 25);call #Ultimate.allocInit(21, 26);call #Ultimate.allocInit(44, 27);call #Ultimate.allocInit(44, 28);call #Ultimate.allocInit(9, 29);call #Ultimate.allocInit(9, 30);call #Ultimate.allocInit(11, 31);call #Ultimate.allocInit(19, 32);call #Ultimate.allocInit(4, 33);call write~init~int(37, 33, 0, 1);call write~init~int(100, 33, 1, 1);call write~init~int(10, 33, 2, 1);call write~init~int(0, 33, 3, 1);call #Ultimate.allocInit(4, 34);call write~init~int(37, 34, 0, 1);call write~init~int(100, 34, 1, 1);call write~init~int(10, 34, 2, 1);call write~init~int(0, 34, 3, 1);call #Ultimate.allocInit(10, 35);call #Ultimate.allocInit(34, 36);call #Ultimate.allocInit(30, 37);call #Ultimate.allocInit(16, 38);call #Ultimate.allocInit(20, 39);call #Ultimate.allocInit(22, 40);~head~0.base, ~head~0.offset := 0, 0;~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~in_encrypted~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0; 7420#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret69#1, main_~retValue_acc~36#1, main_~tmp~11#1;havoc main_~retValue_acc~36#1;havoc main_~tmp~11#1;assume { :begin_inline_select_helpers } true; 7421#L2948 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 7376#L2941 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; 7377#L2956 main_#t~ret69#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~11#1 := main_#t~ret69#1;havoc main_#t~ret69#1; 7042#L2472 assume 0 != main_~tmp~11#1;assume { :begin_inline_setup } true;havoc setup_#t~nondet66#1, setup_#t~nondet67#1, setup_#t~nondet68#1, setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset, setup_~__cil_tmp2~1#1.base, setup_~__cil_tmp2~1#1.offset, setup_~__cil_tmp3~4#1.base, setup_~__cil_tmp3~4#1.offset;havoc setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset;havoc setup_~__cil_tmp2~1#1.base, setup_~__cil_tmp2~1#1.offset;havoc setup_~__cil_tmp3~4#1.base, setup_~__cil_tmp3~4#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; 7043#L1917 assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 7393#L1923-2 assume { :end_inline_setClientId } true; 7246#L2349 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; 7247#L1482 assume 1 == setClientPrivateKey_~handle#1;~__ste_client_privateKey0~0 := setClientPrivateKey_~value#1; 7116#L1488-2 assume { :end_inline_setClientPrivateKey } true; 7117#L2360 assume { :end_inline_setup_bob } true;setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset := 29, 0;havoc setup_#t~nondet66#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; 7375#L1917-2 assume !(1 == setClientId_~handle#1); 7447#L1920-2 assume 2 == setClientId_~handle#1;~__ste_client_idCounter1~0 := setClientId_~value#1; 7378#L1923-5 assume { :end_inline_setClientId } true; 6893#L2370 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; 6894#L1482-2 assume 1 == setClientPrivateKey_~handle#1;~__ste_client_privateKey0~0 := setClientPrivateKey_~value#1; 6988#L1488-5 assume { :end_inline_setClientPrivateKey } true; 7176#L2381 assume { :end_inline_setup_rjh } true;setup_~__cil_tmp2~1#1.base, setup_~__cil_tmp2~1#1.offset := 30, 0;havoc setup_#t~nondet67#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; 7177#L1917-4 assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 7172#L1923-8 assume { :end_inline_setClientId } true; 7173#L2391 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; 7295#L1482-4 assume 1 == setClientPrivateKey_~handle#1;~__ste_client_privateKey0~0 := setClientPrivateKey_~value#1; 6970#L1488-8 assume { :end_inline_setClientPrivateKey } true; 6971#L2402 assume { :end_inline_setup_chuck } true;setup_~__cil_tmp3~4#1.base, setup_~__cil_tmp3~4#1.offset := 31, 0;havoc setup_#t~nondet68#1; 7455#L2459 assume { :end_inline_setup } true;assume { :begin_inline_test } true;havoc test_#t~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_#t~nondet40#1, test_#t~nondet41#1, test_#t~nondet42#1, test_#t~nondet43#1, test_#t~nondet44#1, test_#t~nondet45#1, test_#t~nondet46#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~6#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#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~6#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#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; 7457#L2186-1 assume !false; 7429#L2038 [2021-11-22 14:55:15,245 INFO L793 eck$LassoCheckResult]: Loop: 7429#L2038 assume test_~splverifierCounter~0#1 < 4; 7418#L2039 test_~splverifierCounter~0#1 := 1 + test_~splverifierCounter~0#1; 7184#L2045 assume !(0 == test_~op1~0#1); 7022#L2058 assume !(0 == test_~op2~0#1); 7338#L2072 assume 0 == test_~op3~0#1;test_~tmp___7~0#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 7431#L2077 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; 7242#L1482-6 assume 1 == setClientPrivateKey_~handle#1;~__ste_client_privateKey0~0 := setClientPrivateKey_~value#1; 7165#L1488-11 assume { :end_inline_setClientPrivateKey } true; 7407#L2572 assume { :end_inline_rjhDeletePrivateKey } true;test_~op3~0#1 := 1; 6912#L2186-1 assume !false; 7429#L2038 [2021-11-22 14:55:15,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:55:15,246 INFO L85 PathProgramCache]: Analyzing trace with hash -1808936504, now seen corresponding path program 1 times [2021-11-22 14:55:15,246 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:55:15,247 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661696545] [2021-11-22 14:55:15,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:55:15,247 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:55:15,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:55:15,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:55:15,469 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 14:55:15,469 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661696545] [2021-11-22 14:55:15,469 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1661696545] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 14:55:15,469 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:55:15,470 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-22 14:55:15,470 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588188043] [2021-11-22 14:55:15,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 14:55:15,470 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-22 