./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec27_product34.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a 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_a6d6cb74-fed5-40df-a2c6-10e20e1ec6de/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d6cb74-fed5-40df-a2c6-10e20e1ec6de/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d6cb74-fed5-40df-a2c6-10e20e1ec6de/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d6cb74-fed5-40df-a2c6-10e20e1ec6de/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec27_product34.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d6cb74-fed5-40df-a2c6-10e20e1ec6de/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d6cb74-fed5-40df-a2c6-10e20e1ec6de/bin/uautomizer-Dbtcem3rbc --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 39fe77adb61a1e466f06fcf9920e7f42d562f22740249d3a797ea504e0f3c31a --- 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-5e519f3 [2022-11-02 20:35:12,966 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:35:12,969 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:35:13,018 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:35:13,019 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:35:13,025 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:35:13,027 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:35:13,031 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:35:13,033 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:35:13,038 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:35:13,039 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:35:13,041 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:35:13,042 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:35:13,044 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:35:13,047 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:35:13,048 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:35:13,050 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:35:13,051 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:35:13,053 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:35:13,060 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:35:13,064 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:35:13,065 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:35:13,066 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:35:13,067 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:35:13,071 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:35:13,071 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:35:13,071 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:35:13,072 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:35:13,073 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:35:13,074 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:35:13,074 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:35:13,075 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:35:13,076 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:35:13,076 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:35:13,077 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:35:13,078 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:35:13,079 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:35:13,079 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:35:13,084 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:35:13,085 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:35:13,086 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:35:13,087 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d6cb74-fed5-40df-a2c6-10e20e1ec6de/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-02 20:35:13,129 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:35:13,129 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:35:13,130 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:35:13,130 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:35:13,131 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:35:13,131 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:35:13,132 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:35:13,132 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:35:13,132 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:35:13,133 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:35:13,134 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-02 20:35:13,134 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:35:13,134 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-02 20:35:13,135 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:35:13,135 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:35:13,135 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:35:13,135 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:35:13,136 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-02 20:35:13,136 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:35:13,136 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:35:13,136 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:35:13,137 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:35:13,137 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:35:13,137 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:35:13,138 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:35:13,138 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:35:13,138 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:35:13,138 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:35:13,139 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:35:13,139 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 20:35:13,139 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 20:35:13,139 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 20:35:13,140 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:35:13,140 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d6cb74-fed5-40df-a2c6-10e20e1ec6de/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d6cb74-fed5-40df-a2c6-10e20e1ec6de/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 39fe77adb61a1e466f06fcf9920e7f42d562f22740249d3a797ea504e0f3c31a [2022-11-02 20:35:13,438 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:35:13,472 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:35:13,476 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:35:13,477 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:35:13,478 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:35:13,479 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d6cb74-fed5-40df-a2c6-10e20e1ec6de/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/product-lines/email_spec27_product34.cil.c [2022-11-02 20:35:13,570 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d6cb74-fed5-40df-a2c6-10e20e1ec6de/bin/uautomizer-Dbtcem3rbc/data/dcad6fca6/8c976a231d6646a7ae896dc7421e8ce8/FLAG640c020d6 [2022-11-02 20:35:14,296 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:35:14,297 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d6cb74-fed5-40df-a2c6-10e20e1ec6de/sv-benchmarks/c/product-lines/email_spec27_product34.cil.c [2022-11-02 20:35:14,319 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d6cb74-fed5-40df-a2c6-10e20e1ec6de/bin/uautomizer-Dbtcem3rbc/data/dcad6fca6/8c976a231d6646a7ae896dc7421e8ce8/FLAG640c020d6 [2022-11-02 20:35:14,495 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d6cb74-fed5-40df-a2c6-10e20e1ec6de/bin/uautomizer-Dbtcem3rbc/data/dcad6fca6/8c976a231d6646a7ae896dc7421e8ce8 [2022-11-02 20:35:14,498 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:35:14,499 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:35:14,507 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:35:14,507 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:35:14,511 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:35:14,512 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:35:14" (1/1) ... [2022-11-02 20:35:14,513 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fde2c7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:35:14, skipping insertion in model container [2022-11-02 20:35:14,514 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:35:14" (1/1) ... [2022-11-02 20:35:14,522 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:35:14,586 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:35:15,158 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d6cb74-fed5-40df-a2c6-10e20e1ec6de/sv-benchmarks/c/product-lines/email_spec27_product34.cil.c[51595,51608] [2022-11-02 20:35:15,258 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:35:15,273 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:35:15,386 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d6cb74-fed5-40df-a2c6-10e20e1ec6de/sv-benchmarks/c/product-lines/email_spec27_product34.cil.c[51595,51608] [2022-11-02 20:35:15,414 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:35:15,469 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:35:15,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:35:15 WrapperNode [2022-11-02 20:35:15,470 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:35:15,471 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:35:15,471 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:35:15,471 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:35:15,479 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:35:15" (1/1) ... [2022-11-02 20:35:15,510 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:35:15" (1/1) ... [2022-11-02 20:35:15,571 INFO L138 Inliner]: procedures = 134, calls = 238, calls flagged for inlining = 61, calls inlined = 58, statements flattened = 1088 [2022-11-02 20:35:15,571 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:35:15,572 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:35:15,572 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:35:15,572 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:35:15,582 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:35:15" (1/1) ... [2022-11-02 20:35:15,583 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:35:15" (1/1) ... [2022-11-02 20:35:15,590 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:35:15" (1/1) ... [2022-11-02 20:35:15,591 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:35:15" (1/1) ... [2022-11-02 20:35:15,613 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:35:15" (1/1) ... [2022-11-02 20:35:15,627 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:35:15" (1/1) ... [2022-11-02 20:35:15,652 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:35:15" (1/1) ... [2022-11-02 20:35:15,657 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:35:15" (1/1) ... [2022-11-02 20:35:15,681 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:35:15,683 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:35:15,685 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:35:15,685 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:35:15,686 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:35:15" (1/1) ... [2022-11-02 20:35:15,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:35:15,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d6cb74-fed5-40df-a2c6-10e20e1ec6de/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:35:15,720 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d6cb74-fed5-40df-a2c6-10e20e1ec6de/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 20:35:15,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d6cb74-fed5-40df-a2c6-10e20e1ec6de/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 20:35:15,780 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2022-11-02 20:35:15,780 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2022-11-02 20:35:15,780 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2022-11-02 20:35:15,781 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2022-11-02 20:35:15,781 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2022-11-02 20:35:15,781 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2022-11-02 20:35:15,781 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2022-11-02 20:35:15,781 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2022-11-02 20:35:15,782 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2022-11-02 20:35:15,782 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2022-11-02 20:35:15,783 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2022-11-02 20:35:15,783 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2022-11-02 20:35:15,783 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2022-11-02 20:35:15,783 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2022-11-02 20:35:15,784 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2022-11-02 20:35:15,784 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2022-11-02 20:35:15,784 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2022-11-02 20:35:15,784 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2022-11-02 20:35:15,784 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2022-11-02 20:35:15,785 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2022-11-02 20:35:15,785 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2022-11-02 20:35:15,785 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2022-11-02 20:35:15,785 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2022-11-02 20:35:15,785 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2022-11-02 20:35:15,785 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2022-11-02 20:35:15,786 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2022-11-02 20:35:15,786 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2022-11-02 20:35:15,786 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2022-11-02 20:35:15,786 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2022-11-02 20:35:15,786 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:35:15,787 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2022-11-02 20:35:15,787 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2022-11-02 20:35:15,787 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2022-11-02 20:35:15,787 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2022-11-02 20:35:15,788 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2022-11-02 20:35:15,788 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2022-11-02 20:35:15,788 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2022-11-02 20:35:15,788 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2022-11-02 20:35:15,788 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2022-11-02 20:35:15,789 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2022-11-02 20:35:15,789 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2022-11-02 20:35:15,789 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2022-11-02 20:35:15,789 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2022-11-02 20:35:15,790 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2022-11-02 20:35:15,790 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2022-11-02 20:35:15,790 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2022-11-02 20:35:15,790 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2022-11-02 20:35:15,790 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2022-11-02 20:35:15,791 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2022-11-02 20:35:15,791 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2022-11-02 20:35:15,791 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2022-11-02 20:35:15,791 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2022-11-02 20:35:15,792 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2022-11-02 20:35:15,792 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2022-11-02 20:35:15,793 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2022-11-02 20:35:15,794 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2022-11-02 20:35:15,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 20:35:15,795 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2022-11-02 20:35:15,795 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2022-11-02 20:35:15,796 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2022-11-02 20:35:15,796 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2022-11-02 20:35:15,796 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:35:15,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:35:16,141 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:35:16,144 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:35:17,198 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:35:17,209 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:35:17,209 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-02 20:35:17,212 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:35:17 BoogieIcfgContainer [2022-11-02 20:35:17,212 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:35:17,214 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 20:35:17,214 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 20:35:17,218 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 20:35:17,218 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:35:14" (1/3) ... [2022-11-02 20:35:17,219 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@775fc1cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:35:17, skipping insertion in model container [2022-11-02 20:35:17,219 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:35:15" (2/3) ... [2022-11-02 20:35:17,220 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@775fc1cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:35:17, skipping insertion in model container [2022-11-02 20:35:17,220 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:35:17" (3/3) ... [2022-11-02 20:35:17,221 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec27_product34.cil.c [2022-11-02 20:35:17,242 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 20:35:17,242 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-02 20:35:17,340 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 20:35:17,351 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;@218a8047, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 20:35:17,351 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-02 20:35:17,367 INFO L276 IsEmpty]: Start isEmpty. Operand has 453 states, 349 states have (on average 1.5329512893982808) internal successors, (535), 354 states have internal predecessors, (535), 73 states have call successors, (73), 29 states have call predecessors, (73), 29 states have return successors, (73), 72 states have call predecessors, (73), 73 states have call successors, (73) [2022-11-02 20:35:17,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2022-11-02 20:35:17,408 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:35:17,410 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:35:17,411 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:35:17,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:35:17,420 INFO L85 PathProgramCache]: Analyzing trace with hash -10753116, now seen corresponding path program 1 times [2022-11-02 20:35:17,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:35:17,430 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104800511] [2022-11-02 20:35:17,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:35:17,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:35:17,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:18,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:35:18,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:18,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-02 20:35:18,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:18,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:35:18,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:18,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-02 20:35:18,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:18,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-02 20:35:18,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:18,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-02 20:35:18,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:18,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-02 20:35:18,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:18,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-02 20:35:18,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:18,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-02 20:35:18,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:18,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-02 20:35:18,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:18,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-02 20:35:18,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:18,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-02 20:35:18,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:18,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-02 20:35:18,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:18,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-02 20:35:18,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:18,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-02 