./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec8_productSimulator.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0bd8f3f-b2a1-4626-9004-2d7a99b6627a/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0bd8f3f-b2a1-4626-9004-2d7a99b6627a/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0bd8f3f-b2a1-4626-9004-2d7a99b6627a/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0bd8f3f-b2a1-4626-9004-2d7a99b6627a/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec8_productSimulator.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0bd8f3f-b2a1-4626-9004-2d7a99b6627a/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0bd8f3f-b2a1-4626-9004-2d7a99b6627a/bin/utaipan-I9t0OCRTmS --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 fdf21b24c583a6d136f11a4b24a73548bc1166a9ff6f145f509a3c93fdab8434 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-19 08:19:14,799 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 08:19:14,802 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 08:19:14,836 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 08:19:14,837 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 08:19:14,838 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 08:19:14,839 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 08:19:14,841 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 08:19:14,843 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 08:19:14,856 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 08:19:14,857 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 08:19:14,858 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 08:19:14,859 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 08:19:14,860 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 08:19:14,861 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 08:19:14,862 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 08:19:14,863 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 08:19:14,864 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 08:19:14,865 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 08:19:14,874 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 08:19:14,880 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 08:19:14,883 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 08:19:14,887 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 08:19:14,888 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 08:19:14,897 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 08:19:14,897 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 08:19:14,898 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 08:19:14,899 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 08:19:14,899 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 08:19:14,900 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 08:19:14,900 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 08:19:14,901 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 08:19:14,902 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 08:19:14,903 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 08:19:14,904 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 08:19:14,904 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 08:19:14,905 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 08:19:14,905 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 08:19:14,905 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 08:19:14,906 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 08:19:14,907 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 08:19:14,908 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0bd8f3f-b2a1-4626-9004-2d7a99b6627a/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-19 08:19:14,932 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 08:19:14,933 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 08:19:14,933 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 08:19:14,934 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 08:19:14,934 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 08:19:14,935 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 08:19:14,935 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 08:19:14,935 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 08:19:14,935 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 08:19:14,936 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 08:19:14,936 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 08:19:14,936 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 08:19:14,936 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 08:19:14,936 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 08:19:14,937 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 08:19:14,937 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 08:19:14,937 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 08:19:14,937 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 08:19:14,938 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 08:19:14,938 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 08:19:14,939 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 08:19:14,939 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 08:19:14,939 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 08:19:14,939 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 08:19:14,939 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 08:19:14,940 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 08:19:14,940 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 08:19:14,940 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 08:19:14,940 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 08:19:14,941 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 08:19:14,941 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 08:19:14,941 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 08:19:14,941 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:19:14,942 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 08:19:14,942 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 08:19:14,942 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 08:19:14,942 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 08:19:14,942 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 08:19:14,943 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 08:19:14,943 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 08:19:14,943 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 08:19:14,943 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_e0bd8f3f-b2a1-4626-9004-2d7a99b6627a/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0bd8f3f-b2a1-4626-9004-2d7a99b6627a/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fdf21b24c583a6d136f11a4b24a73548bc1166a9ff6f145f509a3c93fdab8434 [2022-11-19 08:19:15,310 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 08:19:15,333 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 08:19:15,336 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 08:19:15,337 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 08:19:15,338 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 08:19:15,339 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0bd8f3f-b2a1-4626-9004-2d7a99b6627a/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/product-lines/email_spec8_productSimulator.cil.c [2022-11-19 08:19:15,409 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0bd8f3f-b2a1-4626-9004-2d7a99b6627a/bin/utaipan-I9t0OCRTmS/data/f43f07ed1/9fba64bcca0b4f4d92bd6167bae20e93/FLAGd767d0859 [2022-11-19 08:19:16,202 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 08:19:16,202 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0bd8f3f-b2a1-4626-9004-2d7a99b6627a/sv-benchmarks/c/product-lines/email_spec8_productSimulator.cil.c [2022-11-19 08:19:16,233 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0bd8f3f-b2a1-4626-9004-2d7a99b6627a/bin/utaipan-I9t0OCRTmS/data/f43f07ed1/9fba64bcca0b4f4d92bd6167bae20e93/FLAGd767d0859 [2022-11-19 08:19:16,384 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0bd8f3f-b2a1-4626-9004-2d7a99b6627a/bin/utaipan-I9t0OCRTmS/data/f43f07ed1/9fba64bcca0b4f4d92bd6167bae20e93 [2022-11-19 08:19:16,390 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 08:19:16,393 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 08:19:16,397 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 08:19:16,397 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 08:19:16,402 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 08:19:16,403 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:19:16" (1/1) ... [2022-11-19 08:19:16,406 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50ef0af5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:19:16, skipping insertion in model container [2022-11-19 08:19:16,407 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:19:16" (1/1) ... [2022-11-19 08:19:16,418 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 08:19:16,532 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 08:19:17,439 WARN L234 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_e0bd8f3f-b2a1-4626-9004-2d7a99b6627a/sv-benchmarks/c/product-lines/email_spec8_productSimulator.cil.c[73270,73283] [2022-11-19 08:19:17,445 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:19:17,465 