14:55:15,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:55:15,471 INFO L85 PathProgramCache]: Analyzing trace with hash -88063911, now seen corresponding path program 1 times [2021-11-22 14:55:15,471 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:55:15,472 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436100377] [2021-11-22 14:55:15,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:55:15,472 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:55:15,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 14:55:15,496 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 14:55:15,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 14:55:15,513 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-22 14:55:15,635 INFO L210 LassoAnalysis]: Preferences: [2021-11-22 14:55:15,636 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-22 14:55:15,636 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-22 14:55:15,636 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-22 14:55:15,636 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-22 14:55:15,636 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 14:55:15,636 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-22 14:55:15,637 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-22 14:55:15,637 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec8_product20.cil.c_Iteration2_Loop [2021-11-22 14:55:15,637 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-22 14:55:15,637 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-22 14:55:15,639 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 14:55:15,643 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 14:55:15,650 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 14:55:15,658 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 14:55:15,665 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 14:55:15,674 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 14:55:15,677 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 14:55:15,815 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-22 14:55:15,815 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-22 14:55:15,816 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 14:55:15,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8441048e-d598-4f91-a9a4-a102494ac62f/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:55:15,820 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8441048e-d598-4f91-a9a4-a102494ac62f/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 14:55:15,828 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-22 14:55:15,828 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-22 14:55:15,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8441048e-d598-4f91-a9a4-a102494ac62f/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-22 14:55:15,852 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-22 14:55:15,852 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: [] [2021-11-22 14:55:15,896 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8441048e-d598-4f91-a9a4-a102494ac62f/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-11-22 14:55:15,896 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 14:55:15,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8441048e-d598-4f91-a9a4-a102494ac62f/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:55:15,898 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8441048e-d598-4f91-a9a4-a102494ac62f/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 14:55:15,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8441048e-d598-4f91-a9a4-a102494ac62f/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-11-22 14:55:15,902 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-22 14:55:15,903 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-22 14:55:15,958 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8441048e-d598-4f91-a9a4-a102494ac62f/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-11-22 14:55:15,958 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 14:55:15,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8441048e-d598-4f91-a9a4-a102494ac62f/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:55:15,964 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8441048e-d598-4f91-a9a4-a102494ac62f/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 14:55:15,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8441048e-d598-4f91-a9a4-a102494ac62f/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-11-22 14:55:15,971 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-22 14:55:15,971 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-22 14:55:16,000 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-22 14:55:16,042 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8441048e-d598-4f91-a9a4-a102494ac62f/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-11-22 14:55:16,042 INFO L210 LassoAnalysis]: Preferences: [2021-11-22 14:55:16,042 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-22 14:55:16,042 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-22 14:55:16,042 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-22 14:55:16,042 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-22 14:55:16,043 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 14:55:16,043 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-22 14:55:16,043 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-22 14:55:16,043 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec8_product20.cil.c_Iteration2_Loop [2021-11-22 14:55:16,043 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-22 14:55:16,043 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-22 14:55:16,045 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 14:55:16,049 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 14:55:16,055 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 14:55:16,062 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 14:55:16,070 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 14:55:16,077 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 14:55:16,080 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 14:55:16,241 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-22 