./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/email_spec11_productSimulator.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f8e1c903 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a86447-1f7c-4a03-92b5-040d9afd0cb7/bin/uautomizer-IVEQpCNsaX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a86447-1f7c-4a03-92b5-040d9afd0cb7/bin/uautomizer-IVEQpCNsaX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a86447-1f7c-4a03-92b5-040d9afd0cb7/bin/uautomizer-IVEQpCNsaX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a86447-1f7c-4a03-92b5-040d9afd0cb7/bin/uautomizer-IVEQpCNsaX/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/email_spec11_productSimulator.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a86447-1f7c-4a03-92b5-040d9afd0cb7/bin/uautomizer-IVEQpCNsaX/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a86447-1f7c-4a03-92b5-040d9afd0cb7/bin/uautomizer-IVEQpCNsaX --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 1c5af94617941f44648ac9498189d5e73562b4cbf6ae0ea00b10262137b50bb0 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-f8e1c90 [2021-11-09 09:53:01,575 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-09 09:53:01,577 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-09 09:53:01,612 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-09 09:53:01,613 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-09 09:53:01,615 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-09 09:53:01,617 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-09 09:53:01,620 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-09 09:53:01,623 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-09 09:53:01,624 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-09 09:53:01,626 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-09 09:53:01,628 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-09 09:53:01,629 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-09 09:53:01,630 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-09 09:53:01,632 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-09 09:53:01,635 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-09 09:53:01,636 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-09 09:53:01,638 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-09 09:53:01,641 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-09 09:53:01,644 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-09 09:53:01,646 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-09 09:53:01,648 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-09 09:53:01,650 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-09 09:53:01,652 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-09 09:53:01,656 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-09 09:53:01,658 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-09 09:53:01,659 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-09 09:53:01,660 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-09 09:53:01,661 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-09 09:53:01,662 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-09 09:53:01,663 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-09 09:53:01,664 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-09 09:53:01,665 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-09 09:53:01,666 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-09 09:53:01,668 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-09 09:53:01,668 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-09 09:53:01,668 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-09 09:53:01,669 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-09 09:53:01,669 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-09 09:53:01,674 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-09 09:53:01,675 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-09 09:53:01,676 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a86447-1f7c-4a03-92b5-040d9afd0cb7/bin/uautomizer-IVEQpCNsaX/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-11-09 09:53:01,730 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-09 09:53:01,736 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-09 09:53:01,737 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-09 09:53:01,737 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-09 09:53:01,739 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-09 09:53:01,740 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-09 09:53:01,740 INFO L138 SettingsManager]: * Use SBE=true [2021-11-09 09:53:01,740 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-09 09:53:01,741 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-09 09:53:01,741 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-09 09:53:01,742 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-09 09:53:01,742 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-09 09:53:01,742 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-09 09:53:01,743 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-09 09:53:01,743 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-09 09:53:01,743 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-09 09:53:01,744 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-09 09:53:01,744 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-09 09:53:01,744 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-09 09:53:01,744 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-09 09:53:01,745 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-09 09:53:01,745 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-09 09:53:01,745 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-09 09:53:01,745 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-09 09:53:01,746 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-09 09:53:01,746 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-09 09:53:01,747 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-09 09:53:01,748 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-09 09:53:01,748 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-09 09:53:01,748 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-09 09:53:01,748 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-09 09:53:01,749 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-09 09:53:01,750 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-09 09:53:01,750 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_47a86447-1f7c-4a03-92b5-040d9afd0cb7/bin/uautomizer-IVEQpCNsaX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a86447-1f7c-4a03-92b5-040d9afd0cb7/bin/uautomizer-IVEQpCNsaX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1c5af94617941f44648ac9498189d5e73562b4cbf6ae0ea00b10262137b50bb0 [2021-11-09 09:53:02,152 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-09 09:53:02,184 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-09 09:53:02,187 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-09 09:53:02,189 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-09 09:53:02,190 INFO L275 PluginConnector]: CDTParser initialized [2021-11-09 09:53:02,192 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a86447-1f7c-4a03-92b5-040d9afd0cb7/bin/uautomizer-IVEQpCNsaX/../../sv-benchmarks/c/product-lines/email_spec11_productSimulator.cil.c [2021-11-09 09:53:02,302 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a86447-1f7c-4a03-92b5-040d9afd0cb7/bin/uautomizer-IVEQpCNsaX/data/0d503a533/7dc742edefb441d2b38ee6e13a0bb299/FLAG719950daf [2021-11-09 09:53:03,198 INFO L306 CDTParser]: Found 1 translation units. [2021-11-09 09:53:03,198 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a86447-1f7c-4a03-92b5-040d9afd0cb7/sv-benchmarks/c/product-lines/email_spec11_productSimulator.cil.c [2021-11-09 09:53:03,227 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a86447-1f7c-4a03-92b5-040d9afd0cb7/bin/uautomizer-IVEQpCNsaX/data/0d503a533/7dc742edefb441d2b38ee6e13a0bb299/FLAG719950daf [2021-11-09 09:53:03,262 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a86447-1f7c-4a03-92b5-040d9afd0cb7/bin/uautomizer-IVEQpCNsaX/data/0d503a533/7dc742edefb441d2b38ee6e13a0bb299 [2021-11-09 09:53:03,265 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-09 09:53:03,266 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-09 09:53:03,268 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-09 09:53:03,269 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-09 09:53:03,272 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-09 09:53:03,273 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 09:53:03" (1/1) ... [2021-11-09 09:53:03,275 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@582dc2da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:53:03, skipping insertion in model container [2021-11-09 09:53:03,275 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 09:53:03" (1/1) ... [2021-11-09 09:53:03,282 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-09 09:53:03,380 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-09 09:53:03,990 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_47a86447-1f7c-4a03-92b5-040d9afd0cb7/sv-benchmarks/c/product-lines/email_spec11_productSimulator.cil.c[48047,48060] [2021-11-09 09:53:04,038 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 09:53:04,052 INFO L203 MainTranslator]: Completed pre-run [2021-11-09 09:53:04,166 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_47a86447-1f7c-4a03-92b5-040d9afd0cb7/sv-benchmarks/c/product-lines/email_spec11_productSimulator.cil.c[48047,48060] [2021-11-09 09:53:04,229 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 09:53:04,301 INFO L208 MainTranslator]: Completed translation [2021-11-09 09:53:04,302 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:53:04 WrapperNode [2021-11-09 09:53:04,302 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-09 09:53:04,304 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-09 09:53:04,304 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-09 09:53:04,304 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-09 09:53:04,315 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:53:04" (1/1) ... [2021-11-09 09:53:04,381 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:53:04" (1/1) ... [2021-11-09 09:53:11,069 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-09 09:53:11,070 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-09 09:53:11,070 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-09 09:53:11,070 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-09 09:53:11,078 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:53:04" (1/1) ... [2021-11-09 09:53:11,078 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:53:04" (1/1) ... [2021-11-09 09:53:12,279 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:53:04" (1/1) ... [2021-11-09 09:53:12,279 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:53:04" (1/1) ... [2021-11-09 09:53:14,000 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:53:04" (1/1) ... [2021-11-09 09:53:15,004 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:53:04" (1/1) ... [2021-11-09 09:53:15,454 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:53:04" (1/1) ... [2021-11-09 09:53:16,061 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-09 09:53:16,063 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-09 09:53:16,063 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-09 09:53:16,063 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-09 09:53:16,066 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:53:04" (1/1) ... [2021-11-09 09:53:16,073 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:53:16,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a86447-1f7c-4a03-92b5-040d9afd0cb7/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:53:16,095 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a86447-1f7c-4a03-92b5-040d9afd0cb7/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:53:16,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a86447-1f7c-4a03-92b5-040d9afd0cb7/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-09 09:53:16,139 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-11-09 09:53:16,139 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-09 09:53:16,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-09 09:53:16,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-09 09:53:16,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-09 09:54:10,088 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-09 09:54:10,088 INFO L299 CfgBuilder]: Removed 39195 assume(true) statements. [2021-11-09 09:54:10,128 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 09:54:10 BoogieIcfgContainer [2021-11-09 09:54:10,128 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-09 09:54:10,130 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-09 09:54:10,130 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-09 