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 08:19:17,623 WARN L234 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_e0bd8f3f-b2a1-4626-9004-2d7a99b6627a/sv-benchmarks/c/product-lines/email_spec8_productSimulator.cil.c[73270,73283] [2022-11-19 08:19:17,630 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:19:17,679 INFO L208 MainTranslator]: Completed translation [2022-11-19 08:19:17,679 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:19:17 WrapperNode [2022-11-19 08:19:17,680 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 08:19:17,681 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 08:19:17,681 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 08:19:17,681 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 08:19:17,690 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:19:17" (1/1) ... [2022-11-19 08:19:17,769 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:19:17" (1/1) ... [2022-11-19 08:19:17,881 INFO L138 Inliner]: procedures = 152, calls = 288, calls flagged for inlining = 68, calls inlined = 65, statements flattened = 1326 [2022-11-19 08:19:17,882 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 08:19:17,884 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 08:19:17,884 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 08:19:17,885 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 08:19:17,896 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:19:17" (1/1) ... [2022-11-19 08:19:17,897 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:19:17" (1/1) ... [2022-11-19 08:19:17,916 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:19:17" (1/1) ... [2022-11-19 08:19:17,917 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:19:17" (1/1) ... [2022-11-19 08:19:17,943 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:19:17" (1/1) ... [2022-11-19 08:19:17,956 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:19:17" (1/1) ... [2022-11-19 08:19:17,963 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:19:17" (1/1) ... [2022-11-19 08:19:17,968 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:19:17" (1/1) ... [2022-11-19 08:19:17,978 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 08:19:17,979 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 08:19:17,980 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 08:19:17,980 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 08:19:17,981 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:19:17" (1/1) ... [2022-11-19 08:19:17,989 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:19:18,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0bd8f3f-b2a1-4626-9004-2d7a99b6627a/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:19:18,030 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0bd8f3f-b2a1-4626-9004-2d7a99b6627a/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 08:19:18,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0bd8f3f-b2a1-4626-9004-2d7a99b6627a/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 08:19:18,124 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2022-11-19 08:19:18,125 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2022-11-19 08:19:18,125 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__before__Keys [2022-11-19 08:19:18,125 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__before__Keys [2022-11-19 08:19:18,126 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Sign [2022-11-19 08:19:18,126 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Sign [2022-11-19 08:19:18,126 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2022-11-19 08:19:18,127 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2022-11-19 08:19:18,127 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2022-11-19 08:19:18,127 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2022-11-19 08:19:18,127 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2022-11-19 08:19:18,128 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2022-11-19 08:19:18,128 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2022-11-19 08:19:18,128 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2022-11-19 08:19:18,129 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Verify [2022-11-19 08:19:18,129 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Verify [2022-11-19 08:19:18,129 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2022-11-19 08:19:18,130 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2022-11-19 08:19:18,130 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__before__Keys [2022-11-19 08:19:18,130 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__before__Keys [2022-11-19 08:19:18,130 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2022-11-19 08:19:18,131 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2022-11-19 08:19:18,131 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2022-11-19 08:19:18,131 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2022-11-19 08:19:18,132 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2022-11-19 08:19:18,132 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2022-11-19 08:19:18,133 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Decrypt [2022-11-19 08:19:18,133 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Decrypt [2022-11-19 08:19:18,133 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Encrypt [2022-11-19 08:19:18,133 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Encrypt [2022-11-19 08:19:18,135 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2022-11-19 08:19:18,136 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2022-11-19 08:19:18,136 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2022-11-19 08:19:18,136 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2022-11-19 08:19:18,137 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2022-11-19 08:19:18,137 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2022-11-19 08:19:18,137 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2022-11-19 08:19:18,137 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Forward [2022-11-19 08:19:18,138 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Forward [2022-11-19 08:19:18,138 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2022-11-19 08:19:18,138 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2022-11-19 08:19:18,138 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2022-11-19 08:19:18,139 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2022-11-19 08:19:18,140 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2022-11-19 08:19:18,140 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2022-11-19 08:19:18,141 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__before__Encrypt [2022-11-19 08:19:18,142 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__before__Encrypt [2022-11-19 08:19:18,143 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 08:19:18,144 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2022-11-19 08:19:18,144 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2022-11-19 08:19:18,145 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2022-11-19 08:19:18,145 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2022-11-19 08:19:18,145 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__AddressBook [2022-11-19 08:19:18,146 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__AddressBook [2022-11-19 08:19:18,146 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Encrypt [2022-11-19 08:19:18,146 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Encrypt [2022-11-19 08:19:18,147 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__AutoResponder [2022-11-19 08:19:18,147 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__AutoResponder [2022-11-19 08:19:18,147 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2022-11-19 08:19:18,147 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2022-11-19 08:19:18,148 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2022-11-19 08:19:18,148 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2022-11-19 08:19:18,148 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2022-11-19 08:19:18,148 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2022-11-19 08:19:18,149 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2022-11-19 08:19:18,149 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2022-11-19 08:19:18,149 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2022-11-19 08:19:18,149 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2022-11-19 08:19:18,150 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2022-11-19 08:19:18,150 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2022-11-19 08:19:18,150 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2022-11-19 08:19:18,150 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2022-11-19 08:19:18,151 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__before__Keys [2022-11-19 08:19:18,152 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__before__Keys [2022-11-19 08:19:18,152 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Verify [2022-11-19 08:19:18,152 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Verify [2022-11-19 08:19:18,152 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2022-11-19 08:19:18,153 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2022-11-19 