14:55:16,241 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-22 14:55:16,241 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 14:55:16,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8441048e-d598-4f91-a9a4-a102494ac62f/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:55:16,242 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8441048e-d598-4f91-a9a4-a102494ac62f/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 14:55:16,257 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 14:55:16,268 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 14:55:16,268 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 14:55:16,268 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 14:55:16,269 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-22 14:55:16,269 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 14:55:16,271 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-22 14:55:16,271 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 14:55:16,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8441048e-d598-4f91-a9a4-a102494ac62f/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-11-22 14:55:16,282 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 14:55:16,323 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8441048e-d598-4f91-a9a4-a102494ac62f/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-11-22 14:55:16,323 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 14:55:16,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8441048e-d598-4f91-a9a4-a102494ac62f/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:55:16,325 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8441048e-d598-4f91-a9a4-a102494ac62f/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 14:55:16,328 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 14:55:16,338 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 14:55:16,338 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 14:55:16,339 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 14:55:16,339 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 14:55:16,339 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 14:55:16,341 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-22 14:55:16,341 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 14:55:16,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8441048e-d598-4f91-a9a4-a102494ac62f/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-11-22 14:55:16,344 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-22 14:55:16,347 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-11-22 14:55:16,347 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-11-22 14:55:16,347 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 14:55:16,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8441048e-d598-4f91-a9a4-a102494ac62f/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:55:16,352 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8441048e-d598-4f91-a9a4-a102494ac62f/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 14:55:16,356 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-22 14:55:16,356 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-11-22 14:55:16,356 INFO L513 LassoAnalysis]: Proved termination. [2021-11-22 14:55:16,356 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 [] [2021-11-22 14:55:16,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8441048e-d598-4f91-a9a4-a102494ac62f/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-11-22 14:55:16,394 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8441048e-d598-4f91-a9a4-a102494ac62f/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-11-22 14:55:16,395 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-11-22 14:55:16,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:55:16,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:55:16,522 INFO L263 TraceCheckSpWp]: Trace formula consists of 574 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-22 14:55:16,525 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 14:55:16,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:55:16,631 INFO L263 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-22 14:55:16,634 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 14:55:16,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:55:16,710 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-11-22 14:55:16,711 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 565 states and 1006 transitions. cyclomatic complexity: 443 Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:55:16,843 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 565 states and 1006 transitions. cyclomatic complexity: 443. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 2133 states and 3835 transitions. Complement of second has 6 states. [2021-11-22 14:55:16,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-11-22 14:55:16,845 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) [2021-11-22 14:55:16,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1004 transitions. [2021-11-22 14:55:16,849 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 1004 transitions. Stem has 27 letters. Loop has 10 letters. [2021-11-22 14:55:16,860 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-22 14:55:16,860 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 1004 transitions. Stem has 37 letters. Loop has 10 letters. [2021-11-22 14:55:16,861 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-22 14:55:16,862 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 1004 transitions. Stem has 27 letters. Loop has 20 letters. [2021-11-22 14:55:16,864 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-22 14:55:16,866 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2133 states and 3835 transitions. [2021-11-22 14:55:16,893 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 511 [2021-11-22 14:55:16,916 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2133 states to 2123 states and 3819 transitions. [2021-11-22 14:55:16,916 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 551 [2021-11-22 14:55:16,917 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 553 [2021-11-22 14:55:16,917 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2123 