20:35:18,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:18,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-02 20:35:18,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:18,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-11-02 20:35:18,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:18,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-02 20:35:18,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:18,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-11-02 20:35:18,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:18,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:35:18,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:18,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-11-02 20:35:18,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:18,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-11-02 20:35:18,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:18,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-11-02 20:35:18,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:18,559 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2022-11-02 20:35:18,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:35:18,560 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1104800511] [2022-11-02 20:35:18,574 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1104800511] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:35:18,574 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [329119703] [2022-11-02 20:35:18,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:35:18,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:35:18,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d6cb74-fed5-40df-a2c6-10e20e1ec6de/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:35:18,581 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d6cb74-fed5-40df-a2c6-10e20e1ec6de/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:35:18,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d6cb74-fed5-40df-a2c6-10e20e1ec6de/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-02 20:35:19,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:19,013 INFO L263 TraceCheckSpWp]: Trace formula consists of 1391 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-02 20:35:19,029 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:35:19,079 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2022-11-02 20:35:19,080 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:35:19,080 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [329119703] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:35:19,080 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-02 20:35:19,081 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 9 [2022-11-02 20:35:19,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056521422] [2022-11-02 20:35:19,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:35:19,093 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-02 20:35:19,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:35:19,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-02 20:35:19,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-02 20:35:19,133 INFO L87 Difference]: Start difference. First operand has 453 states, 349 states have (on average 1.5329512893982808) internal successors, (535), 354 states have internal predecessors, (535), 73 states have call successors, (73), 29 states have call predecessors, (73), 29 states have return successors, (73), 72 states have call predecessors, (73), 73 states have call successors, (73) Second operand has 2 states, 2 states have (on average 45.0) internal successors, (90), 2 states have internal predecessors, (90), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-02 20:35:19,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:35:19,216 INFO L93 Difference]: Finished difference Result 713 states and 1052 transitions. [2022-11-02 20:35:19,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-02 20:35:19,218 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 45.0) internal successors, (90), 2 states have internal predecessors, (90), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 170 [2022-11-02 20:35:19,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:35:19,237 INFO L225 Difference]: With dead ends: 713 [2022-11-02 20:35:19,237 INFO L226 Difference]: Without dead ends: 446 [2022-11-02 20:35:19,243 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 212 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-02 20:35:19,246 INFO L413 NwaCegarLoop]: 677 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, 677 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 [2022-11-02 20:35:19,247 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 677 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 20:35:19,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 446 states. [2022-11-02 20:35:19,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 446 to 446. [2022-11-02 20:35:19,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 446 states, 343 states have (on average 1.5276967930029155) internal successors, (524), 347 states have internal predecessors, (524), 73 states have call successors, (73), 29 states have call predecessors, (73), 29 states have return successors, (72), 71 states have call predecessors, (72), 72 states have call successors, (72) [2022-11-02 20:35:19,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 446 states and 669 transitions. [2022-11-02 20:35:19,329 INFO L78 Accepts]: Start accepts. Automaton has 446 states and 669 transitions. Word has length 170 [2022-11-02 20:35:19,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:35:19,331 INFO L495 AbstractCegarLoop]: Abstraction has 446 states and 669 transitions. [2022-11-02 20:35:19,331 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 45.0) internal successors, (90), 2 states have internal predecessors, (90), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-02 20:35:19,332 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 669 transitions. [2022-11-02 20:35:19,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2022-11-02 20:35:19,338 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:35:19,338 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:35:19,382 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d6cb74-fed5-40df-a2c6-10e20e1ec6de/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-02 20:35:19,556 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d6cb74-fed5-40df-a2c6-10e20e1ec6de/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-11-02 20:35:19,556 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:35:19,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:35:19,557 INFO L85 PathProgramCache]: Analyzing trace with hash 1271687347, now seen corresponding path program 1 times [2022-11-02 20:35:19,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:35:19,557 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796865207] [2022-11-02 20:35:19,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:35:19,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:35:19,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:19,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:35:19,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:19,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-02 20:35:19,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:19,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:35:19,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:19,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-02 20:35:19,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:19,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-02 20:35:19,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:19,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-02 20:35:19,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:19,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-11-02 20:35:19,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:19,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-02 20:35:19,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:19,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-02 20:35:19,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:19,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-02 20:35:19,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:19,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-02 20:35:19,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:19,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-02 20:35:19,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:19,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-02 20:35:19,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:19,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-02 20:35:19,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:19,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-02 20:35:19,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:19,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-02 20:35:19,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:19,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:35:19,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:19,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-02 20:35:19,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:19,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-02 20:35:19,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:19,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-11-02 20:35:19,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:19,982 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2022-11-02 20:35:19,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:35:19,983 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796865207] [2022-11-02 20:35:19,988 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [796865207] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:35:19,991 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1422382262] [2022-11-02 20:35:19,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:35:19,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:35:19,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d6cb74-fed5-40df-a2c6-10e20e1ec6de/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:35:19,994 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d6cb74-fed5-40df-a2c6-10e20e1ec6de/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:35:20,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d6cb74-fed5-40df-a2c6-10e20e1ec6de/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-02 20:35:20,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:20,353 INFO L263 TraceCheckSpWp]: Trace formula consists of 1311 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-02 20:35:20,359 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:35:20,418 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2022-11-02 20:35:20,424 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:35:20,424 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1422382262] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:35:20,424 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-02 20:35:20,425 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2022-11-02 20:35:20,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549355907] [2022-11-02 20:35:20,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:35:20,426 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:35:20,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:35:20,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:35:20,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-11-02 20:35:20,429 INFO L87 Difference]: Start difference. First operand 446 states and 669 transitions. Second operand has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-02 20:35:20,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:35:20,501 INFO L93 Difference]: Finished difference Result 703 states and 1030 transitions. [2022-11-02 20:35:20,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:35:20,501 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 152 [2022-11-02 20:35:20,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:35:20,511 INFO L225 Difference]: With dead ends: 703 [2022-11-02 20:35:20,511 INFO L226 Difference]: Without dead ends: 449 [2022-11-02 20:35:20,514 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-11-02 20:35:20,515 INFO L413 NwaCegarLoop]: 667 mSDtfsCounter, 1 mSDsluCounter, 665 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1332 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 [2022-11-02 20:35:20,517 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1332 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 20:35:20,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2022-11-02 20:35:20,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 448. [2022-11-02 20:35:20,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 448 states, 345 states have (on average 1.5246376811594202) internal successors, (526), 349 states have internal predecessors, (526), 73 states have call successors, (73), 29 states have call predecessors, (73), 29 states have return successors, (72), 71 states have call predecessors, (72), 72 states have call successors, (72) [2022-11-02 20:35:20,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 671 transitions. [2022-11-02 20:35:20,558 INFO L78 Accepts]: Start accepts. Automaton has 448 states and 671 transitions. Word has length 152 [2022-11-02 20:35:20,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:35:20,559 INFO L495 AbstractCegarLoop]: Abstraction has 448 states and 671 transitions. [2022-11-02 20:35:20,559 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-02 20:35:20,560 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 671 transitions. [2022-11-02 20:35:20,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2022-11-02 20:35:20,563 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:35:20,563 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:35:20,604 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d6cb74-fed5-40df-a2c6-10e20e1ec6de/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-02 20:35:20,778 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d6cb74-fed5-40df-a2c6-10e20e1ec6de/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2022-11-02 20:35:20,778 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:35:20,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:35:20,779 INFO L85 PathProgramCache]: Analyzing trace with hash 1858800220, now seen corresponding path program 1 times [2022-11-02 20:35:20,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:35:20,780 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554334915] [2022-11-02 20:35:20,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:35:20,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:35:20,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:21,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:35:21,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:21,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-02 20:35:21,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:21,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:35:21,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:21,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-02 20:35:21,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:21,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-02 20:35:21,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:21,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-02 20:35:21,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:21,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-02 20:35:21,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:21,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-02 20:35:21,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:21,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-11-02 20:35:21,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:21,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-02 20:35:21,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:21,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-02 20:35:21,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:21,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-02 20:35:21,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:21,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-02 20:35:21,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:21,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-02 20:35:21,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:21,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-02 20:35:21,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:21,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-02 20:35:21,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:21,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:35:21,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:21,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-11-02 20:35:21,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:21,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-11-02 20:35:21,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:21,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-11-02 20:35:21,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:21,128 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-11-02 20:35:21,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:35:21,129 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [554334915] [2022-11-02 20:35:21,129 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [554334915] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:35:21,129 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1661977057] [2022-11-02 20:35:21,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:35:21,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:35:21,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d6cb74-fed5-40df-a2c6-10e20e1ec6de/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:35:21,131 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d6cb74-fed5-40df-a2c6-10e20e1ec6de/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:35:21,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d6cb74-fed5-40df-a2c6-10e20e1ec6de/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-02 20:35:21,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:21,496 INFO L263 TraceCheckSpWp]: Trace formula consists of 1325 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-02 20:35:21,501 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:35:21,533 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2022-11-02 20:35:21,533 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:35:21,533 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1661977057] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:35:21,534 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-02 20:35:21,534 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2022-11-02 20:35:21,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564583476] [2022-11-02 20:35:21,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:35:21,535 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:35:21,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:35:21,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:35:21,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-11-02 20:35:21,536 INFO L87 Difference]: Start difference. First operand 448 states and 671 transitions. Second operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-02 20:35:21,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:35:21,571 INFO L93 Difference]: Finished difference Result 944 states and 1434 transitions. [2022-11-02 20:35:21,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:35:21,572 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 158 [2022-11-02 20:35:21,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:35:21,576 INFO L225 Difference]: With dead ends: 944 [2022-11-02 20:35:21,576 INFO L226 Difference]: Without dead ends: 523 [2022-11-02 20:35:21,577 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-11-02 20:35:21,578 INFO L413 NwaCegarLoop]: 691 mSDtfsCounter, 134 mSDsluCounter, 622 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 1313 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 [2022-11-02 20:35:21,579 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 1313 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 20:35:21,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 523 states. [2022-11-02 20:35:21,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 523 to 515. [2022-11-02 20:35:21,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 515 states, 398 states have (on average 1.5452261306532664) internal successors, (615), 402 states have internal predecessors, (615), 87 states have call successors, (87), 29 states have call predecessors, (87), 29 states have return