./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec0_product35.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ae1336-8efb-4b09-922e-2660736c522c/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ae1336-8efb-4b09-922e-2660736c522c/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ae1336-8efb-4b09-922e-2660736c522c/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ae1336-8efb-4b09-922e-2660736c522c/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec0_product35.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ae1336-8efb-4b09-922e-2660736c522c/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ae1336-8efb-4b09-922e-2660736c522c/bin/utaipan-EQgc7hIp5V --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7ed16a2a74d5e33f66ab9b575b27ed24f9a6964adc1478fcc08a5f7b11595b14 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:53:49,331 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:53:49,334 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:53:49,365 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:53:49,365 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:53:49,367 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:53:49,369 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:53:49,371 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:53:49,374 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:53:49,375 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:53:49,376 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:53:49,378 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:53:49,378 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:53:49,380 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:53:49,382 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:53:49,383 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:53:49,384 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:53:49,385 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:53:49,388 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:53:49,390 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:53:49,392 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:53:49,394 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:53:49,395 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:53:49,396 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:53:49,400 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:53:49,401 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:53:49,401 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:53:49,402 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:53:49,403 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:53:49,404 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:53:49,405 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:53:49,406 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:53:49,407 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:53:49,408 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:53:49,409 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:53:49,409 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:53:49,410 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:53:49,410 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:53:49,411 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:53:49,412 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:53:49,412 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:53:49,413 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ae1336-8efb-4b09-922e-2660736c522c/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 01:53:49,443 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:53:49,443 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:53:49,444 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 01:53:49,444 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 01:53:49,444 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:53:49,445 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 01:53:49,445 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 01:53:49,445 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 01:53:49,448 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 01:53:49,448 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 01:53:49,449 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 01:53:49,449 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 01:53:49,450 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 01:53:49,450 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 01:53:49,450 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 01:53:49,450 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 01:53:49,450 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 01:53:49,451 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 01:53:49,451 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:53:49,452 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:53:49,452 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:53:49,452 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:53:49,452 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:53:49,453 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:53:49,453 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:53:49,453 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:53:49,453 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:53:49,453 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:53:49,454 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:53:49,454 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:53:49,454 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:53:49,454 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 01:53:49,455 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 01:53:49,455 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:53:49,455 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:53:49,455 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:53:49,455 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 01:53:49,455 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:53:49,456 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:53:49,456 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 01:53:49,456 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 01:53:49,456 