states and 3819 transitions. [2021-11-22 14:55:16,919 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-22 14:55:16,919 INFO L681 BuchiCegarLoop]: Abstraction has 2123 states and 3819 transitions. [2021-11-22 14:55:16,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2123 states and 3819 transitions. [2021-11-22 14:55:16,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2123 to 1088. [2021-11-22 14:55:16,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1088 states, 1088 states have (on average 1.7922794117647058) internal successors, (1950), 1087 states have internal predecessors, (1950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:55:16,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1088 states to 1088 states and 1950 transitions. [2021-11-22 14:55:16,960 INFO L704 BuchiCegarLoop]: Abstraction has 1088 states and 1950 transitions. [2021-11-22 14:55:16,960 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 14:55:16,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-22 14:55:16,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-22 14:55:16,963 INFO L87 Difference]: Start difference. First operand 1088 states and 1950 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:55:17,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:55:17,134 INFO L93 Difference]: Finished difference Result 2119 states and 3797 transitions. [2021-11-22 14:55:17,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-22 14:55:17,136 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2119 states and 3797 transitions. [2021-11-22 14:55:17,156 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 506 [2021-11-22 14:55:17,178 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2119 states to 2119 states and 3797 transitions. [2021-11-22 14:55:17,179 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 557 [2021-11-22 14:55:17,180 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 557 [2021-11-22 14:55:17,180 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2119 states and 3797 transitions. [2021-11-22 14:55:17,181 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-22 14:55:17,182 INFO L681 BuchiCegarLoop]: Abstraction has 2119 states and 3797 transitions. [2021-11-22 14:55:17,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2119 states and 3797 transitions. [2021-11-22 14:55:17,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2119 to 1088. [2021-11-22 14:55:17,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1088 states, 1088 states have (on average 1.791360294117647) internal successors, (1949), 1087 states have internal predecessors, (1949), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:55:17,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1088 states to 1088 states and 1949 transitions. [2021-11-22 14:55:17,219 INFO L704 BuchiCegarLoop]: Abstraction has 1088 states and 1949 transitions. [2021-11-22 14:55:17,219 INFO L587 BuchiCegarLoop]: Abstraction has 1088 states and 1949 transitions. [2021-11-22 14:55:17,219 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-11-22 14:55:17,219 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1088 states and 1949 transitions. [2021-11-22 14:55:17,226 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 256 [2021-11-22 14:55:17,227 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-22 14:55:17,227 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-22 14:55:17,228 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 14:55:17,229 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 14:55:17,229 INFO L791 eck$LassoCheckResult]: Stem: 13528#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(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(4, 16);call write~init~int(37, 16, 0, 1);call write~init~int(115, 16, 1, 1);call write~init~int(10, 16, 2, 1);call write~init~int(0, 16, 3, 1);call #Ultimate.allocInit(17, 17);call #Ultimate.allocInit(17, 18);call #Ultimate.allocInit(13, 19);call #Ultimate.allocInit(17, 20);call #Ultimate.allocInit(10, 21);call #Ultimate.allocInit(12, 22);call #Ultimate.allocInit(10, 23);call #Ultimate.allocInit(18, 24);call #Ultimate.allocInit(16, 25);call #Ultimate.allocInit(21, 26);call #Ultimate.allocInit(44, 27);call #Ultimate.allocInit(44, 28);call #Ultimate.allocInit(9, 29);call #Ultimate.allocInit(9, 30);call #Ultimate.allocInit(11, 31);call #Ultimate.allocInit(19, 32);call #Ultimate.allocInit(4, 33);call write~init~int(37, 33, 0, 1);call write~init~int(100, 33, 1, 1);call write~init~int(10, 33, 2, 1);call write~init~int(0, 33, 3, 1);call #Ultimate.allocInit(4, 34);call write~init~int(37, 34, 0, 1);call write~init~int(100, 34, 1, 1);call write~init~int(10, 34, 2, 1);call write~init~int(0, 34, 3, 1);call #Ultimate.allocInit(10, 35);call #Ultimate.allocInit(34, 36);call #Ultimate.allocInit(30, 37);call #Ultimate.allocInit(16, 38);call #Ultimate.allocInit(20, 39);call #Ultimate.allocInit(22, 40);~head~0.base, ~head~0.offset := 0, 0;~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~in_encrypted~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0; 13482#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret69#1, main_~retValue_acc~36#1, main_~tmp~11#1;havoc main_~retValue_acc~36#1;havoc main_~tmp~11#1;assume { :begin_inline_select_helpers } true; 13483#L2948 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 13432#L2941 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; 13433#L2956 main_#t~ret69#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~11#1 := main_#t~ret69#1;havoc main_#t~ret69#1; 13090#L2472 assume 0 != main_~tmp~11#1;assume { :begin_inline_setup } true;havoc setup_#t~nondet66#1, setup_#t~nondet67#1, setup_#t~nondet68#1, setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset, setup_~__cil_tmp2~1#1.base, setup_~__cil_tmp2~1#1.offset, setup_~__cil_tmp3~4#1.base, setup_~__cil_tmp3~4#1.offset;havoc setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset;havoc setup_~__cil_tmp2~1#1.base, setup_~__cil_tmp2~1#1.offset;havoc setup_~__cil_tmp3~4#1.base, setup_~__cil_tmp3~4#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; 13091#L1917 assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 13450#L1923-2 assume { :end_inline_setClientId } true; 13295#L2349 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; 13296#L1482 assume 1 == setClientPrivateKey_~handle#1;~__ste_client_privateKey0~0 := setClientPrivateKey_~value#1; 13166#L1488-2 assume { :end_inline_setClientPrivateKey } true; 13167#L2360 assume { :end_inline_setup_bob } true;setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset := 29, 0;havoc setup_#t~nondet66#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; 13431#L1917-2 assume !