09:54:10,133 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-09 09:54:10,134 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-09 09:54:10,134 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 09.11 09:53:03" (1/3) ... [2021-11-09 09:54:10,135 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6253d7aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.11 09:54:10, skipping insertion in model container [2021-11-09 09:54:10,136 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-09 09:54:10,136 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:53:04" (2/3) ... [2021-11-09 09:54:10,136 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6253d7aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.11 09:54:10, skipping insertion in model container [2021-11-09 09:54:10,137 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-09 09:54:10,137 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 09:54:10" (3/3) ... [2021-11-09 09:54:10,139 INFO L389 chiAutomizerObserver]: Analyzing ICFG email_spec11_productSimulator.cil.c [2021-11-09 09:54:10,194 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-09 09:54:10,195 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-09 09:54:10,195 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-09 09:54:10,195 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-09 09:54:10,195 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-09 09:54:10,196 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-09 09:54:10,196 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-09 09:54:10,196 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-09 09:54:10,982 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 37524 states, 37523 states have (on average 1.5920635343655891) internal successors, (59739), 37523 states have internal predecessors, (59739), 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) [2021-11-09 09:54:12,056 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 270 [2021-11-09 09:54:12,057 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-09 09:54:12,057 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-09 09:54:12,073 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:54:12,074 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:54:12,074 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-09 09:54:12,136 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 37524 states, 37523 states have (on average 1.5920635343655891) internal successors, (59739), 37523 states have internal predecessors, (59739), 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) [2021-11-09 09:54:12,665 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 270 [2021-11-09 09:54:12,665 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-09 09:54:12,665 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-09 09:54:12,674 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:54:12,674 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:54:12,691 INFO L791 eck$LassoCheckResult]: Stem: 26351#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(36);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(10);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(34);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(30);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(16);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(20);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(22);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(21);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(44);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(44);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(9);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(11);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(19);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string72.base, #t~string72.offset, 1);call write~init~int(100, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(10, #t~string72.base, 2 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 3 + #t~string72.offset, 1);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string75.base, #t~string75.offset, 1);call write~init~int(100, #t~string75.base, 1 + #t~string75.offset, 1);call write~init~int(10, #t~string75.base, 2 + #t~string75.offset, 1);call write~init~int(0, #t~string75.base, 3 + #t~string75.offset, 1);call #t~string100.base, #t~string100.offset := #Ultimate.allocOnStack(30);call #t~string101.base, #t~string101.offset := #Ultimate.allocOnStack(9);call #t~string102.base, #t~string102.offset := #Ultimate.allocOnStack(21);call #t~string103.base, #t~string103.offset := #Ultimate.allocOnStack(30);call #t~string104.base, #t~string104.offset := #Ultimate.allocOnStack(9);call #t~string105.base, #t~string105.offset := #Ultimate.allocOnStack(21);call #t~string109.base, #t~string109.offset := #Ultimate.allocOnStack(30);call #t~string110.base, #t~string110.offset := #Ultimate.allocOnStack(9);call #t~string111.base, #t~string111.offset := #Ultimate.allocOnStack(25);call #t~string112.base, #t~string112.offset := #Ultimate.allocOnStack(30);call #t~string113.base, #t~string113.offset := #Ultimate.allocOnStack(9);call #t~string114.base, #t~string114.offset := #Ultimate.allocOnStack(25);call #t~string118.base, #t~string118.offset := #Ultimate.allocOnStack(10);call #t~string121.base, #t~string121.offset := #Ultimate.allocOnStack(12);call #t~string124.base, #t~string124.offset := #Ultimate.allocOnStack(10);call #t~string127.base, #t~string127.offset := #Ultimate.allocOnStack(18);call #t~string130.base, #t~string130.offset := #Ultimate.allocOnStack(16);call #t~string133.base, #t~string133.offset := #Ultimate.allocOnStack(21);call #t~string136.base, #t~string136.offset := #Ultimate.allocOnStack(13);call #t~string139.base, #t~string139.offset := #Ultimate.allocOnStack(16);call #t~string142.base, #t~string142.offset := #Ultimate.allocOnStack(25);call #t~string148.base, #t~string148.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string148.base, #t~string148.offset, 1);call write~init~int(115, #t~string148.base, 1 + #t~string148.offset, 1);call write~init~int(10, #t~string148.base, 2 + #t~string148.offset, 1);call write~init~int(0, #t~string148.base, 3 + #t~string148.offset, 1);call #t~string163.base, #t~string163.offset := #Ultimate.allocOnStack(20);~__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;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~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; 23455#L-1true havoc main_#res;havoc main_#t~ret67, main_~retValue_acc~7, main_~tmp~14;havoc main_~retValue_acc~7;havoc main_~tmp~14;~__GUIDSL_ROOT_PRODUCTION~0 := 1; 30167#L96true havoc select_features_#t~ret8, select_features_#t~ret9, select_features_#t~ret10, select_features_#t~ret11, select_features_#t~ret12, select_features_#t~ret13, select_features_#t~ret14, select_features_#t~ret15;havoc select_one_#res;havoc select_one_#t~nondet7, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet7;havoc select_one_#t~nondet7;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 25277#L69true select_features_#t~ret8 := select_one_#res;~__SELECTED_FEATURE_Base~0 := select_features_#t~ret8;havoc select_features_#t~ret8;havoc select_one_#res;havoc select_one_#t~nondet7, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet7;havoc select_one_#t~nondet7;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 8847#L69-1true select_features_#t~ret9 := select_one_#res;~__SELECTED_FEATURE_Keys~0 := select_features_#t~ret9;havoc select_features_#t~ret9;havoc select_one_#res;havoc select_one_#t~nondet7, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet7;havoc select_one_#t~nondet7;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 5188#L69-2true select_features_#t~ret10 := select_one_#res;~__SELECTED_FEATURE_Encrypt~0 := select_features_#t~ret10;havoc select_features_#t~ret10;~__SELECTED_FEATURE_AutoResponder~0 := 1;havoc select_one_#res;havoc select_one_#t~nondet7, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet7;havoc select_one_#t~nondet7;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 23311#L69-3true select_features_#t~ret11 := select_one_#res;~__SELECTED_FEATURE_AddressBook~0 := select_features_#t~ret11;havoc select_features_#t~ret11;havoc select_one_#res;havoc select_one_#t~nondet7, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet7;havoc select_one_#t~nondet7;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 15821#L69-4true select_features_#t~ret12 := select_one_#res;~__SELECTED_FEATURE_Sign~0 := select_features_#t~ret12;havoc select_features_#t~ret12;havoc select_one_#res;havoc select_one_#t~nondet7, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet7;havoc select_one_#t~nondet7;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 25443#L69-5true select_features_#t~ret13 := select_one_#res;~__SELECTED_FEATURE_Forward~0 := select_features_#t~ret13;havoc select_features_#t~ret13;havoc select_one_#res;havoc select_one_#t~nondet7, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet7;havoc select_one_#t~nondet7;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 20304#L69-6true select_features_#t~ret14 := select_one_#res;~__SELECTED_FEATURE_Verify~0 := select_features_#t~ret14;havoc select_features_#t~ret14;havoc select_one_#res;havoc select_one_#t~nondet7, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet7;havoc select_one_#t~nondet7;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 34491#L69-7true select_features_#t~ret15 := select_one_#res;~__SELECTED_FEATURE_Decrypt~0 := select_features_#t~ret15;havoc select_features_#t~ret15; 17901#L88true havoc valid_product_#res;havoc valid_product_~retValue_acc~1, valid_product_~tmp~0;havoc valid_product_~retValue_acc~1;havoc valid_product_~tmp~0; 30230#L104true assume !(0 == ~__SELECTED_FEATURE_Encrypt~0); 32332#L107true assume !(0 != ~__SELECTED_FEATURE_Decrypt~0);valid_product_~tmp~0 := 0; 15181#L107-1true valid_product_~retValue_acc~1 := valid_product_~tmp~0;valid_product_#res := valid_product_~retValue_acc~1; 20516#L164true main_#t~ret67 := valid_product_#res;main_~tmp~14 := main_#t~ret67;havoc main_#t~ret67; 34689#L970true assume 0 != main_~tmp~14;havoc setup_#t~nondet62, setup_#t~nondet64, setup_#t~nondet66, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.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; 15129#L814true assume !(0 != ~__SELECTED_FEATURE_Keys~0);setup_bob__before__Keys_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__before__Keys_~bob___0;setup_bob__before__Keys_~bob___0 := setup_bob__before__Keys_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__before__Keys_~bob___0, setup_bob__before__Keys_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 8248#L3431-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 23822#L3437-5true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string61.base, #t~string61.offset;havoc setup_#t~nondet62;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0; 31178#L852true assume !(0 != ~__SELECTED_FEATURE_Keys~0);setup_rjh__before__Keys_#in~rjh___0 := setup_rjh_~rjh___0;havoc setup_rjh__before__Keys_~rjh___0;setup_rjh__before__Keys_~rjh___0 := setup_rjh__before__Keys_#in~rjh___0;setClientId_#in~handle, setClientId_#in~value := setup_rjh__before__Keys_~rjh___0, setup_rjh__before__Keys_~rjh___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 16851#L3431-6true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 516#L3437-11true setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string63.base, #t~string63.offset;havoc setup_#t~nondet64;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0; 16184#L890true assume !(0 != ~__SELECTED_FEATURE_Keys~0);setup_chuck__before__Keys_#in~chuck___0 := setup_chuck_~chuck___0;havoc setup_chuck__before__Keys_~chuck___0;setup_chuck__before__Keys_~chuck___0 := setup_chuck__before__Keys_#in~chuck___0;setClientId_#in~handle, setClientId_#in~value := setup_chuck__before__Keys_~chuck___0, setup_chuck__before__Keys_~chuck___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 14184#L3431-10true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 32242#L3437-17true setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset := #t~string65.base, #t~string65.offset;havoc setup_#t~nondet66; 2158#L957true havoc test_#t~nondet150, test_#t~nondet151, test_#t~nondet152, test_#t~nondet153, test_#t~nondet154, test_#t~nondet155, test_#t~nondet156, test_#t~nondet157, test_#t~nondet158, test_#t~nondet159, test_#t~nondet160, 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~24, test_~tmp___0~9, test_~tmp___1~5, 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~24;havoc test_~tmp___0~9;havoc test_~tmp___1~5;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; 7288#L2344-1true [2021-11-09 09:54:12,692 INFO L793 eck$LassoCheckResult]: Loop: 7288#L2344-1true assume !false; 18770#L2153true assume test_~splverifierCounter~0 < 4; 18965#L2154true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 5402#L2160true assume 0 == test_~op1~0;test_~tmp___9~0 := test_#t~nondet150;havoc test_#t~nondet150; 35683#L2164true assume 0 != test_~tmp___9~0; 5942#L2165true assume !