successors, (86), 85 states have call predecessors, (86), 86 states have call successors, (86) [2022-11-02 20:35:21,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 515 states and 788 transitions. [2022-11-02 20:35:21,612 INFO L78 Accepts]: Start accepts. Automaton has 515 states and 788 transitions. Word has length 158 [2022-11-02 20:35:21,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:35:21,613 INFO L495 AbstractCegarLoop]: Abstraction has 515 states and 788 transitions. [2022-11-02 20:35:21,613 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-02 20:35:21,613 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 788 transitions. [2022-11-02 20:35:21,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2022-11-02 20:35:21,623 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:35:21,623 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:35:21,666 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d6cb74-fed5-40df-a2c6-10e20e1ec6de/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-02 20:35:21,824 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d6cb74-fed5-40df-a2c6-10e20e1ec6de/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:35:21,824 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:35:21,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:35:21,825 INFO L85 PathProgramCache]: Analyzing trace with hash -540724864, now seen corresponding path program 1 times [2022-11-02 20:35:21,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:35:21,825 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658976489] [2022-11-02 20:35:21,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:35:21,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:35:21,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:22,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:35:22,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:22,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-02 20:35:22,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:22,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:35:22,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:22,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-02 20:35:22,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:22,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-02 20:35:22,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:22,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-02 20:35:22,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:22,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-02 20:35:22,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:22,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-02 20:35:22,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:22,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-02 20:35:22,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:22,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-02 20:35:22,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:22,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-11-02 20:35:22,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:22,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-02 20:35:22,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:22,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-02 20:35:22,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:22,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-02 20:35:22,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:22,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-02 20:35:22,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:22,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-02 20:35:22,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:22,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:35:22,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:22,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-02 20:35:22,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:22,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-11-02 20:35:22,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:22,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-11-02 20:35:22,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:22,199 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-11-02 20:35:22,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:35:22,199 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658976489] [2022-11-02 20:35:22,200 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1658976489] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:35:22,200 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [974161476] [2022-11-02 20:35:22,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:35:22,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:35:22,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d6cb74-fed5-40df-a2c6-10e20e1ec6de/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:35:22,202 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d6cb74-fed5-40df-a2c6-10e20e1ec6de/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:35:22,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d6cb74-fed5-40df-a2c6-10e20e1ec6de/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-02 20:35:22,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:22,566 INFO L263 TraceCheckSpWp]: Trace formula consists of 1332 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-02 20:35:22,570 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:35:22,649 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-02 20:35:22,650 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:35:22,650 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [974161476] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:35:22,650 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-02 20:35:22,650 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2022-11-02 20:35:22,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099383652] [2022-11-02 20:35:22,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:35:22,652 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 20:35:22,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:35:22,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 20:35:22,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-11-02 20:35:22,653 INFO L87 Difference]: Start difference. First operand 515 states and 788 transitions. Second operand has 5 states, 4 states have (on average 24.75) internal successors, (99), 5 states have internal predecessors, (99), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-02 20:35:22,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:35:22,734 INFO L93 Difference]: Finished difference Result 1021 states and 1566 transitions. [2022-11-02 20:35:22,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:35:22,734 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 24.75) internal successors, (99), 5 states have internal predecessors, (99), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) Word has length 159 [2022-11-02 20:35:22,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:35:22,738 INFO L225 Difference]: With dead ends: 1021 [2022-11-02 20:35:22,738 INFO L226 Difference]: Without dead ends: 517 [2022-11-02 20:35:22,740 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2022-11-02 20:35:22,740 INFO L413 NwaCegarLoop]: 660 mSDtfsCounter, 152 mSDsluCounter, 1805 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 2465 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 [2022-11-02 20:35:22,741 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 2465 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 20:35:22,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 517 states. [2022-11-02 20:35:22,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 517 to 517. [2022-11-02 20:35:22,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 517 states, 399 states have (on average 1.543859649122807) internal successors, (616), 404 states have internal predecessors, (616), 87 states have call successors, (87), 29 states have call predecessors, (87), 30 states have return successors, (88), 85 states have call predecessors, (88), 86 states have call successors, (88) [2022-11-02 20:35:22,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 517 states and 791 transitions. [2022-11-02 20:35:22,767 INFO L78 Accepts]: Start accepts. Automaton has 517 states and 791 transitions. Word has length 159 [2022-11-02 20:35:22,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:35:22,767 INFO L495 AbstractCegarLoop]: Abstraction has 517 states and 791 transitions. [2022-11-02 20:35:22,768 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 24.75) internal successors, (99), 5 states have internal predecessors, (99), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-02 20:35:22,768 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 791 transitions. [2022-11-02 20:35:22,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2022-11-02 20:35:22,772 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:35:22,772 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:35:22,812 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d6cb74-fed5-40df-a2c6-10e20e1ec6de/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-02 20:35:22,995 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d6cb74-fed5-40df-a2c6-10e20e1ec6de/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:35:22,996 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:35:22,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:35:22,996 INFO L85 PathProgramCache]: Analyzing trace with hash -244315761, now seen corresponding path program 1 times [2022-11-02 20:35:22,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:35:22,996 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850582152] [2022-11-02 20:35:22,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:35:22,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:35:23,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:23,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:35:23,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:23,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-02 20:35:23,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:23,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:35:23,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:23,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 20:35:23,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:23,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-02 20:35:23,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:23,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-02 20:35:23,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:23,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-02 20:35:23,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:23,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-02 20:35:23,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:23,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-02 20:35:23,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:23,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-02 20:35:23,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:23,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-11-02 20:35:23,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:23,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-02 20:35:23,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:23,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-02 20:35:23,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:23,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-11-02 20:35:23,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:23,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-11-02 20:35:23,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:23,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-02 20:35:23,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:23,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-11-02 20:35:23,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:23,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-02 20:35:23,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:23,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-11-02 20:35:23,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:23,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:35:23,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:23,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-02 20:35:23,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:23,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-11-02 20:35:23,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:23,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-11-02 20:35:23,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:23,364 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-11-02 20:35:23,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:35:23,364 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850582152] [2022-11-02 20:35:23,364 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [850582152] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:35:23,365 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1878745323] [2022-11-02 20:35:23,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:35:23,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:35:23,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d6cb74-fed5-40df-a2c6-10e20e1ec6de/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:35:23,368 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d6cb74-fed5-40df-a2c6-10e20e1ec6de/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:35:23,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d6cb74-fed5-40df-a2c6-10e20e1ec6de/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-02 20:35:23,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:23,740 INFO L263 TraceCheckSpWp]: Trace formula consists of 1414 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-02 20:35:23,746 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:35:23,819 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-11-02 20:35:23,819 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:35:23,820 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1878745323] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:35:23,820 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-02 20:35:23,820 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2022-11-02 20:35:23,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987069535] [2022-11-02 20:35:23,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:35:23,821 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 20:35:23,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:35:23,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 20:35:23,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2022-11-02 20:35:23,822 INFO L87 Difference]: Start difference. First operand 517 states and 791 transitions. Second operand has 5 states, 5 states have (on average 21.6) internal successors, (108), 5 states have internal predecessors, (108), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-11-02 20:35:23,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:35:23,918 INFO L93 Difference]: Finished difference Result 1023 states and 1571 transitions. [2022-11-02 20:35:23,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:35:23,919 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 5 states have internal predecessors, (108), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 179 [2022-11-02 20:35:23,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:35:23,924 INFO L225 Difference]: With dead ends: 1023 [2022-11-02 20:35:23,924 INFO L226 Difference]: Without dead ends: 519 [2022-11-02 20:35:23,926 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 231 GetRequests, 217 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2022-11-02 20:35:23,927 INFO L413 NwaCegarLoop]: 658 mSDtfsCounter, 151 mSDsluCounter, 1796 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 2454 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 [2022-11-02 20:35:23,928 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [174 Valid, 2454 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 20:35:23,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 519 states. [2022-11-02 20:35:23,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 519 to 519. [2022-11-02 20:35:23,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 519 states, 400 states have (on average 1.5425) internal successors, (617), 406 states have internal predecessors, (617), 87 states have call successors, (87), 29 states have call predecessors, (87), 31 states have return successors, (93), 85 states have call predecessors, (93), 86 states have call successors, (93) [2022-11-02 20:35:23,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 519 states and 797 transitions. [2022-11-02 20:35:23,983 INFO L78 Accepts]: Start accepts. Automaton has 519 states and 797 transitions. Word has length 179 [2022-11-02 20:35:23,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:35:23,983 INFO L495 AbstractCegarLoop]: Abstraction has 519 states and 797 transitions. [2022-11-02 20:35:23,983 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 5 states have internal predecessors, (108), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-11-02 20:35:23,984 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 797 transitions. [2022-11-02 20:35:23,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-11-02 20:35:23,987 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:35:23,987 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:35:24,025 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d6cb74-fed5-40df-a2c6-10e20e1ec6de/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-11-02 20:35:24,203 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d6cb74-fed5-40df-a2c6-10e20e1ec6de/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:35:24,204 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:35:24,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:35:24,204 INFO L85 PathProgramCache]: Analyzing trace with hash 2107311229, now seen corresponding path program 1 times [2022-11-02 20:35:24,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:35:24,204 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939751785] [2022-11-02 20:35:24,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:35:24,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:35:24,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:24,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:35:24,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:24,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-02 20:35:24,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:24,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:35:24,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:24,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 20:35:24,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:24,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-02 20:35:24,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:24,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-02 20:35:24,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:24,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-11-02 20:35:24,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:24,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-02 20:35:24,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:24,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-02 20:35:24,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:24,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-02 20:35:24,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:24,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-02 20:35:24,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:24,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-02 20:35:24,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:24,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-02 20:35:24,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:24,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-11-02 20:35:24,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:24,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-02 20:35:24,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:24,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-11-02 20:35:24,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:24,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:35:24,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:24,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-11-02 20:35:24,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:24,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-02 20:35:24,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:24,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-11-02 20:35:24,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:24,475 