(1 == setClientId_~handle#1); 13516#L1920-2 assume 2 == setClientId_~handle#1;~__ste_client_idCounter1~0 := setClientId_~value#1; 13434#L1923-5 assume { :end_inline_setClientId } true; 12941#L2370 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; 12942#L1482-2 assume !(1 == setClientPrivateKey_~handle#1); 13021#L1485-2 assume 2 == setClientPrivateKey_~handle#1;~__ste_client_privateKey1~0 := setClientPrivateKey_~value#1; 13398#L1488-5 assume { :end_inline_setClientPrivateKey } true; 13222#L2381 assume { :end_inline_setup_rjh } true;setup_~__cil_tmp2~1#1.base, setup_~__cil_tmp2~1#1.offset := 30, 0;havoc setup_#t~nondet67#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; 13223#L1917-4 assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 13220#L1923-8 assume { :end_inline_setClientId } true; 13221#L2391 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; 13344#L1482-4 assume 1 == setClientPrivateKey_~handle#1;~__ste_client_privateKey0~0 := setClientPrivateKey_~value#1; 13018#L1488-8 assume { :end_inline_setClientPrivateKey } true; 13019#L2402 assume { :end_inline_setup_chuck } true;setup_~__cil_tmp3~4#1.base, setup_~__cil_tmp3~4#1.offset := 31, 0;havoc setup_#t~nondet68#1; 13526#L2459 assume { :end_inline_setup } true;assume { :begin_inline_test } true;havoc test_#t~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_#t~nondet40#1, test_#t~nondet41#1, test_#t~nondet42#1, test_#t~nondet43#1, test_#t~nondet44#1, test_#t~nondet45#1, test_#t~nondet46#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~6#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#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~6#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#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; 13530#L2186-1 assume !false; 13545#L2038 assume test_~splverifierCounter~0#1 < 4; 13479#L2039 [2021-11-22 14:55:17,230 INFO L793 eck$LassoCheckResult]: Loop: 13479#L2039 test_~splverifierCounter~0#1 := 1 + test_~splverifierCounter~0#1; 13232#L2045 assume !(0 == test_~op1~0#1); 13070#L2058 assume !(0 == test_~op2~0#1); 13389#L2072 assume !(0 == test_~op3~0#1); 13435#L2086 assume !(0 == test_~op4~0#1); 13340#L2100 assume !(0 == test_~op5~0#1); 13160#L2114 assume 0 == test_~op6~0#1;test_~tmp___4~0#1 := test_#t~nondet41#1;havoc test_#t~nondet41#1; 13161#L2119 assume 0 != test_~tmp___4~0#1;test_~op6~0#1 := 1; 12960#L2186-1 assume !false; 13493#L2038 assume test_~splverifierCounter~0#1 < 4; 13479#L2039 [2021-11-22 14:55:17,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:55:17,252 INFO L85 PathProgramCache]: Analyzing trace with hash -1857881969, now seen corresponding path program 1 times [2021-11-22 14:55:17,252 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:55:17,252 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279645783] [2021-11-22 14:55:17,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:55:17,253 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:55:17,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:55:17,356 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8441048e-d598-4f91-a9a4-a102494ac62f/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2021-11-22 14:55:17,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:55:17,372 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 14:55:17,378 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279645783] [2021-11-22 14:55:17,379 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1279645783] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 14:55:17,379 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:55:17,379 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 14:55:17,380 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997919568] [2021-11-22 14:55:17,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 14:55:17,381 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-22 14:55:17,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:55:17,381 INFO L85 PathProgramCache]: Analyzing trace with hash 347519073, now seen corresponding path program 1 times [2021-11-22 14:55:17,382 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:55:17,382 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111433055] [2021-11-22 14:55:17,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:55:17,382 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:55:17,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 14:55:17,402 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 14:55:17,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 14:55:17,424 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-22 14:55:17,516 INFO L210 LassoAnalysis]: Preferences: [2021-11-22 14:55:17,516 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-22 14:55:17,516 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-22 14:55:17,516 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-22 14:55:17,516 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-22 14:55:17,516 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 14:55:17,516 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-22 14:55:17,516 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-22 14:55:17,517 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec8_product20.cil.c_Iteration3_Loop [2021-11-22 14:55:17,517 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-22 14:55:17,517 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-22 14:55:17,518 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 14:55:17,524 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 14:55:17,528 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 14:55:17,534 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 14:55:17,539 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 14:55:17,543 