(0 != ~__SELECTED_FEATURE_Keys~0); 4338#L2165-1true test_~op1~0 := 1; 7288#L2344-1true [2021-11-09 09:54:12,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:54:12,705 INFO L85 PathProgramCache]: Analyzing trace with hash -2102633898, now seen corresponding path program 1 times [2021-11-09 09:54:12,717 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:54:12,718 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608627555] [2021-11-09 09:54:12,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:54:12,720 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:54:13,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:54:13,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:54:13,244 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:54:13,245 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608627555] [2021-11-09 09:54:13,247 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1608627555] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:54:13,247 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:54:13,248 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-09 09:54:13,250 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380289032] [2021-11-09 09:54:13,264 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-09 09:54:13,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:54:13,271 INFO L85 PathProgramCache]: Analyzing trace with hash 569592791, now seen corresponding path program 1 times [2021-11-09 09:54:13,271 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:54:13,271 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865650239] [2021-11-09 09:54:13,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:54:13,272 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:54:13,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 09:54:13,286 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 09:54:13,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 09:54:13,336 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 09:54:13,399 INFO L210 LassoAnalysis]: Preferences: [2021-11-09 09:54:13,400 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-09 09:54:13,400 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-09 09:54:13,400 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-09 09:54:13,400 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-09 09:54:13,400 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:54:13,401 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-09 09:54:13,401 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-09 09:54:13,401 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec11_productSimulator.cil.c_Iteration1_Loop [2021-11-09 09:54:13,402 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-09 09:54:13,402 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-09 09:54:13,421 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:54:13,429 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:54:13,434 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:54:13,440 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:54:13,523 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-09 09:54:13,524 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-09 09:54:13,527 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:54:13,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a86447-1f7c-4a03-92b5-040d9afd0cb7/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:54:13,535 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a86447-1f7c-4a03-92b5-040d9afd0cb7/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:54:13,544 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-09 09:54:13,544 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-09 09:54:13,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a86447-1f7c-4a03-92b5-040d9afd0cb7/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-09 09:54:13,601 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a86447-1f7c-4a03-92b5-040d9afd0cb7/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-11-09 09:54:13,602 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:54:13,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a86447-1f7c-4a03-92b5-040d9afd0cb7/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:54:13,603 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a86447-1f7c-4a03-92b5-040d9afd0cb7/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:54:13,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a86447-1f7c-4a03-92b5-040d9afd0cb7/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-09 09:54:13,606 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-09 09:54:13,607 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-09 09:54:13,630 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-09 09:54:13,663 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a86447-1f7c-4a03-92b5-040d9afd0cb7/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-11-09 09:54:13,663 INFO L210 LassoAnalysis]: Preferences: [2021-11-09 09:54:13,664 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-09 09:54:13,664 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-09 09:54:13,664 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-09 09:54:13,664 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-09 09:54:13,664 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:54:13,664 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-09 09:54:13,664 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-09 09:54:13,665 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec11_productSimulator.cil.c_Iteration1_Loop [2021-11-09 09:54:13,665 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-09 09:54:13,665 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-09 09:54:13,666 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:54:13,671 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:54:13,679 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:54:13,682 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:54:13,745 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-09 09:54:13,750 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-09 09:54:13,751 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:54:13,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a86447-1f7c-4a03-92b5-040d9afd0cb7/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:54:13,753 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a86447-1f7c-4a03-92b5-040d9afd0cb7/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:54:13,754 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 [2021-11-09 09:54:13,764 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:54:13,764 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:54:13,765 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:54:13,765 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:54:13,765 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 09:54:13,767 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 09:54:13,768 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:54:13,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a86447-1f7c-4a03-92b5-040d9afd0cb7/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-09 09:54:13,786 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-09 09:54:13,799 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-11-09 09:54:13,799 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-11-09 09:54:13,801 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:54:13,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a86447-1f7c-4a03-92b5-040d9afd0cb7/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:54:13,820 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a86447-1f7c-4a03-92b5-040d9afd0cb7/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:54:13,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a86447-1f7c-4a03-92b5-040d9afd0cb7/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-09 09:54:13,871 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-09 09:54:13,871 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-11-09 09:54:13,872 INFO L513 LassoAnalysis]: Proved termination. [2021-11-09 09:54:13,872 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op1~0) = -2*ULTIMATE.start_test_~op1~0 + 1 Supporting invariants [] [2021-11-09 09:54:13,962 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a86447-1f7c-4a03-92b5-040d9afd0cb7/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2021-11-09 09:54:13,965 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-11-09 09:54:13,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:54:14,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:54:14,212 INFO L263 TraceCheckSpWp]: Trace formula consists of 676 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-09 09:54:14,218 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 09:54:14,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:54:14,411 INFO L263 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-09 09:54:14,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 09:54:14,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:54:14,523 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 [2021-11-09 09:54:14,569 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 37524 states, 37523 states have (on average 1.5920635343655891) internal successors, (59739), 37523 states have internal predecessors, (59739), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:54:15,670 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a86447-1f7c-4a03-92b5-040d9afd0cb7/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-11-09 09:54:22,500 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 37524 states, 37523 states have (on average 1.5920635343655891) internal successors, (59739), 37523 states have internal predecessors, (59739), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 186991 states and 297056 transitions. Complement of second has 7 states. [2021-11-09 09:54:22,501 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 [2021-11-09 09:54:22,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:54:22,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 178404 transitions. [2021-11-09 09:54:22,862 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 178404 transitions. Stem has 27 letters. Loop has 7 letters. [2021-11-09 09:54:22,864 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-09 09:54:22,865 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 178404 transitions. Stem has 34 letters. Loop has 7 letters. [2021-11-09 09:54:22,865 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-09 09:54:22,866 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 178404 transitions. Stem has 27 letters. Loop has 14 letters. [2021-11-09 09:54:22,867 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-09 09:54:22,868 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 186991 states and 297056 transitions. [2021-11-09 09:54:25,054 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 435 [2021-11-09 09:54:25,075 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 186991 states to 990 states and 1812 transitions. [2021-11-09 09:54:25,077 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 501 [2021-11-09 09:54:25,079 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 502 [2021-11-09 09:54:25,080 INFO L73 IsDeterministic]: Start isDeterministic. Operand 990 states and 1812 transitions. [2021-11-09 09:54:25,088 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-09 09:54:25,088 INFO L681 BuchiCegarLoop]: Abstraction has 990 states and 1812 transitions. [2021-11-09 09:54:25,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 990 states and 1812 transitions. [2021-11-09 09:54:25,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 990 to 555. [2021-11-09 09:54:25,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 555 states, 555 states have (on average 1.8216216216216217) internal successors, (1011), 554 states have internal predecessors, (1011), 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) [2021-11-09 09:54:25,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 555 states and 1011 transitions. [2021-11-09 09:54:25,195 INFO L704 BuchiCegarLoop]: Abstraction has 555 states and 1011 transitions. [2021-11-09 09:54:25,195 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:54:25,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-09 09:54:25,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-09 09:54:25,203 INFO L87 Difference]: Start difference. First operand 555 states and 1011 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:54:25,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:54:25,287 INFO L93 Difference]: Finished difference Result 558 states and 1013 transitions. [2021-11-09 