08:19:18,153 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2022-11-19 08:19:18,153 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2022-11-19 08:19:18,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 08:19:18,153 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2022-11-19 08:19:18,154 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2022-11-19 08:19:18,155 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Sign [2022-11-19 08:19:18,155 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Sign [2022-11-19 08:19:18,155 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2022-11-19 08:19:18,156 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2022-11-19 08:19:18,157 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2022-11-19 08:19:18,157 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2022-11-19 08:19:18,158 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 08:19:18,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 08:19:18,595 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 08:19:18,599 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 08:19:20,073 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 08:19:20,945 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 08:19:20,946 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-19 08:19:20,952 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:19:20 BoogieIcfgContainer [2022-11-19 08:19:20,952 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 08:19:20,958 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 08:19:20,959 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 08:19:20,964 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 08:19:20,964 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:19:16" (1/3) ... [2022-11-19 08:19:20,966 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f773add and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:19:20, skipping insertion in model container [2022-11-19 08:19:20,966 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:19:17" (2/3) ... [2022-11-19 08:19:20,967 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f773add and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:19:20, skipping insertion in model container [2022-11-19 08:19:20,967 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:19:20" (3/3) ... [2022-11-19 08:19:20,969 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec8_productSimulator.cil.c [2022-11-19 08:19:20,999 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 08:19:21,002 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-19 08:19:21,119 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 08:19:21,129 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2068afe8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 08:19:21,130 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-19 08:19:21,138 INFO L276 IsEmpty]: Start isEmpty. Operand has 380 states, 225 states have (on average 1.3333333333333333) internal successors, (300), 245 states have internal predecessors, (300), 110 states have call successors, (110), 43 states have call predecessors, (110), 43 states have return successors, (110), 109 states have call predecessors, (110), 110 states have call successors, (110) [2022-11-19 08:19:21,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-11-19 08:19:21,171 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:19:21,173 INFO L195 NwaCegarLoop]: trace histogram [8, 3, 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] [2022-11-19 08:19:21,174 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:19:21,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:19:21,188 INFO L85 PathProgramCache]: Analyzing trace with hash 773592641, now seen corresponding path program 1 times [2022-11-19 08:19:21,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:19:21,202 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915195206] [2022-11-19 08:19:21,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:19:21,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:19:21,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:19:22,043 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2022-11-19 08:19:22,044 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:19:22,044 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915195206] [2022-11-19 08:19:22,045 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1915195206] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:19:22,045 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:19:22,046 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 08:19:22,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547628113] [2022-11-19 08:19:22,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:19:22,055 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 08:19:22,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:19:22,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 08:19:22,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 08:19:22,100 INFO L87 Difference]: Start difference. First operand has 380 states, 225 states have (on average 1.3333333333333333) internal successors, (300), 245 states have internal predecessors, (300), 110 states have call successors, (110), 43 states have call predecessors, (110), 43 states have return successors, (110), 109 states have call predecessors, (110), 110 states have call successors, (110) Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-19 08:19:22,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:19:22,482 INFO L93 Difference]: Finished difference Result 732 states and 1002 transitions. [2022-11-19 08:19:22,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 08:19:22,485 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 97 [2022-11-19 08:19:22,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:19:22,511 INFO L225 Difference]: With dead ends: 732 [2022-11-19 08:19:22,515 INFO L226 Difference]: Without dead ends: 377 [2022-11-19 08:19:22,527 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:19:22,532 INFO L413 NwaCegarLoop]: 463 mSDtfsCounter, 6 mSDsluCounter, 920 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 1383 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-19 08:19:22,533 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 1383 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-19 08:19:22,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2022-11-19 08:19:22,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 377. [2022-11-19 08:19:22,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 377 states, 223 states have (on average 1.2914798206278026) internal successors, (288), 242 states have internal predecessors, (288), 110 states have call successors, (110), 43 states have call predecessors, (110), 43 states have return successors, (109), 108 states have call predecessors, (109), 109 states have call successors, (109) [2022-11-19 08:19:22,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 507 transitions. [2022-11-19 08:19:22,614 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 507 transitions. Word has length 97 [2022-11-19 08:19:22,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:19:22,616 INFO L495 AbstractCegarLoop]: Abstraction has 377 states and 507 transitions. [2022-11-19 08:19:22,616 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-19 08:19:22,616 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 507 transitions. [2022-11-19 08:19:22,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-11-19 08:19:22,621 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:19:22,621 INFO L195 NwaCegarLoop]: trace histogram [8, 3, 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] [2022-11-19 08:19:22,621 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 08:19:22,622 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:19:22,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:19:22,622 INFO L85 PathProgramCache]: Analyzing trace with hash 762710508, now seen corresponding path program 1 times [2022-11-19 08:19:22,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:19:22,623 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223608779] [2022-11-19 08:19:22,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:19:22,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:19:22,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:19:22,790 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2022-11-19 08:19:22,790 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:19:22,791 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223608779] [2022-11-19 08:19:22,791 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1223608779] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:19:22,791 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:19:22,791 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 08:19:22,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012785225] [2022-11-19 08:19:22,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:19:22,793 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:19:22,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:19:22,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:19:22,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:19:22,795 INFO L87 