./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec8_product34.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_465a497f-4b6c-42cd-a401-da36eb9dedf9/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_465a497f-4b6c-42cd-a401-da36eb9dedf9/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_465a497f-4b6c-42cd-a401-da36eb9dedf9/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_465a497f-4b6c-42cd-a401-da36eb9dedf9/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec8_product34.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_465a497f-4b6c-42cd-a401-da36eb9dedf9/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_465a497f-4b6c-42cd-a401-da36eb9dedf9/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9b6f1572bb543b70f7bd76f4bd7f000d1e6bbc46b09feb0ab48e04376b774bb9 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 16:45:45,661 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 16:45:45,662 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 16:45:45,674 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 16:45:45,675 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 16:45:45,675 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 16:45:45,676 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 16:45:45,677 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 16:45:45,678 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 16:45:45,679 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 16:45:45,679 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 16:45:45,680 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 16:45:45,680 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 16:45:45,681 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 16:45:45,681 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 16:45:45,682 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 16:45:45,683 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 16:45:45,683 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 16:45:45,684 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 16:45:45,686 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 16:45:45,686 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 16:45:45,688 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 16:45:45,689 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 16:45:45,690 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 16:45:45,694 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 16:45:45,694 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 16:45:45,694 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 16:45:45,695 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 16:45:45,696 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 16:45:45,696 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 16:45:45,697 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 16:45:45,697 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 16:45:45,698 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 16:45:45,699 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 16:45:45,700 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 16:45:45,700 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 16:45:45,701 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 16:45:45,701 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 16:45:45,701 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 16:45:45,702 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 16:45:45,703 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 16:45:45,704 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_465a497f-4b6c-42cd-a401-da36eb9dedf9/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-12-13 16:45:45,724 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 16:45:45,724 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 16:45:45,724 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 16:45:45,725 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 16:45:45,725 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 16:45:45,725 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 16:45:45,726 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 16:45:45,726 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 16:45:45,726 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 16:45:45,726 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 16:45:45,727 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 16:45:45,727 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 16:45:45,727 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 16:45:45,727 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 16:45:45,727 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 16:45:45,728 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 16:45:45,728 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 16:45:45,728 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 16:45:45,728 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 16:45:45,728 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 16:45:45,728 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 16:45:45,728 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 16:45:45,729 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 16:45:45,729 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 16:45:45,729 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 16:45:45,729 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 16:45:45,729 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 16:45:45,729 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 16:45:45,730 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 16:45:45,730 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 16:45:45,730 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 16:45:45,730 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 16:45:45,730 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 16:45:45,730 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 16:45:45,731 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 16:45:45,731 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_465a497f-4b6c-42cd-a401-da36eb9dedf9/bin/uautomizer-uyxdKDjOR8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_465a497f-4b6c-42cd-a401-da36eb9dedf9/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9b6f1572bb543b70f7bd76f4bd7f000d1e6bbc46b09feb0ab48e04376b774bb9 [2022-12-13 16:45:45,915 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 16:45:45,931 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 16:45:45,933 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 16:45:45,934 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 16:45:45,935 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 16:45:45,936 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_465a497f-4b6c-42cd-a401-da36eb9dedf9/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/product-lines/email_spec8_product34.cil.c [2022-12-13 16:45:48,566 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 16:45:48,832 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 16:45:48,832 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_465a497f-4b6c-42cd-a401-da36eb9dedf9/sv-benchmarks/c/product-lines/email_spec8_product34.cil.c [2022-12-13 16:45:48,845 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_465a497f-4b6c-42cd-a401-da36eb9dedf9/bin/uautomizer-uyxdKDjOR8/data/4d5aa251f/66a06bf002a8496c986ec082f1718eee/FLAG1226f36cb [2022-12-13 16:45:48,857 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_465a497f-4b6c-42cd-a401-da36eb9dedf9/bin/uautomizer-uyxdKDjOR8/data/4d5aa251f/66a06bf002a8496c986ec082f1718eee [2022-12-13 16:45:48,859 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 16:45:48,860 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 16:45:48,861 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 16:45:48,861 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 16:45:48,864 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 16:45:48,865 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 04:45:48" (1/1) ... [2022-12-13 16:45:48,866 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@131cff2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:45:48, skipping insertion in model container [2022-12-13 16:45:48,866 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 04:45:48" (1/1) ... [2022-12-13 16:45:48,871 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 16:45:48,912 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 16:45:49,108 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_465a497f-4b6c-42cd-a401-da36eb9dedf9/sv-benchmarks/c/product-lines/email_spec8_product34.cil.c[28285,28298] [2022-12-13 16:45:49,114 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 16:45:49,117 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 16:45:49,169 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 16:45:49,170 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 16:45:49,172 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 16:45:49,192 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 16:45:49,197 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 16:45:49,197 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 16:45:49,199 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 16:45:49,207 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 16:45:49,236 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 16:45:49,245 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 16:45:49,290 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_465a497f-4b6c-42cd-a401-da36eb9dedf9/sv-benchmarks/c/product-lines/email_spec8_product34.cil.c[28285,28298] [2022-12-13 16:45:49,290 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 16:45:49,291 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 16:45:49,312 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 16:45:49,313 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 16:45:49,314 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 16:45:49,325 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 16:45:49,327 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 16:45:49,327 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 16:45:49,328 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 16:45:49,333 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 16:45:49,349 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 16:45:49,370 INFO L208 MainTranslator]: Completed translation [2022-12-13 16:45:49,371 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:45:49 WrapperNode [2022-12-13 16:45:49,371 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 16:45:49,372 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 16:45:49,372 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 16:45:49,372 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 16:45:49,377 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:45:49" (1/1) ... [2022-12-13 16:45:49,395 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:45:49" (1/1) ... [2022-12-13 16:45:49,430 INFO L138 Inliner]: procedures = 135, calls = 242, calls flagged for inlining = 63, calls inlined = 60, statements flattened = 1110 [2022-12-13 16:45:49,431 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 16:45:49,431 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 16:45:49,431 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 16:45:49,431 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 16:45:49,439 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:45:49" (1/1) ... [2022-12-13 16:45:49,440 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:45:49" (1/1) ... [2022-12-13 16:45:49,444 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:45:49" (1/1) ... [2022-12-13 16:45:49,444 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:45:49" (1/1) ... [2022-12-13 16:45:49,457 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:45:49" (1/1) ... [2022-12-13 16:45:49,464 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:45:49" (1/1) ... [2022-12-13 16:45:49,468 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:45:49" (1/1) ... [2022-12-13 16:45:49,471 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:45:49" (1/1) ... [2022-12-13 16:45:49,476 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 16:45:49,477 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 16:45:49,477 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 16:45:49,477 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 16:45:49,478 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:45:49" (1/1) ... [2022-12-13 16:45:49,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 16:45:49,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_465a497f-4b6c-42cd-a401-da36eb9dedf9/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:45:49,508 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_465a497f-4b6c-42cd-a401-da36eb9dedf9/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 16:45:49,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_465a497f-4b6c-42cd-a401-da36eb9dedf9/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 16:45:49,540 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2022-12-13 16:45:49,540 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2022-12-13 16:45:49,540 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2022-12-13 16:45:49,540 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2022-12-13 16:45:49,540 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2022-12-13 16:45:49,540 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2022-12-13 16:45:49,540 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2022-12-13 16:45:49,541 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2022-12-13 16:45:49,541 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2022-12-13 16:45:49,541 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2022-12-13 16:45:49,541 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2022-12-13 16:45:49,541 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2022-12-13 16:45:49,541 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2022-12-13 16:45:49,541 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2022-12-13 16:45:49,542 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2022-12-13 16:45:49,542 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2022-12-13 16:45:49,542 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2022-12-13 16:45:49,542 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2022-12-13 16:45:49,542 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2022-12-13 16:45:49,542 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2022-12-13 16:45:49,543 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2022-12-13 16:45:49,543 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2022-12-13 16:45:49,543 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2022-12-13 16:45:49,543 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2022-12-13 16:45:49,543 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2022-12-13 16:45:49,543 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2022-12-13 16:45:49,543 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2022-12-13 16:45:49,543 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2022-12-13 16:45:49,543 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2022-12-13 16:45:49,544 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 16:45:49,544 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2022-12-13 16:45:49,544 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2022-12-13 16:45:49,544 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2022-12-13 16:45:49,544 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2022-12-13 16:45:49,544 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2022-12-13 16:45:49,544 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2022-12-13 16:45:49,544 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2022-12-13 16:45:49,545 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2022-12-13 16:45:49,545 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2022-12-13 16:45:49,545 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2022-12-13 16:45:49,545 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2022-12-13 16:45:49,545 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2022-12-13 16:45:49,545 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2022-12-13 16:45:49,545 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2022-12-13 16:45:49,545 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2022-12-13 16:45:49,545 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2022-12-13 16:45:49,545 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2022-12-13 16:45:49,546 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2022-12-13 16:45:49,546 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2022-12-13 16:45:49,546 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2022-12-13 16:45:49,546 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2022-12-13 16:45:49,546 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2022-12-13 16:45:49,546 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2022-12-13 16:45:49,546 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2022-12-13 16:45:49,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 16:45:49,546 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2022-12-13 16:45:49,546 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2022-12-13 16:45:49,546 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2022-12-13 16:45:49,547 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2022-12-13 16:45:49,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 16:45:49,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 16:45:49,717 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 16:45:49,719 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 16:45:50,383 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 16:45:50,394 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 16:45:50,394 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-13 16:45:50,397 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:45:50 BoogieIcfgContainer [2022-12-13 16:45:50,397 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 16:45:50,399 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 16:45:50,400 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 16:45:50,402 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 16:45:50,402 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 04:45:48" (1/3) ... [2022-12-13 16:45:50,403 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40cfd435 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 04:45:50, skipping insertion in model container [2022-12-13 16:45:50,403 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:45:49" (2/3) ... [2022-12-13 16:45:50,403 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40cfd435 