09:54:25,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-09 09:54:25,288 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 558 states and 1013 transitions. [2021-11-09 09:54:25,292 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 218 [2021-11-09 09:54:25,297 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 558 states to 555 states and 1004 transitions. [2021-11-09 09:54:25,298 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 284 [2021-11-09 09:54:25,298 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 284 [2021-11-09 09:54:25,298 INFO L73 IsDeterministic]: Start isDeterministic. Operand 555 states and 1004 transitions. [2021-11-09 09:54:25,299 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-09 09:54:25,299 INFO L681 BuchiCegarLoop]: Abstraction has 555 states and 1004 transitions. [2021-11-09 09:54:25,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 555 states and 1004 transitions. [2021-11-09 09:54:25,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 555 to 555. [2021-11-09 09:54:25,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 555 states, 555 states have (on average 1.809009009009009) internal successors, (1004), 554 states have internal predecessors, (1004), 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) [2021-11-09 09:54:25,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 555 states and 1004 transitions. [2021-11-09 09:54:25,313 INFO L704 BuchiCegarLoop]: Abstraction has 555 states and 1004 transitions. [2021-11-09 09:54:25,314 INFO L587 BuchiCegarLoop]: Abstraction has 555 states and 1004 transitions. [2021-11-09 09:54:25,314 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-09 09:54:25,314 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 555 states and 1004 transitions. [2021-11-09 09:54:25,316 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 218 [2021-11-09 09:54:25,316 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-09 09:54:25,316 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-09 09:54:25,318 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:54:25,318 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:54:25,319 INFO L791 eck$LassoCheckResult]: Stem: 226317#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(36);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(10);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(34);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(30);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(16);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(20);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(22);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(21);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(44);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(44);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(9);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(11);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(19);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string72.base, #t~string72.offset, 1);call write~init~int(100, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(10, #t~string72.base, 2 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 3 + #t~string72.offset, 1);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string75.base, #t~string75.offset, 1);call write~init~int(100, #t~string75.base, 1 + #t~string75.offset, 1);call write~init~int(10, #t~string75.base, 2 + #t~string75.offset, 1);call write~init~int(0, #t~string75.base, 3 + #t~string75.offset, 1);call #t~string100.base, #t~string100.offset := #Ultimate.allocOnStack(30);call #t~string101.base, #t~string101.offset := #Ultimate.allocOnStack(9);call #t~string102.base, #t~string102.offset := #Ultimate.allocOnStack(21);call #t~string103.base, #t~string103.offset := #Ultimate.allocOnStack(30);call #t~string104.base, #t~string104.offset := #Ultimate.allocOnStack(9);call #t~string105.base, #t~string105.offset := #Ultimate.allocOnStack(21);call #t~string109.base, #t~string109.offset := #Ultimate.allocOnStack(30);call #t~string110.base, #t~string110.offset := #Ultimate.allocOnStack(9);call #t~string111.base, #t~string111.offset := #Ultimate.allocOnStack(25);call #t~string112.base, #t~string112.offset := #Ultimate.allocOnStack(30);call #t~string113.base, #t~string113.offset := #Ultimate.allocOnStack(9);call #t~string114.base, #t~string114.offset := #Ultimate.allocOnStack(25);call #t~string118.base, #t~string118.offset := #Ultimate.allocOnStack(10);call #t~string121.base, #t~string121.offset := #Ultimate.allocOnStack(12);call #t~string124.base, #t~string124.offset := #Ultimate.allocOnStack(10);call #t~string127.base, #t~string127.offset := #Ultimate.allocOnStack(18);call #t~string130.base, #t~string130.offset := #Ultimate.allocOnStack(16);call #t~string133.base, #t~string133.offset := #Ultimate.allocOnStack(21);call #t~string136.base, #t~string136.offset := #Ultimate.allocOnStack(13);call #t~string139.base, #t~string139.offset := #Ultimate.allocOnStack(16);call #t~string142.base, #t~string142.offset := #Ultimate.allocOnStack(25);call #t~string148.base, #t~string148.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string148.base, #t~string148.offset, 1);call write~init~int(115, #t~string148.base, 1 + #t~string148.offset, 1);call write~init~int(10, #t~string148.base, 2 + #t~string148.offset, 1);call write~init~int(0, #t~string148.base, 3 + #t~string148.offset, 1);call #t~string163.base, #t~string163.offset := #Ultimate.allocOnStack(20);~__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;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~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; 226253#L-1 havoc main_#res;havoc main_#t~ret67, main_~retValue_acc~7, main_~tmp~14;havoc main_~retValue_acc~7;havoc main_~tmp~14;~__GUIDSL_ROOT_PRODUCTION~0 := 1; 226254#L96 havoc select_features_#t~ret8, select_features_#t~ret9, select_features_#t~ret10, select_features_#t~ret11, select_features_#t~ret12, select_features_#t~ret13, select_features_#t~ret14, select_features_#t~ret15;havoc select_one_#res;havoc select_one_#t~nondet7, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet7;havoc select_one_#t~nondet7;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 225811#L69 select_features_#t~ret8 := select_one_#res;~__SELECTED_FEATURE_Base~0 := select_features_#t~ret8;havoc select_features_#t~ret8;havoc select_one_#res;havoc select_one_#t~nondet7, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet7;havoc select_one_#t~nondet7;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 225812#L69-1 select_features_#t~ret9 := select_one_#res;~__SELECTED_FEATURE_Keys~0 := select_features_#t~ret9;havoc select_features_#t~ret9;havoc select_one_#res;havoc select_one_#t~nondet7, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet7;havoc select_one_#t~nondet7;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 226163#L69-2 select_features_#t~ret10 := select_one_#res;~__SELECTED_FEATURE_Encrypt~0 := select_features_#t~ret10;havoc select_features_#t~ret10;~__SELECTED_FEATURE_AutoResponder~0 := 1;havoc select_one_#res;havoc select_one_#t~nondet7, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet7;havoc select_one_#t~nondet7;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 225917#L69-3 select_features_#t~ret11 := select_one_#res;~__SELECTED_FEATURE_AddressBook~0 := select_features_#t~ret11;havoc select_features_#t~ret11;havoc select_one_#res;havoc select_one_#t~nondet7, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet7;havoc select_one_#t~nondet7;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 225918#L69-4 select_features_#t~ret12 := select_one_#res;~__SELECTED_FEATURE_Sign~0 := select_features_#t~ret12;havoc select_features_#t~ret12;havoc select_one_#res;havoc select_one_#t~nondet7, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet7;havoc select_one_#t~nondet7;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 226191#L69-5 select_features_#t~ret13 := select_one_#res;~__SELECTED_FEATURE_Forward~0 := select_features_#t~ret13;havoc select_features_#t~ret13;havoc select_one_#res;havoc select_one_#t~nondet7, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet7;havoc select_one_#t~nondet7;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 226165#L69-6 select_features_#t~ret14 := select_one_#res;~__SELECTED_FEATURE_Verify~0 := select_features_#t~ret14;havoc select_features_#t~ret14;havoc select_one_#res;havoc select_one_#t~nondet7, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet7;havoc select_one_#t~nondet7;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 226136#L69-7 select_features_#t~ret15 := select_one_#res;~__SELECTED_FEATURE_Decrypt~0 := select_features_#t~ret15;havoc select_features_#t~ret15; 226098#L88 havoc valid_product_#res;havoc valid_product_~retValue_acc~1, valid_product_~tmp~0;havoc valid_product_~retValue_acc~1;havoc valid_product_~tmp~0; 225841#L104 assume 0 == ~__SELECTED_FEATURE_Encrypt~0; 225842#L108 assume 0 == ~__SELECTED_FEATURE_Decrypt~0; 225862#L113 assume 0 == ~__SELECTED_FEATURE_Encrypt~0; 225776#L118 assume 0 == ~__SELECTED_FEATURE_Sign~0; 226219#L123 assume 0 == ~__SELECTED_FEATURE_Verify~0; 226220#L128 assume 0 == ~__SELECTED_FEATURE_Sign~0; 226272#L133 assume 0 != ~__SELECTED_FEATURE_Base~0;valid_product_~tmp~0 := 1; 226149#L107-1 valid_product_~retValue_acc~1 := valid_product_~tmp~0;valid_product_#res := valid_product_~retValue_acc~1; 226078#L164 main_#t~ret67 := valid_product_#res;main_~tmp~14 := main_#t~ret67;havoc main_#t~ret67; 225854#L970 assume 0 != main_~tmp~14;havoc setup_#t~nondet62, setup_#t~nondet64, setup_#t~nondet66, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.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; 225855#L814 assume !(0 != ~__SELECTED_FEATURE_Keys~0);setup_bob__before__Keys_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__before__Keys_~bob___0;setup_bob__before__Keys_~bob___0 := setup_bob__before__Keys_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__before__Keys_~bob___0, setup_bob__before__Keys_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 226015#L3431-2 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 225789#L3437-5 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string61.base, #t~string61.offset;havoc setup_#t~nondet62;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0; 225790#L852 assume !(0 != ~__SELECTED_FEATURE_Keys~0);setup_rjh__before__Keys_#in~rjh___0 := setup_rjh_~rjh___0;havoc setup_rjh__before__Keys_~rjh___0;setup_rjh__before__Keys_~rjh___0 := setup_rjh__before__Keys_#in~rjh___0;setClientId_#in~handle, setClientId_#in~value := setup_rjh__before__Keys_~rjh___0, setup_rjh__before__Keys_~rjh___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 226200#L3431-6 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 225966#L3437-11 setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string63.base, #t~string63.offset;havoc setup_#t~nondet64;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0; 226266#L890 assume !(0 != ~__SELECTED_FEATURE_Keys~0);setup_chuck__before__Keys_#in~chuck___0 := setup_chuck_~chuck___0;havoc setup_chuck__before__Keys_~chuck___0;setup_chuck__before__Keys_~chuck___0 := setup_chuck__before__Keys_#in~chuck___0;setClientId_#in~handle, setClientId_#in~value := setup_chuck__before__Keys_~chuck___0, setup_chuck__before__Keys_~chuck___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 225866#L3431-10 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 225867#L3437-17 setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset := #t~string65.base, #t~string65.offset;havoc setup_#t~nondet66; 225981#L957 havoc test_#t~nondet150, test_#t~nondet151, test_#t~nondet152, test_#t~nondet153, test_#t~nondet154, test_#t~nondet155, test_#t~nondet156, test_#t~nondet157, test_#t~nondet158, test_#t~nondet159, test_#t~nondet160, 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~24, test_~tmp___0~9, test_~tmp___1~5, 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~24;havoc test_~tmp___0~9;havoc test_~tmp___1~5;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; 226032#L2344-1 assume !false; 225800#L2153 [2021-11-09 09:54:25,319 INFO L793 eck$LassoCheckResult]: Loop: 225800#L2153 assume test_~splverifierCounter~0 < 4; 225919#L2154 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 226217#L2160 assume !(0 == test_~op1~0); 226109#L2177 assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet151;havoc test_#t~nondet151; 226157#L2182 assume 0 != test_~tmp___8~0; 226161#L2183 assume !