Difference]: Start difference. First operand 377 states and 507 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-11-19 08:19:22,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:19:22,985 INFO L93 Difference]: Finished difference Result 731 states and 999 transitions. [2022-11-19 08:19:22,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:19:22,986 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 103 [2022-11-19 08:19:22,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:19:22,990 INFO L225 Difference]: With dead ends: 731 [2022-11-19 08:19:22,990 INFO L226 Difference]: Without dead ends: 375 [2022-11-19 08:19:22,992 INFO L412 NwaCegarLoop]: 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 [2022-11-19 08:19:22,993 INFO L413 NwaCegarLoop]: 437 mSDtfsCounter, 476 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 476 SdHoareTripleChecker+Valid, 442 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 08:19:22,994 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [476 Valid, 442 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 08:19:22,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2022-11-19 08:19:23,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 375. [2022-11-19 08:19:23,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 375 states, 223 states have (on average 1.2690582959641257) internal successors, (283), 240 states have internal predecessors, (283), 107 states have call successors, (107), 44 states have call predecessors, (107), 44 states have return successors, (106), 105 states have call predecessors, (106), 106 states have call successors, (106) [2022-11-19 08:19:23,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 496 transitions. [2022-11-19 08:19:23,055 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 496 transitions. Word has length 103 [2022-11-19 08:19:23,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:19:23,056 INFO L495 AbstractCegarLoop]: Abstraction has 375 states and 496 transitions. [2022-11-19 08:19:23,056 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-11-19 08:19:23,057 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 496 transitions. [2022-11-19 08:19:23,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-11-19 08:19:23,060 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:19:23,061 INFO L195 NwaCegarLoop]: trace histogram [8, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:19:23,061 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 08:19:23,061 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:19:23,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:19:23,062 INFO L85 PathProgramCache]: Analyzing trace with hash 753621541, now seen corresponding path program 1 times [2022-11-19 08:19:23,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:19:23,062 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958438610] [2022-11-19 08:19:23,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:19:23,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:19:23,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:19:23,213 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2022-11-19 08:19:23,213 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:19:23,214 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958438610] [2022-11-19 08:19:23,214 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [958438610] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:19:23,214 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:19:23,214 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 08:19:23,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088040991] [2022-11-19 08:19:23,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:19:23,215 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:19:23,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:19:23,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:19:23,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:19:23,217 INFO L87 Difference]: Start difference. First operand 375 states and 496 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-19 08:19:23,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:19:23,430 INFO L93 Difference]: Finished difference Result 724 states and 967 transitions. [2022-11-19 08:19:23,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:19:23,431 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 114 [2022-11-19 08:19:23,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:19:23,439 INFO L225 Difference]: With dead ends: 724 [2022-11-19 08:19:23,441 INFO L226 Difference]: Without dead ends: 374 [2022-11-19 08:19:23,444 INFO L412 NwaCegarLoop]: 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 [2022-11-19 08:19:23,452 INFO L413 NwaCegarLoop]: 437 mSDtfsCounter, 463 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 463 SdHoareTripleChecker+Valid, 461 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 08:19:23,456 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [463 Valid, 461 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 08:19:23,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2022-11-19 08:19:23,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 374. [2022-11-19 08:19:23,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 374 states, 223 states have (on average 1.2600896860986548) internal successors, (281), 239 states have internal predecessors, (281), 106 states have call successors, (106), 44 states have call predecessors, (106), 44 states have return successors, (105), 104 states have call predecessors, (105), 105 states have call successors, (105) [2022-11-19 08:19:23,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 492 transitions. [2022-11-19 08:19:23,528 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 492 transitions. Word has length 114 [2022-11-19 08:19:23,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:19:23,529 INFO L495 AbstractCegarLoop]: Abstraction has 374 states and 492 transitions. [2022-11-19 08:19:23,530 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-19 08:19:23,530 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 492 transitions. [2022-11-19 08:19:23,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-11-19 08:19:23,533 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:19:23,534 INFO L195 NwaCegarLoop]: trace histogram [8, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:19:23,534 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-19 08:19:23,534 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:19:23,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:19:23,535 INFO L85 PathProgramCache]: Analyzing trace with hash 446507475, now seen corresponding path program 1 times [2022-11-19 08:19:23,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:19:23,536 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [330873555] [2022-11-19 08:19:23,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:19:23,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:19:23,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:19:23,774 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2022-11-19 08:19:23,774 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:19:23,775 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [330873555] [2022-11-19 08:19:23,775 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [330873555] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:19:23,775 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:19:23,775 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 08:19:23,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425524932] [2022-11-19 08:19:23,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:19:23,779 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:19:23,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:19:23,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:19:23,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:19:23,782 INFO L87 Difference]: Start difference. First operand 374 states and 492 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-19 08:19:23,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:19:23,996 INFO L93 Difference]: Finished difference Result 705 states and 926 transitions. [2022-11-19 08:19:23,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:19:23,997 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 115 [2022-11-19 08:19:23,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:19:24,002 INFO L225 Difference]: With dead ends: 705 [2022-11-19 08:19:24,003 INFO L226 Difference]: Without dead ends: 371 [2022-11-19 08:19:24,004 INFO L412 NwaCegarLoop]: 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 [2022-11-19 08:19:24,014 INFO L413 NwaCegarLoop]: 410 mSDtfsCounter, 436 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 436 SdHoareTripleChecker+Valid, 437 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 08:19:24,017 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [436 Valid, 437 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 08:19:24,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2022-11-19 08:19:24,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 371. [2022-11-19 08:19:24,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 371 states, 223 states have (on average 1.210762331838565) internal