./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec1_product34.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 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_4b2127a9-d9b4-4993-96d3-a753c71ebc93/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b2127a9-d9b4-4993-96d3-a753c71ebc93/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b2127a9-d9b4-4993-96d3-a753c71ebc93/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b2127a9-d9b4-4993-96d3-a753c71ebc93/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec1_product34.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b2127a9-d9b4-4993-96d3-a753c71ebc93/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b2127a9-d9b4-4993-96d3-a753c71ebc93/bin/uautomizer-uyxdKDjOR8 --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 76fb98768a82c6e881c4461160153969b956a6a73a8217d33a39b93921ba72b5 --- 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-2329fc7 [2022-12-13 19:14:09,864 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 19:14:09,866 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 19:14:09,885 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 19:14:09,885 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 19:14:09,886 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 19:14:09,887 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 19:14:09,889 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 19:14:09,891 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 19:14:09,891 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 19:14:09,892 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 19:14:09,893 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 19:14:09,894 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 19:14:09,895 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 19:14:09,896 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 19:14:09,897 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 19:14:09,898 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 19:14:09,898 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 19:14:09,900 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 19:14:09,902 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 19:14:09,903 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 19:14:09,904 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 19:14:09,906 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 19:14:09,906 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 19:14:09,910 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 19:14:09,910 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 19:14:09,911 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 19:14:09,912 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 19:14:09,912 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 19:14:09,913 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 19:14:09,913 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 19:14:09,914 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 19:14:09,915 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 19:14:09,915 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 19:14:09,916 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 19:14:09,917 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 19:14:09,917 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 19:14:09,917 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 19:14:09,918 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 19:14:09,918 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 19:14:09,919 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 19:14:09,920 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b2127a9-d9b4-4993-96d3-a753c71ebc93/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-12-13 19:14:09,941 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 19:14:09,941 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 19:14:09,941 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 19:14:09,941 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 19:14:09,942 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 19:14:09,942 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 19:14:09,943 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 19:14:09,943 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 19:14:09,943 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 19:14:09,943 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 19:14:09,944 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 19:14:09,944 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 19:14:09,944 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 19:14:09,944 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 19:14:09,944 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 19:14:09,944 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 19:14:09,945 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 19:14:09,945 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 19:14:09,945 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 19:14:09,945 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 19:14:09,945 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 19:14:09,946 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 19:14:09,946 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 19:14:09,946 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 19:14:09,946 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 19:14:09,946 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 19:14:09,947 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 19:14:09,947 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 19:14:09,947 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 19:14:09,947 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 19:14:09,947 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 19:14:09,947 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 19:14:09,948 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 19:14:09,948 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 19:14:09,948 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 19:14:09,948 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_4b2127a9-d9b4-4993-96d3-a753c71ebc93/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b2127a9-d9b4-4993-96d3-a753c71ebc93/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 76fb98768a82c6e881c4461160153969b956a6a73a8217d33a39b93921ba72b5 [2022-12-13 19:14:10,131 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 19:14:10,150 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 19:14:10,152 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 19:14:10,153 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 19:14:10,154 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 19:14:10,155 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b2127a9-d9b4-4993-96d3-a753c71ebc93/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/product-lines/email_spec1_product34.cil.c [2022-12-13 19:14:12,770 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 19:14:13,024 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 19:14:13,025 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b2127a9-d9b4-4993-96d3-a753c71ebc93/sv-benchmarks/c/product-lines/email_spec1_product34.cil.c [2022-12-13 19:14:13,035 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b2127a9-d9b4-4993-96d3-a753c71ebc93/bin/uautomizer-uyxdKDjOR8/data/d83f85eda/df00219af3774a77bab80fa82f46f39d/FLAGb4a32f39e [2022-12-13 19:14:13,046 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b2127a9-d9b4-4993-96d3-a753c71ebc93/bin/uautomizer-uyxdKDjOR8/data/d83f85eda/df00219af3774a77bab80fa82f46f39d [2022-12-13 19:14:13,048 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 19:14:13,049 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 19:14:13,050 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 19:14:13,050 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 19:14:13,053 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 19:14:13,054 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 07:14:13" (1/1) ... [2022-12-13 19:14:13,054 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f4ebe97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:14:13, skipping insertion in model container [2022-12-13 19:14:13,055 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 07:14:13" (1/1) ... [2022-12-13 19:14:13,060 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 19:14:13,113 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 19:14:13,277 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 19:14:13,287 WARN L237 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_4b2127a9-d9b4-4993-96d3-a753c71ebc93/sv-benchmarks/c/product-lines/email_spec1_product34.cil.c[2480,2493] [2022-12-13 19:14:13,509 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 19:14:13,518 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 19:14:13,519 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 19:14:13,530 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 19:14:13,543 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 19:14:13,598 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 19:14:13,599 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 19:14:13,601 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 19:14:13,604 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 19:14:13,613 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 19:14:13,622 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 19:14:13,623 WARN L237 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_4b2127a9-d9b4-4993-96d3-a753c71ebc93/sv-benchmarks/c/product-lines/email_spec1_product34.cil.c[2480,2493] [2022-12-13 19:14:13,668 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 19:14:13,670 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 19:14:13,670 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 19:14:13,671 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 19:14:13,674 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 19:14:13,687 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 19:14:13,687 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 19:14:13,689 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 19:14:13,691 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 19:14:13,711 INFO L208 MainTranslator]: Completed translation [2022-12-13 19:14:13,711 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:14:13 WrapperNode [2022-12-13 19:14:13,711 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 19:14:13,712 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 19:14:13,712 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 19:14:13,712 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 19:14:13,718 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:14:13" (1/1) ... [2022-12-13 19:14:13,746 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:14:13" (1/1) ... [2022-12-13 19:14:13,785 INFO L138 Inliner]: procedures = 134, calls = 237, calls flagged for inlining = 62, calls inlined = 59, statements flattened = 1096 [2022-12-13 19:14:13,785 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 19:14:13,786 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 19:14:13,786 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 19:14:13,786 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 19:14:13,794 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:14:13" (1/1) ... [2022-12-13 19:14:13,794 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:14:13" (1/1) ... [2022-12-13 19:14:13,801 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:14:13" (1/1) ... [2022-12-13 19:14:13,801 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:14:13" (1/1) ... [2022-12-13 19:14:13,812 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:14:13" (1/1) ... [2022-12-13 19:14:13,818 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:14:13" (1/1) ... [2022-12-13 19:14:13,821 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:14:13" (1/1) ... [2022-12-13 19:14:13,824 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:14:13" (1/1) ... [2022-12-13 19:14:13,829 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 19:14:13,829 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 19:14:13,829 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 19:14:13,829 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 19:14:13,830 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:14:13" (1/1) ... [2022-12-13 19:14:13,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 19:14:13,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b2127a9-d9b4-4993-96d3-a753c71ebc93/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:14:13,858 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b2127a9-d9b4-4993-96d3-a753c71ebc93/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 19:14:13,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b2127a9-d9b4-4993-96d3-a753c71ebc93/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 19:14:13,884 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2022-12-13 19:14:13,884 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2022-12-13 19:14:13,884 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2022-12-13 19:14:13,884 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2022-12-13 19:14:13,884 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2022-12-13 19:14:13,884 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2022-12-13 19:14:13,885 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2022-12-13 19:14:13,885 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2022-12-13 19:14:13,885 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2022-12-13 19:14:13,885 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2022-12-13 19:14:13,885 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2022-12-13 19:14:13,885 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2022-12-13 19:14:13,885 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2022-12-13 19:14:13,885 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2022-12-13 19:14:13,885 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2022-12-13 19:14:13,885 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2022-12-13 19:14:13,886 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2022-12-13 19:14:13,886 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2022-12-13 19:14:13,886 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2022-12-13 19:14:13,886 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2022-12-13 19:14:13,886 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2022-12-13 19:14:13,886 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2022-12-13 19:14:13,886 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2022-12-13 19:14:13,886 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2022-12-13 19:14:13,886 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2022-12-13 19:14:13,886 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2022-12-13 19:14:13,887 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2022-12-13 19:14:13,887 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2022-12-13 19:14:13,887 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2022-12-13 19:14:13,887 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 19:14:13,887 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2022-12-13 19:14:13,887 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2022-12-13 19:14:13,887 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2022-12-13 19:14:13,887 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2022-12-13 19:14:13,887 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2022-12-13 19:14:13,888 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2022-12-13 19:14:13,888 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2022-12-13 19:14:13,888 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2022-12-13 19:14:13,888 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2022-12-13 19:14:13,888 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2022-12-13 19:14:13,888 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2022-12-13 19:14:13,888 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2022-12-13 19:14:13,888 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2022-12-13 19:14:13,888 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2022-12-13 19:14:13,888 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2022-12-13 19:14:13,889 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2022-12-13 19:14:13,889 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2022-12-13 19:14:13,889 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2022-12-13 19:14:13,889 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2022-12-13 19:14:13,889 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2022-12-13 19:14:13,889 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2022-12-13 19:14:13,889 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2022-12-13 19:14:13,889 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2022-12-13 19:14:13,889 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2022-12-13 19:14:13,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 19:14:13,890 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2022-12-13 19:14:13,890 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2022-12-13 19:14:13,890 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2022-12-13 19:14:13,890 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2022-12-13 19:14:13,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 19:14:13,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 19:14:14,066 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 19:14:14,068 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 19:14:14,726 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 19:14:14,734 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 19:14:14,734 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-13 19:14:14,735 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 07:14:14 BoogieIcfgContainer [2022-12-13 19:14:14,736 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 19:14:14,737 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 19:14:14,737 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 19:14:14,739 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 19:14:14,739 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 07:14:13" (1/3) ... [2022-12-13 19:14:14,740 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f0c3ed3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 07:14:14, skipping insertion in model container [2022-12-13 19:14:14,740 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:14:13" (2/3) ... [2022-12-13 19:14:14,740 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f0c3ed3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 07:14:14, skipping insertion in model container [2022-12-13 19:14:14,740 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 07:14:14" (3/3) ... [2022-12-13 19:14:14,741 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec1_product34.cil.c [2022-12-13 19:14:14,755 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 19:14:14,755 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 19:14:14,813 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 19:14:14,820 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=PETRI_NET, 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;@64ff6872, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 19:14:14,820 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 19:14:14,825 INFO L276 IsEmpty]: Start isEmpty. Operand has 447 states, 346 states have (on average 1.5375722543352601) internal successors, (532), 351 states have internal predecessors, (532), 71 states have call successors, (71), 28 states have call predecessors, (71), 28 states have return successors, (71), 70 states have call predecessors, (71), 71 states have call successors, (71) [2022-12-13 19:14:14,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-12-13 19:14:14,838 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:14:14,839 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:14:14,839 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:14:14,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:14:14,843 INFO L85 PathProgramCache]: Analyzing trace with hash 1466919949, now seen corresponding path program 1 times [2022-12-13 19:14:14,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:14:14,850 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297753593] [2022-12-13 19:14:14,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:14:14,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:14:14,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:15,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 19:14:15,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:15,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 19:14:15,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:15,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 19:14:15,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:15,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-12-13 19:14:15,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:15,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-12-13 19:14:15,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:15,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 19:14:15,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:15,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 19:14:15,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:15,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 19:14:15,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:15,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-12-13 19:14:15,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:15,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 19:14:15,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:15,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 19:14:15,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:15,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-12-13 19:14:15,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:15,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-12-13 19:14:15,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:15,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 19:14:15,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:15,299 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-12-13 19:14:15,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:14:15,300 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297753593] [2022-12-13 19:14:15,300 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [297753593] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 19:14:15,301 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2078737692] [2022-12-13 19:14:15,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:14:15,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:14:15,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b2127a9-d9b4-4993-96d3-a753c71ebc93/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:14:15,302 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b2127a9-d9b4-4993-96d3-a753c71ebc93/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 19:14:15,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b2127a9-d9b4-4993-96d3-a753c71ebc93/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 19:14:15,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:15,576 INFO L263 TraceCheckSpWp]: Trace formula consists of 1146 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-13 19:14:15,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:14:15,607 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-12-13 19:14:15,607 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 19:14:15,608 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2078737692] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:14:15,608 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 19:14:15,608 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 9 [2022-12-13 19:14:15,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181341890] [2022-12-13 19:14:15,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:14:15,616 