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 04:45:50, skipping insertion in model container [2022-12-13 16:45:50,403 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:45:50" (3/3) ... [2022-12-13 16:45:50,405 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec8_product34.cil.c [2022-12-13 16:45:50,420 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 16:45:50,420 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 16:45:50,474 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 16:45:50,480 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;@5eb7df6c, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 16:45:50,480 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 16:45:50,485 INFO L276 IsEmpty]: Start isEmpty. Operand has 448 states, 347 states have (on average 1.5360230547550433) internal successors, (533), 352 states have internal predecessors, (533), 71 states have call successors, (71), 28 states have call predecessors, (71), 28 states have return successors, (71), 70 states have call predecessors, (71), 71 states have call successors, (71) [2022-12-13 16:45:50,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-12-13 16:45:50,503 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:45:50,504 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:45:50,504 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 16:45:50,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:45:50,509 INFO L85 PathProgramCache]: Analyzing trace with hash -1401609271, now seen corresponding path program 1 times [2022-12-13 16:45:50,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:45:50,516 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772000851] [2022-12-13 16:45:50,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:45:50,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:45:50,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:51,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:45:51,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:51,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 16:45:51,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:51,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 16:45:51,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:51,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-12-13 16:45:51,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:51,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-12-13 16:45:51,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:51,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 16:45:51,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:51,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 16:45:51,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:51,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 16:45:51,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:51,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-12-13 16:45:51,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:51,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 16:45:51,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:51,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 16:45:51,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:51,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-12-13 16:45:51,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:51,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-12-13 16:45:51,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:51,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 16:45:51,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:51,110 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-12-13 16:45:51,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:45:51,110 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772000851] [2022-12-13 16:45:51,111 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [772000851] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 16:45:51,111 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1581816836] [2022-12-13 16:45:51,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:45:51,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 16:45:51,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_465a497f-4b6c-42cd-a401-da36eb9dedf9/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:45:51,113 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_465a497f-4b6c-42cd-a401-da36eb9dedf9/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 16:45:51,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_465a497f-4b6c-42cd-a401-da36eb9dedf9/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 16:45:51,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:51,361 INFO L263 TraceCheckSpWp]: Trace formula consists of 1157 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-13 16:45:51,366 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:45:51,382 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-12-13 16:45:51,382 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 16:45:51,383 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1581816836] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:45:51,383 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 16:45:51,383 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 9 [2022-12-13 16:45:51,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199343446] [2022-12-13 16:45:51,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:45:51,388 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 16:45:51,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:45:51,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 16:45:51,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-12-13 16:45:51,413 INFO L87 Difference]: Start difference. First operand has 448 states, 347 states have (on average 1.5360230547550433) internal successors, (533), 352 states have internal predecessors, (533), 71 states have call successors, (71), 28 states have call predecessors, (71), 28 states have return successors, (71), 70 states have call predecessors, (71), 71 states have call successors, (71) Second operand has 2 states, 2 states have (on average 32.0) internal successors, (64), 2 states have internal predecessors, (64), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-13 16:45:51,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:45:51,463 INFO L93 Difference]: Finished difference Result 703 states and 1040 transitions. [2022-12-13 16:45:51,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 16:45:51,465 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 32.0) internal successors, (64), 2 states have internal predecessors, (64), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 110 [2022-12-13 16:45:51,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:45:51,477 INFO L225 Difference]: With dead ends: 703 [2022-12-13 16:45:51,477 INFO L226 Difference]: Without dead ends: 441 [2022-12-13 16:45:51,481 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-12-13 16:45:51,483 INFO L413 NwaCegarLoop]: 671 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, 671 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 16:45:51,484 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 671 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 16:45:51,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2022-12-13 16:45:51,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 441. [2022-12-13 16:45:51,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 441 states, 341 states have (on average 1.530791788856305) internal successors, (522), 345 states have internal predecessors, (522), 71 states have call successors, (71), 28 states have call predecessors, (71), 28 states have return successors, (70), 69 states have call predecessors, (70), 70 states have call successors, (70) [2022-12-13 16:45:51,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 663 transitions. [2022-12-13 16:45:51,535 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 663 transitions. Word has length 110 [2022-12-13 16:45:51,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:45:51,536 INFO L495 AbstractCegarLoop]: Abstraction has 441 states and 663 transitions. [2022-12-13 16:45:51,536 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 32.0) internal successors, (64), 2 states have internal predecessors, (64), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-13 16:45:51,536 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 663 transitions. [2022-12-13 16:45:51,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-12-13 16:45:51,539 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:45:51,539 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:45:51,548 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_465a497f-4b6c-42cd-a401-da36eb9dedf9/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-13 16:45:51,740 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_465a497f-4b6c-42cd-a401-da36eb9dedf9/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 16:45:51,740 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 16:45:51,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:45:51,741 INFO L85 PathProgramCache]: Analyzing trace with hash -1511627835, now seen corresponding path program 1 times [2022-12-13 16:45:51,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:45:51,741 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057602750] [2022-12-13 16:45:51,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:45:51,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:45:51,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:51,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:45:51,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:51,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 16:45:51,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:51,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 16:45:51,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:51,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-12-13 16:45:51,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:51,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-12-13 16:45:51,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:51,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 16:45:51,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:51,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-12-13 16:45:51,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:51,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-12-13 16:45:51,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:51,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-12-13 16:45:51,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:51,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-12-13 16:45:51,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:51,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-12-13 16:45:51,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:51,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-12-13 16:45:51,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:51,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-12-13 16:45:51,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:51,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-12-13 16:45:51,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:51,984 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-12-13 16:45:51,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:45:51,984 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2057602750] [2022-12-13 16:45:51,984 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2057602750] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 16:45:51,984 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [156845046] [2022-12-13 16:45:51,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:45:51,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 16:45:51,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_465a497f-4b6c-42cd-a401-da36eb9dedf9/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:45:51,985 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_465a497f-4b6c-42cd-a401-da36eb9dedf9/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 16:45:51,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_465a497f-4b6c-42cd-a401-da36eb9dedf9/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-13 16:45:52,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:52,233 INFO L263 TraceCheckSpWp]: Trace formula consists of 1158 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 16:45:52,237 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:45:52,260 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-12-13 16:45:52,260 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 16:45:52,260 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [156845046] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:45:52,260 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 16:45:52,261 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2022-12-13 16:45:52,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473036276] [2022-12-13 16:45:52,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:45:52,261 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 16:45:52,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:45:52,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 16:45:52,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-12-13 16:45:52,262 INFO L87 Difference]: Start difference. First operand 441 states and 663 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-13 16:45:52,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:45:52,297 INFO L93 Difference]: Finished difference Result 693 states and 1018 transitions. [2022-12-13 16:45:52,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 16:45:52,297 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 111 [2022-12-13 16:45:52,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:45:52,300 INFO L225 Difference]: With dead ends: 693 [2022-12-13 16:45:52,300 INFO L226 Difference]: Without dead ends: 444 [2022-12-13 16:45:52,301 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-12-13 16:45:52,302 INFO L413 NwaCegarLoop]: 661 mSDtfsCounter, 1 mSDsluCounter, 659 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1320 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 16:45:52,302 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1320 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 16:45:52,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 444 states. [2022-12-13 16:45:52,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 444 to 443. [2022-12-13 16:45:52,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 443 states, 343 states have (on average 1.5276967930029155) internal successors, (524), 347 states have internal predecessors, (524), 71 states have call successors, (71), 28 states have call predecessors, (71), 28 states have return successors, (70), 69 states have call predecessors, (70), 70 states have call successors, (70) [2022-12-13 16:45:52,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 665 transitions. [2022-12-13 16:45:52,320 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 665 transitions. Word has length 111 [2022-12-13 16:45:52,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:45:52,321 INFO L495 AbstractCegarLoop]: Abstraction has 443 states and 665 transitions. [2022-12-13 16:45:52,321 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-13 16:45:52,321 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 665 transitions. [2022-12-13 16:45:52,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-12-13 16:45:52,323 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:45:52,323 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:45:52,329 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_465a497f-4b6c-42cd-a401-da36eb9dedf9/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-13 16:45:52,524 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_465a497f-4b6c-42cd-a401-da36eb9dedf9/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 16:45:52,525 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 16:45:52,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:45:52,526 INFO L85 PathProgramCache]: Analyzing trace with hash 843354108, now seen corresponding path program 1 times [2022-12-13 16:45:52,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:45:52,526 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52206914] [2022-12-13 16:45:52,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:45:52,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:45:52,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:52,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:45:52,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:52,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 16:45:52,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:52,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 16:45:52,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:52,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-12-13 16:45:52,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:52,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-12-13 16:45:52,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:52,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 16:45:52,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:52,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-12-13 16:45:52,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:52,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-12-13 16:45:52,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:52,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-12-13 16:45:52,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:52,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-12-13 16:45:52,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:52,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-12-13 16:45:52,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:52,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 16:45:52,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:52,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 16:45:52,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:52,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-12-13 16:45:52,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:52,843 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-13 16:45:52,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:45:52,844 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52206914] [2022-12-13 16:45:52,844 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [52206914] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 16:45:52,844 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [139195441] [2022-12-13 16:45:52,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:45:52,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 