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-11-02 20:35:24,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:35:24,475 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [939751785] [2022-11-02 20:35:24,475 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [939751785] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:35:24,475 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:35:24,475 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-02 20:35:24,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473401176] [2022-11-02 20:35:24,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:35:24,476 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-02 20:35:24,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:35:24,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-02 20:35:24,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-02 20:35:24,477 INFO L87 Difference]: Start difference. First operand 519 states and 797 transitions. Second operand has 9 states, 8 states have (on average 12.125) internal successors, (97), 5 states have internal predecessors, (97), 3 states have call successors, (23), 6 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-02 20:35:27,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:35:27,591 INFO L93 Difference]: Finished difference Result 1218 states and 1886 transitions. [2022-11-02 20:35:27,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-02 20:35:27,592 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 12.125) internal successors, (97), 5 states have internal predecessors, (97), 3 states have call successors, (23), 6 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) Word has length 161 [2022-11-02 20:35:27,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:35:27,597 INFO L225 Difference]: With dead ends: 1218 [2022-11-02 20:35:27,597 INFO L226 Difference]: Without dead ends: 722 [2022-11-02 20:35:27,602 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2022-11-02 20:35:27,603 INFO L413 NwaCegarLoop]: 715 mSDtfsCounter, 1810 mSDsluCounter, 985 mSDsCounter, 0 mSdLazyCounter, 2560 mSolverCounterSat, 767 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1830 SdHoareTripleChecker+Valid, 1700 SdHoareTripleChecker+Invalid, 3327 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 767 IncrementalHoareTripleChecker+Valid, 2560 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-11-02 20:35:27,603 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1830 Valid, 1700 Invalid, 3327 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [767 Valid, 2560 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-11-02 20:35:27,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 722 states. [2022-11-02 20:35:27,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 722 to 519. [2022-11-02 20:35:27,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 519 states, 400 states have (on average 1.5425) internal successors, (617), 406 states have internal predecessors, (617), 87 states have call successors, (87), 29 states have call predecessors, (87), 31 states have return successors, (92), 85 states have call predecessors, (92), 86 states have call successors, (92) [2022-11-02 20:35:27,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 519 states and 796 transitions. [2022-11-02 20:35:27,663 INFO L78 Accepts]: Start accepts. Automaton has 519 states and 796 transitions. Word has length 161 [2022-11-02 20:35:27,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:35:27,664 INFO L495 AbstractCegarLoop]: Abstraction has 519 states and 796 transitions. [2022-11-02 20:35:27,664 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 12.125) internal successors, (97), 5 states have internal predecessors, (97), 3 states have call successors, (23), 6 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-02 20:35:27,664 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 796 transitions. [2022-11-02 20:35:27,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2022-11-02 20:35:27,668 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:35:27,668 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:35:27,668 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-02 20:35:27,668 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:35:27,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:35:27,669 INFO L85 PathProgramCache]: Analyzing trace with hash -1367436652, now seen corresponding path program 1 times [2022-11-02 20:35:27,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:35:27,669 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915508843] [2022-11-02 20:35:27,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:35:27,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:35:27,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:27,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:35:27,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:27,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-02 20:35:27,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:27,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:35:27,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:27,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 20:35:27,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:27,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-02 20:35:27,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:27,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-02 20:35:27,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:27,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-02 20:35:27,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:27,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-02 20:35:27,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:27,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-02 20:35:27,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:27,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-02 20:35:27,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:27,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-02 20:35:27,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:27,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-02 20:35:27,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:27,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-11-02 20:35:27,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:27,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-02 20:35:27,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:27,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-02 20:35:27,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:27,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-11-02 20:35:27,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:27,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-11-02 20:35:27,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:27,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-02 20:35:27,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:27,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-11-02 20:35:27,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:27,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:35:27,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:27,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-11-02 20:35:27,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:27,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-11-02 20:35:27,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:27,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-11-02 20:35:27,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:27,969 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2022-11-02 20:35:27,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:35:27,970 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915508843] [2022-11-02 20:35:27,970 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [915508843] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:35:27,970 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:35:27,970 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-02 20:35:27,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770394558] [2022-11-02 20:35:27,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:35:27,971 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-02 20:35:27,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:35:27,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-02 20:35:27,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-02 20:35:27,972 INFO L87 Difference]: Start difference. First operand 519 states and 796 transitions. Second operand has 9 states, 8 states have (on average 13.125) internal successors, (105), 5 states have internal predecessors, (105), 3 states have call successors, (26), 6 states have call predecessors, (26), 2 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) [2022-11-02 20:35:30,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:35:30,879 INFO L93 Difference]: Finished difference Result 1220 states and 1889 transitions. [2022-11-02 20:35:30,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-02 20:35:30,880 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 13.125) internal successors, (105), 5 states have internal predecessors, (105), 3 states have call successors, (26), 6 states have call predecessors, (26), 2 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) Word has length 181 [2022-11-02 20:35:30,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:35:30,885 INFO L225 Difference]: With dead ends: 1220 [2022-11-02 20:35:30,885 INFO L226 Difference]: Without dead ends: 724 [2022-11-02 20:35:30,887 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2022-11-02 20:35:30,888 INFO L413 NwaCegarLoop]: 696 mSDtfsCounter, 1844 mSDsluCounter, 985 mSDsCounter, 0 mSdLazyCounter, 2495 mSolverCounterSat, 783 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1865 SdHoareTripleChecker+Valid, 1681 SdHoareTripleChecker+Invalid, 3278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 783 IncrementalHoareTripleChecker+Valid, 2495 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-11-02 20:35:30,888 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1865 Valid, 1681 Invalid, 3278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [783 Valid, 2495 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-11-02 20:35:30,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 724 states. [2022-11-02 20:35:30,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 724 to 521. [2022-11-02 20:35:30,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 521 states, 401 states have (on average 1.541147132169576) internal successors, (618), 408 states have internal predecessors, (618), 87 states have call successors, (87), 29 states have call predecessors, (87), 32 states have return successors, (94), 85 states have call predecessors, (94), 86 states have call successors, (94) [2022-11-02 20:35:30,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 521 states and 799 transitions. [2022-11-02 20:35:30,976 INFO L78 Accepts]: Start accepts. Automaton has 521 states and 799 transitions. Word has length 181 [2022-11-02 20:35:30,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:35:30,977 INFO L495 AbstractCegarLoop]: Abstraction has 521 states and 799 transitions. [2022-11-02 20:35:30,977 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 13.125) internal successors, (105), 5 states have internal predecessors, (105), 3 states have call successors, (26), 6 states have call predecessors, (26), 2 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) [2022-11-02 20:35:30,977 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 799 transitions. [2022-11-02 20:35:30,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2022-11-02 20:35:30,982 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:35:30,982 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:35:30,982 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-02 20:35:30,982 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:35:30,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:35:30,983 INFO L85 PathProgramCache]: Analyzing trace with hash 1444496977, now seen corresponding path program 1 times [2022-11-02 20:35:30,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:35:30,983 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370567670] [2022-11-02 20:35:30,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:35:30,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:35:31,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:31,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:35:31,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:31,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-02 20:35:31,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:31,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:35:31,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:31,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 20:35:31,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:31,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-02 20:35:31,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:31,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-02 20:35:31,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:31,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-02 20:35:31,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:31,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-02 20:35:31,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:31,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-02 20:35:31,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:31,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-02 20:35:31,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:31,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-02 20:35:31,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:31,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-02 20:35:31,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:31,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-02 20:35:31,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:31,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-02 20:35:31,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:31,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-02 20:35:31,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:31,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-02 20:35:31,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:31,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-11-02 20:35:31,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:31,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-11-02 20:35:31,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:31,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-02 20:35:31,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:31,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:35:31,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:31,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-11-02 20:35:31,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:31,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-11-02 20:35:31,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:31,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-11-02 20:35:31,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:31,321 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-11-02 20:35:31,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:35:31,321 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370567670] [2022-11-02 20:35:31,322 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [370567670] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:35:31,322 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:35:31,322 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-02 20:35:31,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285385463] [2022-11-02 20:35:31,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:35:31,323 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-02 20:35:31,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:35:31,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-02 20:35:31,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2022-11-02 20:35:31,324 INFO L87 Difference]: Start difference. First operand 521 states and 799 transitions. Second operand has 12 states, 11 states have (on average 9.909090909090908) internal successors, (109), 8 states have internal predecessors, (109), 4 states have call successors, (26), 6 states have call predecessors, (26), 3 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) [2022-11-02 20:35:35,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:35:35,257 INFO L93 Difference]: Finished difference Result 1218 states and 1884 transitions. [2022-11-02 20:35:35,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-02 20:35:35,258 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 9.909090909090908) internal successors, (109), 8 states have internal predecessors, (109), 4 states have call successors, (26), 6 states have call predecessors, (26), 3 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) Word has length 182 [2022-11-02 20:35:35,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:35:35,264 INFO L225 Difference]: With dead ends: 1218 [2022-11-02 20:35:35,264 INFO L226 Difference]: Without dead ends: 724 [2022-11-02 20:35:35,266 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=112, Invalid=440, Unknown=0, NotChecked=0, Total=552 [2022-11-02 20:35:35,267 INFO L413 NwaCegarLoop]: 693 mSDtfsCounter, 1930 mSDsluCounter, 1358 mSDsCounter, 0 mSdLazyCounter, 4553 mSolverCounterSat, 827 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1930 SdHoareTripleChecker+Valid, 2051 SdHoareTripleChecker+Invalid, 5380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 827 IncrementalHoareTripleChecker+Valid, 4553 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-11-02 20:35:35,267 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1930 Valid, 2051 Invalid, 5380 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [827 Valid, 4553 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-11-02 20:35:35,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 724 states. [2022-11-02 20:35:35,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 724 to 521. [2022-11-02 20:35:35,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 521 states, 401 states have (on average 1.541147132169576) internal successors, (618), 408 states have internal predecessors, (618), 87 states have call successors, (87), 29 states have call predecessors, (87), 32 states have return successors, (93), 85 states have call predecessors, (93), 86 states have call successors, (93) [2022-11-02 20:35:35,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 521 states and 798 transitions. [2022-11-02 20:35:35,331 INFO L78 Accepts]: Start accepts. Automaton has 521 states and 798 transitions. Word has length 182 [2022-11-02 20:35:35,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:35:35,332 INFO L495 AbstractCegarLoop]: Abstraction has 521 states and 798 transitions. [2022-11-02 20:35:35,332 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 9.909090909090908) internal successors, (109), 8 states have internal predecessors, (109), 4 states have call successors, (26), 6 states have call predecessors, (26), 3 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) [2022-11-02 20:35:35,332 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 798 transitions. [2022-11-02 20:35:35,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2022-11-02 20:35:35,336 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:35:35,336 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:35:35,336 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-02 20:35:35,337 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:35:35,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:35:35,337 INFO L85 PathProgramCache]: Analyzing trace with hash 609705331, now seen corresponding path program 1 times [2022-11-02 20:35:35,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:35:35,337 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269447293] [2022-11-02 20:35:35,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:35:35,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:35:35,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:35,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:35:35,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:35,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-02 20:35:35,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:35,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:35:35,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:35,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 20:35:35,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:35,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-02 20:35:35,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:35,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-02 