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 19:14:15,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:14:15,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 19:14:15,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-12-13 19:14:15,647 INFO L87 Difference]: Start difference. First operand has 447 states, 346 states have (on average 1.5375722543352601) internal successors, (532), 351 states have internal predecessors, (532), 71 states have call successors, (71), 28 states have call predecessors, (71), 28 states have return successors, (71), 70 states have call predecessors, (71), 71 states have call successors, (71) Second operand has 2 states, 2 states have (on average 32.0) internal successors, (64), 2 states have internal predecessors, (64), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-13 19:14:15,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:14:15,720 INFO L93 Difference]: Finished difference Result 701 states and 1038 transitions. [2022-12-13 19:14:15,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 19:14:15,722 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 32.0) internal successors, (64), 2 states have internal predecessors, (64), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 110 [2022-12-13 19:14:15,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:14:15,736 INFO L225 Difference]: With dead ends: 701 [2022-12-13 19:14:15,736 INFO L226 Difference]: Without dead ends: 440 [2022-12-13 19:14:15,740 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-12-13 19:14:15,743 INFO L413 NwaCegarLoop]: 670 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 670 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 19:14:15,743 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 670 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 19:14:15,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2022-12-13 19:14:15,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 440. [2022-12-13 19:14:15,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 440 states, 340 states have (on average 1.5323529411764707) internal successors, (521), 344 states have internal predecessors, (521), 71 states have call successors, (71), 28 states have call predecessors, (71), 28 states have return successors, (70), 69 states have call predecessors, (70), 70 states have call successors, (70) [2022-12-13 19:14:15,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 440 states and 662 transitions. [2022-12-13 19:14:15,809 INFO L78 Accepts]: Start accepts. Automaton has 440 states and 662 transitions. Word has length 110 [2022-12-13 19:14:15,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:14:15,810 INFO L495 AbstractCegarLoop]: Abstraction has 440 states and 662 transitions. [2022-12-13 19:14:15,810 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 32.0) internal successors, (64), 2 states have internal predecessors, (64), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-13 19:14:15,811 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 662 transitions. [2022-12-13 19:14:15,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-12-13 19:14:15,816 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:14:15,816 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:14:15,824 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b2127a9-d9b4-4993-96d3-a753c71ebc93/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-13 19:14:16,017 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b2127a9-d9b4-4993-96d3-a753c71ebc93/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-12-13 19:14:16,017 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:14:16,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:14:16,018 INFO L85 PathProgramCache]: Analyzing trace with hash -467021498, now seen corresponding path program 1 times [2022-12-13 19:14:16,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:14:16,018 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26660813] [2022-12-13 19:14:16,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:14:16,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:14:16,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:16,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 19:14:16,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:16,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 19:14:16,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:16,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 19:14:16,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:16,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-12-13 19:14:16,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:16,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-12-13 19:14:16,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:16,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 19:14:16,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:16,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-12-13 19:14:16,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:16,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-12-13 19:14:16,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:16,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-12-13 19:14:16,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:16,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-12-13 19:14:16,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:16,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-12-13 19:14:16,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:16,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-12-13 19:14:16,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:16,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-12-13 19:14:16,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:16,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-12-13 19:14:16,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:16,334 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-12-13 19:14:16,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:14:16,335 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26660813] [2022-12-13 19:14:16,335 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [26660813] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 19:14:16,335 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [81921014] [2022-12-13 19:14:16,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:14:16,335 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:14:16,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b2127a9-d9b4-4993-96d3-a753c71ebc93/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:14:16,337 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b2127a9-d9b4-4993-96d3-a753c71ebc93/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 19:14:16,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b2127a9-d9b4-4993-96d3-a753c71ebc93/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-13 19:14:16,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:16,542 INFO L263 TraceCheckSpWp]: Trace formula consists of 1147 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 19:14:16,547 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:14:16,571 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-12-13 19:14:16,572 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 19:14:16,572 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [81921014] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:14:16,572 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 19:14:16,572 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2022-12-13 19:14:16,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190821474] [2022-12-13 19:14:16,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:14:16,573 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 19:14:16,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:14:16,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 19:14:16,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-12-13 19:14:16,575 INFO L87 Difference]: Start difference. First operand 440 states and 662 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-13 19:14:16,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:14:16,619 INFO L93 Difference]: Finished difference Result 691 states and 1016 transitions. [2022-12-13 19:14:16,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 19:14:16,619 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 111 [2022-12-13 19:14:16,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:14:16,623 INFO L225 Difference]: With dead ends: 691 [2022-12-13 19:14:16,623 INFO L226 Difference]: Without dead ends: 443 [2022-12-13 19:14:16,625 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-12-13 19:14:16,626 INFO L413 NwaCegarLoop]: 660 mSDtfsCounter, 1 mSDsluCounter, 658 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1318 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 19:14:16,627 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1318 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 19:14:16,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2022-12-13 19:14:16,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 442. [2022-12-13 19:14:16,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 442 states, 342 states have (on average 1.5292397660818713) internal successors, (523), 346 states have internal predecessors, (523), 71 states have call successors, (71), 28 states have call predecessors, (71), 28 states have return successors, (70), 69 states have call predecessors, (70), 70 states have call successors, (70) [2022-12-13 19:14:16,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 442 states and 664 transitions. [2022-12-13 19:14:16,655 INFO L78 Accepts]: Start accepts. Automaton has 442 states and 664 transitions. Word has length 111 [2022-12-13 19:14:16,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:14:16,655 INFO L495 AbstractCegarLoop]: Abstraction has 442 states and 664 transitions. [2022-12-13 19:14:16,655 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-13 19:14:16,655 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 664 transitions. [2022-12-13 19:14:16,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-12-13 19:14:16,659 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:14:16,659 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:14:16,665 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b2127a9-d9b4-4993-96d3-a753c71ebc93/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-13 19:14:16,859 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b2127a9-d9b4-4993-96d3-a753c71ebc93/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2022-12-13 19:14:16,860 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:14:16,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:14:16,860 INFO L85 PathProgramCache]: Analyzing trace with hash -2076566883, now seen corresponding path program 1 times [2022-12-13 19:14:16,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:14:16,861 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977090897] [2022-12-13 19:14:16,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:14:16,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:14:16,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:17,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 19:14:17,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:17,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 19:14:17,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:17,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 19:14:17,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:17,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-12-13 19:14:17,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:17,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-12-13 19:14:17,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:17,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 19:14:17,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:17,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-12-13 19:14:17,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:17,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-12-13 19:14:17,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:17,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-12-13 19:14:17,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:17,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-12-13 19:14:17,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:17,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-12-13 19:14:17,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:17,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 19:14:17,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:17,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 19:14:17,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:17,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-12-13 19:14:17,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:17,083 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-13 19:14:17,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:14:17,083 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977090897] [2022-12-13 19:14:17,083 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [977090897] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 19:14:17,083 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1569677008] [2022-12-13 19:14:17,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:14:17,084 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:14:17,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b2127a9-d9b4-4993-96d3-a753c71ebc93/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:14:17,085 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b2127a9-d9b4-4993-96d3-a753c71ebc93/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 19:14:17,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b2127a9-d9b4-4993-96d3-a753c71ebc93/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-13 19:14:17,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:17,290 INFO L263 TraceCheckSpWp]: Trace formula consists of 1161 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 19:14:17,293 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:14:17,313 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-12-13 19:14:17,313 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 19:14:17,314 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1569677008] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:14:17,314 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 19:14:17,314 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2022-12-13 19:14:17,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368028433] [2022-12-13 19:14:17,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:14:17,315 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 19:14:17,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:14:17,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 19:14:17,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-12-13 19:14:17,316 INFO L87 Difference]: Start difference. First operand 442 states and 664 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, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-13 19:14:17,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:14:17,354 INFO L93 Difference]: Finished difference Result 932 states and 1420 transitions. [2022-12-13 19:14:17,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 19:14:17,355 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, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 117 [2022-12-13 19:14:17,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:14:17,359 INFO L225 Difference]: With dead ends: 932 [2022-12-13 19:14:17,359 INFO L226 Difference]: Without dead ends: 517 [2022-12-13 19:14:17,361 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-12-13 19:14:17,362 INFO L413 NwaCegarLoop]: 690 mSDtfsCounter, 134 mSDsluCounter, 617 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 1307 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 19:14:17,363 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 1307 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 19:14:17,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 517 states. [2022-12-13 19:14:17,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 517 to 509. [2022-12-13 19:14:17,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 509 states, 395 states have (on average 1.549367088607595) internal successors, (612), 399 states have internal predecessors, (612), 85 states have call successors, (85), 28 states have call predecessors, (85), 28 states have return successors, (84), 83 states have call predecessors, (84), 84 states have call successors, (84) [2022-12-13 19:14:17,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 509 states and 781 transitions. [2022-12-13 19:14:17,391 INFO L78 Accepts]: Start accepts. Automaton has 509 states and 781 transitions. Word has length 117 [2022-12-13 19:14:17,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:14:17,391 INFO L495 AbstractCegarLoop]: Abstraction has 509 states and 781 transitions. [2022-12-13 19:14:17,391 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, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-13 19:14:17,391 INFO L276 IsEmpty]: Start isEmpty. Operand 509 states and 781 transitions. [2022-12-13 19:14:17,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-12-13 19:14:17,394 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:14:17,395 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:14:17,401 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b2127a9-d9b4-4993-96d3-a753c71ebc93/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-13 19:14:17,595 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b2127a9-d9b4-4993-96d3-a753c71ebc93/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:14:17,595 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:14:17,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:14:17,596 INFO L85 PathProgramCache]: Analyzing trace with hash -39840388, now seen corresponding path program 1 times [2022-12-13 19:14:17,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:14:17,596 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122585748] [2022-12-13 19:14:17,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:14:17,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:14:17,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:17,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 19:14:17,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:17,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 19:14:17,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:17,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 19:14:17,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:17,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-12-13 19:14:17,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:17,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-12-13 19:14:17,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:17,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 19:14:17,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:17,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-12-13 19:14:17,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:17,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-12-13 19:14:17,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:17,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 19:14:17,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:17,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-12-13 19:14:17,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:17,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-12-13 19:14:17,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:17,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-12-13 19:14:17,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:17,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-12-13 19:14:17,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:17,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-12-13 19:14:17,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:17,773 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-13 19:14:17,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:14:17,773 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122585748] [2022-12-13 19:14:17,773 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1122585748] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 19:14:17,773 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1426771197] [2022-12-13 19:14:17,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:14:17,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:14:17,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b2127a9-d9b4-4993-96d3-a753c71ebc93/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:14:17,775 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b2127a9-d9b4-4993-96d3-a753c71ebc93/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 19:14:17,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b2127a9-d9b4-4993-96d3-a753c71ebc93/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-13 19:14:17,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:17,990 INFO L263 TraceCheckSpWp]: Trace formula consists of 1168 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-13 19:14:17,995 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:14:18,059 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-12-13 19:14:18,059 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 19:14:18,060 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1426771197] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:14:18,060 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 19:14:18,060 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2022-12-13 19:14:18,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866056721] [2022-12-13 19:14:18,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:14:18,061 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 19:14:18,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:14:18,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 19:14:18,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-12-13 19:14:18,062 INFO L87 Difference]: Start difference. First operand 509 states and 781 transitions. Second operand has 5 states, 4 states have (on average 20.0) internal successors, (80), 5 states have internal predecessors, (80), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2022-12-13 19:14:18,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:14:18,134 INFO L93 Difference]: Finished difference Result 1009 states and 1552 transitions. [2022-12-13 19:14:18,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 19:14:18,134 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 20.0) internal successors, (80), 5 states have internal predecessors, (80), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) Word has length 118 [2022-12-13 19:14:18,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:14:18,139 INFO L225 Difference]: With dead ends: 1009 [2022-12-13 19:14:18,139 INFO L226 Difference]: Without dead ends: 511 [2022-12-13 19:14:18,142 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2022-12-13 19:14:18,143 INFO L413 NwaCegarLoop]: 653 mSDtfsCounter, 152 mSDsluCounter, 1784 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 2437 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 19:14:18,143 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 2437 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 19:14:18,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 511 states. [2022-12-13 19:14:18,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 511 to 511. [2022-12-13 19:14:18,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 511 states, 396 states have (on average 1.547979797979798) internal successors, (613), 401 states have internal predecessors, (613), 85 states have call successors, (85), 28 states have call predecessors, (85), 29 states have return successors, (86), 83 states have call predecessors, (86), 84 states have call successors, (86) [2022-12-13 19:14:18,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 511 