16:45:52,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_465a497f-4b6c-42cd-a401-da36eb9dedf9/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:45:52,845 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_465a497f-4b6c-42cd-a401-da36eb9dedf9/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 16:45:52,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_465a497f-4b6c-42cd-a401-da36eb9dedf9/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-13 16:45:53,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:53,054 INFO L263 TraceCheckSpWp]: Trace formula consists of 1172 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 16:45:53,058 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:45:53,079 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-12-13 16:45:53,079 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 16:45:53,079 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [139195441] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:45:53,079 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 16:45:53,079 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2022-12-13 16:45:53,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129783614] [2022-12-13 16:45:53,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:45:53,080 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 16:45:53,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:45:53,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 16:45:53,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-12-13 16:45:53,081 INFO L87 Difference]: Start difference. First operand 443 states and 665 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-13 16:45:53,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:45:53,116 INFO L93 Difference]: Finished difference Result 934 states and 1422 transitions. [2022-12-13 16:45:53,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 16:45:53,117 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 117 [2022-12-13 16:45:53,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:45:53,119 INFO L225 Difference]: With dead ends: 934 [2022-12-13 16:45:53,119 INFO L226 Difference]: Without dead ends: 518 [2022-12-13 16:45:53,121 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-12-13 16:45:53,121 INFO L413 NwaCegarLoop]: 690 mSDtfsCounter, 134 mSDsluCounter, 616 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 1306 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 16:45:53,122 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 1306 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 16:45:53,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 518 states. [2022-12-13 16:45:53,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 518 to 510. [2022-12-13 16:45:53,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 510 states, 396 states have (on average 1.547979797979798) internal successors, (613), 400 states have internal predecessors, (613), 85 states have call successors, (85), 28 states have call predecessors, (85), 28 states have return successors, (84), 83 states have call predecessors, (84), 84 states have call successors, (84) [2022-12-13 16:45:53,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 510 states and 782 transitions. [2022-12-13 16:45:53,140 INFO L78 Accepts]: Start accepts. Automaton has 510 states and 782 transitions. Word has length 117 [2022-12-13 16:45:53,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:45:53,140 INFO L495 AbstractCegarLoop]: Abstraction has 510 states and 782 transitions. [2022-12-13 16:45:53,140 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-13 16:45:53,140 INFO L276 IsEmpty]: Start isEmpty. Operand 510 states and 782 transitions. [2022-12-13 16:45:53,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-12-13 16:45:53,142 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:45:53,142 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:45:53,149 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_465a497f-4b6c-42cd-a401-da36eb9dedf9/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-13 16:45:53,342 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_465a497f-4b6c-42cd-a401-da36eb9dedf9/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-12-13 16:45:53,343 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 16:45:53,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:45:53,343 INFO L85 PathProgramCache]: Analyzing trace with hash -2031116616, now seen corresponding path program 1 times [2022-12-13 16:45:53,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:45:53,343 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422508538] [2022-12-13 16:45:53,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:45:53,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:45:53,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:53,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:45:53,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:53,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 16:45:53,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:53,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 16:45:53,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:53,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-12-13 16:45:53,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:53,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-12-13 16:45:53,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:53,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 16:45:53,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:53,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-12-13 16:45:53,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:53,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-12-13 16:45:53,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:53,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 16:45:53,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:53,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-12-13 16:45:53,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:53,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-12-13 16:45:53,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:53,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-12-13 16:45:53,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:53,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-12-13 16:45:53,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:53,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-12-13 16:45:53,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:53,521 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-13 16:45:53,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:45:53,521 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [422508538] [2022-12-13 16:45:53,521 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [422508538] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 16:45:53,521 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [303028993] [2022-12-13 16:45:53,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:45:53,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 16:45:53,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_465a497f-4b6c-42cd-a401-da36eb9dedf9/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:45:53,522 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_465a497f-4b6c-42cd-a401-da36eb9dedf9/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 16:45:53,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_465a497f-4b6c-42cd-a401-da36eb9dedf9/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-13 16:45:53,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:53,719 INFO L263 TraceCheckSpWp]: Trace formula consists of 1179 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-13 16:45:53,722 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:45:53,782 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-12-13 16:45:53,782 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 16:45:53,782 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [303028993] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:45:53,782 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 16:45:53,782 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2022-12-13 16:45:53,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268727565] [2022-12-13 16:45:53,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:45:53,783 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 16:45:53,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:45:53,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 16:45:53,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-12-13 16:45:53,784 INFO L87 Difference]: Start difference. First operand 510 states and 782 transitions. Second operand has 5 states, 4 states have (on average 20.0) internal successors, (80), 5 states have internal predecessors, (80), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2022-12-13 16:45:53,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:45:53,849 INFO L93 Difference]: Finished difference Result 1011 states and 1554 transitions. [2022-12-13 16:45:53,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 16:45:53,849 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 20.0) internal successors, (80), 5 states have internal predecessors, (80), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) Word has length 118 [2022-12-13 16:45:53,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:45:53,854 INFO L225 Difference]: With dead ends: 1011 [2022-12-13 16:45:53,854 INFO L226 Difference]: Without dead ends: 512 [2022-12-13 16:45:53,856 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2022-12-13 16:45:53,857 INFO L413 NwaCegarLoop]: 654 mSDtfsCounter, 152 mSDsluCounter, 1787 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 2441 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 16:45:53,858 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 2441 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 16:45:53,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 512 states. [2022-12-13 16:45:53,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 512 to 512. [2022-12-13 16:45:53,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 512 states, 397 states have (on average 1.5465994962216625) internal successors, (614), 402 states have internal predecessors, (614), 85 states have call successors, (85), 28 states have call predecessors, (85), 29 states have return successors, (86), 83 states have call predecessors, (86), 84 states have call successors, (86) [2022-12-13 16:45:53,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 512 states and 785 transitions. [2022-12-13 16:45:53,875 INFO L78 Accepts]: Start accepts. Automaton has 512 states and 785 transitions. Word has length 118 [2022-12-13 16:45:53,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:45:53,876 INFO L495 AbstractCegarLoop]: Abstraction has 512 states and 785 transitions. [2022-12-13 16:45:53,876 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.0) internal successors, (80), 5 states have internal predecessors, (80), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2022-12-13 16:45:53,876 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 785 transitions. [2022-12-13 16:45:53,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-12-13 16:45:53,878 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:45:53,878 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:45:53,884 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_465a497f-4b6c-42cd-a401-da36eb9dedf9/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-13 16:45:54,078 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_465a497f-4b6c-42cd-a401-da36eb9dedf9/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 16:45:54,079 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 16:45:54,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:45:54,079 INFO L85 PathProgramCache]: Analyzing trace with hash -1440532084, now seen corresponding path program 1 times [2022-12-13 16:45:54,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:45:54,080 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983499324] [2022-12-13 16:45:54,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:45:54,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:45:54,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:54,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:45:54,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:54,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 16:45:54,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:54,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 16:45:54,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:54,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 16:45:54,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:54,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-12-13 16:45:54,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:54,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-12-13 16:45:54,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:54,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-12-13 16:45:54,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:54,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-12-13 16:45:54,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:54,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-12-13 16:45:54,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:54,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 16:45:54,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:54,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-12-13 16:45:54,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:54,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-12-13 16:45:54,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:54,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-12-13 16:45:54,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:54,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-12-13 16:45:54,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:54,300 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-12-13 16:45:54,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:45:54,300 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [983499324] [2022-12-13 16:45:54,300 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [983499324] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 16:45:54,300 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [754447040] [2022-12-13 16:45:54,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:45:54,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 16:45:54,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_465a497f-4b6c-42cd-a401-da36eb9dedf9/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:45:54,301 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_465a497f-4b6c-42cd-a401-da36eb9dedf9/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 16:45:54,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_465a497f-4b6c-42cd-a401-da36eb9dedf9/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-13 16:45:54,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:54,488 INFO L263 TraceCheckSpWp]: Trace formula consists of 1180 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-13 16:45:54,492 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:45:54,532 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-12-13 16:45:54,532 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 16:45:54,532 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [754447040] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:45:54,532 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 16:45:54,532 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2022-12-13 16:45:54,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038355657] [2022-12-13 16:45:54,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:45:54,533 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 16:45:54,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:45:54,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 16:45:54,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2022-12-13 16:45:54,534 INFO L87 Difference]: Start difference. First operand 512 states and 785 transitions. Second operand has 5 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-12-13 16:45:54,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:45:54,607 INFO L93 Difference]: Finished difference Result 1013 states and 1559 transitions. [2022-12-13 16:45:54,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 16:45:54,608 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 119 [2022-12-13 16:45:54,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:45:54,611 INFO L225 Difference]: With dead ends: 1013 [2022-12-13 16:45:54,611 INFO L226 Difference]: Without dead ends: 514 [2022-12-13 16:45:54,613 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2022-12-13 16:45:54,614 INFO L413 NwaCegarLoop]: 652 mSDtfsCounter, 151 mSDsluCounter, 1778 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 2430 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 16:45:54,614 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [174 Valid, 2430 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 16:45:54,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 514 states. [2022-12-13 16:45:54,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 514 to 514. [2022-12-13 16:45:54,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 514 states, 398 states have (on average 1.5452261306532664) internal successors, (615), 404 states have internal predecessors, (615), 85 states have call successors, (85), 28 states have call predecessors, (85), 30 states have return successors, (91), 83 states have call predecessors, (91), 84 states have call successors, (91) [2022-12-13 16:45:54,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 514 states and 791 transitions. [2022-12-13 16:45:54,648 INFO L78 Accepts]: Start accepts. Automaton has 514 states and 791 transitions. Word has length 119 [2022-12-13 16:45:54,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:45:54,648 INFO L495 AbstractCegarLoop]: Abstraction has 514 states and 791 transitions. [2022-12-13 16:45:54,648 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-12-13 16:45:54,648 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 791 transitions. [2022-12-13 16:45:54,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-12-13 16:45:54,651 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:45:54,651 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:45:54,657 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_465a497f-4b6c-42cd-a401-da36eb9dedf9/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-12-13 16:45:54,852 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_465a497f-4b6c-42cd-a401-da36eb9dedf9/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 