./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/email_spec9_product29.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 9ad7fb26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac05da20-750f-41be-812e-3f28b0ed2695/bin/uautomizer-tBqnrhUYjU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac05da20-750f-41be-812e-3f28b0ed2695/bin/uautomizer-tBqnrhUYjU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac05da20-750f-41be-812e-3f28b0ed2695/bin/uautomizer-tBqnrhUYjU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac05da20-750f-41be-812e-3f28b0ed2695/bin/uautomizer-tBqnrhUYjU/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/email_spec9_product29.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac05da20-750f-41be-812e-3f28b0ed2695/bin/uautomizer-tBqnrhUYjU/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac05da20-750f-41be-812e-3f28b0ed2695/bin/uautomizer-tBqnrhUYjU --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 e2402328b10acba07d45e1b6bd18216e1645c73446d4739f1dc37852ed64162e --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-02 22:40:07,121 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-02 22:40:07,124 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-02 22:40:07,178 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-02 22:40:07,179 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-02 22:40:07,182 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-02 22:40:07,184 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-02 22:40:07,188 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-02 22:40:07,191 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-02 22:40:07,198 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-02 22:40:07,200 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-02 22:40:07,202 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-02 22:40:07,202 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-02 22:40:07,203 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-02 22:40:07,205 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-02 22:40:07,206 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-02 22:40:07,207 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-02 22:40:07,208 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-02 22:40:07,211 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-02 22:40:07,213 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-02 22:40:07,215 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-02 22:40:07,217 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-02 22:40:07,223 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-02 22:40:07,224 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-02 22:40:07,227 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-02 22:40:07,228 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-02 22:40:07,228 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-02 22:40:07,229 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-02 22:40:07,230 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-02 22:40:07,231 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-02 22:40:07,231 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-02 22:40:07,232 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-02 22:40:07,233 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-02 22:40:07,234 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-02 22:40:07,235 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-02 22:40:07,235 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-02 22:40:07,236 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-02 22:40:07,237 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-02 22:40:07,237 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-02 22:40:07,246 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-02 22:40:07,248 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-02 22:40:07,249 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac05da20-750f-41be-812e-3f28b0ed2695/bin/uautomizer-tBqnrhUYjU/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-11-02 22:40:07,300 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-02 22:40:07,300 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-02 22:40:07,301 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-02 22:40:07,301 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-02 22:40:07,302 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-02 22:40:07,302 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-02 22:40:07,302 INFO L138 SettingsManager]: * Use SBE=true [2021-11-02 22:40:07,303 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-02 22:40:07,303 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-02 22:40:07,303 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-02 22:40:07,303 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-02 22:40:07,303 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-02 22:40:07,304 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-02 22:40:07,304 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-02 22:40:07,304 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-02 22:40:07,304 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-02 22:40:07,304 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-02 22:40:07,305 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-02 22:40:07,305 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-02 22:40:07,305 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-02 22:40:07,305 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-02 22:40:07,305 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-02 22:40:07,305 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-02 22:40:07,306 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-02 22:40:07,306 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-02 22:40:07,306 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-02 22:40:07,306 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-02 22:40:07,306 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-02 22:40:07,307 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-02 22:40:07,307 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-02 22:40:07,307 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-02 22:40:07,307 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-02 22:40:07,308 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-02 22:40:07,308 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_ac05da20-750f-41be-812e-3f28b0ed2695/bin/uautomizer-tBqnrhUYjU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac05da20-750f-41be-812e-3f28b0ed2695/bin/uautomizer-tBqnrhUYjU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e2402328b10acba07d45e1b6bd18216e1645c73446d4739f1dc37852ed64162e [2021-11-02 22:40:07,587 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-02 22:40:07,609 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-02 22:40:07,613 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-02 22:40:07,614 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-02 22:40:07,616 INFO L275 PluginConnector]: CDTParser initialized [2021-11-02 22:40:07,617 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac05da20-750f-41be-812e-3f28b0ed2695/bin/uautomizer-tBqnrhUYjU/../../sv-benchmarks/c/product-lines/email_spec9_product29.cil.c [2021-11-02 22:40:07,713 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac05da20-750f-41be-812e-3f28b0ed2695/bin/uautomizer-tBqnrhUYjU/data/169e4a310/db994c49a88644488d29b4fc17752496/FLAG64567858a [2021-11-02 22:40:08,346 INFO L306 CDTParser]: Found 1 translation units. [2021-11-02 22:40:08,346 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac05da20-750f-41be-812e-3f28b0ed2695/sv-benchmarks/c/product-lines/email_spec9_product29.cil.c [2021-11-02 22:40:08,372 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac05da20-750f-41be-812e-3f28b0ed2695/bin/uautomizer-tBqnrhUYjU/data/169e4a310/db994c49a88644488d29b4fc17752496/FLAG64567858a [2021-11-02 22:40:08,562 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac05da20-750f-41be-812e-3f28b0ed2695/bin/uautomizer-tBqnrhUYjU/data/169e4a310/db994c49a88644488d29b4fc17752496 [2021-11-02 22:40:08,564 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-02 22:40:08,565 