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_c7ae1336-8efb-4b09-922e-2660736c522c/bin/utaipan-EQgc7hIp5V/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ae1336-8efb-4b09-922e-2660736c522c/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7ed16a2a74d5e33f66ab9b575b27ed24f9a6964adc1478fcc08a5f7b11595b14 [2021-11-23 01:53:49,721 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:53:49,743 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:53:49,745 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:53:49,747 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:53:49,747 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:53:49,749 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ae1336-8efb-4b09-922e-2660736c522c/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/product-lines/email_spec0_product35.cil.c [2021-11-23 01:53:49,823 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ae1336-8efb-4b09-922e-2660736c522c/bin/utaipan-EQgc7hIp5V/data/314f334a1/f9c83d52153546748a48101d0247768d/FLAG4faccc399 [2021-11-23 01:53:50,508 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:53:50,513 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ae1336-8efb-4b09-922e-2660736c522c/sv-benchmarks/c/product-lines/email_spec0_product35.cil.c [2021-11-23 01:53:50,553 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ae1336-8efb-4b09-922e-2660736c522c/bin/utaipan-EQgc7hIp5V/data/314f334a1/f9c83d52153546748a48101d0247768d/FLAG4faccc399 [2021-11-23 01:53:50,705 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ae1336-8efb-4b09-922e-2660736c522c/bin/utaipan-EQgc7hIp5V/data/314f334a1/f9c83d52153546748a48101d0247768d [2021-11-23 01:53:50,708 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:53:50,711 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:53:50,715 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:53:50,716 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:53:50,723 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:53:50,724 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:53:50" (1/1) ... [2021-11-23 01:53:50,727 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11040210 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:53:50, skipping insertion in model container [2021-11-23 01:53:50,727 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:53:50" (1/1) ... [2021-11-23 01:53:50,734 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:53:50,821 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:53:51,162 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ae1336-8efb-4b09-922e-2660736c522c/sv-benchmarks/c/product-lines/email_spec0_product35.cil.c[5573,5586] [2021-11-23 01:53:51,604 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:53:51,615 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:53:51,634 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ae1336-8efb-4b09-922e-2660736c522c/sv-benchmarks/c/product-lines/email_spec0_product35.cil.c[5573,5586] [2021-11-23 01:53:51,737 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:53:51,773 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:53:51,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:53:51 WrapperNode [2021-11-23 01:53:51,773 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:53:51,775 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:53:51,775 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:53:51,775 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:53:51,782 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:53:51" (1/1) ... [2021-11-23 01:53:51,810 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:53:51" (1/1) ... [2021-11-23 01:53:51,898 INFO L137 Inliner]: procedures = 137, calls = 246, calls flagged for inlining = 66, calls inlined = 63, statements flattened = 1139 [2021-11-23 01:53:51,899 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:53:51,899 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:53:51,899 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:53:51,900 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:53:51,915 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:53:51" (1/1) ... [2021-11-23 01:53:51,915 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:53:51" (1/1) ... [2021-11-23 01:53:51,922 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:53:51" (1/1) ... [2021-11-23 01:53:51,922 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:53:51" (1/1) ... [2021-11-23 01:53:51,946 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:53:51" (1/1) ... [2021-11-23 01:53:51,958 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:53:51" (1/1) ... [2021-11-23 01:53:51,964 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:53:51" (1/1) ... [2021-11-23 01:53:51,974 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:53:51,975 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:53:51,975 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:53:51,975 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:53:51,976 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:53:51" (1/1) ... [2021-11-23 01:53:51,993 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 01:53:52,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ae1336-8efb-4b09-922e-2660736c522c/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 01:53:52,067 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ae1336-8efb-4b09-922e-2660736c522c/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 01:53:52,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ae1336-8efb-4b09-922e-2660736c522c/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 01:53:52,122 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2021-11-23 01:53:52,123 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2021-11-23 01:53:52,123 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2021-11-23 01:53:52,123 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2021-11-23 01:53:52,123 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2021-11-23 01:53:52,124 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2021-11-23 01:53:52,124 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2021-11-23 01:53:52,124 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2021-11-23 01:53:52,142 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2021-11-23 01:53:52,142 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2021-11-23 01:53:52,143 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2021-11-23 