16:45:54,852 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 16:45:54,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:45:54,853 INFO L85 PathProgramCache]: Analyzing trace with hash 1239817995, now seen corresponding path program 1 times [2022-12-13 16:45:54,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:45:54,853 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229420949] [2022-12-13 16:45:54,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:45:54,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:45:54,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:55,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:45:55,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:55,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 16:45:55,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:55,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 16:45:55,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:55,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 16:45:55,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:55,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 16:45:55,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:55,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-12-13 16:45:55,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:55,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-12-13 16:45:55,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:55,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-12-13 16:45:55,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:55,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-12-13 16:45:55,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:55,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-12-13 16:45:55,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:55,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-12-13 16:45:55,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:55,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-12-13 16:45:55,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:55,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-12-13 16:45:55,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:55,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-12-13 16:45:55,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:55,064 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-13 16:45:55,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:45:55,064 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229420949] [2022-12-13 16:45:55,064 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [229420949] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:45:55,064 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:45:55,064 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-13 16:45:55,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313794728] [2022-12-13 16:45:55,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:45:55,065 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 16:45:55,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:45:55,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 16:45:55,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-12-13 16:45:55,066 INFO L87 Difference]: Start difference. First operand 514 states and 791 transitions. Second operand has 9 states, 8 states have (on average 9.75) internal successors, (78), 5 states have internal predecessors, (78), 3 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2022-12-13 16:45:57,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:45:57,183 INFO L93 Difference]: Finished difference Result 1210 states and 1878 transitions. [2022-12-13 16:45:57,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-13 16:45:57,183 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 9.75) internal successors, (78), 5 states have internal predecessors, (78), 3 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) Word has length 120 [2022-12-13 16:45:57,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:45:57,187 INFO L225 Difference]: With dead ends: 1210 [2022-12-13 16:45:57,187 INFO L226 Difference]: Without dead ends: 719 [2022-12-13 16:45:57,188 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2022-12-13 16:45:57,189 INFO L413 NwaCegarLoop]: 206 mSDtfsCounter, 1865 mSDsluCounter, 985 mSDsCounter, 0 mSdLazyCounter, 2985 mSolverCounterSat, 746 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1887 SdHoareTripleChecker+Valid, 1191 SdHoareTripleChecker+Invalid, 3731 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 746 IncrementalHoareTripleChecker+Valid, 2985 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-12-13 16:45:57,189 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1887 Valid, 1191 Invalid, 3731 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [746 Valid, 2985 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-12-13 16:45:57,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 719 states. [2022-12-13 16:45:57,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 719 to 514. [2022-12-13 16:45:57,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 514 states, 398 states have (on average 1.5452261306532664) internal successors, (615), 404 states have internal predecessors, (615), 85 states have call successors, (85), 28 states have call predecessors, (85), 30 states have return successors, (90), 83 states have call predecessors, (90), 84 states have call successors, (90) [2022-12-13 16:45:57,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 514 states and 790 transitions. [2022-12-13 16:45:57,229 INFO L78 Accepts]: Start accepts. Automaton has 514 states and 790 transitions. Word has length 120 [2022-12-13 16:45:57,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:45:57,229 INFO L495 AbstractCegarLoop]: Abstraction has 514 states and 790 transitions. [2022-12-13 16:45:57,230 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 9.75) internal successors, (78), 5 states have internal predecessors, (78), 3 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2022-12-13 16:45:57,230 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 790 transitions. [2022-12-13 16:45:57,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-12-13 16:45:57,231 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:45:57,231 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:45:57,231 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 16:45:57,232 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 16:45:57,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:45:57,232 INFO L85 PathProgramCache]: Analyzing trace with hash 880428033, now seen corresponding path program 2 times [2022-12-13 16:45:57,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:45:57,232 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656719971] [2022-12-13 16:45:57,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:45:57,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:45:57,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:57,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:45:57,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:57,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 16:45:57,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:57,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 16:45:57,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:57,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 16:45:57,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:57,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 16:45:57,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:57,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-12-13 16:45:57,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:57,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 16:45:57,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:57,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-12-13 16:45:57,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:57,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-12-13 16:45:57,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:57,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 16:45:57,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:57,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-12-13 16:45:57,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:57,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-12-13 16:45:57,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:57,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-12-13 16:45:57,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:57,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 16:45:57,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:57,373 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-13 16:45:57,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:45:57,373 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1656719971] [2022-12-13 16:45:57,374 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1656719971] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:45:57,374 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:45:57,374 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-13 16:45:57,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152459187] [2022-12-13 16:45:57,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:45:57,374 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 16:45:57,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:45:57,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 16:45:57,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-12-13 16:45:57,375 INFO L87 Difference]: Start difference. First operand 514 states and 790 transitions. Second operand has 9 states, 8 states have (on average 9.875) internal successors, (79), 5 states have internal predecessors, (79), 3 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2022-12-13 16:45:59,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:45:59,121 INFO L93 Difference]: Finished difference Result 1212 states and 1881 transitions. [2022-12-13 16:45:59,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-13 16:45:59,122 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 9.875) internal successors, (79), 5 states have internal predecessors, (79), 3 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) Word has length 121 [2022-12-13 16:45:59,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:45:59,125 INFO L225 Difference]: With dead ends: 1212 [2022-12-13 16:45:59,125 INFO L226 Difference]: Without dead ends: 721 [2022-12-13 16:45:59,127 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2022-12-13 16:45:59,127 INFO L413 NwaCegarLoop]: 206 mSDtfsCounter, 1817 mSDsluCounter, 985 mSDsCounter, 0 mSdLazyCounter, 3058 mSolverCounterSat, 738 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1838 SdHoareTripleChecker+Valid, 1191 SdHoareTripleChecker+Invalid, 3796 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 738 IncrementalHoareTripleChecker+Valid, 3058 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-12-13 16:45:59,128 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1838 Valid, 1191 Invalid, 3796 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [738 Valid, 3058 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-12-13 16:45:59,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 721 states. [2022-12-13 16:45:59,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 721 to 516. [2022-12-13 16:45:59,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 516 states, 399 states have (on average 1.543859649122807) internal successors, (616), 406 states have internal predecessors, (616), 85 states have call successors, (85), 28 states have call predecessors, (85), 31 states have return successors, (92), 83 states have call predecessors, (92), 84 states have call successors, (92) [2022-12-13 16:45:59,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 516 states and 793 transitions. [2022-12-13 16:45:59,158 INFO L78 Accepts]: Start accepts. Automaton has 516 states and 793 transitions. Word has length 121 [2022-12-13 16:45:59,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:45:59,158 INFO L495 AbstractCegarLoop]: Abstraction has 516 states and 793 transitions. [2022-12-13 16:45:59,158 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 9.875) internal successors, (79), 5 states have internal predecessors, (79), 3 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2022-12-13 16:45:59,159 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states and 793 transitions. [2022-12-13 16:45:59,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-12-13 16:45:59,160 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:45:59,160 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:45:59,160 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 16:45:59,160 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 16:45:59,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:45:59,161 INFO L85 PathProgramCache]: Analyzing trace with hash -124712218, now seen corresponding path program 1 times [2022-12-13 16:45:59,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:45:59,161 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180277338] [2022-12-13 16:45:59,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:45:59,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:45:59,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:59,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:45:59,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:59,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 16:45:59,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:59,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 16:45:59,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:59,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 16:45:59,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:59,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 16:45:59,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:59,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-12-13 16:45:59,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:59,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-12-13 16:45:59,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:59,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-12-13 16:45:59,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:59,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-12-13 16:45:59,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:59,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-12-13 16:45:59,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:59,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-12-13 16:45:59,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:59,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-12-13 16:45:59,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:59,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-12-13 16:45:59,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:59,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 16:45:59,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:59,327 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-12-13 16:45:59,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:45:59,327 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180277338] [2022-12-13 16:45:59,328 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1180277338] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:45:59,328 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:45:59,328 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-12-13 16:45:59,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581567602] [2022-12-13 16:45:59,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:45:59,328 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-13 16:45:59,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:45:59,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-13 16:45:59,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2022-12-13 16:45:59,329 INFO L87 Difference]: Start difference. First operand 516 states and 793 transitions. Second operand has 12 states, 11 states have (on average 7.545454545454546) internal successors, (83), 8 states have internal predecessors, (83), 4 states have call successors, (17), 6 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14) [2022-12-13 16:46:01,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:46:01,808 INFO L93 Difference]: Finished difference Result 1210 states and 1876 transitions. [2022-12-13 16:46:01,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-13 16:46:01,809 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.545454545454546) internal successors, (83), 8 states have internal predecessors, (83), 4 states have call successors, (17), 6 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14) Word has length 122 [2022-12-13 16:46:01,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:46:01,813 INFO L225 Difference]: With dead ends: 1210 [2022-12-13 16:46:01,814 INFO L226 Difference]: Without dead ends: 721 [2022-12-13 16:46:01,815 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=112, Invalid=440, Unknown=0, NotChecked=0, Total=552 [2022-12-13 16:46:01,816 INFO L413 NwaCegarLoop]: 199 mSDtfsCounter, 1877 mSDsluCounter, 1358 mSDsCounter, 0 mSdLazyCounter, 5419 mSolverCounterSat, 712 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1877 SdHoareTripleChecker+Valid, 1557 SdHoareTripleChecker+Invalid, 6131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 712 IncrementalHoareTripleChecker+Valid, 5419 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-12-13 16:46:01,816 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1877 Valid, 1557 Invalid, 6131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [712 Valid, 5419 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-12-13 16:46:01,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 721 states. [2022-12-13 16:46:01,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 721 to 516. [2022-12-13 16:46:01,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 516 states, 399 states have (on average 1.543859649122807) internal successors, (616), 406 states have internal predecessors, (616), 85 states have call successors, (85), 28 states have call predecessors, (85), 31 states have return successors, (91), 83 states have call predecessors, (91), 84 states have call successors, (91) [2022-12-13 16:46:01,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 516 states and 792 transitions. [2022-12-13 16:46:01,851 INFO L78 Accepts]: Start accepts. Automaton has 516 states and 792 transitions. Word has length 122 [2022-12-13 16:46:01,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:46:01,851 INFO L495 AbstractCegarLoop]: Abstraction has 516 states and 792 transitions. [2022-12-13 