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 14:55:17,546 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 14:55:17,549 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 14:55:17,646 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-22 14:55:17,646 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-22 14:55:17,647 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 14:55:17,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8441048e-d598-4f91-a9a4-a102494ac62f/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:55:17,653 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8441048e-d598-4f91-a9a4-a102494ac62f/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 14:55:17,660 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-22 14:55:17,660 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-22 14:55:17,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8441048e-d598-4f91-a9a4-a102494ac62f/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-11-22 14:55:17,682 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-22 14:55:17,682 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_~tmp___4~0#1=-8, ULTIMATE.start_test_#t~nondet41#1=-8} Honda state: {ULTIMATE.start_test_~tmp___4~0#1=-8, ULTIMATE.start_test_#t~nondet41#1=-8} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-22 14:55:17,740 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8441048e-d598-4f91-a9a4-a102494ac62f/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-11-22 14:55:17,740 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 14:55:17,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8441048e-d598-4f91-a9a4-a102494ac62f/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:55:17,742 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8441048e-d598-4f91-a9a4-a102494ac62f/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 14:55:17,753 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-22 14:55:17,753 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-22 14:55:17,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8441048e-d598-4f91-a9a4-a102494ac62f/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-11-22 14:55:17,776 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-22 14:55:17,776 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: [] [2021-11-22 14:55:17,818 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8441048e-d598-4f91-a9a4-a102494ac62f/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-11-22 14:55:17,818 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 14:55:17,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8441048e-d598-4f91-a9a4-a102494ac62f/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:55:17,820 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8441048e-d598-4f91-a9a4-a102494ac62f/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 14:55:17,826 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-22 14:55:17,826 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-22 14:55:17,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8441048e-d598-4f91-a9a4-a102494ac62f/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-11-22 14:55:17,931 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8441048e-d598-4f91-a9a4-a102494ac62f/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-11-22 14:55:17,931 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 14:55:17,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8441048e-d598-4f91-a9a4-a102494ac62f/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:55:17,934 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8441048e-d598-4f91-a9a4-a102494ac62f/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 14:55:17,940 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-22 14:55:17,940 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-22 14:55:17,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8441048e-d598-4f91-a9a4-a102494ac62f/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-11-22 14:55:18,043 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-22 14:55:18,045 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8441048e-d598-4f91-a9a4-a102494ac62f/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-11-22 14:55:18,045 INFO L210 LassoAnalysis]: Preferences: [2021-11-22 14:55:18,045 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-22 14:55:18,046 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-22 14:55:18,046 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-22 14:55:18,046 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-22 14:55:18,046 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 14:55:18,046 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-22 14:55:18,046 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-22 14:55:18,046 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec8_product20.cil.c_Iteration3_Loop [2021-11-22 14:55:18,046 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-22 14:55:18,046 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-22 14:55:18,047 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 14:55:18,054 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 14:55:18,061 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 14:55:18,067 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 14:55:18,072 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 14:55:18,076 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 14:55:18,081 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 14:55:18,084 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 14:55:18,189 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-22 14:55:18,190 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-22 14:55:18,190 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 14:55:18,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8441048e-d598-4f91-a9a4-a102494ac62f/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:55:18,191 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8441048e-d598-4f91-a9a4-a102494ac62f/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 14:55:18,205 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 14:55:18,216 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 14:55:18,216 