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-02 22:40:08,567 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-02 22:40:08,567 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-02 22:40:08,570 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-02 22:40:08,571 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 10:40:08" (1/1) ... [2021-11-02 22:40:08,572 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76afc906 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:40:08, skipping insertion in model container [2021-11-02 22:40:08,572 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 10:40:08" (1/1) ... [2021-11-02 22:40:08,579 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-02 22:40:08,681 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-02 22:40:09,363 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac05da20-750f-41be-812e-3f28b0ed2695/sv-benchmarks/c/product-lines/email_spec9_product29.cil.c[65089,65102] [2021-11-02 22:40:09,364 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-02 22:40:09,376 INFO L203 MainTranslator]: Completed pre-run [2021-11-02 22:40:09,522 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac05da20-750f-41be-812e-3f28b0ed2695/sv-benchmarks/c/product-lines/email_spec9_product29.cil.c[65089,65102] [2021-11-02 22:40:09,522 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-02 22:40:09,562 INFO L208 MainTranslator]: Completed translation [2021-11-02 22:40:09,562 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:40:09 WrapperNode [2021-11-02 22:40:09,562 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-02 22:40:09,564 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-02 22:40:09,564 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-02 22:40:09,564 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-02 22:40:09,573 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:40:09" (1/1) ... [2021-11-02 22:40:09,604 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:40:09" (1/1) ... [2021-11-02 22:40:09,816 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-02 22:40:09,817 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-02 22:40:09,817 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-02 22:40:09,817 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-02 22:40:09,826 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:40:09" (1/1) ... [2021-11-02 22:40:09,827 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:40:09" (1/1) ... [2021-11-02 22:40:09,841 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:40:09" (1/1) ... [2021-11-02 22:40:09,841 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:40:09" (1/1) ... [2021-11-02 22:40:09,919 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:40:09" (1/1) ... [2021-11-02 22:40:09,986 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:40:09" (1/1) ... [2021-11-02 22:40:09,997 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:40:09" (1/1) ... [2021-11-02 22:40:10,014 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-02 22:40:10,015 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-02 22:40:10,015 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-02 22:40:10,015 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-02 22:40:10,016 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:40:09" (1/1) ... [2021-11-02 22:40:10,026 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:40:10,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac05da20-750f-41be-812e-3f28b0ed2695/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:40:10,076 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac05da20-750f-41be-812e-3f28b0ed2695/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:40:10,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac05da20-750f-41be-812e-3f28b0ed2695/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-02 22:40:10,131 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-11-02 22:40:10,132 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-02 22:40:10,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-02 22:40:10,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-02 22:40:10,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-02 22:40:13,206 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-02 22:40:13,207 INFO L299 CfgBuilder]: Removed 617 assume(true) statements. [2021-11-02 22:40:13,211 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 10:40:13 BoogieIcfgContainer [2021-11-02 22:40:13,211 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-02 22:40:13,213 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-02 22:40:13,213 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-02 22:40:13,217 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-02 22:40:13,218 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-02 22:40:13,218 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.11 10:40:08" (1/3) ... [2021-11-02 22:40:13,219 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2a258ff0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 10:40:13, skipping insertion in model container [2021-11-02 22:40:13,220 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-02 22:40:13,220 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:40:09" (2/3) ... [2021-11-02 22:40:13,220 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2a258ff0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 10:40:13, skipping insertion in model container [2021-11-02 22:40:13,221 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-02 22:40:13,221 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 10:40:13" (3/3) ... [2021-11-02 22:40:13,222 INFO L389 chiAutomizerObserver]: Analyzing ICFG email_spec9_product29.cil.c [2021-11-02 22:40:13,275 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-02 22:40:13,275 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-02 22:40:13,275 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-02 22:40:13,276 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-02 22:40:13,276 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-02 22:40:13,276 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-02 22:40:13,276 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-02 22:40:13,276 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-02 22:40:13,323 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 998 states, 997 states have (on average 1.7522567703109329) internal successors, (1747), 997 states have internal predecessors, (1747), 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) [2021-11-02 22:40:13,399 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 251 [2021-11-02 22:40:13,400 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-02 22:40:13,400 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-02 22:40:13,412 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:40:13,416 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-11-02 22:40:13,417 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-02 22:40:13,420 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 998 states, 997 states have (on average 1.7522567703109329) internal successors, (1747), 997 states have internal predecessors, (1747), 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) [2021-11-02 22:40:13,439 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 251 [2021-11-02 22:40:13,440 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-02 22:40:13,440 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-02 22:40:13,442 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:40:13,443 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-11-02 22:40:13,449 INFO L791 eck$LassoCheckResult]: Stem: 470#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(28);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(10);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(12);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(10);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(18);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(16);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(13);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(16);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(25);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(17);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(17);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(13);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(17);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(10);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(34);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(16);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(20);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string78.base, #t~string78.offset, 