01:53:52,143 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2021-11-23 01:53:52,143 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2021-11-23 01:53:52,143 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2021-11-23 01:53:52,143 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2021-11-23 01:53:52,143 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2021-11-23 01:53:52,144 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2021-11-23 01:53:52,144 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2021-11-23 01:53:52,144 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2021-11-23 01:53:52,144 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2021-11-23 01:53:52,144 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2021-11-23 01:53:52,144 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2021-11-23 01:53:52,144 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2021-11-23 01:53:52,145 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2021-11-23 01:53:52,145 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2021-11-23 01:53:52,145 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2021-11-23 01:53:52,145 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-11-23 01:53:52,145 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2021-11-23 01:53:52,145 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2021-11-23 01:53:52,146 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2021-11-23 01:53:52,146 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2021-11-23 01:53:52,146 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2021-11-23 01:53:52,146 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2021-11-23 01:53:52,146 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:53:52,147 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2021-11-23 01:53:52,147 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2021-11-23 01:53:52,147 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2021-11-23 01:53:52,148 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2021-11-23 01:53:52,148 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2021-11-23 01:53:52,148 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2021-11-23 01:53:52,148 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2021-11-23 01:53:52,148 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2021-11-23 01:53:52,148 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2021-11-23 01:53:52,149 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2021-11-23 01:53:52,149 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2021-11-23 01:53:52,149 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2021-11-23 01:53:52,150 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2021-11-23 01:53:52,151 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2021-11-23 01:53:52,151 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2021-11-23 01:53:52,152 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2021-11-23 01:53:52,153 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2021-11-23 01:53:52,153 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2021-11-23 01:53:52,153 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2021-11-23 01:53:52,153 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2021-11-23 01:53:52,154 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2021-11-23 01:53:52,154 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2021-11-23 01:53:52,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:53:52,154 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2021-11-23 01:53:52,154 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2021-11-23 01:53:52,155 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2021-11-23 01:53:52,155 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2021-11-23 01:53:52,155 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:53:52,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:53:52,462 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:53:52,465 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:53:53,449 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:53:53,984 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:53:53,985 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 01:53:53,988 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:53:53 BoogieIcfgContainer [2021-11-23 01:53:53,989 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:53:53,992 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 01:53:53,993 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 01:53:53,996 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 01:53:53,996 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:53:50" (1/3) ... [2021-11-23 01:53:53,998 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e8d0f1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:53:53, skipping insertion in model container [2021-11-23 01:53:53,998 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:53:51" (2/3) ... [2021-11-23 01:53:53,999 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e8d0f1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:53:53, skipping insertion in model container [2021-11-23 01:53:53,999 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:53:53" (3/3) ... [2021-11-23 01:53:54,000 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec0_product35.cil.c [2021-11-23 01:53:54,009 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 01:53:54,009 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 01:53:54,075 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 01:53:54,088 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-23 01:53:54,089 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 01:53:54,139 INFO L276 IsEmpty]: Start isEmpty. Operand has 239 states, 134 states have (on average 1.2835820895522387) internal successors, (172), 139 states have internal predecessors, (172), 74 states have call successors, (74), 29 states have call predecessors, (74), 29 states have return successors, (74), 73 states have call predecessors, (74), 74 states have call successors, (74) [2021-11-23 01:53:54,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-11-23 01:53:54,168 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 01:53:54,171 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 01:53:54,172 