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 14:55:18,216 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 14:55:18,216 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-22 14:55:18,216 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 14:55:18,218 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-22 14:55:18,218 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 14:55:18,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8441048e-d598-4f91-a9a4-a102494ac62f/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-11-22 14:55:18,248 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 14:55:18,296 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8441048e-d598-4f91-a9a4-a102494ac62f/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-11-22 14:55:18,296 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 14:55:18,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8441048e-d598-4f91-a9a4-a102494ac62f/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:55:18,297 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8441048e-d598-4f91-a9a4-a102494ac62f/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 14:55:18,305 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 14:55:18,316 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 14:55:18,316 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 14:55:18,316 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 14:55:18,316 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 14:55:18,316 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 14:55:18,318 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-22 14:55:18,318 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 14:55:18,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8441048e-d598-4f91-a9a4-a102494ac62f/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-11-22 14:55:18,333 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-22 14:55:18,337 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-11-22 14:55:18,337 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-11-22 14:55:18,337 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 14:55:18,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8441048e-d598-4f91-a9a4-a102494ac62f/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:55:18,339 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8441048e-d598-4f91-a9a4-a102494ac62f/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 14:55:18,353 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-22 14:55:18,353 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-11-22 14:55:18,353 INFO L513 LassoAnalysis]: Proved termination. [2021-11-22 14:55:18,354 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 [] [2021-11-22 14:55:18,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8441048e-d598-4f91-a9a4-a102494ac62f/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-11-22 14:55:18,399 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8441048e-d598-4f91-a9a4-a102494ac62f/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-11-22 14:55:18,399 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-11-22 14:55:18,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:55:18,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:55:18,527 INFO L263 TraceCheckSpWp]: Trace formula consists of 576 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-22 14:55:18,531 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 14:55:18,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:55:18,622 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-22 14:55:18,623 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 14:55:18,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:55:18,668 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-11-22 14:55:18,669 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1088 states and 1949 transitions. cyclomatic complexity: 865 Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:55:18,733 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1088 states and 1949 transitions. cyclomatic complexity: 865. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 2398 states and 4316 transitions. Complement of second has 4 states. [2021-11-22 14:55:18,733 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 [2021-11-22 14:55:18,734 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) [2021-11-22 14:55:18,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 532 transitions. [2021-11-22 14:55:18,736 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 532 transitions. Stem has 29 letters. Loop has 10 letters. [2021-11-22 14:55:18,736 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-22 14:55:18,736 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 532 transitions. Stem has 39 letters. Loop has 10 letters. [2021-11-22 14:55:18,737 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-22 14:55:18,737 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 532 transitions. Stem has 29 letters. Loop has 20 letters. [2021-11-22 14:55:18,737 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-22 14:55:18,738 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2398 states and 4316 transitions. [2021-11-22 14:55:18,759 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-22 14:55:18,759 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2398 states to 0 states and 0 transitions. [2021-11-22 14:55:18,760 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-11-22 14:55:18,760 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-11-22 14:55:18,760 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-11-22 14:55:18,760 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-22 14:55:18,760 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-22 14:55:18,760 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-22 14:55:18,761 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 14:55:18,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 14:55:18,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 14:55:18,762 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) [2021-11-22 14:55:18,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:55:18,762 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2021-11-22 