16:46:01,851 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.545454545454546) internal successors, (83), 8 states have internal predecessors, (83), 4 states have call successors, (17), 6 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14) [2022-12-13 16:46:01,851 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states and 792 transitions. [2022-12-13 16:46:01,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-12-13 16:46:01,854 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:46:01,855 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:46:01,855 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-13 16:46:01,855 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 16:46:01,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:46:01,855 INFO L85 PathProgramCache]: Analyzing trace with hash -580455267, now seen corresponding path program 2 times [2022-12-13 16:46:01,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:46:01,855 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047629692] [2022-12-13 16:46:01,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:46:01,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:46:01,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:01,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:46:01,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:01,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 16:46:01,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:01,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 16:46:01,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:01,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 16:46:01,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:01,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 16:46:01,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:01,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-12-13 16:46:01,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:02,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-12-13 16:46:02,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:02,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-12-13 16:46:02,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:02,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-12-13 16:46:02,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:02,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 16:46:02,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:02,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 16:46:02,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:02,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-12-13 16:46:02,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:02,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-12-13 16:46:02,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:02,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-12-13 16:46:02,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:02,032 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-12-13 16:46:02,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:46:02,032 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047629692] [2022-12-13 16:46:02,032 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1047629692] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:46:02,032 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:46:02,033 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-12-13 16:46:02,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50320006] [2022-12-13 16:46:02,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:46:02,033 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-13 16:46:02,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:46:02,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-13 16:46:02,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2022-12-13 16:46:02,034 INFO L87 Difference]: Start difference. First operand 516 states and 792 transitions. Second operand has 12 states, 11 states have (on average 7.636363636363637) internal successors, (84), 8 states have internal predecessors, (84), 4 states have call successors, (17), 6 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14) [2022-12-13 16:46:04,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:46:04,669 INFO L93 Difference]: Finished difference Result 1212 states and 1882 transitions. [2022-12-13 16:46:04,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-13 16:46:04,669 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.636363636363637) internal successors, (84), 8 states have internal predecessors, (84), 4 states have call successors, (17), 6 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14) Word has length 123 [2022-12-13 16:46:04,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:46:04,673 INFO L225 Difference]: With dead ends: 1212 [2022-12-13 16:46:04,673 INFO L226 Difference]: Without dead ends: 723 [2022-12-13 16:46:04,674 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=112, Invalid=440, Unknown=0, NotChecked=0, Total=552 [2022-12-13 16:46:04,675 INFO L413 NwaCegarLoop]: 196 mSDtfsCounter, 1986 mSDsluCounter, 1358 mSDsCounter, 0 mSdLazyCounter, 4996 mSolverCounterSat, 776 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1986 SdHoareTripleChecker+Valid, 1554 SdHoareTripleChecker+Invalid, 5772 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 776 IncrementalHoareTripleChecker+Valid, 4996 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-12-13 16:46:04,675 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1986 Valid, 1554 Invalid, 5772 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [776 Valid, 4996 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-12-13 16:46:04,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 723 states. [2022-12-13 16:46:04,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 723 to 518. [2022-12-13 16:46:04,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 518 states, 400 states have (on average 1.5425) internal successors, (617), 408 states have internal predecessors, (617), 85 states have call successors, (85), 28 states have call predecessors, (85), 32 states have return successors, (96), 83 states have call predecessors, (96), 84 states have call successors, (96) [2022-12-13 16:46:04,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 518 states and 798 transitions. [2022-12-13 16:46:04,711 INFO L78 Accepts]: Start accepts. Automaton has 518 states and 798 transitions. Word has length 123 [2022-12-13 16:46:04,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:46:04,711 INFO L495 AbstractCegarLoop]: Abstraction has 518 states and 798 transitions. [2022-12-13 16:46:04,711 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.636363636363637) internal successors, (84), 8 states have internal predecessors, (84), 4 states have call successors, (17), 6 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14) [2022-12-13 16:46:04,711 INFO L276 IsEmpty]: Start isEmpty. Operand 518 states and 798 transitions. [2022-12-13 16:46:04,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-12-13 16:46:04,713 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:46:04,713 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:46:04,713 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-13 16:46:04,713 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 16:46:04,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:46:04,713 INFO L85 PathProgramCache]: Analyzing trace with hash -384876767, now seen corresponding path program 1 times [2022-12-13 16:46:04,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:46:04,713 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037565558] [2022-12-13 16:46:04,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:46:04,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:46:04,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:04,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:46:04,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:04,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 16:46:04,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:04,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 16:46:04,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:04,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 16:46:04,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:04,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 16:46:04,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:04,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-12-13 16:46:04,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:04,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-12-13 16:46:04,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:04,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 16:46:04,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:04,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-12-13 16:46:04,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:04,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-12-13 16:46:04,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:04,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-12-13 16:46:04,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:04,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-12-13 16:46:04,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:04,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-12-13 16:46:04,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:04,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-12-13 16:46:04,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:04,824 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-12-13 16:46:04,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:46:04,824 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037565558] [2022-12-13 16:46:04,824 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2037565558] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 16:46:04,824 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1090284160] [2022-12-13 16:46:04,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:46:04,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 16:46:04,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_465a497f-4b6c-42cd-a401-da36eb9dedf9/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:46:04,825 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_465a497f-4b6c-42cd-a401-da36eb9dedf9/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 16:46:04,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_465a497f-4b6c-42cd-a401-da36eb9dedf9/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-13 16:46:05,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:05,016 INFO L263 TraceCheckSpWp]: Trace formula consists of 1185 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 16:46:05,018 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:46:05,036 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-12-13 16:46:05,036 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 16:46:05,093 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-12-13 16:46:05,093 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1090284160] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 16:46:05,093 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 16:46:05,093 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 11 [2022-12-13 16:46:05,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836735879] [2022-12-13 16:46:05,093 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 16:46:05,094 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-13 16:46:05,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:46:05,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-13 16:46:05,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2022-12-13 16:46:05,095 INFO L87 Difference]: Start difference. First operand 518 states and 798 transitions. Second operand has 11 states, 11 states have (on average 10.909090909090908) internal successors, (120), 7 states have internal predecessors, (120), 2 states have call successors, (34), 6 states have call predecessors, (34), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-12-13 16:46:06,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:46:06,939 INFO L93 Difference]: Finished difference Result 1414 states and 2275 transitions. [2022-12-13 16:46:06,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-13 16:46:06,939 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 10.909090909090908) internal successors, (120), 7 states have internal predecessors, (120), 2 states have call successors, (34), 6 states have call predecessors, (34), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 124 [2022-12-13 16:46:06,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:46:06,943 INFO L225 Difference]: With dead ends: 1414 [2022-12-13 16:46:06,943 INFO L226 Difference]: Without dead ends: 1165 [2022-12-13 16:46:06,944 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 288 GetRequests, 273 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2022-12-13 16:46:06,944 INFO L413 NwaCegarLoop]: 298 mSDtfsCounter, 2139 mSDsluCounter, 1476 mSDsCounter, 0 mSdLazyCounter, 3079 mSolverCounterSat, 885 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2196 SdHoareTripleChecker+Valid, 1774 SdHoareTripleChecker+Invalid, 3964 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 885 IncrementalHoareTripleChecker+Valid, 3079 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-12-13 16:46:06,944 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2196 Valid, 1774 Invalid, 3964 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [885 Valid, 3079 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-12-13 16:46:06,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1165 states. [2022-12-13 16:46:06,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1165 to 936. [2022-12-13 16:46:06,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 936 states, 739 states have (on average 1.6102841677943167) internal successors, (1190), 747 states have internal predecessors, (1190), 164 states have call successors, (164), 28 states have call predecessors, (164), 32 states have return successors, (185), 162 states have call predecessors, (185), 163 states have call successors, (185) [2022-12-13 16:46:06,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 936 states to 936 states and 1539 transitions. [2022-12-13 16:46:06,996 INFO L78 Accepts]: Start accepts. Automaton has 936 states and 1539 transitions. Word has length 124 [2022-12-13 16:46:06,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:46:06,997 INFO L495 AbstractCegarLoop]: Abstraction has 936 states and 1539 transitions. [2022-12-13 16:46:06,997 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 10.909090909090908) internal successors, (120), 7 states have internal predecessors, (120), 2 states have call successors, (34), 6 states have call predecessors, (34), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-12-13 16:46:06,997 INFO L276 IsEmpty]: Start isEmpty. Operand 936 states and 1539 transitions. [2022-12-13 16:46:07,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-12-13 16:46:07,000 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:46:07,000 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:46:07,006 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_465a497f-4b6c-42cd-a401-da36eb9dedf9/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-12-13 16:46:07,200 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_465a497f-4b6c-42cd-a401-da36eb9dedf9/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-12-13 16:46:07,201 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 16:46:07,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:46:07,202 INFO L85 PathProgramCache]: Analyzing trace with hash 1303955588, now seen corresponding path program 1 times [2022-12-13 16:46:07,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:46:07,203 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020021931] [2022-12-13 16:46:07,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:46:07,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:46:07,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:07,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:46:07,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:07,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 16:46:07,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:07,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 16:46:07,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:07,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 16:46:07,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:07,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 16:46:07,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:07,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-12-13 16:46:07,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:07,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-12-13 16:46:07,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:07,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-12-13 16:46:07,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:07,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-12-13 16:46:07,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:07,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-12-13 16:46:07,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:07,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-12-13 16:46:07,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:07,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-12-13 16:46:07,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:07,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-12-13 16:46:07,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:07,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-12-13 16:46:07,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:07,315 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-12-13 16:46:07,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:46:07,316 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020021931] [2022-12-13 16:46:07,316 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1020021931] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:46:07,316 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:46:07,316 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 16:46:07,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829311385] [2022-12-13 16:46:07,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:46:07,316 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 16:46:07,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:46:07,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 16:46:07,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-13 16:46:07,317 INFO L87 Difference]: Start difference. First operand 936 states and 1539 transitions. Second operand