successors, (270), 234 states have internal predecessors, (270), 103 states have call successors, (103), 44 states have call predecessors, (103), 44 states have return successors, (102), 101 states have call predecessors, (102), 102 states have call successors, (102) [2022-11-19 08:19:24,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 371 states and 475 transitions. [2022-11-19 08:19:24,077 INFO L78 Accepts]: Start accepts. Automaton has 371 states and 475 transitions. Word has length 115 [2022-11-19 08:19:24,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:19:24,079 INFO L495 AbstractCegarLoop]: Abstraction has 371 states and 475 transitions. [2022-11-19 08:19:24,079 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-19 08:19:24,080 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 475 transitions. [2022-11-19 08:19:24,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-11-19 08:19:24,084 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:19:24,084 INFO L195 NwaCegarLoop]: trace histogram [8, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:19:24,085 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-19 08:19:24,085 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:19:24,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:19:24,086 INFO L85 PathProgramCache]: Analyzing trace with hash -1168996932, now seen corresponding path program 1 times [2022-11-19 08:19:24,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:19:24,086 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826237388] [2022-11-19 08:19:24,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:19:24,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:19:24,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:19:24,293 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2022-11-19 08:19:24,293 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:19:24,293 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [826237388] [2022-11-19 08:19:24,294 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [826237388] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:19:24,294 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:19:24,294 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 08:19:24,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585367213] [2022-11-19 08:19:24,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:19:24,295 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:19:24,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:19:24,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:19:24,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:19:24,296 INFO L87 Difference]: Start difference. First operand 371 states and 475 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-19 08:19:24,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:19:24,542 INFO L93 Difference]: Finished difference Result 587 states and 745 transitions. [2022-11-19 08:19:24,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:19:24,543 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 127 [2022-11-19 08:19:24,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:19:24,546 INFO L225 Difference]: With dead ends: 587 [2022-11-19 08:19:24,547 INFO L226 Difference]: Without dead ends: 373 [2022-11-19 08:19:24,548 INFO L412 NwaCegarLoop]: 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 [2022-11-19 08:19:24,552 INFO L413 NwaCegarLoop]: 422 mSDtfsCounter, 0 mSDsluCounter, 421 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 843 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-19 08:19:24,552 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 843 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-19 08:19:24,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2022-11-19 08:19:24,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 373. [2022-11-19 08:19:24,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 373 states, 225 states have (on average 1.208888888888889) internal successors, (272), 236 states have internal predecessors, (272), 103 states have call successors, (103), 44 states have call predecessors, (103), 44 states have return successors, (102), 101 states have call predecessors, (102), 102 states have call successors, (102) [2022-11-19 08:19:24,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 477 transitions. [2022-11-19 08:19:24,610 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 477 transitions. Word has length 127 [2022-11-19 08:19:24,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:19:24,613 INFO L495 AbstractCegarLoop]: Abstraction has 373 states and 477 transitions. [2022-11-19 08:19:24,613 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-19 08:19:24,614 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 477 transitions. [2022-11-19 08:19:24,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-11-19 08:19:24,619 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:19:24,619 INFO L195 NwaCegarLoop]: trace histogram [8, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:19:24,620 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-19 08:19:24,620 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:19:24,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:19:24,621 INFO L85 PathProgramCache]: Analyzing trace with hash 687305607, now seen corresponding path program 1 times [2022-11-19 08:19:24,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:19:24,621 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484802375] [2022-11-19 08:19:24,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:19:24,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:19:24,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:19:24,833 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2022-11-19 08:19:24,833 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:19:24,833 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1484802375] [2022-11-19 08:19:24,833 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1484802375] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:19:24,834 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:19:24,834 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 08:19:24,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334256540] [2022-11-19 08:19:24,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:19:24,836 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:19:24,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:19:24,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:19:24,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:19:24,837 INFO L87 Difference]: Start difference. First operand 373 states and 477 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-19 08:19:25,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:19:25,060 INFO L93 Difference]: Finished difference Result 746 states and 978 transitions. [2022-11-19 08:19:25,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:19:25,060 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 132 [2022-11-19 08:19:25,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:19:25,066 INFO L225 Difference]: With dead ends: 746 [2022-11-19 08:19:25,066 INFO L226 Difference]: Without dead ends: 440 [2022-11-19 08:19:25,067 INFO L412 NwaCegarLoop]: 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 [2022-11-19 08:19:25,069 INFO L413 NwaCegarLoop]: 450 mSDtfsCounter, 76 mSDsluCounter, 414 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 864 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-19 08:19:25,070 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 864 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-19 08:19:25,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2022-11-19 08:19:25,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 435. [2022-11-19 08:19:25,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 435 states, 273 states have (on average 1.2527472527472527) internal successors, (342), 284 states have internal predecessors, (342), 117 states have call successors, (117), 44 states have call predecessors, (117), 44 states have return successors, (116), 115 states have call predecessors, (116), 116 states have call successors, (116) [2022-11-19 08:19:25,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 575 transitions. [2022-11-19 08:19:25,118 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 575 transitions. Word has length 132 [2022-11-19 08:19:25,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:19:25,119 INFO L495 AbstractCegarLoop]: Abstraction has 435 states and 575 transitions. [2022-11-19 08:19:25,120 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-19 08:19:25,120 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 575 transitions. [2022-11-19 08:19:25,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-11-19 08:19:25,123 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:19:25,123 INFO L195 NwaCegarLoop]: trace histogram [8, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:19:25,123 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-19 08:19:25,124 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:19:25,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:19:25,124 INFO L85 PathProgramCache]: Analyzing trace with hash 1363662011, now seen corresponding path program 