20:35:35,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:35,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-02 20:35:35,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:35,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-11-02 20:35:35,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:35,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-02 20:35:35,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:35,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-02 20:35:35,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:35,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-02 20:35:35,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:35,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-02 20:35:35,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:35,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-02 20:35:35,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:35,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-02 20:35:35,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:35,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-11-02 20:35:35,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:35,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-11-02 20:35:35,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:35,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:35:35,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:35,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-11-02 20:35:35,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:35,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-11-02 20:35:35,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:35,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-11-02 20:35:35,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:35,694 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-11-02 20:35:35,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:35:35,694 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269447293] [2022-11-02 20:35:35,694 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1269447293] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:35:35,695 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:35:35,695 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-02 20:35:35,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302739392] [2022-11-02 20:35:35,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:35:35,696 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-02 20:35:35,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:35:35,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-02 20:35:35,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2022-11-02 20:35:35,698 INFO L87 Difference]: Start difference. First operand 521 states and 798 transitions. Second operand has 12 states, 11 states have (on average 9.363636363636363) internal successors, (103), 8 states have internal predecessors, (103), 4 states have call successors, (23), 6 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) [2022-11-02 20:35:39,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:35:39,672 INFO L93 Difference]: Finished difference Result 1220 states and 1890 transitions. [2022-11-02 20:35:39,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-02 20:35:39,673 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 9.363636363636363) internal successors, (103), 8 states have internal predecessors, (103), 4 states have call successors, (23), 6 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) Word has length 164 [2022-11-02 20:35:39,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:35:39,678 INFO L225 Difference]: With dead ends: 1220 [2022-11-02 20:35:39,678 INFO L226 Difference]: Without dead ends: 726 [2022-11-02 20:35:39,681 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=112, Invalid=440, Unknown=0, NotChecked=0, Total=552 [2022-11-02 20:35:39,681 INFO L413 NwaCegarLoop]: 733 mSDtfsCounter, 1875 mSDsluCounter, 1358 mSDsCounter, 0 mSdLazyCounter, 4888 mSolverCounterSat, 791 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1875 SdHoareTripleChecker+Valid, 2091 SdHoareTripleChecker+Invalid, 5679 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 791 IncrementalHoareTripleChecker+Valid, 4888 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-11-02 20:35:39,682 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1875 Valid, 2091 Invalid, 5679 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [791 Valid, 4888 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-11-02 20:35:39,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 726 states. [2022-11-02 20:35:39,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 726 to 523. [2022-11-02 20:35:39,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 523 states, 402 states have (on average 1.5398009950248757) internal successors, (619), 410 states have internal predecessors, (619), 87 states have call successors, (87), 29 states have call predecessors, (87), 33 states have return successors, (98), 85 states have call predecessors, (98), 86 states have call successors, (98) [2022-11-02 20:35:39,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 523 states and 804 transitions. [2022-11-02 20:35:39,743 INFO L78 Accepts]: Start accepts. Automaton has 523 states and 804 transitions. Word has length 164 [2022-11-02 20:35:39,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:35:39,743 INFO L495 AbstractCegarLoop]: Abstraction has 523 states and 804 transitions. [2022-11-02 20:35:39,743 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 9.363636363636363) internal successors, (103), 8 states have internal predecessors, (103), 4 states have call successors, (23), 6 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) [2022-11-02 20:35:39,744 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 804 transitions. [2022-11-02 20:35:39,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2022-11-02 20:35:39,747 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:35:39,748 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:35:39,748 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-02 20:35:39,748 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:35:39,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:35:39,749 INFO L85 PathProgramCache]: Analyzing trace with hash 39579404, now seen corresponding path program 1 times [2022-11-02 20:35:39,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:35:39,749 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618069051] [2022-11-02 20:35:39,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:35:39,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:35:39,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:39,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:35:39,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:39,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-02 20:35:39,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:39,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:35:39,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:39,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 20:35:39,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:39,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-02 20:35:39,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:39,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-02 20:35:39,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:39,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-02 20:35:39,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:39,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-02 20:35:39,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:39,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-11-02 20:35:39,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:39,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-02 20:35:39,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:39,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-02 20:35:39,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:39,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-02 20:35:39,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:39,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-02 20:35:39,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:39,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-11-02 20:35:39,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:39,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-02 20:35:39,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:39,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-11-02 20:35:39,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:39,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-11-02 20:35:39,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:39,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-11-02 20:35:39,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:39,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-11-02 20:35:39,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:39,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:35:39,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:39,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-02 20:35:39,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:39,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-02 20:35:39,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:39,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-11-02 20:35:39,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:39,993 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-11-02 20:35:39,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:35:39,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618069051] [2022-11-02 20:35:39,994 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [618069051] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:35:39,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1868585848] [2022-11-02 20:35:39,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:35:39,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:35:39,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d6cb74-fed5-40df-a2c6-10e20e1ec6de/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:35:40,000 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d6cb74-fed5-40df-a2c6-10e20e1ec6de/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:35:40,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d6cb74-fed5-40df-a2c6-10e20e1ec6de/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-02 20:35:40,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:40,332 INFO L263 TraceCheckSpWp]: Trace formula consists of 1419 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-02 20:35:40,336 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:35:40,367 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-11-02 20:35:40,367 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 20:35:40,479 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-11-02 20:35:40,479 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1868585848] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-02 20:35:40,479 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-02 20:35:40,479 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 11 [2022-11-02 20:35:40,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495575000] [2022-11-02 20:35:40,480 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-02 20:35:40,481 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-02 20:35:40,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:35:40,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-02 20:35:40,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2022-11-02 20:35:40,482 INFO L87 Difference]: Start difference. First operand 523 states and 804 transitions. Second operand has 11 states, 11 states have (on average 14.545454545454545) internal successors, (160), 7 states have internal predecessors, (160), 2 states have call successors, (53), 6 states have call predecessors, (53), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2022-11-02 20:35:43,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:35:43,559 INFO L93 Difference]: Finished difference Result 1422 states and 2283 transitions. [2022-11-02 20:35:43,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-02 20:35:43,560 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 14.545454545454545) internal successors, (160), 7 states have internal predecessors, (160), 2 states have call successors, (53), 6 states have call predecessors, (53), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 184 [2022-11-02 20:35:43,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:35:43,568 INFO L225 Difference]: With dead ends: 1422 [2022-11-02 20:35:43,569 INFO L226 Difference]: Without dead ends: 1168 [2022-11-02 20:35:43,571 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 426 GetRequests, 411 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2022-11-02 20:35:43,571 INFO L413 NwaCegarLoop]: 827 mSDtfsCounter, 2219 mSDsluCounter, 1367 mSDsCounter, 0 mSdLazyCounter, 2357 mSolverCounterSat, 939 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2276 SdHoareTripleChecker+Valid, 2194 SdHoareTripleChecker+Invalid, 3296 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 939 IncrementalHoareTripleChecker+Valid, 2357 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-11-02 20:35:43,572 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2276 Valid, 2194 Invalid, 3296 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [939 Valid, 2357 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-11-02 20:35:43,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1168 states. [2022-11-02 20:35:43,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1168 to 941. [2022-11-02 20:35:43,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 941 states, 741 states have (on average 1.6086369770580298) internal successors, (1192), 749 states have internal predecessors, (1192), 166 states have call successors, (166), 29 states have call predecessors, (166), 33 states have return successors, (187), 164 states have call predecessors, (187), 165 states have call successors, (187) [2022-11-02 20:35:43,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 941 states to 941 states and 1545 transitions. [2022-11-02 20:35:43,684 INFO L78 Accepts]: Start accepts. Automaton has 941 states and 1545 transitions. Word has length 184 [2022-11-02 20:35:43,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:35:43,685 INFO L495 AbstractCegarLoop]: Abstraction has 941 states and 1545 transitions. [2022-11-02 20:35:43,685 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 14.545454545454545) internal successors, (160), 7 states have internal predecessors, (160), 2 states have call successors, (53), 6 states have call predecessors, (53), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2022-11-02 20:35:43,685 INFO L276 IsEmpty]: Start isEmpty. Operand 941 states and 1545 transitions. [2022-11-02 20:35:43,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2022-11-02 20:35:43,691 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:35:43,691 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:35:43,727 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d6cb74-fed5-40df-a2c6-10e20e1ec6de/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-11-02 20:35:43,919 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d6cb74-fed5-40df-a2c6-10e20e1ec6de/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-02 20:35:43,920 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:35:43,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:35:43,920 INFO L85 PathProgramCache]: Analyzing trace with hash 769831716, now seen corresponding path program 1 times [2022-11-02 20:35:43,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:35:43,920 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081826248] [2022-11-02 20:35:43,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:35:43,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:35:43,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:44,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:35:44,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:44,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-02 20:35:44,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:44,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:35:44,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:44,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 20:35:44,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:44,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-02 20:35:44,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:44,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-02 20:35:44,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:44,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-02 20:35:44,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:44,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-02 20:35:44,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:44,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-02 20:35:44,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:44,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-02 20:35:44,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:44,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-02 20:35:44,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:44,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-02 20:35:44,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:44,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-02 20:35:44,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:44,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-11-02 20:35:44,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:44,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-11-02 20:35:44,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:44,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-02 20:35:44,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:44,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:35:44,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:44,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-11-02 20:35:44,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:44,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-02 20:35:44,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:44,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-02 20:35:44,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:44,078 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-11-02 20:35:44,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:35:44,079 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081826248] [2022-11-02 20:35:44,079 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1081826248] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:35:44,079 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:35:44,079 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-02 20:35:44,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727903347] [2022-11-02 20:35:44,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:35:44,080 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-02 20:35:44,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:35:44,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-02 20:35:44,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-02 20:35:44,081 INFO L87 Difference]: Start difference. First operand 941 states and 1545 transitions. Second operand has 7 states, 7 states have (on average 15.0) internal successors, (105), 3 states have internal predecessors, (105), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-02 20:35:46,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:35:46,308 INFO L93 Difference]: Finished difference Result 2440 states and 4084 transitions. [2022-11-02 20:35:46,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-02 20:35:46,311 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.0) internal successors, (105), 3 states have internal predecessors, (105), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 171 [2022-11-02 20:35:46,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:35:46,320 INFO L225 Difference]: With dead ends: 2440 [2022-11-02 20:35:46,320 INFO L226 Difference]: Without dead ends: 1567 [2022-11-02 20:35:46,324 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-11-02 20:35:46,324 INFO L413 NwaCegarLoop]: 781 mSDtfsCounter, 1764 mSDsluCounter, 818 mSDsCounter, 0 mSdLazyCounter, 1347 mSolverCounterSat, 804 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1783 SdHoareTripleChecker+Valid, 1599 SdHoareTripleChecker+Invalid, 2151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 804 IncrementalHoareTripleChecker+Valid, 1347 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-11-02 20:35:46,325 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1783 Valid, 1599 Invalid, 2151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [804 