(0 != ~__SELECTED_FEATURE_AutoResponder~0); 225991#L2183-1 test_~op2~0 := 1; 225799#L2344-1 assume !false; 225800#L2153 [2021-11-09 09:54:25,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:54:25,320 INFO L85 PathProgramCache]: Analyzing trace with hash 507241003, now seen corresponding path program 1 times [2021-11-09 09:54:25,320 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:54:25,321 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86670022] [2021-11-09 09:54:25,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:54:25,321 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:54:25,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:54:25,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:54:25,466 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:54:25,467 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86670022] [2021-11-09 09:54:25,467 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86670022] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:54:25,467 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:54:25,468 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-09 09:54:25,468 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857273810] [2021-11-09 09:54:25,468 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-09 09:54:25,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:54:25,469 INFO L85 PathProgramCache]: Analyzing trace with hash 1422577527, now seen corresponding path program 1 times [2021-11-09 09:54:25,469 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:54:25,470 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1836142088] [2021-11-09 09:54:25,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:54:25,470 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:54:25,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 09:54:25,480 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 09:54:25,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 09:54:25,495 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 09:54:25,558 INFO L210 LassoAnalysis]: Preferences: [2021-11-09 09:54:25,559 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-09 09:54:25,559 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-09 09:54:25,559 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-09 09:54:25,559 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-09 09:54:25,559 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:54:25,560 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-09 09:54:25,560 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-09 09:54:25,560 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec11_productSimulator.cil.c_Iteration2_Loop [2021-11-09 09:54:25,560 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-09 09:54:25,560 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-09 09:54:25,561 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:54:25,568 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:54:25,572 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:54:25,579 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:54:25,583 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:54:25,674 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-09 09:54:25,674 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-09 09:54:25,674 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:54:25,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a86447-1f7c-4a03-92b5-040d9afd0cb7/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:54:25,675 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a86447-1f7c-4a03-92b5-040d9afd0cb7/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:54:25,678 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-09 09:54:25,678 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-09 09:54:25,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a86447-1f7c-4a03-92b5-040d9afd0cb7/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-09 09:54:25,746 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a86447-1f7c-4a03-92b5-040d9afd0cb7/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-11-09 09:54:25,747 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:54:25,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a86447-1f7c-4a03-92b5-040d9afd0cb7/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:54:25,748 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a86447-1f7c-4a03-92b5-040d9afd0cb7/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:54:25,754 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-09 09:54:25,755 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-09 09:54:25,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a86447-1f7c-4a03-92b5-040d9afd0cb7/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-09 09:54:25,786 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-09 09:54:25,822 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a86447-1f7c-4a03-92b5-040d9afd0cb7/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-11-09 09:54:25,822 INFO L210 LassoAnalysis]: Preferences: [2021-11-09 09:54:25,822 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-09 09:54:25,822 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-09 09:54:25,823 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-09 09:54:25,823 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-09 09:54:25,823 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:54:25,823 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-09 09:54:25,823 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-09 09:54:25,823 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec11_productSimulator.cil.c_Iteration2_Loop [2021-11-09 09:54:25,823 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-09 09:54:25,823 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-09 09:54:25,824 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:54:25,830 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:54:25,833 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:54:25,837 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:54:25,843 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:54:25,922 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-09 09:54:25,922 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-09 09:54:25,922 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:54:25,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a86447-1f7c-4a03-92b5-040d9afd0cb7/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:54:25,923 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a86447-1f7c-4a03-92b5-040d9afd0cb7/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:54:25,927 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 [2021-11-09 09:54:25,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a86447-1f7c-4a03-92b5-040d9afd0cb7/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-09 09:54:25,938 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:54:25,938 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:54:25,938 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:54:25,938 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:54:25,938 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 09:54:25,940 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 09:54:25,940 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:54:25,952 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-09 09:54:25,956 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-11-09 09:54:25,956 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-11-09 09:54:25,956 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:54:25,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a86447-1f7c-4a03-92b5-040d9afd0cb7/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:54:25,957 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a86447-1f7c-4a03-92b5-040d9afd0cb7/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:54:25,963 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-09 09:54:25,963 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-11-09 09:54:25,963 INFO L513 LassoAnalysis]: Proved termination. [2021-11-09 09:54:25,963 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op2~0) = -2*ULTIMATE.start_test_~op2~0 + 1 Supporting invariants [] [2021-11-09 09:54:25,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a86447-1f7c-4a03-92b5-040d9afd0cb7/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-11-09 09:54:26,002 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a86447-1f7c-4a03-92b5-040d9afd0cb7/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-11-09 09:54:26,002 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-11-09 09:54:26,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:54:26,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:54:26,172 INFO L263 TraceCheckSpWp]: Trace formula consists of 687 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-09 09:54:26,176 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 09:54:26,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:54:26,356 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-09 09:54:26,357 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 09:54:26,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:54:26,441 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 [2021-11-09 09:54:26,441 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 555 states and 1004 transitions. cyclomatic complexity: 451 Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 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) [2021-11-09 09:54:26,602 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 555 states and 1004 transitions. cyclomatic complexity: 451. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 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 2006 states and 3673 transitions. Complement of second has 6 states. [2021-11-09 09:54:26,603 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 [2021-11-09 09:54:26,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 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) [2021-11-09 09:54:26,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1089 transitions. [2021-11-09 09:54:26,606 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 1089 transitions. Stem has 33 letters. Loop has 8 letters. [2021-11-09 09:54:26,608 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-09 09:54:26,608 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 1089 transitions. Stem has 41 letters. Loop has 8 letters. [2021-11-09 09:54:26,611 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-09 09:54:26,611 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 1089 transitions. Stem has 33 letters. Loop has 16 letters. [2021-11-09 09:54:26,614 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-09 09:54:26,614 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2006 states and 3673 transitions. [2021-11-09 09:54:26,625 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 425 [2021-11-09 09:54:26,646 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2006 states to 1996 states and 3655 transitions. [2021-11-09 09:54:26,646 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 494 [2021-11-09 09:54:26,647 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 496 [2021-11-09 09:54:26,648 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1996 states and 3655 transitions. [2021-11-09 09:54:26,649 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-09 09:54:26,649 INFO L681 BuchiCegarLoop]: Abstraction has 1996 states and 3655 transitions. [2021-11-09 09:54:26,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1996 states and 3655 transitions. [2021-11-09 09:54:26,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1996 to 1039. [2021-11-09 09:54:26,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1039 states, 1039 states have (on average 1.8229066410009624) internal successors, (1894), 1038 states have internal predecessors, (1894), 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) [2021-11-09 09:54:26,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1039 states to 1039 states and 1894 transitions. [2021-11-09 09:54:26,694 INFO L704 BuchiCegarLoop]: Abstraction has 1039 states and 1894 transitions. [2021-11-09 09:54:26,694 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:54:26,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-09 09:54:26,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-09 09:54:26,695 INFO L87 Difference]: Start difference. First operand 1039 states and 1894 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 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) [2021-11-09 09:54:26,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:54:26,798 INFO L93 Difference]: Finished difference Result 2023 states and 3698 transitions. [2021-11-09 09:54:26,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-09 09:54:26,799 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2023 states and 3698 transitions. [2021-11-09 09:54:26,808 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 426 [2021-11-09 09:54:26,826 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2023 states to 2023 states and 3698 transitions. [2021-11-09 09:54:26,826 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 507 [2021-11-09 09:54:26,827 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 