has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-13 16:46:08,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:46:08,688 INFO L93 Difference]: Finished difference Result 2432 states and 4076 transitions. [2022-12-13 16:46:08,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 16:46:08,688 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 130 [2022-12-13 16:46:08,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:46:08,695 INFO L225 Difference]: With dead ends: 2432 [2022-12-13 16:46:08,695 INFO L226 Difference]: Without dead ends: 1564 [2022-12-13 16:46:08,698 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-12-13 16:46:08,698 INFO L413 NwaCegarLoop]: 240 mSDtfsCounter, 1712 mSDsluCounter, 785 mSDsCounter, 0 mSdLazyCounter, 1955 mSolverCounterSat, 756 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1730 SdHoareTripleChecker+Valid, 1025 SdHoareTripleChecker+Invalid, 2711 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 756 IncrementalHoareTripleChecker+Valid, 1955 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-12-13 16:46:08,698 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1730 Valid, 1025 Invalid, 2711 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [756 Valid, 1955 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-12-13 16:46:08,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1564 states. [2022-12-13 16:46:08,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1564 to 1351. [2022-12-13 16:46:08,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1351 states, 1075 states have (on average 1.627906976744186) internal successors, (1750), 1083 states have internal predecessors, (1750), 243 states have call successors, (243), 28 states have call predecessors, (243), 32 states have return successors, (274), 241 states have call predecessors, (274), 242 states have call successors, (274) [2022-12-13 16:46:08,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1351 states to 1351 states and 2267 transitions. [2022-12-13 16:46:08,777 INFO L78 Accepts]: Start accepts. Automaton has 1351 states and 2267 transitions. Word has length 130 [2022-12-13 16:46:08,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:46:08,777 INFO L495 AbstractCegarLoop]: Abstraction has 1351 states and 2267 transitions. [2022-12-13 16:46:08,777 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-13 16:46:08,777 INFO L276 IsEmpty]: Start isEmpty. Operand 1351 states and 2267 transitions. [2022-12-13 16:46:08,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-12-13 16:46:08,782 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:46:08,782 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:46:08,782 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-13 16:46:08,782 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 16:46:08,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:46:08,782 INFO L85 PathProgramCache]: Analyzing trace with hash 1870689843, now seen corresponding path program 1 times [2022-12-13 16:46:08,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:46:08,782 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544416884] [2022-12-13 16:46:08,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:46:08,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:46:08,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:08,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:46:08,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:08,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 16:46:08,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:08,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 16:46:08,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:08,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 16:46:08,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:08,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 16:46:08,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:08,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-12-13 16:46:08,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:08,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-12-13 16:46:08,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:08,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-12-13 16:46:08,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:08,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 16:46:08,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:08,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-12-13 16:46:08,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:08,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-12-13 16:46:08,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:08,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-12-13 16:46:08,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:08,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-12-13 16:46:08,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:08,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-12-13 16:46:08,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:08,866 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-12-13 16:46:08,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:46:08,866 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544416884] [2022-12-13 16:46:08,866 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1544416884] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:46:08,866 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:46:08,866 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 16:46:08,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085440277] [2022-12-13 16:46:08,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:46:08,867 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 16:46:08,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:46:08,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 16:46:08,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-13 16:46:08,868 INFO L87 Difference]: Start difference. First operand 1351 states and 2267 transitions. Second operand has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-13 16:46:10,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:46:10,680 INFO L93 Difference]: Finished difference Result 3446 states and 5854 transitions. [2022-12-13 16:46:10,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 16:46:10,680 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 131 [2022-12-13 16:46:10,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:46:10,688 INFO L225 Difference]: With dead ends: 3446 [2022-12-13 16:46:10,688 INFO L226 Difference]: Without dead ends: 2216 [2022-12-13 16:46:10,690 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-12-13 16:46:10,690 INFO L413 NwaCegarLoop]: 226 mSDtfsCounter, 1782 mSDsluCounter, 771 mSDsCounter, 0 mSdLazyCounter, 1825 mSolverCounterSat, 775 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1802 SdHoareTripleChecker+Valid, 997 SdHoareTripleChecker+Invalid, 2600 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 775 IncrementalHoareTripleChecker+Valid, 1825 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-12-13 16:46:10,691 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1802 Valid, 997 Invalid, 2600 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [775 Valid, 1825 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-12-13 16:46:10,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2216 states. [2022-12-13 16:46:10,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2216 to 2003. [2022-12-13 16:46:10,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2003 states, 1608 states have (on average 1.6399253731343284) internal successors, (2637), 1616 states have internal predecessors, (2637), 362 states have call successors, (362), 28 states have call predecessors, (362), 32 states have return successors, (393), 360 states have call predecessors, (393), 361 states have call successors, (393) [2022-12-13 16:46:10,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2003 states to 2003 states and 3392 transitions. [2022-12-13 16:46:10,817 INFO L78 Accepts]: Start accepts. Automaton has 2003 states and 3392 transitions. Word has length 131 [2022-12-13 16:46:10,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:46:10,817 INFO L495 AbstractCegarLoop]: Abstraction has 2003 states and 3392 transitions. [2022-12-13 16:46:10,817 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-13 16:46:10,817 INFO L276 IsEmpty]: Start isEmpty. Operand 2003 states and 3392 transitions. [2022-12-13 16:46:10,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-12-13 16:46:10,826 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:46:10,827 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:46:10,827 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-13 16:46:10,827 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 16:46:10,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:46:10,827 INFO L85 PathProgramCache]: Analyzing trace with hash -1061539902, now seen corresponding path program 1 times [2022-12-13 16:46:10,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:46:10,828 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418979980] [2022-12-13 16:46:10,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:46:10,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:46:10,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:10,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:46:10,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:10,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 16:46:10,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:10,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 16:46:10,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:10,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 16:46:10,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:10,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 16:46:10,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:10,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-12-13 16:46:10,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:10,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 16:46:10,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:10,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-12-13 16:46:10,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:10,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-12-13 16:46:10,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:10,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 16:46:10,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:10,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-12-13 16:46:10,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:10,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-12-13 16:46:10,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:10,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-12-13 16:46:10,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:10,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 16:46:10,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:10,908 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-12-13 16:46:10,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:46:10,908 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418979980] [2022-12-13 16:46:10,908 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1418979980] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:46:10,908 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:46:10,908 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 16:46:10,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817682919] [2022-12-13 16:46:10,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:46:10,909 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 16:46:10,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:46:10,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 16:46:10,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-13 16:46:10,909 INFO L87 Difference]: Start difference. First operand 2003 states and 3392 transitions. Second operand has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-13 16:46:12,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:46:12,480 INFO L93 Difference]: Finished difference Result 4976 states and 8556 transitions. [2022-12-13 16:46:12,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 16:46:12,480 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 132 [2022-12-13 16:46:12,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:46:12,491 INFO L225 Difference]: With dead ends: 4976 [2022-12-13 16:46:12,491 INFO L226 Difference]: Without dead ends: 3219 [2022-12-13 16:46:12,494 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-12-13 16:46:12,494 INFO L413 NwaCegarLoop]: 230 mSDtfsCounter, 1754 mSDsluCounter, 770 mSDsCounter, 0 mSdLazyCounter, 1857 mSolverCounterSat, 794 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1774 SdHoareTripleChecker+Valid, 1000 SdHoareTripleChecker+Invalid, 2651 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 794 IncrementalHoareTripleChecker+Valid, 1857 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-12-13 16:46:12,494 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1774 Valid, 1000 Invalid, 2651 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [794 Valid, 1857 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-12-13 16:46:12,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3219 states. [2022-12-13 16:46:12,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3219 to 3006. [2022-12-13 16:46:12,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3006 states, 2449 states have (on average 1.6492445896284198) internal successors, (4039), 2457 states have internal predecessors, (4039), 524 states have call successors, (524), 28 states have call predecessors, (524), 32 states have return successors, (571), 522 states have call predecessors, (571), 523 states have call successors, (571) [2022-12-13 16:46:12,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3006 states to 3006 states and 5134 transitions. [2022-12-13 16:46:12,679 INFO L78 Accepts]: Start accepts. Automaton has 3006 states and 5134 transitions. Word has length 132 [2022-12-13 16:46:12,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:46:12,679 INFO L495 AbstractCegarLoop]: Abstraction has 3006 states and 5134 transitions. [2022-12-13 16:46:12,679 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-13 16:46:12,679 INFO L276 IsEmpty]: Start isEmpty. Operand 3006 states and 5134 transitions. [2022-12-13 16:46:12,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-12-13 16:46:12,688 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:46:12,688 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:46:12,688 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-13 16:46:12,688 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 16:46:12,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:46:12,688 INFO L85 PathProgramCache]: Analyzing trace with hash -2010719470, now seen corresponding path program 1 times [2022-12-13 16:46:12,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:46:12,688 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382616050] [2022-12-13 16:46:12,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:46:12,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:46:12,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:12,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:46:12,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:12,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 16:46:12,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:12,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 16:46:12,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:12,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 16:46:12,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:12,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 16:46:12,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:12,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-12-13 16:46:12,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:12,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-12-13 16:46:12,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:12,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-12-13 16:46:12,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:12,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-12-13 16:46:12,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:12,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-12-13 16:46:12,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:12,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-12-13 16:46:12,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:12,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-12-13 16:46:12,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:12,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-12-13 16:46:12,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:12,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-12-13 16:46:12,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:12,775 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-12-13 16:46:12,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:46:12,776 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382616050] [2022-12-13 16:46:12,776 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1382616050] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:46:12,776 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:46:12,776 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 16:46:12,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142555806] [2022-12-13 16:46:12,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:46:12,776 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 16:46:12,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:46:12,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 16:46:12,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-13 16:46:12,777 INFO L87 Difference]: Start difference. First operand 3006 states and 5134 transitions. Second operand has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-13 16:46:14,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:46:14,306 INFO L93 Difference]: Finished difference Result 7400 states and 12845 transitions. [2022-12-13 16:46:14,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 16:46:14,306 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 133 [2022-12-13 16:46:14,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:46:14,331 INFO L225 Difference]: With dead ends: 7400 [2022-12-13 16:46:14,331 INFO L226 Difference]: Without dead ends: 4844 [2022-12-13 16:46:14,337 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-12-13 16:46:14,338 INFO L413 NwaCegarLoop]: 230 mSDtfsCounter, 1767 mSDsluCounter, 770 mSDsCounter, 0 mSdLazyCounter, 1830 mSolverCounterSat, 