1);call write~init~int(115, #t~string78.base, 1 + #t~string78.offset, 1);call write~init~int(10, #t~string78.base, 2 + #t~string78.offset, 1);call write~init~int(0, #t~string78.base, 3 + #t~string78.offset, 1);call #t~string98.base, #t~string98.offset := #Ultimate.allocOnStack(30);call #t~string99.base, #t~string99.offset := #Ultimate.allocOnStack(9);call #t~string100.base, #t~string100.offset := #Ultimate.allocOnStack(21);call #t~string101.base, #t~string101.offset := #Ultimate.allocOnStack(30);call #t~string102.base, #t~string102.offset := #Ultimate.allocOnStack(9);call #t~string103.base, #t~string103.offset := #Ultimate.allocOnStack(21);call #t~string107.base, #t~string107.offset := #Ultimate.allocOnStack(30);call #t~string108.base, #t~string108.offset := #Ultimate.allocOnStack(9);call #t~string109.base, #t~string109.offset := #Ultimate.allocOnStack(25);call #t~string110.base, #t~string110.offset := #Ultimate.allocOnStack(30);call #t~string111.base, #t~string111.offset := #Ultimate.allocOnStack(9);call #t~string112.base, #t~string112.offset := #Ultimate.allocOnStack(25);call #t~string128.base, #t~string128.offset := #Ultimate.allocOnStack(44);call #t~string133.base, #t~string133.offset := #Ultimate.allocOnStack(44);call #t~string135.base, #t~string135.offset := #Ultimate.allocOnStack(9);call #t~string137.base, #t~string137.offset := #Ultimate.allocOnStack(9);call #t~string139.base, #t~string139.offset := #Ultimate.allocOnStack(11);call #t~string144.base, #t~string144.offset := #Ultimate.allocOnStack(19);call #t~string147.base, #t~string147.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string147.base, #t~string147.offset, 1);call write~init~int(100, #t~string147.base, 1 + #t~string147.offset, 1);call write~init~int(10, #t~string147.base, 2 + #t~string147.offset, 1);call write~init~int(0, #t~string147.base, 3 + #t~string147.offset, 1);call #t~string150.base, #t~string150.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string150.base, #t~string150.offset, 1);call write~init~int(100, #t~string150.base, 1 + #t~string150.offset, 1);call write~init~int(10, #t~string150.base, 2 + #t~string150.offset, 1);call write~init~int(0, #t~string150.base, 3 + #t~string150.offset, 1);~__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;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~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;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0; 904#L-1true havoc main_#res;havoc main_#t~nondet141, main_#t~ret142, main_~retValue_acc~43, main_~tmp~22;main_~retValue_acc~43 := main_#t~nondet141;havoc main_#t~nondet141;havoc main_~tmp~22; 517#L85true havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 772#L93true main_#t~ret142 := valid_product_#res;main_~tmp~22 := main_#t~ret142;havoc main_#t~ret142; 180#L2894true assume 0 != main_~tmp~22;havoc setup_#t~nondet136, setup_#t~nondet138, setup_#t~nondet140, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset, setup_~__cil_tmp3~5.base, setup_~__cil_tmp3~5.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset;havoc setup_~__cil_tmp3~5.base, setup_~__cil_tmp3~5.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setup_bob__wrappee__Base_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__wrappee__Base_~bob___0;setup_bob__wrappee__Base_~bob___0 := setup_bob__wrappee__Base_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__wrappee__Base_~bob___0, setup_bob__wrappee__Base_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 5#L2736true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 475#L2742-2true setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_bob_~bob___0, 123;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 875#L2301true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 577#L2307-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string135.base, #t~string135.offset;havoc setup_#t~nondet136;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0;setup_rjh__wrappee__Base_#in~rjh___0 := setup_rjh_~rjh___0;havoc setup_rjh__wrappee__Base_~rjh___0;setup_rjh__wrappee__Base_~rjh___0 := setup_rjh__wrappee__Base_#in~rjh___0;setClientId_#in~handle, setClientId_#in~value := setup_rjh__wrappee__Base_~rjh___0, setup_rjh__wrappee__Base_~rjh___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 429#L2736-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 41#L2742-5true setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_rjh_~rjh___0, 456;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 248#L2301-2true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 464#L2307-5true setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset := #t~string137.base, #t~string137.offset;havoc setup_#t~nondet138;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0;setup_chuck__wrappee__Base_#in~chuck___0 := setup_chuck_~chuck___0;havoc setup_chuck__wrappee__Base_~chuck___0;setup_chuck__wrappee__Base_~chuck___0 := setup_chuck__wrappee__Base_#in~chuck___0;setClientId_#in~handle, setClientId_#in~value := setup_chuck__wrappee__Base_~chuck___0, setup_chuck__wrappee__Base_~chuck___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 956#L2736-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 639#L2742-8true setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_chuck_~chuck___0, 789;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 353#L2301-4true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 6#L2307-8true setup_~__cil_tmp3~5.base, setup_~__cil_tmp3~5.offset := #t~string139.base, #t~string139.offset;havoc setup_#t~nondet140; 598#L2881true havoc test_#t~nondet115, test_#t~nondet116, test_#t~nondet117, test_#t~nondet118, test_#t~nondet119, test_#t~nondet120, test_#t~nondet121, test_#t~nondet122, test_#t~nondet123, test_#t~nondet124, test_#t~nondet125, test_~op1~0, test_~op2~0, test_~op3~0, test_~op4~0, test_~op5~0, test_~op6~0, test_~op7~0, test_~op8~0, test_~op9~0, test_~op10~0, test_~op11~0, test_~splverifierCounter~0, test_~tmp~18, test_~tmp___0~7, test_~tmp___1~4, test_~tmp___2~4, test_~tmp___3~1, test_~tmp___4~1, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~18;havoc test_~tmp___0~7;havoc test_~tmp___1~4;havoc test_~tmp___2~4;havoc test_~tmp___3~1;havoc test_~tmp___4~1;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 329#L1252-1true [2021-11-02 22:40:13,449 INFO L793 eck$LassoCheckResult]: Loop: 329#L1252-1true assume !false; 874#L1107true assume test_~splverifierCounter~0 < 4; 273#L1108true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 471#L1114true assume !(0 == test_~op1~0); 97#L1127true assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet116;havoc test_#t~nondet116; 673#L1132true assume 0 != test_~tmp___8~0;test_~op2~0 := 1; 329#L1252-1true [2021-11-02 22:40:13,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:40:13,455 INFO L85 PathProgramCache]: Analyzing trace with hash 1291925977, now seen corresponding path program 1 times [2021-11-02 22:40:13,464 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:40:13,465 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533138610] [2021-11-02 22:40:13,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:40:13,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:40:13,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:40:13,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:40:13,854 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:40:13,855 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [533138610] [2021-11-02 22:40:13,856 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [533138610] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:40:13,856 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:40:13,857 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 22:40:13,859 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975111352] [2021-11-02 