1 times [2022-11-19 08:19:25,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:19:25,125 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289446406] [2022-11-19 08:19:25,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:19:25,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:19:25,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:19:25,402 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2022-11-19 08:19:25,402 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:19:25,402 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [289446406] [2022-11-19 08:19:25,402 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [289446406] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 08:19:25,403 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [37589487] [2022-11-19 08:19:25,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:19:25,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:19:25,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0bd8f3f-b2a1-4626-9004-2d7a99b6627a/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:19:25,412 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0bd8f3f-b2a1-4626-9004-2d7a99b6627a/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:19:25,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0bd8f3f-b2a1-4626-9004-2d7a99b6627a/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-19 08:19:25,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:19:25,944 INFO L263 TraceCheckSpWp]: Trace formula consists of 1398 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-19 08:19:25,958 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:19:26,044 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2022-11-19 08:19:26,044 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 08:19:26,191 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2022-11-19 08:19:26,192 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [37589487] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 08:19:26,192 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [957310627] [2022-11-19 08:19:26,221 INFO L159 IcfgInterpreter]: Started Sifa with 108 locations of interest [2022-11-19 08:19:26,221 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 08:19:26,226 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 08:19:26,233 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 08:19:26,234 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 08:21:22,538 INFO L197 IcfgInterpreter]: Interpreting procedure setup_rjh__before__Keys with input of size 510 for LOIs [2022-11-19 08:21:23,691 INFO L197 IcfgInterpreter]: Interpreting procedure setup_bob__before__Keys with input of size 516 for LOIs [2022-11-19 08:21:25,195 INFO L197 IcfgInterpreter]: Interpreting procedure sendEmail with input of size 278 for LOIs [2022-11-19 08:21:27,241 INFO L197 IcfgInterpreter]: Interpreting procedure select_one with input of size 458 for LOIs [2022-11-19 08:21:27,543 INFO L197 IcfgInterpreter]: Interpreting procedure setup_chuck__before__Keys with input of size 250 for LOIs [2022-11-19 08:21:28,356 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 455 for LOIs [2022-11-19 08:21:28,697 INFO L197 IcfgInterpreter]: Interpreting procedure setEmailTo with input of size 246 for LOIs [2022-11-19 08:21:28,744 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 443 for LOIs [2022-11-19 08:21:29,035 INFO L197 IcfgInterpreter]: Interpreting procedure outgoing with input of size 280 for LOIs [2022-11-19 08:21:29,165 INFO L197 IcfgInterpreter]: Interpreting procedure outgoing__before__Sign with input of size 268 for LOIs [2022-11-19 08:21:29,348 INFO L197 IcfgInterpreter]: Interpreting procedure outgoing__before__AddressBook with input of size 266 for LOIs [2022-11-19 08:21:35,155 INFO L197 IcfgInterpreter]: Interpreting procedure outgoing__before__Encrypt with input of size 454 for LOIs [2022-11-19 08:21:39,426 INFO L197 IcfgInterpreter]: Interpreting procedure setEmailFrom with input of size 469 for LOIs [2022-11-19 08:21:41,256 INFO L197 IcfgInterpreter]: Interpreting procedure findPublicKey with input of size 250 for LOIs [2022-11-19 08:21:41,346 INFO L197 IcfgInterpreter]: Interpreting procedure getEmailTo with input of size 234 for LOIs [2022-11-19 08:21:41,379 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 08:21:49,899 WARN L233 SmtUtils]: Spent 6.11s on a formula simplification. DAG size of input: 458 DAG size of output: 322 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 08:21:56,287 WARN L233 SmtUtils]: Spent 6.31s on a formula simplification. DAG size of input: 466 DAG size of output: 330 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 08:22:59,445 WARN L233 SmtUtils]: Spent 5.21s on a formula simplification. DAG size of input: 533 DAG size of output: 525 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 08:23:11,359 WARN L233 SmtUtils]: Spent 5.98s on a formula simplification. DAG size of input: 455 DAG size of output: 315 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 08:23:17,876 WARN L233 SmtUtils]: Spent 6.22s on a formula simplification. DAG size of input: 478 DAG size of output: 335 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 08:23:30,691 WARN L233 SmtUtils]: Spent 11.51s on a formula simplification. DAG size of input: 750 DAG size of output: 565 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 08:23:48,161 WARN L233 SmtUtils]: Spent 10.21s on a formula simplification. DAG size of input: 739 DAG size of output: 531 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 08:24:02,151 WARN L233 SmtUtils]: Spent 12.94s on a formula simplification. DAG size of input: 745 DAG size of output: 592 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 08:24:13,184 WARN L233 SmtUtils]: Spent 10.49s on a formula simplification. DAG size of input: 749 DAG size of output: 544 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 08:24:35,110 WARN L233 SmtUtils]: Spent 6.31s on a formula simplification. DAG size of input: 516 DAG size of output: 324 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 08:24:45,084 WARN L233 SmtUtils]: Spent 8.86s on a formula simplification. DAG size of input: 565 DAG size of output: 428 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 08:24:53,221 WARN L233 SmtUtils]: Spent 7.55s on a formula simplification. DAG size of input: 562 DAG size of output: 395 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 08:25:03,976 WARN L233 SmtUtils]: Spent 5.00s on a formula simplification. DAG size of input: 564 DAG size of output: 339 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 08:25:30,022 WARN L233 SmtUtils]: Spent 14.05s on a formula simplification. DAG size of input: 469 DAG size of output: 364 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 08:26:35,525 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [957310627] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:26:35,525 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-19 08:26:35,525 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [85] imperfect sequences [4, 4, 4] total 91 [2022-11-19 08:26:35,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102793264] [2022-11-19 08:26:35,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:26:35,527 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 86 states [2022-11-19 08:26:35,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:26:35,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 86 interpolants. [2022-11-19 08:26:35,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=318, Invalid=7872, Unknown=0, NotChecked=0, Total=8190 [2022-11-19 08:26:35,532 INFO L87 Difference]: Start difference. First operand 435 states and 575 transitions. Second operand has 86 states, 57 states have (on average 1.2105263157894737) internal successors, (69), 56 states have internal predecessors, (69), 26 states have call successors, (28), 16 states have call predecessors, (28), 11 states have return successors, (23), 23 states have call predecessors, (23), 21 states have call successors, (23) [2022-11-19 08:26:44,386 WARN L233 SmtUtils]: Spent 7.85s on a formula simplification. DAG size of input: 672 DAG size of output: 528 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 08:26:53,318 WARN L233 SmtUtils]: Spent 7.89s on a formula simplification. DAG size of input: 671 DAG size of output: 530 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 08:27:02,481 WARN L233 SmtUtils]: Spent 7.92s on a formula simplification. DAG size of input: 670 DAG size of output: 532 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 08:27:11,492 WARN L233 SmtUtils]: Spent 7.92s on a formula simplification. DAG size of input: 669 DAG size of output: 534 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 08:27:20,918 WARN L233 SmtUtils]: Spent 8.33s on a formula simplification. DAG size of input: 668 DAG size of output: 536 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 08:27:30,814 WARN L233 SmtUtils]: Spent 8.64s on a formula simplification. DAG size of input: 667 DAG size of output: 538 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 08:27:40,857 WARN L233 SmtUtils]: Spent 8.95s on a formula simplification. DAG size of input: 666 DAG size of output: 540 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 