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 01:53:54,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:53:54,182 INFO L85 PathProgramCache]: Analyzing trace with hash 1084965830, now seen corresponding path program 1 times [2021-11-23 01:53:54,202 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 01:53:54,202 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186802517] [2021-11-23 01:53:54,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:53:54,203 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:54,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:54,693 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2021-11-23 01:53:54,693 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 01:53:54,694 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186802517] [2021-11-23 01:53:54,694 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [186802517] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 01:53:54,694 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 01:53:54,695 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 01:53:54,696 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834962654] [2021-11-23 01:53:54,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 01:53:54,702 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-23 01:53:54,702 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 01:53:54,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-23 01:53:54,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-23 01:53:54,745 INFO L87 Difference]: Start difference. First operand has 239 states, 134 states have (on average 1.2835820895522387) internal successors, (172), 139 states have internal predecessors, (172), 74 states have call successors, (74), 29 states have call predecessors, (74), 29 states have return successors, (74), 73 states have call predecessors, (74), 74 states have call successors, (74) Second operand has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-23 01:53:55,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 01:53:55,017 INFO L93 Difference]: Finished difference Result 386 states and 511 transitions. [2021-11-23 01:53:55,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 01:53:55,020 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 112 [2021-11-23 01:53:55,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 01:53:55,041 INFO L225 Difference]: With dead ends: 386 [2021-11-23 01:53:55,041 INFO L226 Difference]: Without dead ends: 236 [2021-11-23 01:53:55,056 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-23 01:53:55,061 INFO L933 BasicCegarLoop]: 270 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 270 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-23 01:53:55,068 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 270 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-23 01:53:55,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2021-11-23 01:53:55,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 236. [2021-11-23 01:53:55,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 132 states have (on average 1.2575757575757576) internal successors, (166), 136 states have internal predecessors, (166), 74 states have call successors, (74), 29 states have call predecessors, (74), 29 states have return successors, (73), 72 states have call predecessors, (73), 73 states have call successors, (73) [2021-11-23 01:53:55,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 313 transitions. [2021-11-23 01:53:55,179 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 313 transitions. Word has length 112 [2021-11-23 01:53:55,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 01:53:55,185 INFO L470 AbstractCegarLoop]: Abstraction has 236 states and 313 transitions. [2021-11-23 01:53:55,186 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-23 01:53:55,187 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 313 transitions. [2021-11-23 01:53:55,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-11-23 01:53:55,193 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 01:53:55,193 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 01:53:55,194 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 01:53:55,194 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 01:53:55,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:53:55,195 INFO L85 PathProgramCache]: Analyzing trace with hash 810447702, now seen corresponding path program 1 times [2021-11-23 01:53:55,195 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 01:53:55,195 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327218012] [2021-11-23 01:53:55,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:53:55,196 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:55,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:55,420 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2021-11-23 01:53:55,420 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 01:53:55,421 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327218012] [2021-11-23 01:53:55,421 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1327218012] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 01:53:55,422 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 01:53:55,422 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 01:53:55,422 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865767287] [2021-11-23 01:53:55,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 01:53:55,424 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 01:53:55,424 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 01:53:55,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 01:53:55,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 01:53:55,426 INFO L87 Difference]: Start difference. First operand 236 states and 313 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-23 01:53:55,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 01:53:55,622 INFO L93 Difference]: Finished difference Result 382 states and 496 transitions. [2021-11-23 01:53:55,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 01:53:55,623 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 113 [2021-11-23 01:53:55,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 01:53:55,627 INFO L225 Difference]: With dead ends: 382 [2021-11-23 01:53:55,627 INFO L226 Difference]: Without dead ends: 238 [2021-11-23 