22:40:13,871 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-02 22:40:13,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:40:13,875 INFO L85 PathProgramCache]: Analyzing trace with hash 590492675, now seen corresponding path program 1 times [2021-11-02 22:40:13,876 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:40:13,876 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882513323] [2021-11-02 22:40:13,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:40:13,877 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:40:13,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:40:13,907 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:40:13,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:40:13,949 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:40:14,014 INFO L210 LassoAnalysis]: Preferences: [2021-11-02 22:40:14,014 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-02 22:40:14,015 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-02 22:40:14,015 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-02 22:40:14,015 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-02 22:40:14,015 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:40:14,015 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-02 22:40:14,016 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-02 22:40:14,016 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec9_product29.cil.c_Iteration1_Loop [2021-11-02 22:40:14,016 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-02 22:40:14,016 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-02 22:40:14,062 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:40:14,071 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:40:14,077 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:40:14,081 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:40:14,164 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-02 22:40:14,164 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-02 22:40:14,166 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:40:14,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac05da20-750f-41be-812e-3f28b0ed2695/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:40:14,170 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac05da20-750f-41be-812e-3f28b0ed2695/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:40:14,178 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-02 22:40:14,178 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-02 22:40:14,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac05da20-750f-41be-812e-3f28b0ed2695/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-02 22:40:14,215 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac05da20-750f-41be-812e-3f28b0ed2695/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2021-11-02 22:40:14,215 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:40:14,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac05da20-750f-41be-812e-3f28b0ed2695/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:40:14,216 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac05da20-750f-41be-812e-3f28b0ed2695/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:40:14,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac05da20-750f-41be-812e-3f28b0ed2695/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-02 22:40:14,221 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-02 22:40:14,221 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-02 22:40:14,240 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-02 22:40:14,266 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac05da20-750f-41be-812e-3f28b0ed2695/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-11-02 22:40:14,266 INFO L210 LassoAnalysis]: Preferences: [2021-11-02 22:40:14,267 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-02 22:40:14,267 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-02 22:40:14,267 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-02 22:40:14,267 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-02 22:40:14,267 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:40:14,267 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-02 22:40:14,267 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-02 22:40:14,267 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec9_product29.cil.c_Iteration1_Loop [2021-11-02 22:40:14,267 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-02 22:40:14,267 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-02 22:40:14,268 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:40:14,288 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:40:14,297 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:40:14,303 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:40:14,370 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-02 22:40:14,375 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-02 22:40:14,376 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:40:14,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac05da20-750f-41be-812e-3f28b0ed2695/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:40:14,377 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac05da20-750f-41be-812e-3f28b0ed2695/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:40:14,387 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 [2021-11-02 22:40:14,397 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:40:14,398 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:40:14,398 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:40:14,398 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:40:14,399 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:40:14,401 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:40:14,402 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:40:14,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac05da20-750f-41be-812e-3f28b0ed2695/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-02 22:40:14,416 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-02 22:40:14,431 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-11-02 22:40:14,432 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-11-02 22:40:14,433 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:40:14,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac05da20-750f-41be-812e-3f28b0ed2695/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:40:14,448 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac05da20-750f-41be-812e-3f28b0ed2695/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:40:14,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac05da20-750f-41be-812e-3f28b0ed2695/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-02 22:40:14,467 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-02 22:40:14,467 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-11-02 22:40:14,468 INFO L513 LassoAnalysis]: Proved termination. [2021-11-02 22:40:14,468 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op2~0) = -2*ULTIMATE.start_test_~op2~0 + 1 Supporting invariants [] [2021-11-02 22:40:14,503 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac05da20-750f-41be-812e-3f28b0ed2695/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-11-02 22:40:14,506 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-11-02 22:40:14,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:40:14,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:40:14,804 INFO L263 TraceCheckSpWp]: Trace formula consists of 658 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-02 22:40:14,808 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:40:14,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:40:14,932 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-02 22:40:14,933 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:40:15,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:40:15,039 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 [2021-11-02 22:40:15,044 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 998 states, 997 states have (on average 1.7522567703109329) internal successors, (1747), 997 states have internal predecessors, (1747), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:40:15,404 