states and 784 transitions. [2022-12-13 19:14:18,166 INFO L78 Accepts]: Start accepts. Automaton has 511 states and 784 transitions. Word has length 118 [2022-12-13 19:14:18,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:14:18,167 INFO L495 AbstractCegarLoop]: Abstraction has 511 states and 784 transitions. [2022-12-13 19:14:18,167 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.0) internal successors, (80), 5 states have internal predecessors, (80), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2022-12-13 19:14:18,167 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 784 transitions. [2022-12-13 19:14:18,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-12-13 19:14:18,170 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:14:18,170 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:14:18,182 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b2127a9-d9b4-4993-96d3-a753c71ebc93/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-13 19:14:18,371 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b2127a9-d9b4-4993-96d3-a753c71ebc93/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:14:18,372 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:14:18,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:14:18,372 INFO L85 PathProgramCache]: Analyzing trace with hash -1820964723, now seen corresponding path program 1 times [2022-12-13 19:14:18,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:14:18,373 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109327617] [2022-12-13 19:14:18,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:14:18,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:14:18,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:18,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 19:14:18,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:18,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 19:14:18,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:18,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 19:14:18,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:18,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 19:14:18,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:18,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-12-13 19:14:18,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:18,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-12-13 19:14:18,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:18,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-12-13 19:14:18,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:18,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-12-13 19:14:18,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:18,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-12-13 19:14:18,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:18,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 19:14:18,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:18,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-12-13 19:14:18,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:18,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-12-13 19:14:18,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:18,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-12-13 19:14:18,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:18,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-12-13 19:14:18,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:18,662 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-12-13 19:14:18,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:14:18,662 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109327617] [2022-12-13 19:14:18,662 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2109327617] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 19:14:18,662 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1948882085] [2022-12-13 19:14:18,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:14:18,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:14:18,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b2127a9-d9b4-4993-96d3-a753c71ebc93/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:14:18,663 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b2127a9-d9b4-4993-96d3-a753c71ebc93/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 19:14:18,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b2127a9-d9b4-4993-96d3-a753c71ebc93/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-13 19:14:18,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:18,876 INFO L263 TraceCheckSpWp]: Trace formula consists of 1169 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-13 19:14:18,881 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:14:18,927 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-12-13 19:14:18,927 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 19:14:18,927 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1948882085] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:14:18,927 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 19:14:18,927 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2022-12-13 19:14:18,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573288761] [2022-12-13 19:14:18,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:14:18,928 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 19:14:18,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:14:18,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 19:14:18,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2022-12-13 19:14:18,929 INFO L87 Difference]: Start difference. First operand 511 states and 784 transitions. Second operand has 5 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-12-13 19:14:19,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:14:19,008 INFO L93 Difference]: Finished difference Result 1011 states and 1557 transitions. [2022-12-13 19:14:19,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 19:14:19,009 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 119 [2022-12-13 19:14:19,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:14:19,012 INFO L225 Difference]: With dead ends: 1011 [2022-12-13 19:14:19,012 INFO L226 Difference]: Without dead ends: 513 [2022-12-13 19:14:19,014 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2022-12-13 19:14:19,015 INFO L413 NwaCegarLoop]: 651 mSDtfsCounter, 151 mSDsluCounter, 1775 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 2426 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 19:14:19,015 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [174 Valid, 2426 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 19:14:19,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 513 states. [2022-12-13 19:14:19,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 513 to 513. [2022-12-13 19:14:19,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 513 states, 397 states have (on average 1.5465994962216625) internal successors, (614), 403 states have internal predecessors, (614), 85 states have call successors, (85), 28 states have call predecessors, (85), 30 states have return successors, (91), 83 states have call predecessors, (91), 84 states have call successors, (91) [2022-12-13 19:14:19,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 513 states and 790 transitions. [2022-12-13 19:14:19,040 INFO L78 Accepts]: Start accepts. Automaton has 513 states and 790 transitions. Word has length 119 [2022-12-13 19:14:19,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:14:19,040 INFO L495 AbstractCegarLoop]: Abstraction has 513 states and 790 transitions. [2022-12-13 19:14:19,041 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-12-13 19:14:19,041 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 790 transitions. [2022-12-13 19:14:19,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-12-13 19:14:19,043 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:14:19,043 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:14:19,049 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b2127a9-d9b4-4993-96d3-a753c71ebc93/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-12-13 19:14:19,243 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b2127a9-d9b4-4993-96d3-a753c71ebc93/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:14:19,243 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:14:19,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:14:19,244 INFO L85 PathProgramCache]: Analyzing trace with hash 350854511, now seen corresponding path program 1 times [2022-12-13 19:14:19,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:14:19,244 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93943976] [2022-12-13 19:14:19,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:14:19,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:14:19,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:19,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 19:14:19,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:19,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 19:14:19,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:19,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 19:14:19,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:19,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 19:14:19,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:19,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 19:14:19,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:19,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-12-13 19:14:19,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:19,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-12-13 19:14:19,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:19,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-12-13 19:14:19,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:19,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-12-13 19:14:19,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:19,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-12-13 19:14:19,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:19,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-12-13 19:14:19,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:19,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-12-13 19:14:19,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:19,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-12-13 19:14:19,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:19,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-12-13 19:14:19,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:19,393 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-13 19:14:19,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:14:19,393 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93943976] [2022-12-13 19:14:19,393 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [93943976] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:14:19,393 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:14:19,393 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-13 19:14:19,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78312942] [2022-12-13 19:14:19,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:14:19,394 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 19:14:19,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:14:19,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 19:14:19,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-12-13 19:14:19,395 INFO L87 Difference]: Start difference. First operand 513 states and 790 transitions. Second operand has 9 states, 8 states have (on average 9.75) internal successors, (78), 5 states have internal predecessors, (78), 3 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2022-12-13 19:14:21,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:14:21,549 INFO L93 Difference]: Finished difference Result 1207 states and 1875 transitions. [2022-12-13 19:14:21,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-13 19:14:21,550 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 9.75) internal successors, (78), 5 states have internal predecessors, (78), 3 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) Word has length 120 [2022-12-13 19:14:21,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:14:21,555 INFO L225 Difference]: With dead ends: 1207 [2022-12-13 19:14:21,555 INFO L226 Difference]: Without dead ends: 717 [2022-12-13 19:14:21,557 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2022-12-13 19:14:21,558 INFO L413 NwaCegarLoop]: 205 mSDtfsCounter, 1649 mSDsluCounter, 985 mSDsCounter, 0 mSdLazyCounter, 3422 mSolverCounterSat, 655 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1670 SdHoareTripleChecker+Valid, 1190 SdHoareTripleChecker+Invalid, 4077 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 655 IncrementalHoareTripleChecker+Valid, 3422 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-12-13 19:14:21,558 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1670 Valid, 1190 Invalid, 4077 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [655 Valid, 3422 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-12-13 19:14:21,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 717 states. [2022-12-13 19:14:21,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 717 to 513. [2022-12-13 19:14:21,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 513 states, 397 states have (on average 1.5465994962216625) internal successors, (614), 403 states have internal predecessors, (614), 85 states have call successors, (85), 28 states have call predecessors, (85), 30 states have return successors, (90), 83 states have call predecessors, (90), 84 states have call successors, (90) [2022-12-13 19:14:21,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 513 states and 789 transitions. [2022-12-13 19:14:21,612 INFO L78 Accepts]: Start accepts. Automaton has 513 states and 789 transitions. Word has length 120 [2022-12-13 19:14:21,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:14:21,612 INFO L495 AbstractCegarLoop]: Abstraction has 513 states and 789 transitions. [2022-12-13 19:14:21,612 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 9.75) internal successors, (78), 5 states have internal predecessors, (78), 3 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2022-12-13 19:14:21,612 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 789 transitions. [2022-12-13 19:14:21,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-12-13 19:14:21,615 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:14:21,615 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:14:21,615 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 19:14:21,615 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:14:21,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:14:21,616 INFO L85 PathProgramCache]: Analyzing trace with hash 1406877538, now seen corresponding path program 2 times [2022-12-13 19:14:21,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:14:21,616 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579594723] [2022-12-13 19:14:21,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:14:21,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:14:21,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:21,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 19:14:21,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:21,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 19:14:21,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:21,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 19:14:21,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:21,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 19:14:21,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:21,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 19:14:21,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:21,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-12-13 19:14:21,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:21,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 19:14:21,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:21,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-12-13 19:14:21,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:21,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-12-13 19:14:21,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:21,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 19:14:21,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:21,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-12-13 19:14:21,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:21,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-12-13 19:14:21,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:21,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-12-13 19:14:21,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:21,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 19:14:21,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:21,763 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-13 19:14:21,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:14:21,763 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1579594723] [2022-12-13 19:14:21,763 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1579594723] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:14:21,763 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:14:21,763 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-13 19:14:21,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764762898] [2022-12-13 19:14:21,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:14:21,764 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 19:14:21,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:14:21,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 19:14:21,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-12-13 19:14:21,765 INFO L87 Difference]: Start difference. First operand 513 states and 789 transitions. Second operand has 9 states, 8 states have (on average 9.875) internal successors, (79), 5 states have internal predecessors, (79), 3 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2022-12-13 19:14:23,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:14:23,815 INFO L93 Difference]: Finished difference Result 1209 states and 1878 transitions. [2022-12-13 19:14:23,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-13 19:14:23,816 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 9.875) internal successors, (79), 5 states have internal predecessors, (79), 3 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) Word has length 121 [2022-12-13 19:14:23,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:14:23,820 INFO L225 Difference]: With dead ends: 1209 [2022-12-13 19:14:23,820 INFO L226 Difference]: Without dead ends: 719 [2022-12-13 19:14:23,821 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2022-12-13 19:14:23,821 INFO L413 NwaCegarLoop]: 205 mSDtfsCounter, 1644 mSDsluCounter, 985 mSDsCounter, 0 mSdLazyCounter, 3431 mSolverCounterSat, 655 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1665 SdHoareTripleChecker+Valid, 1190 SdHoareTripleChecker+Invalid, 4086 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 655 IncrementalHoareTripleChecker+Valid, 3431 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-12-13 19:14:23,821 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1665 Valid, 1190 Invalid, 4086 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [655 Valid, 3431 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-12-13 19:14:23,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 719 states. [2022-12-13 19:14:23,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 719 to 515. [2022-12-13 19:14:23,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 515 states, 398 states have (on average 1.5452261306532664) internal successors, (615), 405 states have internal predecessors, (615), 85 states have call successors, (85), 28 states have call predecessors, (85), 31 states have return successors, (92), 83 states have call predecessors, (92), 84 states have call successors, (92) [2022-12-13 19:14:23,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 515 states and 792 transitions. [2022-12-13 19:14:23,850 INFO L78 Accepts]: Start accepts. Automaton has 515 states and 792 transitions. Word has length 121 [2022-12-13 19:14:23,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:14:23,850 INFO L495 AbstractCegarLoop]: Abstraction has 515 states and 792 transitions. [2022-12-13 19:14:23,850 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 9.875) internal successors, (79), 5 states have internal predecessors, (79), 3 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2022-12-13 19:14:23,850 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 792 transitions. [2022-12-13 19:14:23,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-12-13 19:14:23,851 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:14:23,852 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:14:23,852 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 19:14:23,852 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:14:23,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:14:23,852 INFO L85 PathProgramCache]: Analyzing trace with hash 1329866986, now seen corresponding path program 1 times [2022-12-13 19:14:23,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:14:23,852 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846545589] [2022-12-13 19:14:23,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:14:23,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:14:23,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:23,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 19:14:23,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:23,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 19:14:23,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:23,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 19:14:23,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:23,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 19:14:23,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:23,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 19:14:23,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:23,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-12-13 19:14:23,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:23,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-12-13 19:14:23,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:24,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-12-13 19:14:24,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:24,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-12-13 19:14:24,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:24,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-12-13 19:14:24,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:24,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-12-13 19:14:24,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:24,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-12-13 19:14:24,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:24,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-12-13 19:14:24,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:24,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 19:14:24,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:24,020 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-12-13 19:14:24,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:14:24,020 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846545589] [2022-12-13 19:14:24,020 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [846545589] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:14:24,020 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:14:24,020 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-12-13 19:14:24,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969893861] [2022-12-13 19:14:24,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:14:24,021 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-13 19:14:24,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:14:24,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-13 19:14:24,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2022-12-13 