507 [2021-11-09 09:54:26,827 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2023 states and 3698 transitions. [2021-11-09 09:54:26,828 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-09 09:54:26,829 INFO L681 BuchiCegarLoop]: Abstraction has 2023 states and 3698 transitions. [2021-11-09 09:54:26,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2023 states and 3698 transitions. [2021-11-09 09:54:26,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2023 to 1037. [2021-11-09 09:54:26,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1037 states, 1037 states have (on average 1.8187078109932497) internal successors, (1886), 1036 states have internal predecessors, (1886), 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) [2021-11-09 09:54:26,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1037 states to 1037 states and 1886 transitions. [2021-11-09 09:54:26,860 INFO L704 BuchiCegarLoop]: Abstraction has 1037 states and 1886 transitions. [2021-11-09 09:54:26,861 INFO L587 BuchiCegarLoop]: Abstraction has 1037 states and 1886 transitions. [2021-11-09 09:54:26,861 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-11-09 09:54:26,861 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1037 states and 1886 transitions. [2021-11-09 09:54:26,864 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 213 [2021-11-09 09:54:26,864 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-09 09:54:26,864 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-09 09:54:26,867 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:54:26,868 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:54:26,868 INFO L791 eck$LassoCheckResult]: Stem: 232099#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(36);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(10);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(34);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(30);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(16);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(20);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(22);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(21);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(44);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(44);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(9);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(11);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(19);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string72.base, #t~string72.offset, 1);call write~init~int(100, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(10, #t~string72.base, 2 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 3 + #t~string72.offset, 1);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string75.base, #t~string75.offset, 1);call write~init~int(100, #t~string75.base, 1 + #t~string75.offset, 1);call write~init~int(10, #t~string75.base, 2 + #t~string75.offset, 1);call write~init~int(0, #t~string75.base, 3 + #t~string75.offset, 1);call #t~string100.base, #t~string100.offset := #Ultimate.allocOnStack(30);call #t~string101.base, #t~string101.offset := #Ultimate.allocOnStack(9);call #t~string102.base, #t~string102.offset := #Ultimate.allocOnStack(21);call #t~string103.base, #t~string103.offset := #Ultimate.allocOnStack(30);call #t~string104.base, #t~string104.offset := #Ultimate.allocOnStack(9);call #t~string105.base, #t~string105.offset := #Ultimate.allocOnStack(21);call #t~string109.base, #t~string109.offset := #Ultimate.allocOnStack(30);call #t~string110.base, #t~string110.offset := #Ultimate.allocOnStack(9);call #t~string111.base, #t~string111.offset := #Ultimate.allocOnStack(25);call #t~string112.base, #t~string112.offset := #Ultimate.allocOnStack(30);call #t~string113.base, #t~string113.offset := #Ultimate.allocOnStack(9);call #t~string114.base, #t~string114.offset := #Ultimate.allocOnStack(25);call #t~string118.base, #t~string118.offset := #Ultimate.allocOnStack(10);call #t~string121.base, #t~string121.offset := #Ultimate.allocOnStack(12);call #t~string124.base, #t~string124.offset := #Ultimate.allocOnStack(10);call #t~string127.base, #t~string127.offset := #Ultimate.allocOnStack(18);call #t~string130.base, #t~string130.offset := #Ultimate.allocOnStack(16);call #t~string133.base, #t~string133.offset := #Ultimate.allocOnStack(21);call #t~string136.base, #t~string136.offset := #Ultimate.allocOnStack(13);call #t~string139.base, #t~string139.offset := #Ultimate.allocOnStack(16);call #t~string142.base, #t~string142.offset := #Ultimate.allocOnStack(25);call #t~string148.base, #t~string148.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string148.base, #t~string148.offset, 1);call write~init~int(115, #t~string148.base, 1 + #t~string148.offset, 1);call write~init~int(10, #t~string148.base, 2 + #t~string148.offset, 1);call write~init~int(0, #t~string148.base, 3 + #t~string148.offset, 1);call #t~string163.base, #t~string163.offset := #Ultimate.allocOnStack(20);~__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;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~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; 232029#L-1 havoc main_#res;havoc main_#t~ret67, main_~retValue_acc~7, main_~tmp~14;havoc main_~retValue_acc~7;havoc main_~tmp~14;~__GUIDSL_ROOT_PRODUCTION~0 := 1; 232030#L96 havoc select_features_#t~ret8, select_features_#t~ret9, select_features_#t~ret10, select_features_#t~ret11, select_features_#t~ret12, select_features_#t~ret13, select_features_#t~ret14, select_features_#t~ret15;havoc select_one_#res;havoc select_one_#t~nondet7, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet7;havoc select_one_#t~nondet7;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 231584#L69 select_features_#t~ret8 := select_one_#res;~__SELECTED_FEATURE_Base~0 := select_features_#t~ret8;havoc select_features_#t~ret8;havoc select_one_#res;havoc select_one_#t~nondet7, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet7;havoc select_one_#t~nondet7;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 231585#L69-1 select_features_#t~ret9 := select_one_#res;~__SELECTED_FEATURE_Keys~0 := select_features_#t~ret9;havoc select_features_#t~ret9;havoc select_one_#res;havoc select_one_#t~nondet7, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet7;havoc select_one_#t~nondet7;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 231938#L69-2 select_features_#t~ret10 := select_one_#res;~__SELECTED_FEATURE_Encrypt~0 := select_features_#t~ret10;havoc select_features_#t~ret10;~__SELECTED_FEATURE_AutoResponder~0 := 1;havoc select_one_#res;havoc select_one_#t~nondet7, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet7;havoc select_one_#t~nondet7;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 231682#L69-3 select_features_#t~ret11 := select_one_#res;~__SELECTED_FEATURE_AddressBook~0 := select_features_#t~ret11;havoc select_features_#t~ret11;havoc select_one_#res;havoc select_one_#t~nondet7, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet7;havoc select_one_#t~nondet7;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 231683#L69-4 select_features_#t~ret12 := select_one_#res;~__SELECTED_FEATURE_Sign~0 := select_features_#t~ret12;havoc select_features_#t~ret12;havoc select_one_#res;havoc select_one_#t~nondet7, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet7;havoc select_one_#t~nondet7;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 231965#L69-5 select_features_#t~ret13 := select_one_#res;~__SELECTED_FEATURE_Forward~0 := select_features_#t~ret13;havoc select_features_#t~ret13;havoc select_one_#res;havoc select_one_#t~nondet7, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet7;havoc select_one_#t~nondet7;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 231939#L69-6 select_features_#t~ret14 := select_one_#res;~__SELECTED_FEATURE_Verify~0 := select_features_#t~ret14;havoc select_features_#t~ret14;havoc select_one_#res;havoc select_one_#t~nondet7, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet7;havoc select_one_#t~nondet7;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 231911#L69-7 select_features_#t~ret15 := select_one_#res;~__SELECTED_FEATURE_Decrypt~0 := select_features_#t~ret15;havoc select_features_#t~ret15; 231873#L88 havoc valid_product_#res;havoc valid_product_~retValue_acc~1, valid_product_~tmp~0;havoc valid_product_~retValue_acc~1;havoc valid_product_~tmp~0; 231610#L104 assume 0 == ~__SELECTED_FEATURE_Encrypt~0; 231611#L108 assume 0 == ~__SELECTED_FEATURE_Decrypt~0; 231629#L113 assume 0 == ~__SELECTED_FEATURE_Encrypt~0; 231549#L118 assume 0 == ~__SELECTED_FEATURE_Sign~0; 231995#L123 assume 0 == ~__SELECTED_FEATURE_Verify~0; 231996#L128 assume 0 == ~__SELECTED_FEATURE_Sign~0; 232049#L133 assume 0 != ~__SELECTED_FEATURE_Base~0;valid_product_~tmp~0 := 1; 231920#L107-1 valid_product_~retValue_acc~1 := valid_product_~tmp~0;valid_product_#res := valid_product_~retValue_acc~1; 231853#L164 main_#t~ret67 := valid_product_#res;main_~tmp~14 := main_#t~ret67;havoc main_#t~ret67; 231625#L970 assume 0 != main_~tmp~14;havoc setup_#t~nondet62, setup_#t~nondet64, setup_#t~nondet66, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.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; 231626#L814 assume !(0 != ~__SELECTED_FEATURE_Keys~0);setup_bob__before__Keys_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__before__Keys_~bob___0;setup_bob__before__Keys_~bob___0 := setup_bob__before__Keys_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__before__Keys_~bob___0, setup_bob__before__Keys_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 231785#L3431-2 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 231562#L3437-5 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string61.base, #t~string61.offset;havoc setup_#t~nondet62;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0; 231563#L852 assume !(0 != ~__SELECTED_FEATURE_Keys~0);setup_rjh__before__Keys_#in~rjh___0 := setup_rjh_~rjh___0;havoc setup_rjh__before__Keys_~rjh___0;setup_rjh__before__Keys_~rjh___0 := setup_rjh__before__Keys_#in~rjh___0;setClientId_#in~handle, setClientId_#in~value := setup_rjh__before__Keys_~rjh___0, setup_rjh__before__Keys_~rjh___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 231972#L3431-6 assume !(1 == setClientId_~handle); 232087#L3434-6 assume 2 == setClientId_~handle;~__ste_client_idCounter1~0 := setClientId_~value; 231741#L3437-11 setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string63.base, #t~string63.offset;havoc setup_#t~nondet64;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0; 232041#L890 assume !(0 != ~__SELECTED_FEATURE_Keys~0);setup_chuck__before__Keys_#in~chuck___0 := setup_chuck_~chuck___0;havoc setup_chuck__before__Keys_~chuck___0;setup_chuck__before__Keys_~chuck___0 := setup_chuck__before__Keys_#in~chuck___0;setClientId_#in~handle, setClientId_#in~value := setup_chuck__before__Keys_~chuck___0, setup_chuck__before__Keys_~chuck___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 231639#L3431-10 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 231640#L3437-17 setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset := #t~string65.base, #t~string65.offset;havoc setup_#t~nondet66; 231756#L957 havoc test_#t~nondet150, test_#t~nondet151, test_#t~nondet152, test_#t~nondet153, test_#t~nondet154, test_#t~nondet155, test_#t~nondet156, test_#t~nondet157, test_#t~nondet158, test_#t~nondet159, test_#t~nondet160, 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~24, test_~tmp___0~9, test_~tmp___1~5, 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~24;havoc test_~tmp___0~9;havoc test_~tmp___1~5;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; 231806#L2344-1 assume !false; 232140#L2153 assume test_~splverifierCounter~0 < 4; 232086#L2154 [2021-11-09 09:54:26,869 INFO L793 eck$LassoCheckResult]: Loop: 232086#L2154 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 231993#L2160 assume !(0 == test_~op1~0); 231883#L2177 assume !(0 == test_~op2~0); 231933#L2195 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet152;havoc test_#t~nondet152; 231969#L2200 assume 0 != test_~tmp___7~0; 231928#L2201 assume !