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac05da20-750f-41be-812e-3f28b0ed2695/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-11-02 22:40:15,469 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 998 states, 997 states have (on average 1.7522567703109329) internal successors, (1747), 997 states have internal predecessors, (1747), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 4624 states and 8064 transitions. Complement of second has 7 states. [2021-11-02 22:40:15,470 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 [2021-11-02 22:40:15,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:40:15,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 4680 transitions. [2021-11-02 22:40:15,480 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 4680 transitions. Stem has 18 letters. Loop has 6 letters. [2021-11-02 22:40:15,481 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-02 22:40:15,481 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 4680 transitions. Stem has 24 letters. Loop has 6 letters. [2021-11-02 22:40:15,481 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-02 22:40:15,482 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 4680 transitions. Stem has 18 letters. Loop has 12 letters. [2021-11-02 22:40:15,482 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-02 22:40:15,483 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 4624 states and 8064 transitions. [2021-11-02 22:40:15,531 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 501 [2021-11-02 22:40:15,547 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 4624 states to 1035 states and 1896 transitions. [2021-11-02 22:40:15,548 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 532 [2021-11-02 22:40:15,550 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 533 [2021-11-02 22:40:15,551 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1035 states and 1896 transitions. [2021-11-02 22:40:15,553 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-02 22:40:15,553 INFO L681 BuchiCegarLoop]: Abstraction has 1035 states and 1896 transitions. [2021-11-02 22:40:15,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1035 states and 1896 transitions. [2021-11-02 22:40:15,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1035 to 534. [2021-11-02 22:40:15,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 534 states, 534 states have (on average 1.8258426966292134) internal successors, (975), 533 states have internal predecessors, (975), 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) [2021-11-02 22:40:15,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 534 states and 975 transitions. [2021-11-02 22:40:15,613 INFO L704 BuchiCegarLoop]: Abstraction has 534 states and 975 transitions. [2021-11-02 22:40:15,613 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:40:15,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-02 22:40:15,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 22:40:15,618 INFO L87 Difference]: Start difference. First operand 534 states and 975 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:40:15,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:40:15,668 INFO L93 Difference]: Finished difference Result 1048 states and 1915 transitions. [2021-11-02 22:40:15,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 22:40:15,669 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1048 states and 1915 transitions. [2021-11-02 22:40:15,679 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 502 [2021-11-02 22:40:15,689 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1048 states to 1048 states and 1915 transitions. [2021-11-02 22:40:15,690 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 544 [2021-11-02 22:40:15,691 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 544 [2021-11-02 22:40:15,691 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1048 states and 1915 transitions. [2021-11-02 22:40:15,691 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-02 22:40:15,691 INFO L681 BuchiCegarLoop]: Abstraction has 1048 states and 1915 transitions. [2021-11-02 22:40:15,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1048 states and 1915 transitions. [2021-11-02 22:40:15,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1048 to 533. [2021-11-02 22:40:15,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 533 states, 533 states have (on average 1.8217636022514072) internal successors, (971), 532 states have internal predecessors, (971), 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) [2021-11-02 22:40:15,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 533 states and 971 transitions. [2021-11-02 22:40:15,709 INFO L704 BuchiCegarLoop]: Abstraction has 533 states and 971 transitions. [2021-11-02 22:40:15,710 INFO L587 BuchiCegarLoop]: Abstraction has 533 states and 971 transitions. [2021-11-02 22:40:15,710 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-02 22:40:15,710 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 533 states and 971 transitions. [2021-11-02 22:40:15,730 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 251 [2021-11-02 22:40:15,730 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-02 22:40:15,730 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-02 22:40:15,733 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:40:15,733 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:40:15,733 INFO L791 eck$LassoCheckResult]: Stem: 7833#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(28);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(10);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(12);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(10);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(18);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(16);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(13);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(16);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(25);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(17);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(17);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(13);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(17);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(10);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(34);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(16);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(20);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string78.base, #t~string78.offset, 1);call write~init~int(115, #t~string78.base, 1 + #t~string78.offset, 1);call write~init~int(10, #t~string78.base, 2 + #t~string78.offset, 1);call write~init~int(0, #t~string78.base, 3 + #t~string78.offset, 1);call #t~string98.base, #t~string98.offset := #Ultimate.allocOnStack(30);call #t~string99.base, #t~string99.offset := #Ultimate.allocOnStack(9);call #t~string100.base, #t~string100.offset := #Ultimate.allocOnStack(21);call #t~string101.base, #t~string101.offset := #Ultimate.allocOnStack(30);call #t~string102.base, #t~string102.offset := #Ultimate.allocOnStack(9);call #t~string103.base, #t~string103.offset := #Ultimate.allocOnStack(21);call #t~string107.base, #t~string107.offset := #Ultimate.allocOnStack(30);call #t~string108.base, #t~string108.offset := #Ultimate.allocOnStack(9);call #t~string109.base, #t~string109.offset := #Ultimate.allocOnStack(25);call #t~string110.base, #t~string110.offset := #Ultimate.allocOnStack(30);call #t~string111.base, #t~string111.offset := #Ultimate.allocOnStack(9);call #t~string112.base, #t~string112.offset := #Ultimate.allocOnStack(25);call #t~string128.base, #t~string128.offset := #Ultimate.allocOnStack(44);call #t~string133.base, #t~string133.offset := #Ultimate.allocOnStack(44);call #t~string135.base, #t~string135.offset := #Ultimate.allocOnStack(9);call #t~string137.base, #t~string137.offset := #Ultimate.allocOnStack(9);call #t~string139.base, #t~string139.offset := #Ultimate.allocOnStack(11);call #t~string144.base, #t~string144.offset := #Ultimate.allocOnStack(19);call #t~string147.base, #t~string147.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string147.base, #t~string147.offset, 1);call write~init~int(100, #t~string147.base, 1 + #t~string147.offset, 1);call write~init~int(10, #t~string147.base, 2 + #t~string147.offset, 1);call write~init~int(0, #t~string147.base, 3 + #t~string147.offset, 1);call #t~string150.base, #t~string150.