19:14:24,022 INFO L87 Difference]: Start difference. First operand 515 states and 792 transitions. Second operand has 12 states, 11 states have (on average 7.545454545454546) internal successors, (83), 8 states have internal predecessors, (83), 4 states have call successors, (17), 6 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14) [2022-12-13 19:14:26,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:14:26,753 INFO L93 Difference]: Finished difference Result 1207 states and 1873 transitions. [2022-12-13 19:14:26,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-13 19:14:26,754 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.545454545454546) internal successors, (83), 8 states have internal predecessors, (83), 4 states have call successors, (17), 6 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14) Word has length 122 [2022-12-13 19:14:26,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:14:26,756 INFO L225 Difference]: With dead ends: 1207 [2022-12-13 19:14:26,756 INFO L226 Difference]: Without dead ends: 719 [2022-12-13 19:14:26,758 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=112, Invalid=440, Unknown=0, NotChecked=0, Total=552 [2022-12-13 19:14:26,758 INFO L413 NwaCegarLoop]: 199 mSDtfsCounter, 1789 mSDsluCounter, 1358 mSDsCounter, 0 mSdLazyCounter, 5728 mSolverCounterSat, 715 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1789 SdHoareTripleChecker+Valid, 1557 SdHoareTripleChecker+Invalid, 6443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 715 IncrementalHoareTripleChecker+Valid, 5728 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-12-13 19:14:26,758 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1789 Valid, 1557 Invalid, 6443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [715 Valid, 5728 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-12-13 19:14:26,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 719 states. [2022-12-13 19:14:26,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 719 to 515. [2022-12-13 19:14:26,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 515 states, 398 states have (on average 1.5452261306532664) internal successors, (615), 405 states have internal predecessors, (615), 85 states have call successors, (85), 28 states have call predecessors, (85), 31 states have return successors, (91), 83 states have call predecessors, (91), 84 states have call successors, (91) [2022-12-13 19:14:26,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 515 states and 791 transitions. [2022-12-13 19:14:26,788 INFO L78 Accepts]: Start accepts. Automaton has 515 states and 791 transitions. Word has length 122 [2022-12-13 19:14:26,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:14:26,788 INFO L495 AbstractCegarLoop]: Abstraction has 515 states and 791 transitions. [2022-12-13 19:14:26,788 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.545454545454546) internal successors, (83), 8 states have internal predecessors, (83), 4 states have call successors, (17), 6 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14) [2022-12-13 19:14:26,788 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 791 transitions. [2022-12-13 19:14:26,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-12-13 19:14:26,789 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:14:26,790 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:14:26,790 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-13 19:14:26,790 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:14:26,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:14:26,790 INFO L85 PathProgramCache]: Analyzing trace with hash -418626466, now seen corresponding path program 2 times [2022-12-13 19:14:26,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:14:26,790 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136912406] [2022-12-13 19:14:26,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:14:26,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:14:26,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:26,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 19:14:26,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:26,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 19:14:26,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:26,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 19:14:26,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:26,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 19:14:26,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:26,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 19:14:26,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:26,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-12-13 19:14:26,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:26,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-12-13 19:14:26,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:26,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-12-13 19:14:26,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:26,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-12-13 19:14:26,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:26,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 19:14:26,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:26,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 19:14:26,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:26,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-12-13 19:14:26,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:26,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-12-13 19:14:26,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:26,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-12-13 19:14:26,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:26,961 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-12-13 19:14:26,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:14:26,961 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136912406] [2022-12-13 19:14:26,961 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [136912406] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:14:26,961 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:14:26,961 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-12-13 19:14:26,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439774222] [2022-12-13 19:14:26,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:14:26,962 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-13 19:14:26,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:14:26,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-13 19:14:26,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2022-12-13 19:14:26,963 INFO L87 Difference]: Start difference. First operand 515 states and 791 transitions. Second operand has 12 states, 11 states have (on average 7.636363636363637) internal successors, (84), 8 states have internal predecessors, (84), 4 states have call successors, (17), 6 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14) [2022-12-13 19:14:29,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:14:29,697 INFO L93 Difference]: Finished difference Result 1209 states and 1879 transitions. [2022-12-13 19:14:29,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-13 19:14:29,697 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.636363636363637) internal successors, (84), 8 states have internal predecessors, (84), 4 states have call successors, (17), 6 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14) Word has length 123 [2022-12-13 19:14:29,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:14:29,702 INFO L225 Difference]: With dead ends: 1209 [2022-12-13 19:14:29,702 INFO L226 Difference]: Without dead ends: 721 [2022-12-13 19:14:29,703 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=112, Invalid=440, Unknown=0, NotChecked=0, Total=552 [2022-12-13 19:14:29,704 INFO L413 NwaCegarLoop]: 199 mSDtfsCounter, 1786 mSDsluCounter, 1358 mSDsCounter, 0 mSdLazyCounter, 5781 mSolverCounterSat, 696 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1786 SdHoareTripleChecker+Valid, 1557 SdHoareTripleChecker+Invalid, 6477 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 696 IncrementalHoareTripleChecker+Valid, 5781 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-12-13 19:14:29,704 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1786 Valid, 1557 Invalid, 6477 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [696 Valid, 5781 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-12-13 19:14:29,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 721 states. [2022-12-13 19:14:29,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 721 to 517. [2022-12-13 19:14:29,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 517 states, 399 states have (on average 1.543859649122807) internal successors, (616), 407 states have internal predecessors, (616), 85 states have call successors, (85), 28 states have call predecessors, (85), 32 states have return successors, (96), 83 states have call predecessors, (96), 84 states have call successors, (96) [2022-12-13 19:14:29,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 517 states and 797 transitions. [2022-12-13 19:14:29,736 INFO L78 Accepts]: Start accepts. Automaton has 517 states and 797 transitions. Word has length 123 [2022-12-13 19:14:29,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:14:29,736 INFO L495 AbstractCegarLoop]: Abstraction has 517 states and 797 transitions. [2022-12-13 19:14:29,736 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.636363636363637) internal successors, (84), 8 states have internal predecessors, (84), 4 states have call successors, (17), 6 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14) [2022-12-13 19:14:29,736 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 797 transitions. [2022-12-13 19:14:29,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-12-13 19:14:29,737 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:14:29,738 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:14:29,738 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-13 19:14:29,738 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:14:29,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:14:29,738 INFO L85 PathProgramCache]: Analyzing trace with hash -1643604795, now seen corresponding path program 1 times [2022-12-13 19:14:29,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:14:29,738 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741426271] [2022-12-13 19:14:29,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:14:29,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:14:29,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:29,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 19:14:29,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:29,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 19:14:29,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:29,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 19:14:29,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:29,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 19:14:29,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:29,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 19:14:29,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:29,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-12-13 19:14:29,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:29,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-12-13 19:14:29,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:29,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 19:14:29,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:29,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-12-13 19:14:29,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:29,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-12-13 19:14:29,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:29,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-12-13 19:14:29,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:29,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-12-13 19:14:29,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:29,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-12-13 19:14:29,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:29,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-12-13 19:14:29,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:29,847 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-12-13 19:14:29,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:14:29,847 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [741426271] [2022-12-13 19:14:29,847 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [741426271] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 19:14:29,848 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [11111130] [2022-12-13 19:14:29,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:14:29,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:14:29,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b2127a9-d9b4-4993-96d3-a753c71ebc93/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:14:29,849 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b2127a9-d9b4-4993-96d3-a753c71ebc93/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 19:14:29,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b2127a9-d9b4-4993-96d3-a753c71ebc93/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-13 19:14:30,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:30,043 INFO L263 TraceCheckSpWp]: Trace formula consists of 1174 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 19:14:30,046 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:14:30,067 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-12-13 19:14:30,068 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 19:14:30,127 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-12-13 19:14:30,127 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [11111130] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 19:14:30,127 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 19:14:30,127 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 11 [2022-12-13 19:14:30,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92607108] [2022-12-13 19:14:30,128 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 19:14:30,128 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-13 19:14:30,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:14:30,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-13 19:14:30,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2022-12-13 19:14:30,129 INFO L87 Difference]: Start difference. First operand 517 states and 797 transitions. Second operand has 11 states, 11 states have (on average 10.909090909090908) internal successors, (120), 7 states have internal predecessors, (120), 2 states have call successors, (34), 6 states have call predecessors, (34), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-12-13 19:14:32,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:14:32,096 INFO L93 Difference]: Finished difference Result 1411 states and 2272 transitions. [2022-12-13 19:14:32,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-13 19:14:32,097 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 10.909090909090908) internal successors, (120), 7 states have internal predecessors, (120), 2 states have call successors, (34), 6 states have call predecessors, (34), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 124 [2022-12-13 19:14:32,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:14:32,101 INFO L225 Difference]: With dead ends: 1411 [2022-12-13 19:14:32,101 INFO L226 Difference]: Without dead ends: 1163 [2022-12-13 19:14:32,102 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 288 GetRequests, 273 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2022-12-13 19:14:32,102 INFO L413 NwaCegarLoop]: 300 mSDtfsCounter, 2129 mSDsluCounter, 1380 mSDsCounter, 0 mSdLazyCounter, 2370 mSolverCounterSat, 873 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2183 SdHoareTripleChecker+Valid, 1680 SdHoareTripleChecker+Invalid, 3243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 873 IncrementalHoareTripleChecker+Valid, 2370 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-12-13 19:14:32,103 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2183 Valid, 1680 Invalid, 3243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [873 Valid, 2370 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-12-13 19:14:32,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1163 states. [2022-12-13 19:14:32,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1163 to 935. [2022-12-13 19:14:32,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 935 states, 738 states have (on average 1.6111111111111112) internal successors, (1189), 746 states have internal predecessors, (1189), 164 states have call successors, (164), 28 states have call predecessors, (164), 32 states have return successors, (185), 162 states have call predecessors, (185), 163 states have call successors, (185) [2022-12-13 19:14:32,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 935 states to 935 states and 1538 transitions. [2022-12-13 19:14:32,160 INFO L78 Accepts]: Start accepts. Automaton has 935 states and 1538 transitions. Word has length 124 [2022-12-13 19:14:32,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:14:32,160 INFO L495 AbstractCegarLoop]: Abstraction has 935 states and 1538 transitions. [2022-12-13 19:14:32,160 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 10.909090909090908) internal successors, (120), 7 states have internal predecessors, (120), 2 states have call successors, (34), 6 states have call predecessors, (34), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-12-13 19:14:32,160 INFO L276 IsEmpty]: Start isEmpty. Operand 935 states and 1538 transitions. [2022-12-13 19:14:32,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-12-13 19:14:32,163 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:14:32,163 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:14:32,170 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b2127a9-d9b4-4993-96d3-a753c71ebc93/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-12-13 19:14:32,363 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b2127a9-d9b4-4993-96d3-a753c71ebc93/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-12-13 19:14:32,364 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:14:32,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:14:32,364 INFO L85 PathProgramCache]: Analyzing trace with hash 1540379912, now seen corresponding path program 1 times [2022-12-13 19:14:32,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:14:32,364 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901880987] [2022-12-13 19:14:32,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:14:32,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:14:32,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:32,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 19:14:32,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:32,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 19:14:32,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:32,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 19:14:32,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:32,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 19:14:32,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:32,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 19:14:32,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:32,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-12-13 19:14:32,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:32,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-12-13 19:14:32,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:32,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-12-13 19:14:32,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:32,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-12-13 19:14:32,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:32,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-12-13 19:14:32,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:32,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-12-13 19:14:32,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:32,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-12-13 19:14:32,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:32,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-12-13 19:14:32,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:32,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-12-13 19:14:32,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:32,453 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-12-13 19:14:32,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:14:32,453 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901880987] [2022-12-13 19:14:32,453 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [901880987] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:14:32,453 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:14:32,454 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 19:14:32,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813953543] [2022-12-13 19:14:32,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:14:32,454 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 19:14:32,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:14:32,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 19:14:32,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-13 19:14:32,455 INFO L87 Difference]: Start difference. First operand 935 states and 1538 transitions. Second operand has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-13 19:14:34,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:14:34,013 INFO L93 Difference]: Finished difference Result 2429 states and 4073 transitions. [2022-12-13 19:14:34,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 19:14:34,013 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 130 [2022-12-13 19:14:34,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:14:34,020 INFO L225 Difference]: With dead ends: 2429 [2022-12-13 19:14:34,020 INFO L226 Difference]: Without dead ends: 1562 [2022-12-13 19:14:34,023 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-12-13 19:14:34,023 INFO L413 NwaCegarLoop]: 241 mSDtfsCounter, 1623 mSDsluCounter, 789 mSDsCounter, 0 mSdLazyCounter, 2057 mSolverCounterSat, 713 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1641 SdHoareTripleChecker+Valid, 1030 SdHoareTripleChecker+Invalid, 2770 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 713 IncrementalHoareTripleChecker+Valid, 2057 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-12-13 19:14:34,024 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1641 Valid, 1030 Invalid, 2770 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [713 Valid, 2057 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-12-13 19:14:34,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1562 states. [2022-12-13 19:14:34,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1562 to 1350. [2022-12-13 19:14:34,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1350 states, 1074 states have (on average 1.6284916201117319) internal successors, (1749), 1082 states have internal predecessors, (1749), 243 states have call successors, (243), 28 states have call predecessors, (243), 32 states have return successors, (274), 241 states have call predecessors, (274), 242 states have call successors, (274) [2022-12-13 19:14:34,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1350 states to 1350 states and 2266 transitions. [2022-12-13 19:14:34,148 INFO L78 Accepts]: Start accepts. Automaton has 1350 states and 2266 transitions. Word has length 130 [2022-12-13 19:14:34,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:14:34,148 INFO L495 AbstractCegarLoop]: Abstraction has 1350 states and 2266 transitions. [2022-12-13 19:14:34,149 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-13 19:14:34,149 INFO L276 IsEmpty]: Start isEmpty. Operand 1350 states and 2266 transitions. [2022-12-13 19:14:34,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-12-13 19:14:34,155 