01:53:55,628 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 01:53:55,630 INFO L933 BasicCegarLoop]: 267 mSDtfsCounter, 0 mSDsluCounter, 310 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 533 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 01:53:55,631 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 533 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 01:53:55,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2021-11-23 01:53:55,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 238. [2021-11-23 01:53:55,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238 states, 134 states have (on average 1.2537313432835822) internal successors, (168), 138 states have internal predecessors, (168), 74 states have call successors, (74), 29 states have call predecessors, (74), 29 states have return successors, (73), 72 states have call predecessors, (73), 73 states have call successors, (73) [2021-11-23 01:53:55,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 315 transitions. [2021-11-23 01:53:55,657 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 315 transitions. Word has length 113 [2021-11-23 01:53:55,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 01:53:55,658 INFO L470 AbstractCegarLoop]: Abstraction has 238 states and 315 transitions. [2021-11-23 01:53:55,658 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-23 01:53:55,658 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 315 transitions. [2021-11-23 01:53:55,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-11-23 01:53:55,662 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 01:53:55,662 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 01:53:55,662 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 01:53:55,663 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 01:53:55,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:53:55,664 INFO L85 PathProgramCache]: Analyzing trace with hash -1940089383, now seen corresponding path program 1 times [2021-11-23 01:53:55,664 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 01:53:55,664 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196528604] [2021-11-23 01:53:55,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:53:55,665 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:55,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:55,769 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2021-11-23 01:53:55,769 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 01:53:55,769 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [196528604] [2021-11-23 01:53:55,769 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [196528604] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 01:53:55,770 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 01:53:55,770 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 01:53:55,771 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627120718] [2021-11-23 01:53:55,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 01:53:55,773 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 01:53:55,774 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 01:53:55,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 01:53:55,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 01:53:55,775 INFO L87 Difference]: Start difference. First operand 238 states and 315 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-23 01:53:55,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 01:53:55,957 INFO L93 Difference]: Finished difference Result 511 states and 697 transitions. [2021-11-23 01:53:55,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 01:53:55,958 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 118 [2021-11-23 01:53:55,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 01:53:55,969 INFO L225 Difference]: With dead ends: 511 [2021-11-23 01:53:55,969 INFO L226 Difference]: Without dead ends: 291 [2021-11-23 01:53:55,970 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 01:53:55,972 INFO L933 BasicCegarLoop]: 287 mSDtfsCounter, 59 mSDsluCounter, 306 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 549 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 01:53:55,972 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [77 Valid, 549 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 01:53:55,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2021-11-23 01:53:56,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 286. [2021-11-23 01:53:56,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286 states, 168 states have (on average 1.3273809523809523) internal successors, (223), 172 states have internal predecessors, (223), 88 states have call successors, (88), 29 states have call predecessors, (88), 29 states have return successors, (87), 86 states have call predecessors, (87), 87 states have call successors, (87) [2021-11-23 01:53:56,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 398 transitions. [2021-11-23 01:53:56,035 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 398 transitions. Word has length 118 [2021-11-23 01:53:56,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 01:53:56,036 INFO L470 AbstractCegarLoop]: Abstraction has 286 states and 398 transitions. [2021-11-23 01:53:56,038 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-23 01:53:56,038 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 398 transitions. [2021-11-23 01:53:56,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-23 01:53:56,043 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 01:53:56,043 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 01:53:56,044 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-23 01:53:56,044 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 01:53:56,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:53:56,045 INFO L85 PathProgramCache]: Analyzing trace with hash 1877930128, now seen corresponding path program 1 times [2021-11-23 01:53:56,046 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 01:53:56,046 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394792715] [2021-11-23 01:53:56,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:53:56,046 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:56,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:56,190 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-11-23 01:53:56,190 