Valid, 1347 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-11-02 20:35:46,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1567 states. [2022-11-02 20:35:46,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1567 to 1356. [2022-11-02 20:35:46,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1356 states, 1077 states have (on average 1.626740947075209) internal successors, (1752), 1085 states have internal predecessors, (1752), 245 states have call successors, (245), 29 states have call predecessors, (245), 33 states have return successors, (276), 243 states have call predecessors, (276), 244 states have call successors, (276) [2022-11-02 20:35:46,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1356 states to 1356 states and 2273 transitions. [2022-11-02 20:35:46,453 INFO L78 Accepts]: Start accepts. Automaton has 1356 states and 2273 transitions. Word has length 171 [2022-11-02 20:35:46,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:35:46,454 INFO L495 AbstractCegarLoop]: Abstraction has 1356 states and 2273 transitions. [2022-11-02 20:35:46,454 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.0) internal successors, (105), 3 states have internal predecessors, (105), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-02 20:35:46,454 INFO L276 IsEmpty]: Start isEmpty. Operand 1356 states and 2273 transitions. [2022-11-02 20:35:46,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-11-02 20:35:46,463 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:35:46,463 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:35:46,463 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-02 20:35:46,464 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:35:46,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:35:46,464 INFO L85 PathProgramCache]: Analyzing trace with hash 641024862, now seen corresponding path program 1 times [2022-11-02 20:35:46,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:35:46,465 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539599472] [2022-11-02 20:35:46,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:35:46,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:35:46,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:46,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:35:46,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:46,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-02 20:35:46,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:46,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:35:46,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:46,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 20:35:46,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:46,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-02 20:35:46,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:46,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-02 20:35:46,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:46,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-11-02 20:35:46,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:46,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-02 20:35:46,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:46,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-02 20:35:46,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:46,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-02 20:35:46,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:46,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-02 20:35:46,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:46,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-02 20:35:46,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:46,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-11-02 20:35:46,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:46,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-11-02 20:35:46,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:46,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-02 20:35:46,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:46,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-02 20:35:46,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:46,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-02 20:35:46,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:46,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-02 20:35:46,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:46,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-11-02 20:35:46,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:46,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:35:46,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:46,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-02 20:35:46,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:46,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-11-02 20:35:46,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:46,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-11-02 20:35:46,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:46,652 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-11-02 20:35:46,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:35:46,652 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539599472] [2022-11-02 20:35:46,652 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1539599472] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:35:46,652 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:35:46,653 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-02 20:35:46,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496156013] [2022-11-02 20:35:46,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:35:46,653 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-02 20:35:46,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:35:46,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-02 20:35:46,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-02 20:35:46,655 INFO L87 Difference]: Start difference. First operand 1356 states and 2273 transitions. Second operand has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-02 20:35:48,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:35:48,835 INFO L93 Difference]: Finished difference Result 3454 states and 5862 transitions. [2022-11-02 20:35:48,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-02 20:35:48,836 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 191 [2022-11-02 20:35:48,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:35:48,849 INFO L225 Difference]: With dead ends: 3454 [2022-11-02 20:35:48,849 INFO L226 Difference]: Without dead ends: 2219 [2022-11-02 20:35:48,853 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-11-02 20:35:48,854 INFO L413 NwaCegarLoop]: 747 mSDtfsCounter, 1777 mSDsluCounter, 775 mSDsCounter, 0 mSdLazyCounter, 1316 mSolverCounterSat, 816 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1795 SdHoareTripleChecker+Valid, 1522 SdHoareTripleChecker+Invalid, 2132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 816 IncrementalHoareTripleChecker+Valid, 1316 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-11-02 20:35:48,854 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1795 Valid, 1522 Invalid, 2132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [816 Valid, 1316 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-11-02 20:35:48,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2219 states. [2022-11-02 20:35:49,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2219 to 2008. [2022-11-02 20:35:49,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2008 states, 1610 states have (on average 1.6391304347826088) internal successors, (2639), 1618 states have internal predecessors, (2639), 364 states have call successors, (364), 29 states have call predecessors, (364), 33 states have return successors, (395), 362 states have call predecessors, (395), 363 states have call successors, (395) [2022-11-02 20:35:49,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2008 states to 2008 states and 3398 transitions. [2022-11-02 20:35:49,078 INFO L78 Accepts]: Start accepts. Automaton has 2008 states and 3398 transitions. Word has length 191 [2022-11-02 20:35:49,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:35:49,079 INFO L495 AbstractCegarLoop]: Abstraction has 2008 states and 3398 transitions. [2022-11-02 20:35:49,079 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-02 20:35:49,079 INFO L276 IsEmpty]: Start isEmpty. Operand 2008 states and 3398 transitions. [2022-11-02 20:35:49,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2022-11-02 20:35:49,093 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:35:49,093 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:35:49,093 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-02 20:35:49,093 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:35:49,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:35:49,094 INFO L85 PathProgramCache]: Analyzing trace with hash 212435366, now seen corresponding path program 1 times [2022-11-02 20:35:49,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:35:49,094 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771805818] [2022-11-02 20:35:49,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:35:49,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:35:49,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:49,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:35:49,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:49,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-02 20:35:49,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:49,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:35:49,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:49,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 20:35:49,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:49,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-02 20:35:49,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:49,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-02 20:35:49,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:49,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-02 20:35:49,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:49,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-02 20:35:49,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:49,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-02 20:35:49,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:49,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-02 20:35:49,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:49,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-11-02 20:35:49,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:49,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-11-02 20:35:49,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:49,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-02 20:35:49,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:49,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-02 20:35:49,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:49,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-11-02 20:35:49,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:49,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-02 20:35:49,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:49,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:35:49,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:49,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-11-02 20:35:49,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:49,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-02 20:35:49,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:49,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-11-02 20:35:49,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:49,243 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-11-02 20:35:49,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:35:49,243 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771805818] [2022-11-02 20:35:49,243 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1771805818] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:35:49,243 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:35:49,243 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-02 20:35:49,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577048714] [2022-11-02 20:35:49,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:35:49,245 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-02 20:35:49,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:35:49,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-02 20:35:49,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-02 20:35:49,246 INFO L87 Difference]: Start difference. First operand 2008 states and 3398 transitions. Second operand has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-02 20:35:51,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:35:51,539 INFO L93 Difference]: Finished difference Result 4984 states and 8564 transitions. [2022-11-02 20:35:51,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-02 20:35:51,540 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 173 [2022-11-02 20:35:51,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:35:51,559 INFO L225 Difference]: With dead ends: 4984 [2022-11-02 20:35:51,560 INFO L226 Difference]: Without dead ends: 3222 [2022-11-02 20:35:51,567 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-11-02 20:35:51,568 INFO L413 NwaCegarLoop]: 742 mSDtfsCounter, 1816 mSDsluCounter, 770 mSDsCounter, 0 mSdLazyCounter, 1288 mSolverCounterSat, 818 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1836 SdHoareTripleChecker+Valid, 1512 SdHoareTripleChecker+Invalid, 2106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 818 IncrementalHoareTripleChecker+Valid, 1288 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-11-02 20:35:51,568 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1836 Valid, 1512 Invalid, 2106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [818 Valid, 1288 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-11-02 20:35:51,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3222 states. [2022-11-02 20:35:51,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3222 to 3011. [2022-11-02 20:35:51,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3011 states, 2451 states have (on average 1.6487148102815177) internal successors, (4041), 2459 states have internal predecessors, (4041), 526 states have call successors, (526), 29 states have call predecessors, (526), 33 states have return successors, (573), 524 states have call predecessors, (573), 525 states have call successors, (573) [2022-11-02 20:35:51,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3011 states to 3011 states and 5140 transitions. [2022-11-02 20:35:51,869 INFO L78 Accepts]: Start accepts. Automaton has 3011 states and 5140 transitions. Word has length 173 [2022-11-02 20:35:51,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:35:51,870 INFO L495 AbstractCegarLoop]: Abstraction has 3011 states and 5140 transitions. [2022-11-02 20:35:51,870 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-02 20:35:51,870 INFO L276 IsEmpty]: Start isEmpty. Operand 3011 states and 5140 transitions. [2022-11-02 20:35:51,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2022-11-02 20:35:51,896 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:35:51,897 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:35:51,897 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-02 20:35:51,897 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:35:51,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:35:51,898 INFO L85 PathProgramCache]: Analyzing trace with hash 936119318, now seen corresponding path program 1 times [2022-11-02 20:35:51,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:35:51,898 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587149116] [2022-11-02 20:35:51,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:35:51,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:35:51,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:51,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:35:51,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:51,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-02 20:35:51,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:51,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:35:51,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:51,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 20:35:51,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:51,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-02 20:35:51,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:51,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-02 20:35:51,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:52,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-02 20:35:52,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:52,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-11-02 20:35:52,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:52,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-02 20:35:52,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:52,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-02 20:35:52,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:52,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-11-02 20:35:52,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:52,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-11-02 20:35:52,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:52,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-11-02 20:35:52,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:52,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-02 20:35:52,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:52,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-02 20:35:52,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:52,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-11-02 20:35:52,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:52,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:35:52,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:52,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-11-02 20:35:52,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:52,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-11-02 20:35:52,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:52,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-11-02 20:35:52,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:52,059 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-11-02 20:35:52,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:35:52,059 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [587149116] [2022-11-02 20:35:52,059 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [587149116] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:35:52,060 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:35:52,060 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-02 20:35:52,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213585015] [2022-11-02 20:35:52,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:35:52,061 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-02 20:35:52,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:35:52,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-02 20:35:52,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-02 20:35:52,062 INFO L87 Difference]: Start difference. First operand 3011 states and 5140 transitions. Second operand has 7 states, 7 states have (on average 15.428571428571429) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-02 20:35:54,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:35:54,500 INFO L93 Difference]: Finished difference Result 7408 states and 12853 transitions. [2022-11-02 20:35:54,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-02 20:35:54,502 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.428571428571429) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 174 [2022-11-02 20:35:54,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:35:54,527 INFO L225 Difference]: With dead ends: 7408 [2022-11-02 20:35:54,528 INFO L226 Difference]: Without dead ends: 4847 [2022-11-02 20:35:54,537 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-11-02 20:35:54,537 INFO L413 NwaCegarLoop]: 761 mSDtfsCounter, 1758 mSDsluCounter, 770 mSDsCounter, 0 mSdLazyCounter, 1333 mSolverCounterSat, 803 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1777 SdHoareTripleChecker+Valid, 1531 SdHoareTripleChecker+Invalid, 2136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 803 IncrementalHoareTripleChecker+Valid, 1333 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-11-02 20:35:54,538 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1777 Valid, 1531 Invalid, 2136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [803 Valid, 1333 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-11-02 