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:14:34,156 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:14:34,156 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-13 19:14:34,156 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:14:34,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:14:34,156 INFO L85 PathProgramCache]: Analyzing trace with hash -1370544268, now seen corresponding path program 1 times [2022-12-13 19:14:34,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:14:34,157 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175954730] [2022-12-13 19:14:34,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:14:34,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:14:34,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:34,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 19:14:34,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:34,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 19:14:34,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:34,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 19:14:34,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:34,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 19:14:34,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:34,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 19:14:34,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:34,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-12-13 19:14:34,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:34,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-12-13 19:14:34,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:34,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-12-13 19:14:34,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:34,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 19:14:34,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:34,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-12-13 19:14:34,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:34,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-12-13 19:14:34,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:34,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-12-13 19:14:34,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:34,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-12-13 19:14:34,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:34,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-12-13 19:14:34,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:34,248 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-12-13 19:14:34,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:14:34,248 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175954730] [2022-12-13 19:14:34,248 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1175954730] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:14:34,248 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:14:34,248 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 19:14:34,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440255936] [2022-12-13 19:14:34,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:14:34,249 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 19:14:34,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:14:34,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 19:14:34,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-13 19:14:34,249 INFO L87 Difference]: Start difference. First operand 1350 states and 2266 transitions. Second operand has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-13 19:14:35,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:14:35,765 INFO L93 Difference]: Finished difference Result 3443 states and 5851 transitions. [2022-12-13 19:14:35,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 19:14:35,765 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 131 [2022-12-13 19:14:35,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:14:35,772 INFO L225 Difference]: With dead ends: 3443 [2022-12-13 19:14:35,772 INFO L226 Difference]: Without dead ends: 2214 [2022-12-13 19:14:35,780 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-12-13 19:14:35,780 INFO L413 NwaCegarLoop]: 232 mSDtfsCounter, 1621 mSDsluCounter, 771 mSDsCounter, 0 mSdLazyCounter, 2032 mSolverCounterSat, 722 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1639 SdHoareTripleChecker+Valid, 1003 SdHoareTripleChecker+Invalid, 2754 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 722 IncrementalHoareTripleChecker+Valid, 2032 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-12-13 19:14:35,780 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1639 Valid, 1003 Invalid, 2754 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [722 Valid, 2032 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-12-13 19:14:35,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2214 states. [2022-12-13 19:14:35,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2214 to 2002. [2022-12-13 19:14:35,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2002 states, 1607 states have (on average 1.6403235843186061) internal successors, (2636), 1615 states have internal predecessors, (2636), 362 states have call successors, (362), 28 states have call predecessors, (362), 32 states have return successors, (393), 360 states have call predecessors, (393), 361 states have call successors, (393) [2022-12-13 19:14:35,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2002 states to 2002 states and 3391 transitions. [2022-12-13 19:14:35,888 INFO L78 Accepts]: Start accepts. Automaton has 2002 states and 3391 transitions. Word has length 131 [2022-12-13 19:14:35,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:14:35,888 INFO L495 AbstractCegarLoop]: Abstraction has 2002 states and 3391 transitions. [2022-12-13 19:14:35,888 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-13 19:14:35,888 INFO L276 IsEmpty]: Start isEmpty. Operand 2002 states and 3391 transitions. [2022-12-13 19:14:35,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-12-13 19:14:35,895 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:14:35,895 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:14:35,895 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-13 19:14:35,895 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:14:35,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:14:35,895 INFO L85 PathProgramCache]: Analyzing trace with hash -441035802, now seen corresponding path program 1 times [2022-12-13 19:14:35,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:14:35,895 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704012322] [2022-12-13 19:14:35,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:14:35,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:14:35,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:35,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 19:14:35,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:35,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 19:14:35,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:35,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 19:14:35,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:35,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 19:14:35,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:35,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 19:14:35,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:35,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-12-13 19:14:35,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:35,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 19:14:35,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:35,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-12-13 19:14:35,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:35,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-12-13 19:14:35,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:35,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 19:14:35,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:35,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-12-13 19:14:35,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:35,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-12-13 19:14:35,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:35,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-12-13 19:14:35,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:35,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 19:14:35,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:35,994 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-12-13 19:14:35,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:14:35,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704012322] [2022-12-13 19:14:35,994 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1704012322] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:14:35,994 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:14:35,994 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 19:14:35,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46098794] [2022-12-13 19:14:35,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:14:35,995 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 19:14:35,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:14:35,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 19:14:35,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-13 19:14:35,995 INFO L87 Difference]: Start difference. First operand 2002 states and 3391 transitions. Second operand has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-13 19:14:37,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:14:37,633 INFO L93 Difference]: Finished difference Result 4973 states and 8553 transitions. [2022-12-13 19:14:37,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 19:14:37,634 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 132 [2022-12-13 19:14:37,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:14:37,642 INFO L225 Difference]: With dead ends: 4973 [2022-12-13 19:14:37,643 INFO L226 Difference]: Without dead ends: 3217 [2022-12-13 19:14:37,645 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-12-13 19:14:37,646 INFO L413 NwaCegarLoop]: 231 mSDtfsCounter, 1618 mSDsluCounter, 770 mSDsCounter, 0 mSdLazyCounter, 2022 mSolverCounterSat, 721 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1636 SdHoareTripleChecker+Valid, 1001 SdHoareTripleChecker+Invalid, 2743 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 721 IncrementalHoareTripleChecker+Valid, 2022 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-12-13 19:14:37,646 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1636 Valid, 1001 Invalid, 2743 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [721 Valid, 2022 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-12-13 19:14:37,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3217 states. [2022-12-13 19:14:37,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3217 to 3005. [2022-12-13 19:14:37,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3005 states, 2448 states have (on average 1.6495098039215685) internal successors, (4038), 2456 states have internal predecessors, (4038), 524 states have call successors, (524), 28 states have call predecessors, (524), 32 states have return successors, (571), 522 states have call predecessors, (571), 523 states have call successors, (571) [2022-12-13 19:14:37,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3005 states to 3005 states and 5133 transitions. [2022-12-13 19:14:37,796 INFO L78 Accepts]: Start accepts. Automaton has 3005 states and 5133 transitions. Word has length 132 [2022-12-13 19:14:37,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:14:37,797 INFO L495 AbstractCegarLoop]: Abstraction has 3005 states and 5133 transitions. [2022-12-13 19:14:37,797 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-13 19:14:37,797 INFO L276 IsEmpty]: Start isEmpty. Operand 3005 states and 5133 transitions. [2022-12-13 19:14:37,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-12-13 19:14:37,805 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:14:37,805 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:14:37,806 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-13 19:14:37,806 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:14:37,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:14:37,806 INFO L85 PathProgramCache]: Analyzing trace with hash -1935415117, now seen corresponding path program 1 times [2022-12-13 19:14:37,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:14:37,806 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435554307] [2022-12-13 19:14:37,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:14:37,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:14:37,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:37,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 19:14:37,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:37,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 19:14:37,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:37,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 19:14:37,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:37,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 19:14:37,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:37,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 19:14:37,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:37,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-12-13 19:14:37,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:37,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-12-13 19:14:37,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:37,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-12-13 19:14:37,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:37,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-12-13 19:14:37,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:37,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-12-13 19:14:37,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:37,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-12-13 19:14:37,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:37,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-12-13 19:14:37,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:37,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-12-13 19:14:37,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:37,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-12-13 19:14:37,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:37,879 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-12-13 19:14:37,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:14:37,879 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435554307] [2022-12-13 19:14:37,879 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1435554307] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:14:37,879 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:14:37,879 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 19:14:37,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746526731] [2022-12-13 19:14:37,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:14:37,879 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 19:14:37,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:14:37,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 19:14:37,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-13 19:14:37,880 INFO L87 Difference]: Start difference. First operand 3005 states and 5133 transitions. Second operand has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-13 19:14:39,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:14:39,772 INFO L93 Difference]: Finished difference Result 7397 states and 12842 transitions. [2022-12-13 19:14:39,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 19:14:39,772 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 133 [2022-12-13 19:14:39,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:14:39,786 INFO L225 Difference]: With dead ends: 7397 [2022-12-13 19:14:39,786 INFO L226 Difference]: Without dead ends: 4842 [2022-12-13 19:14:39,789 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-12-13 19:14:39,790 INFO L413 NwaCegarLoop]: 228 mSDtfsCounter, 1620 mSDsluCounter, 770 mSDsCounter, 0 mSdLazyCounter, 2003 mSolverCounterSat, 719 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1639 SdHoareTripleChecker+Valid, 998 SdHoareTripleChecker+Invalid, 2722 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 719 IncrementalHoareTripleChecker+Valid, 2003 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-12-13 19:14:39,790 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1639 Valid, 998 Invalid, 2722 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [719 Valid, 2003 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-12-13 19:14:39,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4842 states. [2022-12-13 19:14:40,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4842 to 4630. [2022-12-13 19:14:40,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4630 states, 3828 states have (on average 1.6559561128526645) internal successors, (6339), 3836 states have internal predecessors, (6339), 769 states have call successors, (769), 28 states have call predecessors, (769), 32 states have return successors, (842), 767 states have call predecessors, (842), 768 states have call successors, (842) [2022-12-13 19:14:40,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4630 states to 4630 states and 7950 transitions. [2022-12-13 19:14:40,033 INFO L78 Accepts]: Start accepts. Automaton has 4630 states and 7950 transitions. Word has length 133 [2022-12-13 19:14:40,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:14:40,033 INFO L495 AbstractCegarLoop]: Abstraction has 4630 states and 7950 transitions. [2022-12-13 19:14:40,033 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-13 19:14:40,034 INFO L276 IsEmpty]: Start isEmpty. Operand 4630 states and 7950 transitions. [2022-12-13 19:14:40,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-12-13 19:14:40,046 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:14:40,046 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:14:40,046 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-12-13 19:14:40,047 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:14:40,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:14:40,047 INFO L85 PathProgramCache]: Analyzing trace with hash -85827862, now seen corresponding path program 1 times [2022-12-13 19:14:40,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:14:40,047 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698572440] [2022-12-13 19:14:40,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:14:40,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:14:40,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:40,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 19:14:40,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:40,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 19:14:40,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:40,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 19:14:40,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:40,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 19:14:40,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:40,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 19:14:40,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:40,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-12-13 19:14:40,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:40,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-12-13 19:14:40,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:40,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-12-13 19:14:40,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:40,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-12-13 19:14:40,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:40,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-12-13 19:14:40,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:40,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 19:14:40,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:40,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-12-13 19:14:40,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:40,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-12-13 19:14:40,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:40,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-12-13 19:14:40,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:40,144 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-12-13 19:14:40,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:14:40,144 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698572440] [2022-12-13 19:14:40,144 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1698572440] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:14:40,144 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:14:40,144 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 19:14:40,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107108614] [2022-12-13 19:14:40,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:14:40,145 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 19:14:40,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:14:40,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 19:14:40,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-13 19:14:40,145 INFO L87 Difference]: Start difference. First operand 4630 states and 7950 transitions. Second operand has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-13 19:14:42,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:14:42,190 INFO L93 Difference]: Finished difference Result 11443 states and 20002 transitions. [2022-12-13 19:14:42,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 19:14:42,190 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 134 [2022-12-13 19:14:42,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:14:42,213 INFO L225 Difference]: With dead ends: 11443 [2022-12-13 19:14:42,213 INFO L226 Difference]: Without dead ends: 7575 [2022-12-13 19:14:42,219 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-12-13 19:14:42,220 INFO L413 NwaCegarLoop]: 247 mSDtfsCounter, 1618 mSDsluCounter, 807 mSDsCounter, 0 mSdLazyCounter, 2024 mSolverCounterSat, 730 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1636 SdHoareTripleChecker+Valid, 1054 SdHoareTripleChecker+Invalid, 2754 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 730 IncrementalHoareTripleChecker+Valid, 2024 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-12-13 19:14:42,220 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1636 Valid, 1054 Invalid, 2754 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [730 Valid, 2024 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-12-13 19:14:42,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7575 states. [2022-12-13 19:14:42,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7575 to 7363. [2022-12-13 19:14:42,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7363 states, 6068 states have (on average 1.6552406064601186) internal successors, (10044), 6076 states have internal predecessors, (10044), 1262 states have call successors, (1262), 28 states have call predecessors, (1262), 32 states have return successors, (1379), 1260 states have call predecessors, (1379), 1261 states have call successors, (1379) [2022-12-13 19:14:42,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7363 states to 7363 states and 12685 transitions. [2022-12-13 19:14:42,654 INFO L78 Accepts]: Start accepts. Automaton has 7363 states and 12685 transitions. Word has length 134 [2022-12-13 19:14:42,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:14:42,654 INFO L495 AbstractCegarLoop]: Abstraction has 7363 states and 12685 transitions. [2022-12-13 19:14:42,654 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-13 19:14:42,654 INFO L276 IsEmpty]: Start isEmpty. Operand 7363 states and 12685 transitions. [2022-12-13 19:14:42,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-12-13 19:14:42,674 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:14:42,674 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:14:42,674 