08:27:50,623 WARN L233 SmtUtils]: Spent 8.69s on a formula simplification. DAG size of input: 665 DAG size of output: 542 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 08:28:08,758 WARN L233 SmtUtils]: Spent 6.47s on a formula simplification. DAG size of input: 495 DAG size of output: 380 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 08:28:16,124 WARN L233 SmtUtils]: Spent 6.79s on a formula simplification. DAG size of input: 532 DAG size of output: 363 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 08:28:23,518 WARN L233 SmtUtils]: Spent 6.85s on a formula simplification. DAG size of input: 531 DAG size of output: 368 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 08:28:30,836 WARN L233 SmtUtils]: Spent 6.74s on a formula simplification. DAG size of input: 529 DAG size of output: 366 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 08:28:42,832 WARN L233 SmtUtils]: Spent 6.42s on a formula simplification. DAG size of input: 523 DAG size of output: 367 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 08:28:50,273 WARN L233 SmtUtils]: Spent 6.16s on a formula simplification. DAG size of input: 533 DAG size of output: 366 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 08:28:58,014 WARN L233 SmtUtils]: Spent 6.05s on a formula simplification. DAG size of input: 525 DAG size of output: 369 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 08:30:24,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:30:24,946 INFO L93 Difference]: Finished difference Result 1147 states and 1601 transitions. [2022-11-19 08:30:24,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2022-11-19 08:30:24,947 INFO L78 Accepts]: Start accepts. Automaton has has 86 states, 57 states have (on average 1.2105263157894737) internal successors, (69), 56 states have internal predecessors, (69), 26 states have call successors, (28), 16 states have call predecessors, (28), 11 states have return successors, (23), 23 states have call predecessors, (23), 21 states have call successors, (23) Word has length 133 [2022-11-19 08:30:24,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:30:24,951 INFO L225 Difference]: With dead ends: 1147 [2022-11-19 08:30:24,952 INFO L226 Difference]: Without dead ends: 742 [2022-11-19 08:30:24,957 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 421 GetRequests, 307 SyntacticMatches, 5 SemanticMatches, 109 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4619 ImplicationChecksByTransitivity, 426.3s TimeCoverageRelationStatistics Valid=500, Invalid=11710, Unknown=0, NotChecked=0, Total=12210 [2022-11-19 08:30:24,957 INFO L413 NwaCegarLoop]: 456 mSDtfsCounter, 622 mSDsluCounter, 11344 mSDsCounter, 0 mSdLazyCounter, 19639 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 90.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 636 SdHoareTripleChecker+Valid, 11800 SdHoareTripleChecker+Invalid, 19720 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.5s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 19639 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 95.8s IncrementalHoareTripleChecker+Time [2022-11-19 08:30:24,958 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [636 Valid, 11800 Invalid, 19720 Unknown, 0 Unchecked, 0.5s Time], IncrementalHoareTripleChecker [81 Valid, 19639 Invalid, 0 Unknown, 0 Unchecked, 95.8s Time] [2022-11-19 08:30:24,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 742 states. [2022-11-19 08:30:25,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 742 to 583. [2022-11-19 08:30:25,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 583 states, 387 states have (on average 1.2945736434108528) internal successors, (501), 398 states have internal predecessors, (501), 136 states have call successors, (136), 64 states have call predecessors, (136), 59 states have return successors, (135), 129 states have call predecessors, (135), 135 states have call successors, (135) [2022-11-19 08:30:25,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 583 states and 772 transitions. [2022-11-19 08:30:25,273 INFO L78 Accepts]: Start accepts. Automaton has 583 states and 772 transitions. Word has length 133 [2022-11-19 08:30:25,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:30:25,274 INFO L495 AbstractCegarLoop]: Abstraction has 583 states and 772 transitions. [2022-11-19 08:30:25,275 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 86 states, 57 states have (on average 1.2105263157894737) internal successors, (69), 56 states have internal predecessors, (69), 26 states have call successors, (28), 16 states have call predecessors, (28), 11 states have return successors, (23), 23 states have call predecessors, (23), 21 states have call successors, (23) [2022-11-19 08:30:25,275 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 772 transitions. [2022-11-19 08:30:25,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-11-19 08:30:25,277 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:30:25,278 INFO L195 NwaCegarLoop]: trace histogram [8, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:30:25,289 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0bd8f3f-b2a1-4626-9004-2d7a99b6627a/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-19 08:30:25,485 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0bd8f3f-b2a1-4626-9004-2d7a99b6627a/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-11-19 08:30:25,485 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:30:25,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:30:25,486 INFO L85 PathProgramCache]: Analyzing trace with hash -98183853, now seen corresponding path program 1 times [2022-11-19 08:30:25,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:30:25,486 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523874646] [2022-11-19 08:30:25,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:30:25,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:30:25,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:30:25,626 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-11-19 08:30:25,626 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:30:25,628 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [523874646] [2022-11-19 08:30:25,628 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [523874646] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:30:25,628 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:30:25,629 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 08:30:25,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426736029] [2022-11-19 08:30:25,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:30:25,630 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:30:25,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:30:25,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:30:25,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:30:25,631 INFO L87 Difference]: Start difference. First operand 583 states and 772 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-19 08:30:26,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:30:26,413 INFO L93 Difference]: Finished difference Result 1333 states and 1809 transitions. [2022-11-19 08:30:26,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:30:26,414 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 134 [2022-11-19 08:30:26,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:30:26,419 INFO L225 Difference]: With dead ends: 1333 [2022-11-19 08:30:26,419 INFO L226 Difference]: Without dead ends: 929 [2022-11-19 08:30:26,421 INFO L412 NwaCegarLoop]: 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 [2022-11-19 08:30:26,422 INFO L413 NwaCegarLoop]: 751 mSDtfsCounter, 441 mSDsluCounter, 382 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 441 SdHoareTripleChecker+Valid, 1133 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-19 08:30:26,422 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [441 Valid, 1133 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-19 08:30:26,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 929 states. [2022-11-19 08:30:26,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 929 to 927. [2022-11-19 08:30:26,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 927 states, 603 states have (on average 1.2885572139303483) internal successors, (777), 621 states have internal predecessors, (777), 226 states have call successors, (226), 102 states have call predecessors, (226), 97 states have return successors, (240), 218 states have call predecessors, (240), 224 states have call successors, (240) [2022-11-19 08:30:26,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 927 states to 927 states and 1243 transitions. [2022-11-19 08:30:26,950 INFO L78 Accepts]: Start accepts. Automaton has 927 states and 1243 transitions. Word has length 134 [2022-11-19 08:30:26,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:30:26,950 INFO L495 AbstractCegarLoop]: Abstraction has 927 states and 1243 transitions. [2022-11-19 08:30:26,951 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-19 08:30:26,951 INFO L276 IsEmpty]: Start isEmpty. Operand 927 states and 1243 transitions. [2022-11-19 08:30:26,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-11-19 08:30:26,955 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:30:26,956 