14:55:18,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-22 14:55:18,763 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2021-11-22 14:55:18,763 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-22 14:55:18,764 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2021-11-22 14:55:18,764 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-11-22 14:55:18,764 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-11-22 14:55:18,764 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-11-22 14:55:18,764 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-22 14:55:18,764 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-22 14:55:18,764 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-22 14:55:18,765 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-22 14:55:18,765 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-11-22 14:55:18,765 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-11-22 14:55:18,765 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-22 14:55:18,765 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-11-22 14:55:18,774 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.11 02:55:18 BoogieIcfgContainer [2021-11-22 14:55:18,774 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-22 14:55:18,775 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-22 14:55:18,775 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-22 14:55:18,775 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-22 14:55:18,776 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:55:12" (3/4) ... [2021-11-22 14:55:18,779 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-22 14:55:18,779 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-22 14:55:18,781 INFO L158 Benchmark]: Toolchain (without parser) took 11003.98ms. Allocated memory was 117.4MB in the beginning and 197.1MB in the end (delta: 79.7MB). Free memory was 80.7MB in the beginning and 68.5MB in the end (delta: 12.3MB). Peak memory consumption was 91.6MB. Max. memory is 16.1GB. [2021-11-22 14:55:18,781 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 75.5MB. Free memory was 51.0MB in the beginning and 50.9MB in the end (delta: 29.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 14:55:18,782 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1135.25ms. Allocated memory is still 117.4MB. Free memory was 80.5MB in the beginning and 67.9MB in the end (delta: 12.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-22 14:55:18,782 INFO L158 Benchmark]: Boogie Procedure Inliner took 256.26ms. Allocated memory is still 117.4MB. Free memory was 67.9MB in the beginning and 53.9MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-22 14:55:18,783 INFO L158 Benchmark]: Boogie Preprocessor took 173.60ms. Allocated memory is still 117.4MB. Free memory was 53.9MB in the beginning and 43.4MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-22 14:55:18,784 INFO L158 Benchmark]: RCFGBuilder took 2758.04ms. Allocated memory was 117.4MB in the beginning and 163.6MB in the end (delta: 46.1MB). Free memory was 42.8MB in the beginning and 98.9MB in the end (delta: -56.1MB). Peak memory consumption was 29.8MB. Max. memory is 16.1GB. [2021-11-22 14:55:18,785 INFO L158 Benchmark]: BuchiAutomizer took 6665.69ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 98.9MB in the beginning and 68.5MB in the end (delta: 30.4MB). Peak memory consumption was 63.9MB. Max. memory is 16.1GB. [2021-11-22 14:55:18,785 INFO L158 Benchmark]: Witness Printer took 4.82ms. Allocated memory is still 197.1MB. Free memory is still 68.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 14:55:18,788 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 75.5MB. Free memory was 51.0MB in the beginning and 50.9MB in the end (delta: 29.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1135.25ms. Allocated memory is still 117.4MB. Free memory was 80.5MB in the beginning and 67.9MB in the end (delta: 12.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 256.26ms. Allocated memory is still 117.4MB. Free memory was 67.9MB in the beginning and 53.9MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 173.60ms. Allocated memory is still 117.4MB. Free memory was 53.9MB in the beginning and 43.4MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 2758.04ms. Allocated memory was 117.4MB in the beginning and 163.6MB in the end (delta: 46.1MB). Free memory was 42.8MB in the beginning and 98.9MB in the end (delta: -56.1MB). Peak memory consumption was 29.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 6665.69ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 98.9MB in the beginning and 68.5MB in the end (delta: 30.4MB). Peak memory consumption was 63.9MB. Max. memory is 16.1GB. * Witness Printer took 4.82ms. Allocated memory is still 197.1MB. Free memory is still 68.5MB. 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 6.6s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 3.8s. Construction of modules took 0.1s. Büchi inclusion checks took 1.9s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 4. Automata minimization 0.2s AutomataMinimizationTime, 4 MinimizatonAttempts, 3131 StatesRemovedByMinimization, 4 NontrivialMinimizations. Non-live state removal took 0.2s Buchi closure took 0.0s. Biggest automaton had 1088 states and ocurred in iteration 2. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6082 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6079 mSDsluCounter, 14789 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8256 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 119 IncrementalHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 6533 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: 46ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 4 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.6s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-11-22 14:55:18,852 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8441048e-d598-4f91-a9a4-a102494ac62f/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-11-22 14:55:19,067 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8441048e-d598-4f91-a9a4-a102494ac62f/bin/uautomizer-w2VwFs6gM0/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