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-12-13 19:14:42,674 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:14:42,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:14:42,674 INFO L85 PathProgramCache]: Analyzing trace with hash -1324121681, now seen corresponding path program 1 times [2022-12-13 19:14:42,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:14:42,675 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378528745] [2022-12-13 19:14:42,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:14:42,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:14:42,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:42,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 19:14:42,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:42,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 19:14:42,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:42,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 19:14:42,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:42,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 19:14:42,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:42,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 19:14:42,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:42,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-12-13 19:14:42,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:42,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-12-13 19:14:42,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:42,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-12-13 19:14:42,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:42,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-12-13 19:14:42,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:42,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-12-13 19:14:42,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:42,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-12-13 19:14:42,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:42,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-12-13 19:14:42,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:42,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-12-13 19:14:42,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:42,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-12-13 19:14:42,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:42,769 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-12-13 19:14:42,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:14:42,769 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378528745] [2022-12-13 19:14:42,769 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [378528745] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:14:42,769 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:14:42,769 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 19:14:42,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377982379] [2022-12-13 19:14:42,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:14:42,770 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 19:14:42,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:14:42,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 19:14:42,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-13 19:14:42,770 INFO L87 Difference]: Start difference. First operand 7363 states and 12685 transitions. Second operand has 7 states, 7 states have (on average 13.0) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-13 19:14:44,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:14:44,913 INFO L93 Difference]: Finished difference Result 18778 states and 32886 transitions. [2022-12-13 19:14:44,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 19:14:44,914 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.0) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 135 [2022-12-13 19:14:44,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:14:44,953 INFO L225 Difference]: With dead ends: 18778 [2022-12-13 19:14:44,954 INFO L226 Difference]: Without dead ends: 12554 [2022-12-13 19:14:44,964 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-12-13 19:14:44,964 INFO L413 NwaCegarLoop]: 231 mSDtfsCounter, 1615 mSDsluCounter, 771 mSDsCounter, 0 mSdLazyCounter, 2019 mSolverCounterSat, 725 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1634 SdHoareTripleChecker+Valid, 1002 SdHoareTripleChecker+Invalid, 2744 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 725 IncrementalHoareTripleChecker+Valid, 2019 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-12-13 19:14:44,964 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1634 Valid, 1002 Invalid, 2744 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [725 Valid, 2019 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-12-13 19:14:44,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12554 states. [2022-12-13 19:14:45,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12554 to 12342. [2022-12-13 19:14:45,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12342 states, 10225 states have (on average 1.6561369193154034) internal successors, (16934), 10233 states have internal predecessors, (16934), 2084 states have call successors, (2084), 28 states have call predecessors, (2084), 32 states have return successors, (2279), 2082 states have call predecessors, (2279), 2083 states have call successors, (2279) [2022-12-13 19:14:45,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12342 states to 12342 states and 21297 transitions. [2022-12-13 19:14:45,625 INFO L78 Accepts]: Start accepts. Automaton has 12342 states and 21297 transitions. Word has length 135 [2022-12-13 19:14:45,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:14:45,625 INFO L495 AbstractCegarLoop]: Abstraction has 12342 states and 21297 transitions. [2022-12-13 19:14:45,626 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.0) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-13 19:14:45,626 INFO L276 IsEmpty]: Start isEmpty. Operand 12342 states and 21297 transitions. [2022-12-13 19:14:45,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2022-12-13 19:14:45,642 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:14:45,642 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:14:45,642 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-12-13 19:14:45,642 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:14:45,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:14:45,643 INFO L85 PathProgramCache]: Analyzing trace with hash 1826345980, now seen corresponding path program 1 times [2022-12-13 19:14:45,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:14:45,643 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436530304] [2022-12-13 19:14:45,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:14:45,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:14:45,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:45,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 19:14:45,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:45,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 19:14:45,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:45,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 19:14:45,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:45,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 19:14:45,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:45,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 19:14:45,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:45,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-12-13 19:14:45,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:45,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-12-13 19:14:45,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:45,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 19:14:45,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:45,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-12-13 19:14:45,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:45,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-12-13 19:14:45,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:45,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-12-13 19:14:45,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:45,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-12-13 19:14:45,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:45,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-12-13 19:14:45,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:45,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-12-13 19:14:45,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:45,735 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-12-13 19:14:45,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:14:45,736 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436530304] [2022-12-13 19:14:45,736 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1436530304] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:14:45,736 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:14:45,736 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 19:14:45,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939958211] [2022-12-13 19:14:45,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:14:45,736 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 19:14:45,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:14:45,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 19:14:45,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-13 19:14:45,737 INFO L87 Difference]: Start difference. First operand 12342 states and 21297 transitions. Second operand has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-13 19:14:48,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:14:48,266 INFO L93 Difference]: Finished difference Result 29736 states and 51851 transitions. [2022-12-13 19:14:48,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 19:14:48,267 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 136 [2022-12-13 19:14:48,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:14:48,329 INFO L225 Difference]: With dead ends: 29736 [2022-12-13 19:14:48,329 INFO L226 Difference]: Without dead ends: 19507 [2022-12-13 19:14:48,345 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-12-13 19:14:48,346 INFO L413 NwaCegarLoop]: 230 mSDtfsCounter, 1614 mSDsluCounter, 749 mSDsCounter, 0 mSdLazyCounter, 2004 mSolverCounterSat, 724 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1632 SdHoareTripleChecker+Valid, 979 SdHoareTripleChecker+Invalid, 2728 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 724 IncrementalHoareTripleChecker+Valid, 2004 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-12-13 19:14:48,346 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1632 Valid, 979 Invalid, 2728 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [724 Valid, 2004 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-12-13 19:14:48,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19507 states. [2022-12-13 19:14:49,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19507 to 19295. [2022-12-13 19:14:49,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19295 states, 15975 states have (on average 1.632300469483568) internal successors, (26076), 15983 states have internal predecessors, (26076), 3287 states have call successors, (3287), 28 states have call predecessors, (3287), 32 states have return successors, (3626), 3285 states have call predecessors, (3626), 3286 states have call successors, (3626) [2022-12-13 19:14:49,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19295 states to 19295 states and 32989 transitions. [2022-12-13 19:14:49,517 INFO L78 Accepts]: Start accepts. Automaton has 19295 states and 32989 transitions. Word has length 136 [2022-12-13 19:14:49,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:14:49,517 INFO L495 AbstractCegarLoop]: Abstraction has 19295 states and 32989 transitions. [2022-12-13 19:14:49,518 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-13 19:14:49,518 INFO L276 IsEmpty]: Start isEmpty. Operand 19295 states and 32989 transitions. [2022-12-13 19:14:49,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2022-12-13 19:14:49,543 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:14:49,543 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:14:49,543 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-12-13 19:14:49,543 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:14:49,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:14:49,543 INFO L85 PathProgramCache]: Analyzing trace with hash 1323587022, now seen corresponding path program 1 times [2022-12-13 19:14:49,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:14:49,544 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144957592] [2022-12-13 19:14:49,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:14:49,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:14:49,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:49,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 19:14:49,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:49,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 19:14:49,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:49,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 19:14:49,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:49,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 19:14:49,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:49,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 19:14:49,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:49,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-12-13 19:14:49,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:49,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-12-13 19:14:49,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:49,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-12-13 19:14:49,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:49,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-12-13 19:14:49,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:49,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-12-13 19:14:49,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:49,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-12-13 19:14:49,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:49,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-12-13 19:14:49,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:49,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-12-13 19:14:49,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:49,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-12-13 19:14:49,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:49,633 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-12-13 19:14:49,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:14:49,633 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2144957592] [2022-12-13 19:14:49,633 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2144957592] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:14:49,633 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:14:49,633 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 19:14:49,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45465062] [2022-12-13 19:14:49,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:14:49,634 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 19:14:49,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:14:49,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 19:14:49,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-13 19:14:49,635 INFO L87 Difference]: Start difference. First operand 19295 states and 32989 transitions. Second operand has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-13 19:14:53,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:14:53,216 INFO L93 Difference]: Finished difference Result 51168 states and 88971 transitions. [2022-12-13 19:14:53,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 19:14:53,217 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 137 [2022-12-13 19:14:53,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:14:53,306 INFO L225 Difference]: With dead ends: 51168 [2022-12-13 19:14:53,306 INFO L226 Difference]: Without dead ends: 34628 [2022-12-13 19:14:53,343 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-12-13 19:14:53,344 INFO L413 NwaCegarLoop]: 232 mSDtfsCounter, 1613 mSDsluCounter, 771 mSDsCounter, 0 mSdLazyCounter, 2023 mSolverCounterSat, 726 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1632 SdHoareTripleChecker+Valid, 1003 SdHoareTripleChecker+Invalid, 2749 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 726 IncrementalHoareTripleChecker+Valid, 2023 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-12-13 19:14:53,344 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1632 Valid, 1003 Invalid, 2749 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [726 Valid, 2023 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-12-13 19:14:53,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34628 states. [2022-12-13 19:14:55,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34628 to 34416. [2022-12-13 19:14:55,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34416 states, 28646 states have (on average 1.6295119737485164) internal successors, (46679), 28654 states have internal predecessors, (46679), 5737 states have call successors, (5737), 28 states have call predecessors, (5737), 32 states have return successors, (6350), 5735 states have call predecessors, (6350), 5736 states have call successors, (6350) [2022-12-13 19:14:55,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34416 states to 34416 states and 58766 transitions. [2022-12-13 19:14:55,356 INFO L78 Accepts]: Start accepts. Automaton has 34416 states and 58766 transitions. Word has length 137 [2022-12-13 19:14:55,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:14:55,356 INFO L495 AbstractCegarLoop]: Abstraction has 34416 states and 58766 transitions. [2022-12-13 19:14:55,356 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-13 19:14:55,356 INFO L276 IsEmpty]: Start isEmpty. Operand 34416 states and 58766 transitions. [2022-12-13 19:14:55,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-12-13 19:14:55,387 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:14:55,387 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:14:55,387 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-12-13 19:14:55,387 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:14:55,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:14:55,387 INFO L85 PathProgramCache]: Analyzing trace with hash 1707214946, now seen corresponding path program 1 times [2022-12-13 19:14:55,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:14:55,388 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190002260] [2022-12-13 19:14:55,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:14:55,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:14:55,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:55,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 19:14:55,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:55,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 19:14:55,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:55,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 19:14:55,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:55,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 19:14:55,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:55,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 19:14:55,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:55,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-12-13 19:14:55,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:55,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-12-13 19:14:55,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:55,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 19:14:55,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:55,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-12-13 19:14:55,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:55,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-12-13 19:14:55,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:55,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-12-13 19:14:55,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:55,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-12-13 19:14:55,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:55,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-12-13 19:14:55,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:55,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-12-13 19:14:55,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:55,493 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-12-13 19:14:55,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:14:55,494 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190002260] [2022-12-13 19:14:55,494 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [190002260] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:14:55,494 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:14:55,494 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 19:14:55,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284195527] [2022-12-13 19:14:55,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:14:55,494 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 19:14:55,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:14:55,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 19:14:55,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-13 19:14:55,495 INFO L87 Difference]: Start difference. First operand 34416 states and 58766 transitions. Second operand has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-13 19:15:00,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:15:00,563 INFO L93 Difference]: Finished difference Result 94040 states and 162765 transitions. [2022-12-13 19:15:00,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 19:15:00,563 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 138 [2022-12-13 19:15:00,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:15:00,728 INFO L225 Difference]: With dead ends: 94040 [2022-12-13 19:15:00,728 INFO L226 Difference]: Without dead ends: 63295 [2022-12-13 19:15:00,781 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-12-13 19:15:00,781 INFO L413 NwaCegarLoop]: 240 mSDtfsCounter, 1608 mSDsluCounter, 796 mSDsCounter, 0 mSdLazyCounter, 2023 mSolverCounterSat, 735 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1626 SdHoareTripleChecker+Valid, 1036 SdHoareTripleChecker+Invalid, 2758 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 735 IncrementalHoareTripleChecker+Valid, 2023 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-12-13 19:15:00,781 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1626 Valid, 1036 Invalid, 2758 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [735 Valid, 2023 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-12-13 19:15:00,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63295 states. [2022-12-13 19:15:03,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63295 to 63083. [2022-12-13 19:15:04,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63083 states, 52800 states have (on average 1.6255681818181817) internal successors, (85830), 52808 states have internal predecessors, (85830), 10250 states have call successors, (10250), 28 states have call predecessors, (10250), 32 states have return successors, (11395), 10248 states have call predecessors, (11395), 10249 states have call successors, (11395) [2022-12-13 19:15:04,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63083 states to 63083 states and 107475 transitions. [2022-12-13 19:15:04,179 INFO L78 Accepts]: Start accepts. Automaton has 63083 states and 107475 transitions. Word has length 138 [2022-12-13 19:15:04,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:15:04,180 INFO L495 AbstractCegarLoop]: Abstraction has 63083 states and 107475 transitions. [2022-12-13 19:15:04,180 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-13 19:15:04,180 INFO L276 IsEmpty]: Start isEmpty. Operand 63083 states and 107475 transitions. [2022-12-13 19:15:04,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-12-13 