777 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1785 SdHoareTripleChecker+Valid, 1000 SdHoareTripleChecker+Invalid, 2607 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 777 IncrementalHoareTripleChecker+Valid, 1830 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-12-13 16:46:14,338 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1785 Valid, 1000 Invalid, 2607 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [777 Valid, 1830 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-12-13 16:46:14,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4844 states. [2022-12-13 16:46:14,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4844 to 4631. [2022-12-13 16:46:14,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4631 states, 3829 states have (on average 1.655784800208932) internal successors, (6340), 3837 states have internal predecessors, (6340), 769 states have call successors, (769), 28 states have call predecessors, (769), 32 states have return successors, (842), 767 states have call predecessors, (842), 768 states have call successors, (842) [2022-12-13 16:46:14,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4631 states to 4631 states and 7951 transitions. [2022-12-13 16:46:14,638 INFO L78 Accepts]: Start accepts. Automaton has 4631 states and 7951 transitions. Word has length 133 [2022-12-13 16:46:14,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:46:14,638 INFO L495 AbstractCegarLoop]: Abstraction has 4631 states and 7951 transitions. [2022-12-13 16:46:14,639 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-13 16:46:14,639 INFO L276 IsEmpty]: Start isEmpty. Operand 4631 states and 7951 transitions. [2022-12-13 16:46:14,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-12-13 16:46:14,647 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:46:14,648 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:46:14,648 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-12-13 16:46:14,648 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 16:46:14,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:46:14,648 INFO L85 PathProgramCache]: Analyzing trace with hash -439809242, now seen corresponding path program 1 times [2022-12-13 16:46:14,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:46:14,648 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079914576] [2022-12-13 16:46:14,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:46:14,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:46:14,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:14,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:46:14,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:14,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 16:46:14,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:14,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 16:46:14,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:14,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 16:46:14,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:14,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 16:46:14,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:14,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-12-13 16:46:14,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:14,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-12-13 16:46:14,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:14,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-12-13 16:46:14,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:14,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-12-13 16:46:14,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:14,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-12-13 16:46:14,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:14,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 16:46:14,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:14,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-12-13 16:46:14,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:14,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-12-13 16:46:14,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:14,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-12-13 16:46:14,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:14,722 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-12-13 16:46:14,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:46:14,722 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1079914576] [2022-12-13 16:46:14,722 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1079914576] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:46:14,722 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:46:14,722 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 16:46:14,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176251889] [2022-12-13 16:46:14,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:46:14,722 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 16:46:14,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:46:14,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 16:46:14,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-13 16:46:14,723 INFO L87 Difference]: Start difference. First operand 4631 states and 7951 transitions. Second operand has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-13 16:46:16,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:46:16,627 INFO L93 Difference]: Finished difference Result 11446 states and 20005 transitions. [2022-12-13 16:46:16,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 16:46:16,627 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 134 [2022-12-13 16:46:16,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:46:16,656 INFO L225 Difference]: With dead ends: 11446 [2022-12-13 16:46:16,656 INFO L226 Difference]: Without dead ends: 7577 [2022-12-13 16:46:16,662 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-12-13 16:46:16,663 INFO L413 NwaCegarLoop]: 247 mSDtfsCounter, 1677 mSDsluCounter, 802 mSDsCounter, 0 mSdLazyCounter, 1964 mSolverCounterSat, 768 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1695 SdHoareTripleChecker+Valid, 1049 SdHoareTripleChecker+Invalid, 2732 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 768 IncrementalHoareTripleChecker+Valid, 1964 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-12-13 16:46:16,663 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1695 Valid, 1049 Invalid, 2732 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [768 Valid, 1964 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-12-13 16:46:16,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7577 states. [2022-12-13 16:46:17,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7577 to 7364. [2022-12-13 16:46:17,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7364 states, 6069 states have (on average 1.6551326412918108) internal successors, (10045), 6077 states have internal predecessors, (10045), 1262 states have call successors, (1262), 28 states have call predecessors, (1262), 32 states have return successors, (1379), 1260 states have call predecessors, (1379), 1261 states have call successors, (1379) [2022-12-13 16:46:17,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7364 states to 7364 states and 12686 transitions. [2022-12-13 16:46:17,091 INFO L78 Accepts]: Start accepts. Automaton has 7364 states and 12686 transitions. Word has length 134 [2022-12-13 16:46:17,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:46:17,091 INFO L495 AbstractCegarLoop]: Abstraction has 7364 states and 12686 transitions. [2022-12-13 16:46:17,091 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-13 16:46:17,091 INFO L276 IsEmpty]: Start isEmpty. Operand 7364 states and 12686 transitions. [2022-12-13 16:46:17,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-12-13 16:46:17,105 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:46:17,105 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:46:17,106 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-12-13 16:46:17,106 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 16:46:17,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:46:17,106 INFO L85 PathProgramCache]: Analyzing trace with hash -1727156306, now seen corresponding path program 1 times [2022-12-13 16:46:17,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:46:17,106 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135546141] [2022-12-13 16:46:17,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:46:17,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:46:17,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:17,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:46:17,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:17,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 16:46:17,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:17,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 16:46:17,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:17,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 16:46:17,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:17,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 16:46:17,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:17,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-12-13 16:46:17,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:17,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-12-13 16:46:17,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:17,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-12-13 16:46:17,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:17,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-12-13 16:46:17,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:17,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-12-13 16:46:17,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:17,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-12-13 16:46:17,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:17,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-12-13 16:46:17,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:17,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-12-13 16:46:17,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:17,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-12-13 16:46:17,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:17,211 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-12-13 16:46:17,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:46:17,212 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135546141] [2022-12-13 16:46:17,212 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [135546141] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:46:17,212 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:46:17,212 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 16:46:17,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980863824] [2022-12-13 16:46:17,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:46:17,213 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 16:46:17,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:46:17,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 16:46:17,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-13 16:46:17,214 INFO L87 Difference]: Start difference. First operand 7364 states and 12686 transitions. Second operand has 7 states, 7 states have (on average 13.0) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-13 16:46:19,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:46:19,307 INFO L93 Difference]: Finished difference Result 18781 states and 32889 transitions. [2022-12-13 16:46:19,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 16:46:19,308 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.0) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 135 [2022-12-13 16:46:19,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:46:19,338 INFO L225 Difference]: With dead ends: 18781 [2022-12-13 16:46:19,338 INFO L226 Difference]: Without dead ends: 12556 [2022-12-13 16:46:19,350 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-12-13 16:46:19,350 INFO L413 NwaCegarLoop]: 235 mSDtfsCounter, 1757 mSDsluCounter, 779 mSDsCounter, 0 mSdLazyCounter, 1862 mSolverCounterSat, 776 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1775 SdHoareTripleChecker+Valid, 1014 SdHoareTripleChecker+Invalid, 2638 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 776 IncrementalHoareTripleChecker+Valid, 1862 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-12-13 16:46:19,350 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1775 Valid, 1014 Invalid, 2638 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [776 Valid, 1862 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-12-13 16:46:19,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12556 states. [2022-12-13 16:46:19,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12556 to 12343. [2022-12-13 16:46:20,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12343 states, 10226 states have (on average 1.656072755720712) internal successors, (16935), 10234 states have internal predecessors, (16935), 2084 states have call successors, (2084), 28 states have call predecessors, (2084), 32 states have return successors, (2279), 2082 states have call predecessors, (2279), 2083 states have call successors, (2279) [2022-12-13 16:46:20,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12343 states to 12343 states and 21298 transitions. [2022-12-13 16:46:20,025 INFO L78 Accepts]: Start accepts. Automaton has 12343 states and 21298 transitions. Word has length 135 [2022-12-13 16:46:20,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:46:20,025 INFO L495 AbstractCegarLoop]: Abstraction has 12343 states and 21298 transitions. [2022-12-13 16:46:20,026 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.0) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-13 16:46:20,026 INFO L276 IsEmpty]: Start isEmpty. Operand 12343 states and 21298 transitions. [2022-12-13 16:46:20,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2022-12-13 16:46:20,053 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:46:20,053 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:46:20,054 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-12-13 16:46:20,054 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 16:46:20,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:46:20,054 INFO L85 PathProgramCache]: Analyzing trace with hash -97339240, now seen corresponding path program 1 times [2022-12-13 16:46:20,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:46:20,054 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189214354] [2022-12-13 16:46:20,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:46:20,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:46:20,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:20,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:46:20,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:20,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 16:46:20,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:20,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 16:46:20,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:20,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 16:46:20,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:20,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 16:46:20,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:20,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-12-13 16:46:20,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:20,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-12-13 16:46:20,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:20,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 16:46:20,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:20,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-12-13 16:46:20,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:20,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-12-13 16:46:20,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:20,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-12-13 16:46:20,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:20,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-12-13 16:46:20,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:20,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-12-13 16:46:20,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:20,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-12-13 16:46:20,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:20,137 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-12-13 16:46:20,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:46:20,138 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189214354] [2022-12-13 16:46:20,138 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [189214354] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:46:20,138 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:46:20,138 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 16:46:20,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197106899] [2022-12-13 16:46:20,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:46:20,138 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 16:46:20,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:46:20,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 16:46:20,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-13 16:46:20,139 INFO L87 Difference]: Start difference. First operand 12343 states and 21298 transitions. Second operand has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-13 16:46:22,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:46:22,656 INFO L93 Difference]: Finished difference Result 29739 states and 51854 transitions. [2022-12-13 16:46:22,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 16:46:22,656 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 136 [2022-12-13 16:46:22,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:46:22,707 INFO L225 Difference]: With dead ends: 29739 [2022-12-13 16:46:22,707 INFO L226 Difference]: Without dead ends: 19509 [2022-12-13 16:46:22,726 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-12-13 16:46:22,726 INFO L413 NwaCegarLoop]: 233 mSDtfsCounter, 1725 mSDsluCounter, 745 mSDsCounter, 0 mSdLazyCounter, 1883 mSolverCounterSat, 773 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1743 SdHoareTripleChecker+Valid, 978 SdHoareTripleChecker+Invalid, 2656 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 773 IncrementalHoareTripleChecker+Valid, 1883 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-12-13 16:46:22,726 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1743 Valid, 978 Invalid, 2656 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [773 Valid, 1883 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-12-13 16:46:22,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19509 