20:35:54,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4847 states. [2022-11-02 20:35:54,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4847 to 4636. [2022-11-02 20:35:54,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4636 states, 3831 states have (on average 1.6554424432263117) internal successors, (6342), 3839 states have internal predecessors, (6342), 771 states have call successors, (771), 29 states have call predecessors, (771), 33 states have return successors, (844), 769 states have call predecessors, (844), 770 states have call successors, (844) [2022-11-02 20:35:54,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4636 states to 4636 states and 7957 transitions. [2022-11-02 20:35:54,939 INFO L78 Accepts]: Start accepts. Automaton has 4636 states and 7957 transitions. Word has length 174 [2022-11-02 20:35:54,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:35:54,940 INFO L495 AbstractCegarLoop]: Abstraction has 4636 states and 7957 transitions. [2022-11-02 20:35:54,940 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.428571428571429) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-02 20:35:54,940 INFO L276 IsEmpty]: Start isEmpty. Operand 4636 states and 7957 transitions. [2022-11-02 20:35:54,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2022-11-02 20:35:54,963 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:35:54,963 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:35:54,963 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-02 20:35:54,963 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:35:54,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:35:54,964 INFO L85 PathProgramCache]: Analyzing trace with hash -979550526, now seen corresponding path program 1 times [2022-11-02 20:35:54,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:35:54,964 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1560797110] [2022-11-02 20:35:54,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:35:54,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:35:54,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:55,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:35:55,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:55,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-02 20:35:55,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:55,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:35:55,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:55,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 20:35:55,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:55,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-02 20:35:55,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:55,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-02 20:35:55,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:55,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-02 20:35:55,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:55,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-02 20:35:55,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:55,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-02 20:35:55,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:55,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-02 20:35:55,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:55,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-02 20:35:55,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:55,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-02 20:35:55,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:55,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-11-02 20:35:55,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:55,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-11-02 20:35:55,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:55,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-11-02 20:35:55,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:55,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-11-02 20:35:55,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:55,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:35:55,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:55,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-11-02 20:35:55,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:55,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-11-02 20:35:55,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:55,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-11-02 20:35:55,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:55,110 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-11-02 20:35:55,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:35:55,110 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1560797110] [2022-11-02 20:35:55,110 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1560797110] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:35:55,110 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:35:55,110 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-02 20:35:55,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111853820] [2022-11-02 20:35:55,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:35:55,111 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-02 20:35:55,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:35:55,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-02 20:35:55,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-02 20:35:55,112 INFO L87 Difference]: Start difference. First operand 4636 states and 7957 transitions. Second operand has 7 states, 7 states have (on average 15.571428571428571) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-02 20:35:57,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:35:57,677 INFO L93 Difference]: Finished difference Result 11454 states and 20013 transitions. [2022-11-02 20:35:57,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-02 20:35:57,678 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.571428571428571) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 175 [2022-11-02 20:35:57,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:35:57,717 INFO L225 Difference]: With dead ends: 11454 [2022-11-02 20:35:57,718 INFO L226 Difference]: Without dead ends: 7580 [2022-11-02 20:35:57,732 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-11-02 20:35:57,733 INFO L413 NwaCegarLoop]: 789 mSDtfsCounter, 1743 mSDsluCounter, 785 mSDsCounter, 0 mSdLazyCounter, 1366 mSolverCounterSat, 796 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1761 SdHoareTripleChecker+Valid, 1574 SdHoareTripleChecker+Invalid, 2162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 796 IncrementalHoareTripleChecker+Valid, 1366 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-11-02 20:35:57,733 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1761 Valid, 1574 Invalid, 2162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [796 Valid, 1366 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-11-02 20:35:57,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7580 states. [2022-11-02 20:35:58,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7580 to 7369. [2022-11-02 20:35:58,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7369 states, 6071 states have (on average 1.654916817657717) internal successors, (10047), 6079 states have internal predecessors, (10047), 1264 states have call successors, (1264), 29 states have call predecessors, (1264), 33 states have return successors, (1381), 1262 states have call predecessors, (1381), 1263 states have call successors, (1381) [2022-11-02 20:35:58,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7369 states to 7369 states and 12692 transitions. [2022-11-02 20:35:58,501 INFO L78 Accepts]: Start accepts. Automaton has 7369 states and 12692 transitions. Word has length 175 [2022-11-02 20:35:58,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:35:58,502 INFO L495 AbstractCegarLoop]: Abstraction has 7369 states and 12692 transitions. [2022-11-02 20:35:58,503 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.571428571428571) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-02 20:35:58,503 INFO L276 IsEmpty]: Start isEmpty. Operand 7369 states and 12692 transitions. [2022-11-02 20:35:58,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2022-11-02 20:35:58,535 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:35:58,536 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:35:58,536 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-02 20:35:58,536 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:35:58,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:35:58,536 INFO L85 PathProgramCache]: Analyzing trace with hash 502767354, now seen corresponding path program 1 times [2022-11-02 20:35:58,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:35:58,537 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716303974] [2022-11-02 20:35:58,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:35:58,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:35:58,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:58,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:35:58,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:58,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-02 20:35:58,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:58,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:35:58,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:58,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 20:35:58,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:58,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-02 20:35:58,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:58,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-02 20:35:58,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:58,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-02 20:35:58,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:58,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-02 20:35:58,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:58,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-11-02 20:35:58,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:58,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-02 20:35:58,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:58,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-02 20:35:58,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:58,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-02 20:35:58,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:58,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-11-02 20:35:58,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:58,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-02 20:35:58,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:58,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-11-02 20:35:58,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:58,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-11-02 20:35:58,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:58,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:35:58,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:58,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-11-02 20:35:58,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:58,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-11-02 20:35:58,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:58,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-11-02 20:35:58,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:58,676 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-11-02 20:35:58,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:35:58,676 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716303974] [2022-11-02 20:35:58,677 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [716303974] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:35:58,677 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:35:58,677 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-02 20:35:58,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643666219] [2022-11-02 20:35:58,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:35:58,678 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-02 20:35:58,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:35:58,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-02 20:35:58,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-02 20:35:58,679 INFO L87 Difference]: Start difference. First operand 7369 states and 12692 transitions. Second operand has 7 states, 7 states have (on average 15.714285714285714) internal successors, (110), 3 states have internal predecessors, (110), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-02 20:36:01,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:36:01,772 INFO L93 Difference]: Finished difference Result 18789 states and 32897 transitions. [2022-11-02 20:36:01,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-02 20:36:01,772 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.714285714285714) internal successors, (110), 3 states have internal predecessors, (110), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 176 [2022-11-02 20:36:01,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:36:01,835 INFO L225 Difference]: With dead ends: 18789 [2022-11-02 20:36:01,835 INFO L226 Difference]: Without dead ends: 12559 [2022-11-02 20:36:01,856 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-11-02 20:36:01,856 INFO L413 NwaCegarLoop]: 783 mSDtfsCounter, 1707 mSDsluCounter, 771 mSDsCounter, 0 mSdLazyCounter, 1370 mSolverCounterSat, 791 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1725 SdHoareTripleChecker+Valid, 1554 SdHoareTripleChecker+Invalid, 2161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 791 IncrementalHoareTripleChecker+Valid, 1370 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-11-02 20:36:01,857 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1725 Valid, 1554 Invalid, 2161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [791 Valid, 1370 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-11-02 20:36:01,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12559 states. [2022-11-02 20:36:02,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12559 to 12348. [2022-11-02 20:36:02,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12348 states, 10228 states have (on average 1.6559444661712945) internal successors, (16937), 10236 states have internal predecessors, (16937), 2086 states have call successors, (2086), 29 states have call predecessors, (2086), 33 states have return successors, (2281), 2084 states have call predecessors, (2281), 2085 states have call successors, (2281) [2022-11-02 20:36:02,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12348 states to 12348 states and 21304 transitions. [2022-11-02 20:36:02,895 INFO L78 Accepts]: Start accepts. Automaton has 12348 states and 21304 transitions. Word has length 176 [2022-11-02 20:36:02,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:36:02,895 INFO L495 AbstractCegarLoop]: Abstraction has 12348 states and 21304 transitions. [2022-11-02 20:36:02,895 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.714285714285714) internal successors, (110), 3 states have internal predecessors, (110), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-02 20:36:02,896 INFO L276 IsEmpty]: Start isEmpty. Operand 12348 states and 21304 transitions. [2022-11-02 20:36:02,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2022-11-02 20:36:02,943 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:36:02,944 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:36:02,944 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-02 20:36:02,944 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:36:02,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:36:02,945 INFO L85 PathProgramCache]: Analyzing trace with hash 362107280, now seen corresponding path program 1 times [2022-11-02 20:36:02,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:36:02,945 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066196230] [2022-11-02 20:36:02,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:36:02,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:36:02,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:03,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:36:03,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:03,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-02 20:36:03,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:03,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:36:03,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:03,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 20:36:03,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:03,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-02 20:36:03,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:03,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-02 20:36:03,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:03,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-02 20:36:03,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:03,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-02 20:36:03,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:03,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-02 20:36:03,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:03,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-02 20:36:03,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:03,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-02 20:36:03,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:03,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-02 20:36:03,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:03,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-11-02 20:36:03,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:03,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-11-02 20:36:03,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:03,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-11-02 20:36:03,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:03,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-02 20:36:03,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:03,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:36:03,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:03,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-11-02 20:36:03,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:03,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-02 20:36:03,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:03,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-02 20:36:03,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:03,079 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-11-02 20:36:03,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:36:03,080 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066196230] [2022-11-02 20:36:03,080 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1066196230] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:36:03,080 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:36:03,080 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-02 20:36:03,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831943240] [2022-11-02 20:36:03,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:36:03,081 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-02 20:36:03,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:36:03,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-02 20:36:03,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-02 20:36:03,082 INFO L87 Difference]: Start difference. First operand 12348 states and 21304 transitions. Second operand has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-02 20:36:06,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:36:06,653 INFO L93 Difference]: Finished difference Result 29747 states and 51862 transitions. [2022-11-02 20:36:06,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-02 20:36:06,654 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 177 [2022-11-02 20:36:06,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:36:06,736 INFO L225 Difference]: With dead ends: 29747 [2022-11-02 20:36:06,736 INFO L226 Difference]: Without dead ends: 19512 [2022-11-02 20:36:06,762 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-11-02 20:36:06,762 INFO L413 NwaCegarLoop]: 800 mSDtfsCounter, 1671 mSDsluCounter, 745 mSDsCounter, 0 mSdLazyCounter, 1380 mSolverCounterSat, 770 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1690 SdHoareTripleChecker+Valid, 1545 SdHoareTripleChecker+Invalid, 2150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 770 IncrementalHoareTripleChecker+Valid, 1380 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-11-02 20:36:06,763 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1690 Valid, 1545 Invalid, 2150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [770 Valid, 1380 