19:15:04,208 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:15:04,209 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:15:04,209 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-12-13 19:15:04,209 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:15:04,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:15:04,209 INFO L85 PathProgramCache]: Analyzing trace with hash 659514862, now seen corresponding path program 1 times [2022-12-13 19:15:04,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:15:04,209 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172041792] [2022-12-13 19:15:04,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:15:04,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:15:04,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:15:04,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 19:15:04,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:15:04,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 19:15:04,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:15:04,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 19:15:04,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:15:04,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 19:15:04,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:15:04,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 19:15:04,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:15:04,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-12-13 19:15:04,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:15:04,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-12-13 19:15:04,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:15:04,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-12-13 19:15:04,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:15:04,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-12-13 19:15:04,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:15:04,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-12-13 19:15:04,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:15:04,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-12-13 19:15:04,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:15:04,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 19:15:04,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:15:04,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 19:15:04,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:15:04,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-12-13 19:15:04,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:15:04,284 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-12-13 19:15:04,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:15:04,284 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172041792] [2022-12-13 19:15:04,284 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1172041792] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:15:04,284 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:15:04,284 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 19:15:04,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068558190] [2022-12-13 19:15:04,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:15:04,285 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 19:15:04,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:15:04,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 19:15:04,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-13 19:15:04,285 INFO L87 Difference]: Start difference. First operand 63083 states and 107475 transitions. Second operand has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-13 19:15:11,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:15:11,826 INFO L93 Difference]: Finished difference Result 118416 states and 205399 transitions. [2022-12-13 19:15:11,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 19:15:11,827 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 139 [2022-12-13 19:15:11,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:15:12,146 INFO L225 Difference]: With dead ends: 118416 [2022-12-13 19:15:12,146 INFO L226 Difference]: Without dead ends: 118168 [2022-12-13 19:15:12,179 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-12-13 19:15:12,180 INFO L413 NwaCegarLoop]: 230 mSDtfsCounter, 1608 mSDsluCounter, 771 mSDsCounter, 0 mSdLazyCounter, 2003 mSolverCounterSat, 745 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1627 SdHoareTripleChecker+Valid, 1001 SdHoareTripleChecker+Invalid, 2748 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 745 IncrementalHoareTripleChecker+Valid, 2003 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-12-13 19:15:12,180 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1627 Valid, 1001 Invalid, 2748 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [745 Valid, 2003 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-12-13 19:15:12,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118168 states. [2022-12-13 19:15:18,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118168 to 117956. [2022-12-13 19:15:18,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117956 states, 99305 states have (on average 1.620472282362419) internal successors, (160921), 99313 states have internal predecessors, (160921), 18618 states have call successors, (18618), 28 states have call predecessors, (18618), 32 states have return successors, (20809), 18616 states have call predecessors, (20809), 18617 states have call successors, (20809) [2022-12-13 19:15:19,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117956 states to 117956 states and 200348 transitions. [2022-12-13 19:15:19,106 INFO L78 Accepts]: Start accepts. Automaton has 117956 states and 200348 transitions. Word has length 139 [2022-12-13 19:15:19,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:15:19,106 INFO L495 AbstractCegarLoop]: Abstraction has 117956 states and 200348 transitions. [2022-12-13 19:15:19,106 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-13 19:15:19,106 INFO L276 IsEmpty]: Start isEmpty. Operand 117956 states and 200348 transitions. [2022-12-13 19:15:19,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2022-12-13 19:15:19,142 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:15:19,142 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:15:19,142 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-12-13 19:15:19,142 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:15:19,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:15:19,142 INFO L85 PathProgramCache]: Analyzing trace with hash -1448323133, now seen corresponding path program 1 times [2022-12-13 19:15:19,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:15:19,142 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218363437] [2022-12-13 19:15:19,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:15:19,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:15:19,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:15:19,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 19:15:19,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:15:19,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 19:15:19,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:15:19,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 19:15:19,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:15:19,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 19:15:19,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:15:19,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 19:15:19,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:15:19,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-12-13 19:15:19,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:15:19,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-12-13 19:15:19,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:15:19,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 19:15:19,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:15:19,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 19:15:19,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:15:19,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-12-13 19:15:19,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:15:19,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-12-13 19:15:19,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:15:19,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 19:15:19,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:15:19,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-12-13 19:15:19,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:15:19,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-12-13 19:15:19,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:15:19,446 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-12-13 19:15:19,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:15:19,447 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1218363437] [2022-12-13 19:15:19,447 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1218363437] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:15:19,447 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:15:19,447 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-12-13 19:15:19,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926160365] [2022-12-13 19:15:19,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:15:19,447 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-12-13 19:15:19,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:15:19,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-12-13 19:15:19,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2022-12-13 19:15:19,448 INFO L87 Difference]: Start difference. First operand 117956 states and 200348 transitions. Second operand has 18 states, 16 states have (on average 6.0) internal successors, (96), 12 states have internal predecessors, (96), 6 states have call successors, (17), 7 states have call predecessors, (17), 4 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2022-12-13 19:15:41,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:15:41,019 INFO L93 Difference]: Finished difference Result 236063 states and 412804 transitions. [2022-12-13 19:15:41,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-12-13 19:15:41,020 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 16 states have (on average 6.0) internal successors, (96), 12 states have internal predecessors, (96), 6 states have call successors, (17), 7 states have call predecessors, (17), 4 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) Word has length 140 [2022-12-13 19:15:41,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:15:41,783 INFO L225 Difference]: With dead ends: 236063 [2022-12-13 19:15:41,783 INFO L226 Difference]: Without dead ends: 235821 [2022-12-13 19:15:41,863 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1279 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=872, Invalid=3820, Unknown=0, NotChecked=0, Total=4692 [2022-12-13 19:15:41,864 INFO L413 NwaCegarLoop]: 287 mSDtfsCounter, 5973 mSDsluCounter, 3228 mSDsCounter, 0 mSdLazyCounter, 15499 mSolverCounterSat, 3762 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5973 SdHoareTripleChecker+Valid, 3515 SdHoareTripleChecker+Invalid, 19261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3762 IncrementalHoareTripleChecker+Valid, 15499 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2022-12-13 19:15:41,864 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5973 Valid, 3515 Invalid, 19261 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3762 Valid, 15499 Invalid, 0 Unknown, 0 Unchecked, 7.0s Time] [2022-12-13 19:15:42,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235821 states. [2022-12-13 19:15:58,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235821 to 235016. [2022-12-13 19:15:58,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 235016 states, 197892 states have (on average 1.620833585996402) internal successors, (320750), 197802 states have internal predecessors, (320750), 37037 states have call successors, (37037), 75 states have call predecessors, (37037), 86 states have return successors, (44719), 37146 states have call predecessors, (44719), 37034 states have call successors, (44719) [2022-12-13 19:15:59,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235016 states to 235016 states and 402506 transitions. [2022-12-13 19:15:59,100 INFO L78 Accepts]: Start accepts. Automaton has 235016 states and 402506 transitions. Word has length 140 [2022-12-13 19:15:59,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:15:59,100 INFO L495 AbstractCegarLoop]: Abstraction has 235016 states and 402506 transitions. [2022-12-13 19:15:59,100 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 16 states have (on average 6.0) internal successors, (96), 12 states have internal predecessors, (96), 6 states have call successors, (17), 7 states have call predecessors, (17), 4 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2022-12-13 19:15:59,101 INFO L276 IsEmpty]: Start isEmpty. Operand 235016 states and 402506 transitions. [2022-12-13 19:15:59,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-12-13 19:15:59,170 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:15:59,170 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:15:59,170 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-12-13 19:15:59,171 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:15:59,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:15:59,171 INFO L85 PathProgramCache]: Analyzing trace with hash 1751796690, now seen corresponding path program 1 times [2022-12-13 19:15:59,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:15:59,171 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940788621] [2022-12-13 19:15:59,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:15:59,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:15:59,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:15:59,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 19:15:59,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:15:59,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 19:15:59,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:15:59,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 19:15:59,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:15:59,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 19:15:59,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:15:59,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 19:15:59,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:15:59,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-12-13 19:15:59,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:15:59,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-12-13 19:15:59,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:15:59,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 19:15:59,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:15:59,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 19:15:59,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:15:59,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-12-13 19:15:59,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:15:59,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-12-13 19:15:59,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:15:59,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 19:15:59,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:15:59,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-12-13 19:15:59,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:15:59,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-12-13 19:15:59,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:15:59,387 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-12-13 19:15:59,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:15:59,388 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940788621] [2022-12-13 19:15:59,388 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1940788621] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:15:59,388 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:15:59,388 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-12-13 19:15:59,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979774609] [2022-12-13 19:15:59,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:15:59,388 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-12-13 19:15:59,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:15:59,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-12-13 19:15:59,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=211, Unknown=0, NotChecked=0, Total=240 [2022-12-13 19:15:59,389 INFO L87 Difference]: Start difference. First operand 235016 states and 402506 transitions. Second operand has 16 states, 16 states have (on average 6.0625) internal successors, (97), 9 states have internal predecessors, (97), 6 states have call successors, (17), 8 states have call predecessors, (17), 2 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2022-12-13 19:16:16,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:16:16,942 INFO L93 Difference]: Finished difference Result 237624 states and 413113 transitions. [2022-12-13 19:16:16,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-12-13 19:16:16,943 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 6.0625) internal successors, (97), 9 states have internal predecessors, (97), 6 states have call successors, (17), 8 states have call predecessors, (17), 2 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) Word has length 141 [2022-12-13 19:16:16,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:16:17,838 INFO L225 Difference]: With dead ends: 237624 [2022-12-13 19:16:17,838 INFO L226 Difference]: Without dead ends: 236724 [2022-12-13 19:16:17,922 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 272 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=312, Invalid=1248, Unknown=0, NotChecked=0, Total=1560 [2022-12-13 19:16:17,922 INFO L413 NwaCegarLoop]: 206 mSDtfsCounter, 2936 mSDsluCounter, 2160 mSDsCounter, 0 mSdLazyCounter, 8878 mSolverCounterSat, 1697 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2954 SdHoareTripleChecker+Valid, 2366 SdHoareTripleChecker+Invalid, 10575 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1697 IncrementalHoareTripleChecker+Valid, 8878 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-12-13 19:16:17,922 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2954 Valid, 2366 Invalid, 10575 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1697 Valid, 8878 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2022-12-13 19:16:18,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236724 states. [2022-12-13 19:16:32,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236724 to 235532. [2022-12-13 19:16:32,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 235532 states, 198252 states have (on average 1.6202812581966386) internal successors, (321224), 198176 states have internal predecessors, (321224), 37185 states have call successors, (37185), 81 states have call predecessors, (37185), 94 states have return successors, (44894), 37290 states have call predecessors, (44894), 37176 states have call successors, (44894) [2022-12-13 19:16:33,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235532 states to 235532 states and 403303 transitions. [2022-12-13 19:16:33,551 INFO L78 Accepts]: Start accepts. Automaton has 235532 states and 403303 transitions. Word has length 141 [2022-12-13 19:16:33,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:16:33,551 INFO L495 AbstractCegarLoop]: Abstraction has 235532 states and 403303 transitions. [2022-12-13 19:16:33,551 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 6.0625) internal successors, (97), 9 states have internal predecessors, (97), 6 states have call successors, (17), 8 states have call predecessors, (17), 2 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2022-12-13 19:16:33,551 INFO L276 IsEmpty]: Start isEmpty. Operand 235532 states and 403303 transitions. [2022-12-13 19:16:33,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-12-13 19:16:33,625 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:16:33,625 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:16:33,625 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-12-13 19:16:33,625 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:16:33,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:16:33,626 INFO L85 PathProgramCache]: Analyzing trace with hash 2106820960, now seen corresponding path program 1 times [2022-12-13 19:16:33,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:16:33,626 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988382821] [2022-12-13 19:16:33,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:16:33,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:16:33,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:16:33,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 19:16:33,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:16:33,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 19:16:33,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:16:33,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 19:16:33,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:16:33,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 19:16:33,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:16:33,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 19:16:33,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:16:33,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-12-13 19:16:33,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:16:33,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-12-13 19:16:33,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:16:33,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 19:16:33,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:16:33,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 19:16:33,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:16:33,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-12-13 19:16:33,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:16:33,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-12-13 19:16:33,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:16:33,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 19:16:33,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:16:33,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-12-13 19:16:33,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:16:33,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-12-13 19:16:33,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:16:33,741 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-12-13 19:16:33,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:16:33,741 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1988382821] [2022-12-13 19:16:33,741 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1988382821] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:16:33,742 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:16:33,742 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-13 19:16:33,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983705587] [2022-12-13 19:16:33,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:16:33,742 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 19:16:33,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:16:33,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 19:16:33,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-12-13 19:16:33,743 INFO L87 Difference]: Start difference. First operand 235532 states and 403303 transitions. Second operand has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 5 states have internal predecessors, (97), 2 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-13 19:17:00,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:17:00,906 INFO L93 Difference]: Finished difference Result 358420 states and 631943 transitions. [2022-12-13 19:17:00,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-12-13 19:17:00,906 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 5 states have internal predecessors, (97), 2 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 141 [2022-12-13 