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string150.base, #t~string150.offset, 1);call write~init~int(100, #t~string150.base, 1 + #t~string150.offset, 1);call write~init~int(10, #t~string150.base, 2 + #t~string150.offset, 1);call write~init~int(0, #t~string150.base, 3 + #t~string150.offset, 1);~__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;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~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;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0; 7788#L-1 havoc main_#res;havoc main_#t~nondet141, main_#t~ret142, main_~retValue_acc~43, main_~tmp~22;main_~retValue_acc~43 := main_#t~nondet141;havoc main_#t~nondet141;havoc main_~tmp~22; 7477#L85 havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 7471#L93 main_#t~ret142 := valid_product_#res;main_~tmp~22 := main_#t~ret142;havoc main_#t~ret142; 7472#L2894 assume 0 != main_~tmp~22;havoc setup_#t~nondet136, setup_#t~nondet138, setup_#t~nondet140, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset, setup_~__cil_tmp3~5.base, setup_~__cil_tmp3~5.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset;havoc setup_~__cil_tmp3~5.base, setup_~__cil_tmp3~5.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setup_bob__wrappee__Base_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__wrappee__Base_~bob___0;setup_bob__wrappee__Base_~bob___0 := setup_bob__wrappee__Base_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__wrappee__Base_~bob___0, setup_bob__wrappee__Base_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 7335#L2736 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 7336#L2742-2 setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_bob_~bob___0, 123;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 7759#L2301 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 7624#L2307-2 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string135.base, #t~string135.offset;havoc setup_#t~nondet136;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0;setup_rjh__wrappee__Base_#in~rjh___0 := setup_rjh_~rjh___0;havoc setup_rjh__wrappee__Base_~rjh___0;setup_rjh__wrappee__Base_~rjh___0 := setup_rjh__wrappee__Base_#in~rjh___0;setClientId_#in~handle, setClientId_#in~value := setup_rjh__wrappee__Base_~rjh___0, setup_rjh__wrappee__Base_~rjh___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 7625#L2736-2 assume !(1 == setClientId_~handle); 7496#L2739-2 assume 2 == setClientId_~handle;~__ste_client_idCounter1~0 := setClientId_~value; 7494#L2742-5 setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_rjh_~rjh___0, 456;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 7495#L2301-2 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 7790#L2307-5 setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset := #t~string137.base, #t~string137.offset;havoc setup_#t~nondet138;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0;setup_chuck__wrappee__Base_#in~chuck___0 := setup_chuck_~chuck___0;havoc setup_chuck__wrappee__Base_~chuck___0;setup_chuck__wrappee__Base_~chuck___0 := setup_chuck__wrappee__Base_#in~chuck___0;setClientId_#in~handle, setClientId_#in~value := setup_chuck__wrappee__Base_~chuck___0, setup_chuck__wrappee__Base_~chuck___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 7823#L2736-4 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 7773#L2742-8 setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_chuck_~chuck___0, 789;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 7666#L2301-4 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 7338#L2307-8 setup_~__cil_tmp3~5.base, setup_~__cil_tmp3~5.offset := #t~string139.base, #t~string139.offset;havoc setup_#t~nondet140; 7339#L2881 havoc test_#t~nondet115, test_#t~nondet116, test_#t~nondet117, test_#t~nondet118, test_#t~nondet119, test_#t~nondet120, test_#t~nondet121, test_#t~nondet122, test_#t~nondet123, test_#t~nondet124, test_#t~nondet125, test_~op1~0, test_~op2~0, test_~op3~0, test_~op4~0, test_~op5~0, test_~op6~0, test_~op7~0, test_~op8~0, test_~op9~0, test_~op10~0, test_~op11~0, test_~splverifierCounter~0, test_~tmp~18, test_~tmp___0~7, test_~tmp___1~4, test_~tmp___2~4, test_~tmp___3~1, test_~tmp___4~1, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~18;havoc test_~tmp___0~7;havoc test_~tmp___1~4;havoc test_~tmp___2~4;havoc test_~tmp___3~1;havoc test_~tmp___4~1;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 7694#L1252-1 assume !false; 7588#L1107 [2021-11-02 22:40:15,734 INFO L793 eck$LassoCheckResult]: Loop: 7588#L1107 assume test_~splverifierCounter~0 < 4; 7421#L1108 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 7422#L1114 assume !(0 == test_~op1~0); 7390#L1127 assume !(0 == test_~op2~0); 7670#L1138 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet117;havoc test_#t~nondet117; 7602#L1143 assume 0 != test_~tmp___7~0;setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := ~rjh~0, 0;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 7604#L2301-6 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 7384#L2307-11 test_~op3~0 := 1; 7385#L1252-1 assume !false; 7588#L1107 [2021-11-02 22:40:15,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:40:15,734 INFO L85 PathProgramCache]: Analyzing trace with hash -953559564, now seen corresponding path program 1 times [2021-11-02 22:40:15,736 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:40:15,736 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162952339] [2021-11-02 22:40:15,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:40:15,736 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:40:15,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:40:15,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:40:15,887 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:40:15,888 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1162952339] [2021-11-02 22:40:15,888 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1162952339] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:40:15,888 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:40:15,889 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-02 22:40:15,889 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979039432] [2021-11-02 22:40:15,889 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-02 22:40:15,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:40:15,891 INFO L85 PathProgramCache]: Analyzing trace with hash -1296812605, now seen corresponding path program 1 times [2021-11-02 22:40:15,891 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:40:15,891 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102216352] [2021-11-02 22:40:15,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:40:15,893 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:40:15,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:40:15,913 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:40:15,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:40:15,943 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:40:16,059 INFO L210 LassoAnalysis]: Preferences: [2021-11-02 22:40:16,059 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-02 22:40:16,059 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-02 22:40:16,060 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-02 22:40:16,060 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-02 22:40:16,060 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:40:16,060 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-02 22:40:16,060 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-02 22:40:16,060 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec9_product29.cil.c_Iteration2_Loop [2021-11-02 22:40:16,061 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-02 22:40:16,061 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-02 22:40:16,062 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:40:16,069 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:40:16,079 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:40:16,085 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:40:16,092 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:40:16,094 