(0 != ~__SELECTED_FEATURE_Keys~0); 231823#L2201-1 test_~op3~0 := 1; 231572#L2344-1 assume !false; 231573#L2153 assume test_~splverifierCounter~0 < 4; 232086#L2154 [2021-11-09 09:54:26,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:54:26,870 INFO L85 PathProgramCache]: Analyzing trace with hash 351408190, now seen corresponding path program 1 times [2021-11-09 09:54:26,870 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:54:26,872 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718103671] [2021-11-09 09:54:26,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:54:26,873 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:54:26,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:54:27,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:54:27,024 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:54:27,025 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [718103671] [2021-11-09 09:54:27,025 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [718103671] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:54:27,026 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:54:27,028 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-09 09:54:27,029 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165919320] [2021-11-09 09:54:27,030 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-09 09:54:27,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:54:27,030 INFO L85 PathProgramCache]: Analyzing trace with hash -986478044, now seen corresponding path program 1 times [2021-11-09 09:54:27,031 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:54:27,031 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347120023] [2021-11-09 09:54:27,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:54:27,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:54:27,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 09:54:27,043 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 09:54:27,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 09:54:27,061 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 09:54:27,138 INFO L210 LassoAnalysis]: Preferences: [2021-11-09 09:54:27,138 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-09 09:54:27,138 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-09 09:54:27,139 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-09 09:54:27,139 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-09 09:54:27,139 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:54:27,139 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-09 09:54:27,139 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-09 09:54:27,139 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec11_productSimulator.cil.c_Iteration3_Loop [2021-11-09 09:54:27,139 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-09 09:54:27,139 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-09 09:54:27,141 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:54:27,144 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:54:27,147 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:54:27,154 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:54:27,161 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:54:27,164 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:54:27,264 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-09 09:54:27,265 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-09 09:54:27,265 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:54:27,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a86447-1f7c-4a03-92b5-040d9afd0cb7/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:54:27,270 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a86447-1f7c-4a03-92b5-040d9afd0cb7/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:54:27,291 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-09 09:54:27,291 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-09 09:54:27,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a86447-1f7c-4a03-92b5-040d9afd0cb7/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-11-09 09:54:27,306 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-09 09:54:27,307 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~__SELECTED_FEATURE_Keys~0=0} Honda state: {~__SELECTED_FEATURE_Keys~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-09 09:54:27,346 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a86447-1f7c-4a03-92b5-040d9afd0cb7/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-11-09 09:54:27,347 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:54:27,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a86447-1f7c-4a03-92b5-040d9afd0cb7/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:54:27,348 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a86447-1f7c-4a03-92b5-040d9afd0cb7/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:54:27,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a86447-1f7c-4a03-92b5-040d9afd0cb7/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-11-09 09:54:27,357 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-09 09:54:27,357 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-09 09:54:27,386 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-09 09:54:27,386 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_~op1~0=4} Honda state: {ULTIMATE.start_test_~op1~0=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-09 09:54:27,429 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a86447-1f7c-4a03-92b5-040d9afd0cb7/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-11-09 09:54:27,430 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:54:27,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a86447-1f7c-4a03-92b5-040d9afd0cb7/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:54:27,433 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a86447-1f7c-4a03-92b5-040d9afd0cb7/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:54:27,440 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-09 09:54:27,440 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-09 09:54:27,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a86447-1f7c-4a03-92b5-040d9afd0cb7/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-11-09 09:54:27,473 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-09 09:54:27,473 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_#t~nondet152=1, ULTIMATE.start_test_~tmp___7~0=1} Honda state: {ULTIMATE.start_test_#t~nondet152=1, ULTIMATE.start_test_~tmp___7~0=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-09 09:54:27,517 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a86447-1f7c-4a03-92b5-040d9afd0cb7/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-11-09 09:54:27,520 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:54:27,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a86447-1f7c-4a03-92b5-040d9afd0cb7/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:54:27,521 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a86447-1f7c-4a03-92b5-040d9afd0cb7/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:54:27,529 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-09 09:54:27,529 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-09 09:54:27,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a86447-1f7c-4a03-92b5-040d9afd0cb7/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-11-09 09:54:27,591 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a86447-1f7c-4a03-92b5-040d9afd0cb7/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-11-09 09:54:27,592 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:54:27,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a86447-1f7c-4a03-92b5-040d9afd0cb7/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:54:27,593 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a86447-1f7c-4a03-92b5-040d9afd0cb7/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:54:27,600 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-09 09:54:27,600 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-09 09:54:27,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a86447-1f7c-4a03-92b5-040d9afd0cb7/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-11-09 09:54:27,770 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-09 09:54:27,777 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a86447-1f7c-4a03-92b5-040d9afd0cb7/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-11-09 09:54:27,778 INFO L210 LassoAnalysis]: Preferences: [2021-11-09 09:54:27,778 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-09 09:54:27,778 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-09 09:54:27,778 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-09 09:54:27,778 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-09 09:54:27,778 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:54:27,779 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-09 09:54:27,779 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-09 09:54:27,779 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec11_productSimulator.cil.c_Iteration3_Loop [2021-11-09 09:54:27,779 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-09 09:54:27,779 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-09 09:54:27,780 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:54:27,784 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:54:27,790 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:54:27,794 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:54:27,801 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:54:27,805 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:54:27,905 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-09 09:54:27,905 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-09 09:54:27,905 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:54:27,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a86447-1f7c-4a03-92b5-040d9afd0cb7/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:54:27,907 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a86447-1f7c-4a03-92b5-040d9afd0cb7/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:54:27,913 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 [2021-11-09 09:54:27,924 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:54:27,924 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:54:27,925 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:54:27,925 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:54:27,925 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 09:54:27,926 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 09:54:27,926 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:54:27,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a86447-1f7c-4a03-92b5-040d9afd0cb7/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-11-09 09:54:27,942 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:54:27,984 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a86447-1f7c-4a03-92b5-040d9afd0cb7/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-11-09 09:54:27,984 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:54:27,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a86447-1f7c-4a03-92b5-040d9afd0cb7/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:54:27,985 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a86447-1f7c-4a03-92b5-040d9afd0cb7/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:54:27,991 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 [2021-11-09 09:54:28,001 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:54:28,001 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:54:28,002 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:54:28,002 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-09 09:54:28,002 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 09:54:28,004 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-09 09:54:28,004 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:54:28,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a86447-1f7c-4a03-92b5-040d9afd0cb7/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-11-09 09:54:28,022 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:54:28,066 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a86447-1f7c-4a03-92b5-040d9afd0cb7/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-11-09 09:54:28,066 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:54:28,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a86447-1f7c-4a03-92b5-040d9afd0cb7/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:54:28,068 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a86447-1f7c-4a03-92b5-040d9afd0cb7/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:54:28,080 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 [2021-11-09 09:54:28,091 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:54:28,091 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:54:28,091 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:54:28,091 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-09 09:54:28,092 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 09:54:28,094 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-09 09:54:28,094 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:54:28,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a86447-1f7c-4a03-92b5-040d9afd0cb7/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-11-09 09:54:28,106 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:54:28,150 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a86447-1f7c-4a03-92b5-040d9afd0cb7/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-11-09 09:54:28,150 