19:17:00,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:17:02,160 INFO L225 Difference]: With dead ends: 358420 [2022-12-13 19:17:02,160 INFO L226 Difference]: Without dead ends: 357451 [2022-12-13 19:17:02,286 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=189, Invalid=513, Unknown=0, NotChecked=0, Total=702 [2022-12-13 19:17:02,287 INFO L413 NwaCegarLoop]: 299 mSDtfsCounter, 4187 mSDsluCounter, 1383 mSDsCounter, 0 mSdLazyCounter, 5906 mSolverCounterSat, 2078 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4200 SdHoareTripleChecker+Valid, 1682 SdHoareTripleChecker+Invalid, 7984 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2078 IncrementalHoareTripleChecker+Valid, 5906 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-12-13 19:17:02,287 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4200 Valid, 1682 Invalid, 7984 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2078 Valid, 5906 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2022-12-13 19:17:02,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357451 states. [2022-12-13 19:17:28,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357451 to 354285. [2022-12-13 19:17:28,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 354285 states, 298059 states have (on average 1.6195149282524601) internal successors, (482711), 297924 states have internal predecessors, (482711), 55998 states have call successors, (55998), 187 states have call predecessors, (55998), 227 states have return successors, (74683), 56217 states have call predecessors, (74683), 55974 states have call successors, (74683) [2022-12-13 19:17:30,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354285 states to 354285 states and 613392 transitions. [2022-12-13 19:17:30,089 INFO L78 Accepts]: Start accepts. Automaton has 354285 states and 613392 transitions. Word has length 141 [2022-12-13 19:17:30,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:17:30,089 INFO L495 AbstractCegarLoop]: Abstraction has 354285 states and 613392 transitions. [2022-12-13 19:17:30,089 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 5 states have internal predecessors, (97), 2 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-13 19:17:30,089 INFO L276 IsEmpty]: Start isEmpty. Operand 354285 states and 613392 transitions. [2022-12-13 19:17:30,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-12-13 19:17:30,201 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:17:30,201 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:17:30,201 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-12-13 19:17:30,201 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:17:30,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:17:30,201 INFO L85 PathProgramCache]: Analyzing trace with hash -943381855, now seen corresponding path program 1 times [2022-12-13 19:17:30,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:17:30,202 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344266648] [2022-12-13 19:17:30,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:17:30,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:17:30,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:17:30,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 19:17:30,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:17:30,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 19:17:30,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:17:30,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 19:17:30,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:17:30,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 19:17:30,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:17:30,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 19:17:30,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:17:30,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-12-13 19:17:30,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:17:30,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-12-13 19:17:30,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:17:30,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 19:17:30,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:17:30,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 19:17:30,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:17:30,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-12-13 19:17:30,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:17:30,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-12-13 19:17:30,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:17:30,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 19:17:30,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:17:30,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-12-13 19:17:30,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:17:30,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-12-13 19:17:30,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:17:30,412 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-13 19:17:30,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:17:30,412 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [344266648] [2022-12-13 19:17:30,412 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [344266648] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 19:17:30,412 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1616950126] [2022-12-13 19:17:30,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:17:30,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:17:30,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b2127a9-d9b4-4993-96d3-a753c71ebc93/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:17:30,414 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b2127a9-d9b4-4993-96d3-a753c71ebc93/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 19:17:30,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b2127a9-d9b4-4993-96d3-a753c71ebc93/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-12-13 19:17:30,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:17:30,589 INFO L263 TraceCheckSpWp]: Trace formula consists of 1243 conjuncts, 13 conjunts are in the unsatisfiable core [2022-12-13 19:17:30,592 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:17:30,728 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-12-13 19:17:30,728 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 19:17:30,964 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-12-13 19:17:30,964 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1616950126] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 19:17:30,965 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 19:17:30,965 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 9, 9] total 27 [2022-12-13 19:17:30,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885899099] [2022-12-13 19:17:30,965 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 19:17:30,966 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-12-13 19:17:30,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:17:30,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-12-13 19:17:30,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=620, Unknown=0, NotChecked=0, Total=702 [2022-12-13 19:17:30,967 INFO L87 Difference]: Start difference. First operand 354285 states and 613392 transitions. Second operand has 27 states, 27 states have (on average 8.518518518518519) internal successors, (230), 20 states have internal predecessors, (230), 5 states have call successors, (43), 11 states have call predecessors, (43), 12 states have return successors, (35), 8 states have call predecessors, (35), 5 states have call successors, (35) [2022-12-13 19:18:52,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:18:52,839 INFO L93 Difference]: Finished difference Result 1061622 states and 1893858 transitions. [2022-12-13 19:18:52,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-12-13 19:18:52,839 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 8.518518518518519) internal successors, (230), 20 states have internal predecessors, (230), 5 states have call successors, (43), 11 states have call predecessors, (43), 12 states have return successors, (35), 8 states have call predecessors, (35), 5 states have call successors, (35) Word has length 141 [2022-12-13 19:18:52,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:18:57,280 INFO L225 Difference]: With dead ends: 1061622 [2022-12-13 19:18:57,281 INFO L226 Difference]: Without dead ends: 1057965 [2022-12-13 19:18:57,729 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 363 GetRequests, 298 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1116 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=818, Invalid=3604, Unknown=0, NotChecked=0, Total=4422 [2022-12-13 19:18:57,729 INFO L413 NwaCegarLoop]: 372 mSDtfsCounter, 4999 mSDsluCounter, 4779 mSDsCounter, 0 mSdLazyCounter, 13556 mSolverCounterSat, 2883 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5018 SdHoareTripleChecker+Valid, 5151 SdHoareTripleChecker+Invalid, 16439 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2883 IncrementalHoareTripleChecker+Valid, 13556 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2022-12-13 19:18:57,730 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5018 Valid, 5151 Invalid, 16439 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2883 Valid, 13556 Invalid, 0 Unknown, 0 Unchecked, 6.4s Time] [2022-12-13 19:18:58,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1057965 states. [2022-12-13 19:20:04,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1057965 to 708635. [2022-12-13 19:20:05,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 708635 states, 596169 states have (on average 1.6194820596173232) internal successors, (965485), 595895 states have internal predecessors, (965485), 111994 states have call successors, (111994), 378 states have call predecessors, (111994), 471 states have return successors, (164500), 112449 states have call predecessors, (164500), 111946 states have call successors, (164500) [2022-12-13 19:20:08,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 708635 states to 708635 states and 1241979 transitions. [2022-12-13 19:20:08,908 INFO L78 Accepts]: Start accepts. Automaton has 708635 states and 1241979 transitions. Word has length 141 [2022-12-13 19:20:08,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:20:08,908 INFO L495 AbstractCegarLoop]: Abstraction has 708635 states and 1241979 transitions. [2022-12-13 19:20:08,908 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 8.518518518518519) internal successors, (230), 20 states have internal predecessors, (230), 5 states have call successors, (43), 11 states have call predecessors, (43), 12 states have return successors, (35), 8 states have call predecessors, (35), 5 states have call successors, (35) [2022-12-13 19:20:08,908 INFO L276 IsEmpty]: Start isEmpty. Operand 708635 states and 1241979 transitions. [2022-12-13 19:20:09,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2022-12-13 19:20:09,174 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:20:09,174 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:20:09,180 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b2127a9-d9b4-4993-96d3-a753c71ebc93/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-12-13 19:20:09,375 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b2127a9-d9b4-4993-96d3-a753c71ebc93/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2022-12-13 19:20:09,376 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:20:09,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:20:09,377 INFO L85 PathProgramCache]: Analyzing trace with hash -794540781, now seen corresponding path program 1 times [2022-12-13 19:20:09,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:20:09,378 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693835602] [2022-12-13 19:20:09,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:20:09,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:20:09,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:20:09,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 19:20:09,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:20:09,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 19:20:09,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:20:09,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 19:20:09,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:20:09,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 19:20:09,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:20:09,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 19:20:09,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:20:09,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-12-13 19:20:09,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:20:09,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-12-13 19:20:09,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:20:09,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 19:20:09,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:20:09,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 19:20:09,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:20:09,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-12-13 19:20:09,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:20:09,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-12-13 19:20:09,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:20:09,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-12-13 19:20:09,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:20:09,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-12-13 19:20:09,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:20:09,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-12-13 19:20:09,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:20:09,566 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-12-13 19:20:09,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:20:09,566 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693835602] [2022-12-13 19:20:09,566 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [693835602] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:20:09,566 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:20:09,567 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-12-13 19:20:09,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908483616] [2022-12-13 19:20:09,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:20:09,567 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-12-13 19:20:09,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:20:09,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-13 19:20:09,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2022-12-13 19:20:09,568 INFO L87 Difference]: Start difference. First operand 708635 states and 1241979 transitions. Second operand has 13 states, 12 states have (on average 8.166666666666666) internal successors, (98), 7 states have internal predecessors, (98), 4 states have call successors, (17), 8 states have call predecessors, (17), 2 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14) [2022-12-13 19:21:07,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:21:07,106 INFO L93 Difference]: Finished difference Result 722367 states and 1282975 transitions. [2022-12-13 19:21:07,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-12-13 19:21:07,107 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 8.166666666666666) internal successors, (98), 7 states have internal predecessors, (98), 4 states have call successors, (17), 8 states have call predecessors, (17), 2 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14) Word has length 142 [2022-12-13 19:21:07,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:21:09,925 INFO L225 Difference]: With dead ends: 722367 [2022-12-13 19:21:09,925 INFO L226 Difference]: Without dead ends: 714943 [2022-12-13 19:21:10,199 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 151 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=222, Invalid=708, Unknown=0, NotChecked=0, Total=930 [2022-12-13 19:21:10,199 INFO L413 NwaCegarLoop]: 206 mSDtfsCounter, 2192 mSDsluCounter, 1638 mSDsCounter, 0 mSdLazyCounter, 5831 mSolverCounterSat, 1065 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2210 SdHoareTripleChecker+Valid, 1844 SdHoareTripleChecker+Invalid, 6896 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1065 IncrementalHoareTripleChecker+Valid, 5831 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-12-13 19:21:10,199 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2210 Valid, 1844 Invalid, 6896 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1065 Valid, 5831 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-12-13 19:21:10,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 714943 states. [2022-12-13 19:22:10,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 714943 to 708635. [2022-12-13 19:22:10,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 708635 states, 596164 states have (on average 1.6194788682308894) internal successors, (965475), 595900 states have internal predecessors, (965475), 111994 states have call successors, (111994), 378 states have call predecessors, (111994), 476 states have return successors, (164514), 112444 states have call predecessors, (164514), 111946 states have call successors, (164514) [2022-12-13 19:22:13,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 708635 states to 708635 states and 1241983 transitions. [2022-12-13 19:22:13,441 INFO L78 Accepts]: Start accepts. Automaton has 708635 states and 1241983 transitions. Word has length 142 [2022-12-13 19:22:13,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:22:13,441 INFO L495 AbstractCegarLoop]: Abstraction has 708635 states and 1241983 transitions. [2022-12-13 19:22:13,441 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 8.166666666666666) internal successors, (98), 7 states have internal predecessors, (98), 4 states have call successors, (17), 8 states have call predecessors, (17), 2 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14) [2022-12-13 19:22:13,441 INFO L276 IsEmpty]: Start isEmpty. Operand 708635 states and 1241983 transitions. [2022-12-13 19:22:13,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2022-12-13 19:22:13,714 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:22:13,714 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:22:13,715 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-12-13 19:22:13,715 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:22:13,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:22:13,715 INFO L85 PathProgramCache]: Analyzing trace with hash 1373056225, now seen corresponding path program 1 times [2022-12-13 19:22:13,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:22:13,715 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112134077] [2022-12-13 19:22:13,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:22:13,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:22:13,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:22:13,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 19:22:13,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:22:13,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 19:22:13,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:22:13,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-12-13 19:22:13,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:22:13,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-12-13 19:22:13,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:22:13,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-12-13 19:22:13,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:22:13,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-12-13 19:22:13,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:22:13,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 19:22:13,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:22:13,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-12-13 19:22:13,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:22:13,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-12-13 19:22:13,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:22:13,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-12-13 19:22:13,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:22:13,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-12-13 19:22:13,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:22:13,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-12-13 19:22:13,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:22:13,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-12-13 19:22:13,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:22:13,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-12-13 19:22:13,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:22:13,813 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-13 19:22:13,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:22:13,813 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1112134077] [2022-12-13 19:22:13,813 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1112134077] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 19:22:13,813 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1312051455] [2022-12-13 19:22:13,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:22:13,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:22:13,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b2127a9-d9b4-4993-96d3-a753c71ebc93/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:22:13,815 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b2127a9-d9b4-4993-96d3-a753c71ebc93/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 19:22:13,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b2127a9-d9b4-4993-96d3-a753c71ebc93/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-12-13 19:22:13,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:22:13,962 INFO L263 TraceCheckSpWp]: Trace formula consists of 1244 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-13 19:22:13,965 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:22:14,000 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-12-13 19:22:14,000 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 19:22:14,000 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1312051455] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:22:14,000 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 19:22:14,000 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2022-12-13 19:22:14,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441196219] [2022-12-13 19:22:14,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:22:14,001 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 19:22:14,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:22:14,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 19:22:14,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-12-13 19:22:14,002 INFO L87 Difference]: Start difference. First operand 708635 states and 1241983 transitions. Second operand has 5 states, 5 states have (on average 20.4) internal successors, (102), 5 states have internal predecessors, (102), 2 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-13 19:23:10,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:23:10,805 INFO L93 Difference]: Finished difference Result 1062963 states and 1869463 transitions. [2022-12-13 19:23:10,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 19:23:10,806 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 5 states have internal predecessors, (102), 2 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 142 [2022-12-13 19:23:10,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:23:13,607 INFO L225 Difference]: With dead ends: 1062963 [2022-12-13 19:23:13,607 INFO L226 Difference]: Without dead ends: 708659 [2022-12-13 19:23:14,377 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2022-12-13 19:23:14,377 INFO L413 NwaCegarLoop]: 652 mSDtfsCounter, 151 mSDsluCounter, 1773 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 2425 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 19:23:14,377 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [177 Valid, 2425 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 19:23:15,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 708659 states.