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:40:16,099 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:40:16,245 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-02 22:40:16,245 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-02 22:40:16,245 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:40:16,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac05da20-750f-41be-812e-3f28b0ed2695/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:40:16,247 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac05da20-750f-41be-812e-3f28b0ed2695/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:40:16,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac05da20-750f-41be-812e-3f28b0ed2695/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-02 22:40:16,252 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-02 22:40:16,252 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-02 22:40:16,273 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-02 22:40:16,273 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_setClientPrivateKey_#in~value=0, ULTIMATE.start_setClientPrivateKey_~value=0, ~__ste_client_privateKey0~0=0} Honda state: {ULTIMATE.start_setClientPrivateKey_#in~value=0, ULTIMATE.start_setClientPrivateKey_~value=0, ~__ste_client_privateKey0~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-02 22:40:16,310 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac05da20-750f-41be-812e-3f28b0ed2695/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-11-02 22:40:16,310 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:40:16,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac05da20-750f-41be-812e-3f28b0ed2695/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:40:16,315 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac05da20-750f-41be-812e-3f28b0ed2695/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:40:16,320 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-02 22:40:16,320 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-02 22:40:16,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac05da20-750f-41be-812e-3f28b0ed2695/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-02 22:40:16,385 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac05da20-750f-41be-812e-3f28b0ed2695/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-11-02 22:40:16,385 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:40:16,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac05da20-750f-41be-812e-3f28b0ed2695/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:40:16,387 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac05da20-750f-41be-812e-3f28b0ed2695/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:40:16,392 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-02 22:40:16,393 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-02 22:40:16,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac05da20-750f-41be-812e-3f28b0ed2695/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-02 22:40:16,449 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-02 22:40:16,455 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac05da20-750f-41be-812e-3f28b0ed2695/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-11-02 22:40:16,455 INFO L210 LassoAnalysis]: Preferences: [2021-11-02 22:40:16,455 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-02 22:40:16,455 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-02 22:40:16,455 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-02 22:40:16,455 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-02 22:40:16,456 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:40:16,456 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-02 22:40:16,456 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-02 22:40:16,456 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec9_product29.cil.c_Iteration2_Loop [2021-11-02 22:40:16,456 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-02 22:40:16,456 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-02 22:40:16,458 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:40:16,464 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:40:16,472 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:40:16,476 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:40:16,482 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:40:16,485 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:40:16,493 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:40:16,615 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-02 22:40:16,615 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-02 22:40:16,615 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:40:16,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac05da20-750f-41be-812e-3f28b0ed2695/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:40:16,619 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac05da20-750f-41be-812e-3f28b0ed2695/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:40:16,623 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 [2021-11-02 22:40:16,632 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:40:16,632 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:40:16,632 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:40:16,632 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:40:16,632 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:40:16,634 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:40:16,634 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:40:16,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac05da20-750f-41be-812e-3f28b0ed2695/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-11-02 22:40:16,637 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-02 22:40:16,651 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-11-02 22:40:16,651 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-11-02 22:40:16,651 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:40:16,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac05da20-750f-41be-812e-3f28b0ed2695/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:40:16,653 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac05da20-750f-41be-812e-3f28b0ed2695/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:40:16,659 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-02 22:40:16,659 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-11-02 22:40:16,659 INFO L513 LassoAnalysis]: Proved termination. [2021-11-02 22:40:16,660 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 7 Supporting invariants [] [2021-11-02 22:40:16,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac05da20-750f-41be-812e-3f28b0ed2695/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-11-02 22:40:16,703 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac05da20-750f-41be-812e-3f28b0ed2695/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-11-02 22:40:16,703 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-11-02 22:40:16,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:40:16,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:40:16,886 INFO L263 TraceCheckSpWp]: Trace formula consists of 660 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-02 22:40:16,889 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:40:17,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:40:17,026 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-02 22:40:17,027 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:40:17,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:40:17,166 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 [2021-11-02 22:40:17,167 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 533 states and 971 transitions. cyclomatic complexity: 440 Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:40:17,211 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 533 states and 971 transitions. cyclomatic complexity: 440. Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 1039 states and 1901 transitions. Complement of second has 6 states. [2021-11-02 22:40:17,211 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 [2021-11-02 22:40:17,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:40:17,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 508 transitions. [2021-11-02 22:40:17,212 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 508 transitions. Stem has 20 letters. Loop has 9 letters. [2021-11-02 22:40:17,213 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-02 22:40:17,213 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 508 transitions. Stem has 29 letters. Loop has 9 letters. [2021-11-02 22:40:17,214 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-02 22:40:17,214 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 508 transitions. Stem has 20 letters. Loop has 18 letters. [2021-11-02 22:40:17,218 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-02 22:40:17,218 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1039 states and 1901 transitions. [2021-11-02 22:40:17,228 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-02 22:40:17,229 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1039 states to 0 states and 0 transitions. [2021-11-02 22:40:17,229 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-11-02 22:40:17,229 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-11-02 22:40:17,229 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-11-02 22:40:17,229 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-02 22:40:17,229 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-02 22:40:17,229 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-02 22:40:17,229 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:40:17,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-02 22:40:17,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-02 22:40:17,231 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:40:17,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:40:17,231 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2021-11-02 22:40:17,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:40:17,231 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2021-11-02 22:40:17,231 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-02 22:40:17,232 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2021-11-02 22:40:17,232 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-11-02 22:40:17,232 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-11-02 22:40:17,232 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-11-02 22:40:17,232 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-02 22:40:17,232 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-02 22:40:17,232 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-02 22:40:17,232 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-02 22:40:17,232 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-11-02 22:40:17,233 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-11-02 22:40:17,233 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-02 22:40:17,233 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-11-02 22:40:17,239 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 02.11 10:40:17 BoogieIcfgContainer [2021-11-02 22:40:17,240 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-02 22:40:17,241 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-02 22:40:17,242 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-02 22:40:17,242 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-02 22:40:17,243 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 10:40:13" (3/4) ... [2021-11-02 22:40:17,246 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-02 22:40:17,246 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-02 22:40:17,249 INFO L168 Benchmark]: Toolchain (without parser) took 8681.56 ms. Allocated memory was 113.2 MB in the beginning and 207.6 MB in the end (delta: 94.4 MB). Free memory was 71.4 MB in the beginning and 62.8 MB in the end (delta: 8.7 MB). Peak memory consumption was 103.2 MB. Max. memory is 16.1 GB. [2021-11-02 22:40:17,250 INFO L168 Benchmark]: CDTParser took 0.62 ms. Allocated memory is still 113.2 MB. Free memory is still 90.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-02 22:40:17,256 INFO L168 Benchmark]: CACSL2BoogieTranslator took 996.21 ms. Allocated memory is still 113.2 MB. Free memory was 71.2 MB in the beginning and 60.2 MB in the end (delta: 11.0 MB). Peak memory consumption was 10.8 MB. Max. memory is 16.1 GB. [2021-11-02 22:40:17,257 INFO L168 Benchmark]: Boogie Procedure Inliner took 252.24 ms. Allocated memory was 113.2 MB in the beginning and 138.4 MB in the end (delta: 25.2 MB). Free memory was 60.2 MB in the beginning and 104.4 MB in the end (delta: -44.1 MB). Peak memory consumption was 21.2 MB. Max. memory is 16.1 GB. [2021-11-02 22:40:17,260 INFO L168 Benchmark]: Boogie Preprocessor took 197.43 ms. Allocated memory is still 138.4 MB. Free memory was 104.4 MB in the beginning and 91.8 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-11-02 22:40:17,261 INFO L168 Benchmark]: RCFGBuilder took 3196.74 ms. Allocated memory was 138.4 MB in the beginning and 207.6 MB in the end (delta: 69.2 MB). Free memory was 91.8 MB in the beginning and 137.3 MB in the end (delta: -45.5 MB). Peak memory consumption was 53.1 MB. Max. memory is 16.1 GB. [2021-11-02 22:40:17,262 INFO L168 Benchmark]: BuchiAutomizer took 4027.62 ms. Allocated memory is still 207.6 MB. Free memory was 137.3 MB in the beginning and 62.8 MB in the end (delta: 74.5 MB). Peak memory consumption was 74.6 MB. Max. memory is 16.1 GB. [2021-11-02 22:40:17,265 INFO L168 Benchmark]: Witness Printer took 5.29 ms. Allocated memory is still 207.6 MB. Free memory is still 62.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-02 22:40:17,273 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.62 ms. Allocated memory is still 113.2 MB. Free memory is still 90.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 996.21 ms. Allocated memory is still 113.2 MB. Free memory was 71.2 MB in the beginning and 60.2 MB in the end (delta: 11.0 MB). Peak memory consumption was 10.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 252.24 ms. Allocated memory was 113.2 MB in the beginning and 138.4 MB in the end (delta: 25.2 MB). Free memory was 60.2 MB in the beginning and 104.4 MB in the end (delta: -44.1 MB). Peak memory consumption was 21.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 197.43 ms. Allocated memory is still 138.4 MB. Free memory was 104.4 MB in the beginning and 91.8 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * RCFGBuilder took 3196.74 ms. Allocated memory was 138.4 MB in the beginning and 207.6 MB in the end (delta: 69.2 MB). Free memory was 91.8 MB in the beginning and 137.3 MB in the end (delta: -45.5 MB). Peak memory consumption was 53.1 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 4027.62 ms. Allocated memory is still 207.6 MB. Free memory was 137.3 MB in the beginning and 62.8 MB in the end (delta: 74.5 MB). Peak memory consumption was 74.6 MB. Max. memory is 16.1 GB. * Witness Printer took 5.29 ms. Allocated memory is still 207.6 MB. Free memory is still 62.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (2 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * op2 + 1 and consists of 5 locations. One deterministic module has affine ranking function 7 + -2 * splverifierCounter and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.9s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.0s. Construction of modules took 0.0s. Büchi inclusion checks took 1.5s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 1016 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 533 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 4914 SDtfs, 4420 SDslu, 6461 SDs, 0 SdLazy, 26 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT2 lasso0 LassoPreprocessingBenchmarks: Lassos: inital38 mio100 ax100 hnf100 lsp29 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq189 hnf90 smp100 dnf134 smp100 tf108 neg92 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 92ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-11-02 22:40:17,331 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac05da20-750f-41be-812e-3f28b0ed2695/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-11-02 22:40:17,561 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac05da20-750f-41be-812e-3f28b0ed2695/bin/uautomizer-tBqnrhUYjU/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