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:54:28,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a86447-1f7c-4a03-92b5-040d9afd0cb7/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:54:28,152 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a86447-1f7c-4a03-92b5-040d9afd0cb7/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:54:28,159 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 [2021-11-09 09:54:28,170 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:54:28,170 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:54:28,170 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:54:28,170 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:54:28,170 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 09:54:28,172 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 09:54:28,172 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:54:28,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a86447-1f7c-4a03-92b5-040d9afd0cb7/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-11-09 09:54:28,190 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-09 09:54:28,193 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-11-09 09:54:28,193 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-11-09 09:54:28,193 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:54:28,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a86447-1f7c-4a03-92b5-040d9afd0cb7/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:54:28,196 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a86447-1f7c-4a03-92b5-040d9afd0cb7/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:54:28,203 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-09 09:54:28,203 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-11-09 09:54:28,203 INFO L513 LassoAnalysis]: Proved termination. [2021-11-09 09:54:28,203 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 5 Supporting invariants [] [2021-11-09 09:54:28,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a86447-1f7c-4a03-92b5-040d9afd0cb7/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-11-09 09:54:28,247 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a86447-1f7c-4a03-92b5-040d9afd0cb7/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-11-09 09:54:28,247 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-11-09 09:54:28,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:54:28,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:54:28,458 INFO L263 TraceCheckSpWp]: Trace formula consists of 689 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-09 09:54:28,466 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 09:54:28,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:54:28,646 INFO L263 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-09 09:54:28,647 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 09:54:28,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:54:28,705 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 [2021-11-09 09:54:28,705 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1037 states and 1886 transitions. cyclomatic complexity: 853 Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 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) [2021-11-09 09:54:28,796 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1037 states and 1886 transitions. cyclomatic complexity: 853. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 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 2226 states and 4077 transitions. Complement of second has 4 states. [2021-11-09 09:54:28,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-11-09 09:54:28,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 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) [2021-11-09 09:54:28,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 593 transitions. [2021-11-09 09:54:28,798 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 593 transitions. Stem has 35 letters. Loop has 9 letters. [2021-11-09 09:54:28,798 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-09 09:54:28,798 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 593 transitions. Stem has 44 letters. Loop has 9 letters. [2021-11-09 09:54:28,799 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-09 09:54:28,799 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 593 transitions. Stem has 35 letters. Loop has 18 letters. [2021-11-09 09:54:28,799 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-09 09:54:28,799 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2226 states and 4077 transitions. [2021-11-09 09:54:28,811 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-09 09:54:28,812 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2226 states to 0 states and 0 transitions. [2021-11-09 09:54:28,812 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-11-09 09:54:28,812 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-11-09 09:54:28,812 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-11-09 09:54:28,812 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 09:54:28,813 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-09 09:54:28,813 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-09 09:54:28,813 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:54:28,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-09 09:54:28,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-09 09:54:28,814 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 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) [2021-11-09 09:54:28,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:54:28,814 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2021-11-09 09:54:28,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-09 09:54:28,815 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2021-11-09 09:54:28,815 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-09 09:54:28,815 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2021-11-09 09:54:28,815 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-11-09 09:54:28,815 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-11-09 09:54:28,816 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-11-09 09:54:28,816 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 09:54:28,816 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-09 09:54:28,816 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-09 09:54:28,816 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-09 09:54:28,816 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-11-09 09:54:28,817 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-11-09 09:54:28,817 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-09 09:54:28,817 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-11-09 09:54:28,823 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 09.11 09:54:28 BoogieIcfgContainer [2021-11-09 09:54:28,824 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-09 09:54:28,824 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-09 09:54:28,825 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-09 09:54:28,825 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-09 09:54:28,826 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 09:54:10" (3/4) ... [2021-11-09 09:54:28,829 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-09 09:54:28,829 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-09 09:54:28,831 INFO L168 Benchmark]: Toolchain (without parser) took 85563.73 ms. Allocated memory was 140.5 MB in the beginning and 10.9 GB in the end (delta: 10.7 GB). Free memory was 102.7 MB in the beginning and 8.9 GB in the end (delta: -8.8 GB). Peak memory consumption was 2.0 GB. Max. memory is 16.1 GB. [2021-11-09 09:54:28,832 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 88.1 MB. Free memory was 59.3 MB in the beginning and 59.2 MB in the end (delta: 25.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-09 09:54:28,833 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1034.54 ms. Allocated memory is still 140.5 MB. Free memory was 102.5 MB in the beginning and 84.4 MB in the end (delta: 18.1 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-11-09 09:54:28,834 INFO L168 Benchmark]: Boogie Procedure Inliner took 6765.46 ms. Allocated memory was 140.5 MB in the beginning and 3.3 GB in the end (delta: 3.1 GB). Free memory was 84.4 MB in the beginning and 2.9 GB in the end (delta: -2.8 GB). Peak memory consumption was 480.9 MB. Max. memory is 16.1 GB. [2021-11-09 09:54:28,835 INFO L168 Benchmark]: Boogie Preprocessor took 4991.79 ms. Allocated memory was 3.3 GB in the beginning and 8.0 GB in the end (delta: 4.7 GB). Free memory was 2.9 GB in the beginning and 7.3 GB in the end (delta: -4.5 GB). Peak memory consumption was 363.9 MB. Max. memory is 16.1 GB. [2021-11-09 09:54:28,835 INFO L168 Benchmark]: RCFGBuilder took 54065.59 ms. Allocated memory was 8.0 GB in the beginning and 10.9 GB in the end (delta: 2.9 GB). Free memory was 7.3 GB in the beginning and 9.6 GB in the end (delta: -2.3 GB). Peak memory consumption was 832.6 MB. Max. memory is 16.1 GB. [2021-11-09 09:54:28,836 INFO L168 Benchmark]: BuchiAutomizer took 18694.41 ms. Allocated memory is still 10.9 GB. Free memory was 9.6 GB in the beginning and 8.9 GB in the end (delta: 700.4 MB). Peak memory consumption was 699.4 MB. Max. memory is 16.1 GB. [2021-11-09 09:54:28,837 INFO L168 Benchmark]: Witness Printer took 4.99 ms. Allocated memory is still 10.9 GB. Free memory was 8.9 GB in the beginning and 8.9 GB in the end (delta: 2.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-09 09:54:28,841 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 88.1 MB. Free memory was 59.3 MB in the beginning and 59.2 MB in the end (delta: 25.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1034.54 ms. Allocated memory is still 140.5 MB. Free memory was 102.5 MB in the beginning and 84.4 MB in the end (delta: 18.1 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 6765.46 ms. Allocated memory was 140.5 MB in the beginning and 3.3 GB in the end (delta: 3.1 GB). Free memory was 84.4 MB in the beginning and 2.9 GB in the end (delta: -2.8 GB). Peak memory consumption was 480.9 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 4991.79 ms. Allocated memory was 3.3 GB in the beginning and 8.0 GB in the end (delta: 4.7 GB). Free memory was 2.9 GB in the beginning and 7.3 GB in the end (delta: -4.5 GB). Peak memory consumption was 363.9 MB. Max. memory is 16.1 GB. * RCFGBuilder took 54065.59 ms. Allocated memory was 8.0 GB in the beginning and 10.9 GB in the end (delta: 2.9 GB). Free memory was 7.3 GB in the beginning and 9.6 GB in the end (delta: -2.3 GB). Peak memory consumption was 832.6 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 18694.41 ms. Allocated memory is still 10.9 GB. Free memory was 9.6 GB in the beginning and 8.9 GB in the end (delta: 700.4 MB). Peak memory consumption was 699.4 MB. Max. memory is 16.1 GB. * Witness Printer took 4.99 ms. Allocated memory is still 10.9 GB. Free memory was 8.9 GB in the beginning and 8.9 GB in the end (delta: 2.6 kB). 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 6 terminating modules (3 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * op1 + 1 and consists of 5 locations. One deterministic module has affine ranking function -2 * op2 + 1 and consists of 4 locations. One deterministic module has affine ranking function 5 + -2 * splverifierCounter and consists of 3 locations. 3 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 18.6s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 3.3s. Construction of modules took 0.0s. Büchi inclusion checks took 10.1s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 4. Automata minimization 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 2378 StatesRemovedByMinimization, 3 NontrivialMinimizations. Non-live state removal took 2.2s Buchi closure took 0.0s. Biggest automaton had 1037 states and ocurred in iteration 2. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 122132 SDtfs, 121601 SDslu, 182286 SDs, 0 SdLazy, 65 SolverSat, 20 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT3 lasso0 LassoPreprocessingBenchmarks: Lassos: inital30 mio100 ax100 hnf100 lsp33 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq169 hnf94 smp100 dnf150 smp100 tf108 neg92 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 37ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 3 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.5s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-11-09 09:54:28,893 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a86447-1f7c-4a03-92b5-040d9afd0cb7/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-11-09 09:54:29,105 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a86447-1f7c-4a03-92b5-040d9afd0cb7/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-11-09 09:54:29,298 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a86447-1f7c-4a03-92b5-040d9afd0cb7/bin/uautomizer-IVEQpCNsaX/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