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 01:53:56,190 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394792715] [2021-11-23 01:53:56,190 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394792715] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 01:53:56,191 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1362342330] [2021-11-23 01:53:56,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:53:56,191 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 01:53:56,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ae1336-8efb-4b09-922e-2660736c522c/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 01:53:56,197 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ae1336-8efb-4b09-922e-2660736c522c/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 01:53:56,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ae1336-8efb-4b09-922e-2660736c522c/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-23 01:53:56,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:56,571 INFO L263 TraceCheckSpWp]: Trace formula consists of 1265 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 01:53:56,585 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:53:56,833 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-11-23 01:53:56,833 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 01:53:57,096 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-11-23 01:53:57,097 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1362342330] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 01:53:57,098 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [573152560] [2021-11-23 01:53:57,126 INFO L159 IcfgInterpreter]: Started Sifa with 85 locations of interest [2021-11-23 01:53:57,127 INFO L166 IcfgInterpreter]: Building call graph [2021-11-23 01:53:57,132 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-23 01:53:57,138 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-23 01:53:57,139 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-23 01:54:23,415 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 444 for LOIs [2021-11-23 01:54:23,714 INFO L197 IcfgInterpreter]: Interpreting procedure sendEmail with input of size 264 for LOIs [2021-11-23 01:54:25,908 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 441 for LOIs [2021-11-23 01:54:26,277 INFO L197 IcfgInterpreter]: Interpreting procedure outgoing with input of size 266 for LOIs [2021-11-23 01:54:29,739 INFO L197 IcfgInterpreter]: Interpreting procedure outgoing__wrappee__AutoResponder with input of size 274 for LOIs [2021-11-23 01:54:41,327 INFO L197 IcfgInterpreter]: Interpreting procedure getClientPrivateKey with input of size 453 for LOIs [2021-11-23 01:54:41,815 INFO L197 IcfgInterpreter]: Interpreting procedure isReadable with input of size 248 for LOIs [2021-11-23 01:54:42,417 INFO L197 IcfgInterpreter]: Interpreting procedure isEncrypted with input of size 248 for LOIs [2021-11-23 01:54:42,464 INFO L197 IcfgInterpreter]: Interpreting procedure findPublicKey with input of size 246 for LOIs [2021-11-23 01:54:42,546 INFO L197 IcfgInterpreter]: Interpreting procedure getEmailTo with input of size 432 for LOIs [2021-11-23 01:54:43,029 INFO L197 IcfgInterpreter]: Interpreting procedure setEmailTo with input of size 234 for LOIs [2021-11-23 01:54:43,087 INFO L197 IcfgInterpreter]: Interpreting procedure setEmailFrom with input of size 474 for LOIs [2021-11-23 01:54:44,584 INFO L197 IcfgInterpreter]: Interpreting procedure getClientAddressBookSize with input of size 251 for LOIs [2021-11-23 01:54:44,655 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-23 01:55:48,102 WARN L227 SmtUtils]: Spent 18.94s on a formula simplification. DAG size of input: 593 DAG size of output: 464 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 01:55:56,007 WARN L227 SmtUtils]: Spent 7.41s on a formula simplification. DAG size of input: 563 DAG size of output: 428 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 01:56:02,628 WARN L227 SmtUtils]: Spent 6.10s on a formula simplification. DAG size of input: 565 DAG size of output: 388 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 01:56:08,790 WARN L227 SmtUtils]: Spent 5.61s on a formula simplification. DAG size of input: 567 DAG size of output: 376 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 01:56:14,958 WARN L227 SmtUtils]: Spent 5.58s on a formula simplification. DAG size of input: 563 DAG size of output: 372 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 01:56:20,603 WARN L227 SmtUtils]: Spent 5.33s on a formula simplification. DAG size of input: 561 DAG size of output: 357 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 01:56:26,158 WARN L227 SmtUtils]: Spent 5.24s on a formula simplification. DAG size of input: 554 DAG size of output: 348 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 01:56:40,986 WARN L227 SmtUtils]: Spent 11.62s on a formula simplification. DAG size of input: 474 DAG size of output: 363 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 01:57:03,416 WARN L227 SmtUtils]: Spent 5.84s on a formula simplification. DAG size of input: 453 DAG size of output: 266 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 01:57:11,509 WARN L227 SmtUtils]: Spent 6.28s on a formula simplification. DAG size of input: 479 DAG size of output: 282 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 01:57:36,274 WARN L227 SmtUtils]: Spent 10.69s on a formula simplification. DAG size of input: 432 DAG size of output: 340 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 01:57:50,338 WARN L227 SmtUtils]: Spent 11.09s on a formula simplification. DAG size of input: 451 DAG size of output: 348 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 01:58:08,581 WARN L227 SmtUtils]: Spent 5.46s on a formula simplification. DAG size of input: 474 DAG size of output: 379 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 01:58:14,948 WARN L227 SmtUtils]: Spent 5.49s on a formula simplification. DAG size of input: 476 DAG size of output: 381 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 01:58:22,683 WARN L227 SmtUtils]: Spent 5.97s on a formula simplification. DAG size of input: 518 DAG size of output: 404 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 01:58:33,683 WARN L227 SmtUtils]: Spent 6.37s on a formula simplification. DAG size of input: 528 DAG