INFO L195 NwaCegarLoop]: trace histogram [8, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:30:26,956 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-19 08:30:26,956 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:30:26,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:30:26,957 INFO L85 PathProgramCache]: Analyzing trace with hash 2002086776, now seen corresponding path program 1 times [2022-11-19 08:30:26,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:30:26,957 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601361250] [2022-11-19 08:30:26,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:30:26,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:30:26,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:30:27,080 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-11-19 08:30:27,080 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:30:27,081 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601361250] [2022-11-19 08:30:27,081 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1601361250] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:30:27,081 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:30:27,081 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 08:30:27,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529446528] [2022-11-19 08:30:27,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:30:27,083 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:30:27,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:30:27,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:30:27,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:30:27,084 INFO L87 Difference]: Start difference. First operand 927 states and 1243 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-19 08:30:27,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:30:27,976 INFO L93 Difference]: Finished difference Result 1876 states and 2527 transitions. [2022-11-19 08:30:27,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:30:27,977 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 135 [2022-11-19 08:30:27,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:30:27,983 INFO L225 Difference]: With dead ends: 1876 [2022-11-19 08:30:27,983 INFO L226 Difference]: Without dead ends: 1291 [2022-11-19 08:30:27,986 INFO L412 NwaCegarLoop]: 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 [2022-11-19 08:30:27,988 INFO L413 NwaCegarLoop]: 771 mSDtfsCounter, 440 mSDsluCounter, 397 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 440 SdHoareTripleChecker+Valid, 1168 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-19 08:30:27,988 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [440 Valid, 1168 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-19 08:30:27,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1291 states. [2022-11-19 08:30:28,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1291 to 1289. [2022-11-19 08:30:28,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1289 states, 809 states have (on average 1.2521631644004945) internal successors, (1013), 835 states have internal predecessors, (1013), 324 states have call successors, (324), 158 states have call predecessors, (324), 155 states have return successors, (377), 319 states have call predecessors, (377), 317 states have call successors, (377) [2022-11-19 08:30:28,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1289 states to 1289 states and 1714 transitions. [2022-11-19 08:30:28,578 INFO L78 Accepts]: Start accepts. Automaton has 1289 states and 1714 transitions. Word has length 135 [2022-11-19 08:30:28,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:30:28,579 INFO L495 AbstractCegarLoop]: Abstraction has 1289 states and 1714 transitions. [2022-11-19 08:30:28,579 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-19 08:30:28,579 INFO L276 IsEmpty]: Start isEmpty. Operand 1289 states and 1714 transitions. [2022-11-19 08:30:28,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-11-19 08:30:28,583 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:30:28,583 INFO L195 NwaCegarLoop]: trace histogram [8, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:30:28,583 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-19 08:30:28,584 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:30:28,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:30:28,584 INFO L85 PathProgramCache]: Analyzing trace with hash -2106639352, now seen corresponding path program 1 times [2022-11-19 08:30:28,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:30:28,584 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58288887] [2022-11-19 08:30:28,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:30:28,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:30:28,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:30:28,749 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2022-11-19 08:30:28,750 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:30:28,750 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58288887] [2022-11-19 08:30:28,750 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [58288887] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 08:30:28,750 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1034133524] [2022-11-19 08:30:28,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:30:28,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:30:28,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0bd8f3f-b2a1-4626-9004-2d7a99b6627a/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:30:28,754 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0bd8f3f-b2a1-4626-9004-2d7a99b6627a/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:30:28,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0bd8f3f-b2a1-4626-9004-2d7a99b6627a/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-19 08:30:29,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:30:29,195 INFO L263 TraceCheckSpWp]: Trace formula consists of 1422 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-19 08:30:29,202 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:30:29,228 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2022-11-19 08:30:29,228 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 08:30:29,331 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2022-11-19 08:30:29,332 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1034133524] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 08:30:29,332 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1735148900] [2022-11-19 08:30:29,346 INFO L159 IcfgInterpreter]: Started Sifa with 113 locations of interest [2022-11-19 08:30:29,346 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 08:30:29,347 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 08:30:29,347 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 08:30:29,347 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 08:32:04,077 INFO L197 IcfgInterpreter]: Interpreting procedure setup_rjh__before__Keys with input of size 510 for LOIs [2022-11-19 08:32:05,102 INFO L197 IcfgInterpreter]: Interpreting procedure setup_bob__before__Keys with input of size 516 for LOIs [2022-11-19 08:32:06,488 INFO L197 IcfgInterpreter]: Interpreting procedure sendEmail with input of size 279 for LOIs [2022-11-19 08:32:08,327 INFO L197 IcfgInterpreter]: Interpreting procedure select_one with input of size 458 for LOIs [2022-11-19 08:32:08,602 INFO L197 IcfgInterpreter]: Interpreting procedure setup_chuck__before__Keys with input of size 250 for LOIs [2022-11-19 08:32:09,283 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 441 for LOIs [2022-11-19 08:32:09,550 INFO L197 IcfgInterpreter]: Interpreting procedure setEmailTo with input of size 247 for LOIs [2022-11-19 08:32:09,587 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 443 for LOIs [2022-11-19 08:32:09,867 INFO L197 IcfgInterpreter]: Interpreting procedure outgoing with input of size 279 for LOIs [2022-11-19 08:32:09,999 INFO L197 IcfgInterpreter]: Interpreting procedure outgoing__before__Sign with input of size 269 for LOIs [2022-11-19 08:32:10,765 INFO L197 IcfgInterpreter]: Interpreting procedure outgoing__before__AddressBook with input of size 283 for LOIs [2022-11-19 08:32:15,338 INFO L197 IcfgInterpreter]: Interpreting procedure outgoing__before__Encrypt with input of size 453 for LOIs [2022-11-19 08:32:19,048 INFO L197 IcfgInterpreter]: Interpreting procedure setEmailFrom with input of size 465 for LOIs [2022-11-19 08:32:22,039 INFO L197 IcfgInterpreter]: Interpreting procedure findPublicKey with input of size 253 for LOIs [2022-11-19 08:32:22,108 INFO L197 IcfgInterpreter]: Interpreting procedure getEmailTo with input of size 250 for LOIs [2022-11-19 08:32:22,146 INFO L197 IcfgInterpreter]: Interpreting procedure getClientAddressBookSize with input of size 239 for LOIs [2022-11-19 08:32:22,183 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 08:32:29,797 WARN L233 SmtUtils]: Spent 5.53s on a formula simplification. DAG size of input: 458 DAG size of output: 322 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 08:32:35,595 WARN L233 SmtUtils]: Spent 5.73s on a formula simplification. DAG size of input: 466 DAG size of output: 330 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)