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-11-02 20:36:06,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19512 states. [2022-11-02 20:36:08,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19512 to 19301. [2022-11-02 20:36:08,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19301 states, 15978 states have (on average 1.6321817499061209) internal successors, (26079), 15986 states have internal predecessors, (26079), 3289 states have call successors, (3289), 29 states have call predecessors, (3289), 33 states have return successors, (3628), 3287 states have call predecessors, (3628), 3288 states have call successors, (3628) [2022-11-02 20:36:08,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19301 states to 19301 states and 32996 transitions. [2022-11-02 20:36:08,363 INFO L78 Accepts]: Start accepts. Automaton has 19301 states and 32996 transitions. Word has length 177 [2022-11-02 20:36:08,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:36:08,364 INFO L495 AbstractCegarLoop]: Abstraction has 19301 states and 32996 transitions. [2022-11-02 20:36:08,364 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-02 20:36:08,364 INFO L276 IsEmpty]: Start isEmpty. Operand 19301 states and 32996 transitions. [2022-11-02 20:36:08,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2022-11-02 20:36:08,444 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:36:08,444 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:36:08,444 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-02 20:36:08,444 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:36:08,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:36:08,445 INFO L85 PathProgramCache]: Analyzing trace with hash 1391683992, now seen corresponding path program 1 times [2022-11-02 20:36:08,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:36:08,445 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047435432] [2022-11-02 20:36:08,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:36:08,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:36:08,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:08,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:36:08,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:08,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-02 20:36:08,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:08,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:36:08,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:08,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 20:36:08,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:08,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-02 20:36:08,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:08,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-02 20:36:08,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:08,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-02 20:36:08,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:08,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-02 20:36:08,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:08,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-02 20:36:08,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:08,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-02 20:36:08,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:08,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-02 20:36:08,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:08,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-02 20:36:08,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:08,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-02 20:36:08,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:08,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-02 20:36:08,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:08,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-02 20:36:08,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:08,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-02 20:36:08,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:08,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-02 20:36:08,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:08,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-11-02 20:36:08,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:08,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-11-02 20:36:08,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:08,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:36:08,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:08,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-11-02 20:36:08,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:08,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-11-02 20:36:08,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:08,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-11-02 20:36:08,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:08,663 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-11-02 20:36:08,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:36:08,664 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047435432] [2022-11-02 20:36:08,664 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1047435432] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:36:08,664 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:36:08,665 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-02 20:36:08,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550374701] [2022-11-02 20:36:08,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:36:08,666 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-02 20:36:08,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:36:08,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-02 20:36:08,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-02 20:36:08,668 INFO L87 Difference]: Start difference. First operand 19301 states and 32996 transitions. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 3 states have internal predecessors, (119), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-02 20:36:13,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:36:13,316 INFO L93 Difference]: Finished difference Result 51179 states and 88982 transitions. [2022-11-02 20:36:13,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-02 20:36:13,317 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 3 states have internal predecessors, (119), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 197 [2022-11-02 20:36:13,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:36:13,469 INFO L225 Difference]: With dead ends: 51179 [2022-11-02 20:36:13,469 INFO L226 Difference]: Without dead ends: 34633 [2022-11-02 20:36:13,519 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-11-02 20:36:13,520 INFO L413 NwaCegarLoop]: 771 mSDtfsCounter, 1746 mSDsluCounter, 771 mSDsCounter, 0 mSdLazyCounter, 1349 mSolverCounterSat, 809 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1764 SdHoareTripleChecker+Valid, 1542 SdHoareTripleChecker+Invalid, 2158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 809 IncrementalHoareTripleChecker+Valid, 1349 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-11-02 20:36:13,520 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1764 Valid, 1542 Invalid, 2158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [809 Valid, 1349 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-11-02 20:36:13,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34633 states. [2022-11-02 20:36:16,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34633 to 34422. [2022-11-02 20:36:16,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34422 states, 28649 states have (on average 1.6294460539634892) internal successors, (46682), 28657 states have internal predecessors, (46682), 5739 states have call successors, (5739), 29 states have call predecessors, (5739), 33 states have return successors, (6352), 5737 states have call predecessors, (6352), 5738 states have call successors, (6352) [2022-11-02 20:36:17,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34422 states to 34422 states and 58773 transitions. [2022-11-02 20:36:17,026 INFO L78 Accepts]: Start accepts. Automaton has 34422 states and 58773 transitions. Word has length 197 [2022-11-02 20:36:17,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:36:17,029 INFO L495 AbstractCegarLoop]: Abstraction has 34422 states and 58773 transitions. [2022-11-02 20:36:17,029 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 3 states have internal predecessors, (119), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-02 20:36:17,029 INFO L276 IsEmpty]: Start isEmpty. Operand 34422 states and 58773 transitions. [2022-11-02 20:36:17,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2022-11-02 20:36:17,121 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:36:17,121 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:36:17,121 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-02 20:36:17,122 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:36:17,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:36:17,122 INFO L85 PathProgramCache]: Analyzing trace with hash 809251785, now seen corresponding path program 1 times [2022-11-02 20:36:17,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:36:17,122 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214174130] [2022-11-02 20:36:17,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:36:17,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:36:17,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:17,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:36:17,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:17,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-02 20:36:17,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:17,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:36:17,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:17,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 20:36:17,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:17,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-02 20:36:17,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:17,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-02 20:36:17,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:17,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-11-02 20:36:17,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:17,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-02 20:36:17,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:17,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-02 20:36:17,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:17,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-02 20:36:17,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:17,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-02 20:36:17,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:17,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-11-02 20:36:17,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:17,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-11-02 20:36:17,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:17,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-11-02 20:36:17,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:17,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-11-02 20:36:17,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:17,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-11-02 20:36:17,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:17,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-11-02 20:36:17,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:17,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-11-02 20:36:17,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:17,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-02 20:36:17,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:17,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:36:17,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:17,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-11-02 20:36:17,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:17,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-11-02 20:36:17,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:17,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-11-02 20:36:17,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:17,278 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-11-02 20:36:17,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:36:17,278 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214174130] [2022-11-02 20:36:17,278 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1214174130] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:36:17,279 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:36:17,279 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-02 20:36:17,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102802520] [2022-11-02 20:36:17,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:36:17,280 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-02 20:36:17,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:36:17,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-02 20:36:17,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-02 20:36:17,281 INFO L87 Difference]: Start difference. First operand 34422 states and 58773 transitions. Second operand has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 3 states have internal predecessors, (120), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-02 20:36:23,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:36:23,527 INFO L93 Difference]: Finished difference Result 94051 states and 162776 transitions. [2022-11-02 20:36:23,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-02 20:36:23,528 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 3 states have internal predecessors, (120), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 198 [2022-11-02 20:36:23,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:36:23,753 INFO L225 Difference]: With dead ends: 94051 [2022-11-02 20:36:23,753 INFO L226 Difference]: Without dead ends: 63300 [2022-11-02 20:36:23,830 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-11-02 20:36:23,831 INFO L413 NwaCegarLoop]: 781 mSDtfsCounter, 1690 mSDsluCounter, 775 mSDsCounter, 0 mSdLazyCounter, 1367 mSolverCounterSat, 778 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1709 SdHoareTripleChecker+Valid, 1556 SdHoareTripleChecker+Invalid, 2145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 778 IncrementalHoareTripleChecker+Valid, 1367 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-11-02 20:36:23,831 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1709 Valid, 1556 Invalid, 2145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [778 Valid, 1367 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-11-02 20:36:23,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63300 states. [2022-11-02 20:36:29,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63300 to 63089. [2022-11-02 20:36:29,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63089 states, 52803 states have (on average 1.6255326401908983) internal successors, (85833), 52811 states have internal predecessors, (85833), 10252 states have call successors, (10252), 29 states have call predecessors, (10252), 33 states have return successors, (11397), 10250 states have call predecessors, (11397), 10251 states have call successors, (11397) [2022-11-02 20:36:29,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63089 states to 63089 states and 107482 transitions. [2022-11-02 20:36:29,365 INFO L78 Accepts]: Start accepts. Automaton has 63089 states and 107482 transitions. Word has length 198 [2022-11-02 20:36:29,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:36:29,366 INFO L495 AbstractCegarLoop]: Abstraction has 63089 states and 107482 transitions. [2022-11-02 20:36:29,366 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 3 states have internal predecessors, (120), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-02 20:36:29,366 INFO L276 IsEmpty]: Start isEmpty. Operand 63089 states and 107482 transitions. [2022-11-02 20:36:29,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-11-02 20:36:29,486 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:36:29,486 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:36:29,486 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-02 20:36:29,486 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:36:29,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:36:29,487 INFO L85 PathProgramCache]: Analyzing trace with hash 868498776, now seen corresponding path program 1 times [2022-11-02 20:36:29,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:36:29,487 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547524056] [2022-11-02 20:36:29,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:36:29,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:36:29,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:29,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:36:29,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:29,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-02 20:36:29,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:29,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:36:29,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:29,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 20:36:29,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:29,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-02 20:36:29,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:29,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-02 20:36:29,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:29,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-02 20:36:29,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:29,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-02 20:36:29,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:29,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-02 20:36:29,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:29,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-02 20:36:29,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:29,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-11-02 20:36:29,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:29,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-11-02 20:36:29,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:29,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-11-02 20:36:29,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:29,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-02 20:36:29,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:29,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-11-02 20:36:29,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:29,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-11-02 20:36:29,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:29,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-11-02 20:36:29,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:29,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-11-02 20:36:29,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:29,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-11-02 20:36:29,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:29,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:36:29,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:29,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-02 20:36:29,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:29,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-11-02 20:36:29,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:29,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-02 20:36:29,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:29,656 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-11-02 20:36:29,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:36:29,656 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547524056] [2022-11-02 20:36:29,656 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [547524056] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:36:29,657 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:36:29,657 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-02 20:36:29,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479162234] [2022-11-02 20:36:29,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:36:29,658 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-02 20:36:29,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:36:29,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-02 20:36:29,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-02 20:36:29,659 INFO L87 Difference]: Start difference. First operand 63089 states and 107482 transitions. Second operand has 7 states, 7 states have (on average 17.285714285714285) internal successors, (121), 3 states have internal predecessors, (121), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23)