size of output: 423 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 01:58:39,846 WARN L227 SmtUtils]: Spent 5.28s on a formula simplification. DAG size of input: 532 DAG size of output: 380 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 01:59:17,026 WARN L227 SmtUtils]: Spent 11.24s on a formula simplification. DAG size of input: 587 DAG size of output: 384 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 01:59:26,834 WARN L227 SmtUtils]: Spent 8.16s on a formula simplification. DAG size of input: 584 DAG size of output: 414 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 01:59:34,170 WARN L227 SmtUtils]: Spent 6.27s on a formula simplification. DAG size of input: 578 DAG size of output: 409 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 01:59:49,294 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [573152560] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 01:59:49,294 INFO L186 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2021-11-23 01:59:49,294 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [71] imperfect sequences [4, 4, 4] total 77 [2021-11-23 01:59:49,295 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775773024] [2021-11-23 01:59:49,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 01:59:49,296 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 72 states [2021-11-23 01:59:49,296 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 01:59:49,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 72 interpolants. [2021-11-23 01:59:49,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=259, Invalid=5593, Unknown=0, NotChecked=0, Total=5852 [2021-11-23 01:59:49,301 INFO L87 Difference]: Start difference. First operand 286 states and 398 transitions. Second operand has 72 states, 48 states have (on average 1.1041666666666667) internal successors, (53), 45 states have internal predecessors, (53), 21 states have call successors, (22), 13 states have call predecessors, (22), 10 states have return successors, (19), 18 states have call predecessors, (19), 18 states have call successors, (19) [2021-11-23 02:00:00,025 WARN L227 SmtUtils]: Spent 7.72s on a formula simplification. DAG size of input: 550 DAG size of output: 409 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 02:00:24,006 WARN L227 SmtUtils]: Spent 8.69s on a formula simplification. DAG size of input: 531 DAG size of output: 438 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 02:00:34,158 WARN L227 SmtUtils]: Spent 8.93s on a formula simplification. DAG size of input: 556 DAG size of output: 424 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 02:01:32,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:01:32,954 INFO L93 Difference]: Finished difference Result 796 states and 1184 transitions. [2021-11-23 02:01:32,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-11-23 02:01:32,955 INFO L78 Accepts]: Start accepts. Automaton has has 72 states, 48 states have (on average 1.1041666666666667) internal successors, (53), 45 states have internal predecessors, (53), 21 states have call successors, (22), 13 states have call predecessors, (22), 10 states have return successors, (19), 18 states have call predecessors, (19), 18 states have call successors, (19) Word has length 108 [2021-11-23 02:01:32,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:01:32,961 INFO L225 Difference]: With dead ends: 796 [2021-11-23 02:01:32,961 INFO L226 Difference]: Without dead ends: 528 [2021-11-23 02:01:32,964 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 340 GetRequests, 247 SyntacticMatches, 4 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1968 ImplicationChecksByTransitivity, 366.9s TimeCoverageRelationStatistics Valid=359, Invalid=7831, Unknown=0, NotChecked=0, Total=8190 [2021-11-23 02:01:32,966 INFO L933 BasicCegarLoop]: 340 mSDtfsCounter, 340 mSDsluCounter, 9611 mSDsCounter, 0 mSdLazyCounter, 13438 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 363 SdHoareTripleChecker+Valid, 9604 SdHoareTripleChecker+Invalid, 13500 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 13438 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 40.6s IncrementalHoareTripleChecker+Time [2021-11-23 02:01:32,966 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [363 Valid, 9604 Invalid, 13500 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [62 Valid, 13438 Invalid, 0 Unknown, 0 Unchecked, 40.6s Time] [2021-11-23 02:01:32,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2021-11-23 02:01:33,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 392. [2021-11-23 02:01:33,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 392 states, 243 states have (on average 1.3209876543209877) internal successors, (321), 248 states have internal predecessors, (321), 109 states have call successors, (109), 41 states have call predecessors, (109), 39 states have return successors, (109), 104 states have call predecessors, (109), 108 states have call successors, (109) [2021-11-23 02:01:33,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 539 transitions. [2021-11-23 02:01:33,098 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 539 transitions. Word has length 108 [2021-11-23 02:01:33,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:01:33,099 INFO L470 AbstractCegarLoop]: Abstraction has 392 states and 539 transitions. [2021-11-23 02:01:33,099 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 72 states, 48 states have (on average 1.1041666666666667) internal successors, (53), 45 states have internal predecessors, (53), 21 states have call successors, (22), 13 states have call predecessors, (22), 10 states have return successors, (19), 18 states have call predecessors, (19), 18 states have call successors, (19) [2021-11-23 02:01:33,100 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 539 transitions. [2021-11-23 02:01:33,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-11-23 02:01:33,103 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:01:33,104 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:01:33,137 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ae1336-8efb-4b09-922e-2660736c522c/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-23 02:01:33,317 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ae1336-8efb-4b09-922e-2660736c522c/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:01:33,318 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:01:33,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:01:33,318 INFO L85 PathProgramCache]: Analyzing trace with hash 1007450580, now seen corresponding path program 1 times [2021-11-23 02:01:33,318 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:01:33,318 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74651634] [2021-11-23 02:01:33,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:01:33,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:01:33,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:01:33,407 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-11-23 02:01:33,407 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:01:33,408 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74651634] [2021-11-23 02:01:33,408 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [74651634] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 02:01:33,408 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1819710422] [2021-11-23 02:01:33,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:01:33,408 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:01:33,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ae1336-8efb-4b09-922e-2660736c522c/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:01:33,409 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ae1336-8efb-4b09-922e-2660736c522c/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 02:01:33,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ae1336-8efb-4b09-922e-2660736c522c/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-23 02:01:33,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:01:33,765 INFO L263 TraceCheckSpWp]: Trace formula consists of 1279 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 02:01:33,779 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:01:33,989 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-11-23 02:01:33,990 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 02:01:34,242 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-11-23 02:01:34,242 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1819710422] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 02:01:34,243 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1635865936] [2021-11-23 02:01:34,250 INFO L159 IcfgInterpreter]: Started Sifa with 90 locations of interest [2021-11-23 02:01:34,250 INFO L166 IcfgInterpreter]: Building call graph [2021-11-23 02:01:34,252 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-23 02:01:34,253 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-23 02:01:34,253 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-23 02:01:55,870 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 444 for LOIs [2021-11-23 02:01:56,137 INFO L197 IcfgInterpreter]: Interpreting procedure sendEmail with input of size 264 for LOIs [2021-11-23 02:01:57,977 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 441 for LOIs [2021-11-23 02:01:58,364 INFO L197 IcfgInterpreter]: Interpreting procedure outgoing with input of size 264 for LOIs [2021-11-23 02:02:01,352 INFO L197 IcfgInterpreter]: Interpreting procedure outgoing__wrappee__AutoResponder with input of size 274 for LOIs [2021-11-23 02:02:16,157 INFO L197 IcfgInterpreter]: Interpreting procedure getClientPrivateKey with input of size 453 for LOIs [2021-11-23 02:02:16,659 INFO L197 IcfgInterpreter]: Interpreting procedure isReadable with input of size 248 for LOIs [2021-11-23 02:02:17,271 INFO L197 IcfgInterpreter]: Interpreting procedure isEncrypted with input of size 248 for LOIs [2021-11-23 02:02:17,321 INFO L197 IcfgInterpreter]: Interpreting procedure findPublicKey with input of size 246 for LOIs [2021-11-23 02:02:17,395 INFO L197 IcfgInterpreter]: Interpreting procedure getEmailTo with input of size 432 for LOIs [2021-11-23 02:02:17,909 INFO L197 IcfgInterpreter]: Interpreting procedure setEmailTo with input of size 234 for LOIs [2021-11-23 02:02:17,950 INFO L197 IcfgInterpreter]: Interpreting procedure setEmailFrom with input of size 474 for LOIs [2021-11-23 02:02:19,475 INFO L197 IcfgInterpreter]: Interpreting procedure isSigned with input of size 248 for LOIs [2021-11-23 02:02:19,521 INFO L197 IcfgInterpreter]: Interpreting procedure getClientAddressBookSize with input of size 251 for LOIs [2021-11-23 02:02:19,574 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-23 02:03:26,050 WARN L227 SmtUtils]: Spent 20.63s on a formula simplification. DAG size of input: 593 DAG size of output: 464 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 02:03:34,120 WARN L227 SmtUtils]: Spent 7.45s on a formula simplification. DAG size of input: 563 DAG size of output: 428 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 02:03:40,812 WARN L227 SmtUtils]: Spent 6.13s on a formula simplification. DAG size of input: 565 DAG size of output: 388 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 02:03:47,103 WARN L227 SmtUtils]: Spent 5.63s on a formula simplification. DAG size of input: 567 DAG size of output: 376 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 02:03:53,326 WARN L227 SmtUtils]: Spent 5.60s on a formula simplification. DAG size of input: 563 DAG size of output: 372 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 02:03:59,010 WARN L227 SmtUtils]: Spent 5.34s on a formula simplification. DAG size of input: 561 DAG size of output: 357 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 02:04:04,600 WARN L227 SmtUtils]: Spent 5.25s on a formula simplification. DAG size of input: 554 DAG size of output: 348 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 02:04:20,411 WARN L227 SmtUtils]: Spent 12.14s on a formula simplification. DAG size of input: 474 DAG size of output: 363 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 02:04:44,854 WARN L227 SmtUtils]: Spent 6.60s on a formula simplification. DAG size of input: 453 DAG size of output: 266 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 02:04:54,554 WARN L227 SmtUtils]: Spent 7.21s on a formula simplification. DAG size of input: 479 DAG size of output: 282 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 02:05:20,277 WARN L227 SmtUtils]: Spent 10.84s on a formula simplification. DAG size of input: 432 DAG size of output: 340 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)