states. [2022-12-13 16:46:23,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19509 to 19296. [2022-12-13 16:46:23,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19296 states, 15976 states have (on average 1.6322608913370056) internal successors, (26077), 15984 states have internal predecessors, (26077), 3287 states have call successors, (3287), 28 states have call predecessors, (3287), 32 states have return successors, (3626), 3285 states have call predecessors, (3626), 3286 states have call successors, (3626) [2022-12-13 16:46:23,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19296 states to 19296 states and 32990 transitions. [2022-12-13 16:46:23,882 INFO L78 Accepts]: Start accepts. Automaton has 19296 states and 32990 transitions. Word has length 136 [2022-12-13 16:46:23,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:46:23,882 INFO L495 AbstractCegarLoop]: Abstraction has 19296 states and 32990 transitions. [2022-12-13 16:46:23,882 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-13 16:46:23,882 INFO L276 IsEmpty]: Start isEmpty. Operand 19296 states and 32990 transitions. [2022-12-13 16:46:23,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2022-12-13 16:46:23,900 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:46:23,900 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:46:23,900 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-12-13 16:46:23,900 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 16:46:23,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:46:23,900 INFO L85 PathProgramCache]: Analyzing trace with hash -495626387, now seen corresponding path program 1 times [2022-12-13 16:46:23,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:46:23,900 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716504524] [2022-12-13 16:46:23,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:46:23,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:46:23,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:23,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:46:23,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:23,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 16:46:23,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:23,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 16:46:23,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:23,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 16:46:23,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:23,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 16:46:23,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:23,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-12-13 16:46:23,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:23,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-12-13 16:46:23,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:23,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-12-13 16:46:23,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:23,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-12-13 16:46:23,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:23,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-12-13 16:46:23,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:23,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-12-13 16:46:23,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:23,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-12-13 16:46:23,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:23,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-12-13 16:46:23,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:23,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-12-13 16:46:23,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:23,986 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-12-13 16:46:23,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:46:23,986 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1716504524] [2022-12-13 16:46:23,986 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1716504524] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:46:23,986 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:46:23,986 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 16:46:23,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381862926] [2022-12-13 16:46:23,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:46:23,987 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 16:46:23,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:46:23,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 16:46:23,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-13 16:46:23,988 INFO L87 Difference]: Start difference. First operand 19296 states and 32990 transitions. Second operand has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-13 16:46:27,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:46:27,276 INFO L93 Difference]: Finished difference Result 51171 states and 88974 transitions. [2022-12-13 16:46:27,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 16:46:27,276 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 137 [2022-12-13 16:46:27,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:46:27,358 INFO L225 Difference]: With dead ends: 51171 [2022-12-13 16:46:27,358 INFO L226 Difference]: Without dead ends: 34630 [2022-12-13 16:46:27,393 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-12-13 16:46:27,393 INFO L413 NwaCegarLoop]: 231 mSDtfsCounter, 1725 mSDsluCounter, 771 mSDsCounter, 0 mSdLazyCounter, 1866 mSolverCounterSat, 797 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1744 SdHoareTripleChecker+Valid, 1002 SdHoareTripleChecker+Invalid, 2663 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 797 IncrementalHoareTripleChecker+Valid, 1866 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-12-13 16:46:27,393 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1744 Valid, 1002 Invalid, 2663 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [797 Valid, 1866 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-12-13 16:46:27,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34630 states. [2022-12-13 16:46:29,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34630 to 34417. [2022-12-13 16:46:29,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34417 states, 28647 states have (on average 1.62948999895277) internal successors, (46680), 28655 states have internal predecessors, (46680), 5737 states have call successors, (5737), 28 states have call predecessors, (5737), 32 states have return successors, (6350), 5735 states have call predecessors, (6350), 5736 states have call successors, (6350) [2022-12-13 16:46:29,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34417 states to 34417 states and 58767 transitions. [2022-12-13 16:46:29,524 INFO L78 Accepts]: Start accepts. Automaton has 34417 states and 58767 transitions. Word has length 137 [2022-12-13 16:46:29,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:46:29,524 INFO L495 AbstractCegarLoop]: Abstraction has 34417 states and 58767 transitions. [2022-12-13 16:46:29,525 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-13 16:46:29,525 INFO L276 IsEmpty]: Start isEmpty. Operand 34417 states and 58767 transitions. [2022-12-13 16:46:29,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-12-13 16:46:29,546 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:46:29,546 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:46:29,546 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-12-13 16:46:29,546 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 16:46:29,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:46:29,546 INFO L85 PathProgramCache]: Analyzing trace with hash -1168339618, now seen corresponding path program 1 times [2022-12-13 16:46:29,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:46:29,547 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579074861] [2022-12-13 16:46:29,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:46:29,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:46:29,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:29,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:46:29,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:29,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 16:46:29,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:29,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 16:46:29,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:29,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 16:46:29,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:29,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 16:46:29,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:29,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-12-13 16:46:29,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:29,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-12-13 16:46:29,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:29,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 16:46:29,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:29,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-12-13 16:46:29,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:29,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-12-13 16:46:29,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:29,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-12-13 16:46:29,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:29,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-12-13 16:46:29,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:29,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-12-13 16:46:29,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:29,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-12-13 16:46:29,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:29,619 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-12-13 16:46:29,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:46:29,619 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1579074861] [2022-12-13 16:46:29,619 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1579074861] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:46:29,619 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:46:29,619 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 16:46:29,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082213937] [2022-12-13 16:46:29,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:46:29,620 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 16:46:29,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:46:29,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 16:46:29,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-13 16:46:29,621 INFO L87 Difference]: Start difference. First operand 34417 states and 58767 transitions. Second operand has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-13 16:46:34,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:46:34,501 INFO L93 Difference]: Finished difference Result 94043 states and 162768 transitions. [2022-12-13 16:46:34,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 16:46:34,501 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 138 [2022-12-13 16:46:34,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:46:34,663 INFO L225 Difference]: With dead ends: 94043 [2022-12-13 16:46:34,663 INFO L226 Difference]: Without dead ends: 63297 [2022-12-13 16:46:34,717 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-12-13 16:46:34,717 INFO L413 NwaCegarLoop]: 230 mSDtfsCounter, 1723 mSDsluCounter, 775 mSDsCounter, 0 mSdLazyCounter, 1882 mSolverCounterSat, 775 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1742 SdHoareTripleChecker+Valid, 1005 SdHoareTripleChecker+Invalid, 2657 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 775 IncrementalHoareTripleChecker+Valid, 1882 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-12-13 16:46:34,718 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1742 Valid, 1005 Invalid, 2657 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [775 Valid, 1882 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-12-13 16:46:34,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63297 states. [2022-12-13 16:46:37,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63297 to 63084. [2022-12-13 16:46:37,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63084 states, 52801 states have (on average 1.6255563341603378) internal successors, (85831), 52809 states have internal predecessors, (85831), 10250 states have call successors, (10250), 28 states have call predecessors, (10250), 32 states have return successors, (11395), 10248 states have call predecessors, (11395), 10249 states have call successors, (11395) [2022-12-13 16:46:38,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63084 states to 63084 states and 107476 transitions. [2022-12-13 16:46:38,130 INFO L78 Accepts]: Start accepts. Automaton has 63084 states and 107476 transitions. Word has length 138 [2022-12-13 16:46:38,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:46:38,130 INFO L495 AbstractCegarLoop]: Abstraction has 63084 states and 107476 transitions. [2022-12-13 16:46:38,130 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-13 16:46:38,130 INFO L276 IsEmpty]: Start isEmpty. Operand 63084 states and 107476 transitions. [2022-12-13 16:46:38,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-12-13 16:46:38,158 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:46:38,158 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:46:38,158 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-12-13 16:46:38,158 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 16:46:38,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:46:38,159 INFO L85 PathProgramCache]: Analyzing trace with hash -602877139, now seen corresponding path program 1 times [2022-12-13 16:46:38,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:46:38,159 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642770524] [2022-12-13 16:46:38,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:46:38,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:46:38,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:38,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:46:38,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:38,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 16:46:38,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:38,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 16:46:38,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:38,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 16:46:38,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:38,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 16:46:38,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:38,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-12-13 16:46:38,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:38,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-12-13 16:46:38,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:38,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-12-13 16:46:38,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:38,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-12-13 16:46:38,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:38,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-12-13 16:46:38,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:38,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-12-13 16:46:38,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:38,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 16:46:38,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:38,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 16:46:38,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:38,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-12-13 16:46:38,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:38,234 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-12-13 16:46:38,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:46:38,234 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642770524] [2022-12-13 16:46:38,234 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [642770524] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:46:38,234 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:46:38,234 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 16:46:38,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302612082] [2022-12-13 16:46:38,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:46:38,235 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 16:46:38,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:46:38,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 16:46:38,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-13 16:46:38,236 INFO L87 Difference]: Start difference. First operand 63084 states and 107476 transitions. Second operand has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-13 16:46:45,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:46:45,207 INFO L93 Difference]: Finished difference Result 118419 states and 205402 transitions. [2022-12-13 16:46:45,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 16:46:45,208 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 139 [2022-12-13 16:46:45,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:46:45,531 INFO L225 Difference]: With dead ends: 118419 [2022-12-13 16:46:45,531 INFO L226 Difference]: Without dead ends: 118170 [2022-12-13 16:46:45,571 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-12-13 16:46:45,571 INFO L413 NwaCegarLoop]: 231 mSDtfsCounter, 1711 mSDsluCounter, 771 mSDsCounter, 0 mSdLazyCounter, 1871 mSolverCounterSat, 771 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1730 SdHoareTripleChecker+Valid, 1002 SdHoareTripleChecker+Invalid, 2642 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 771 IncrementalHoareTripleChecker+Valid, 1871 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-12-13 16:46:45,572 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1730 Valid, 1002 Invalid, 2642 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [771 Valid, 1871 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-12-13 16:46:45,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118170 states. [2022-12-13 16:46:52,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118170 to 117957. [2022-12-13 16:46:52,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117957 states, 99306 states have (on average 1.6204660342778885) internal successors, (160922), 99314 states have internal predecessors, (160922), 18618 states have call successors, (18618), 28 states have call predecessors, (18618), 32 states have return successors, (20809), 18616 states have call predecessors, (20809), 18617 states have call successors, (20809) [2022-12-13 16:46:52,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117957 states to 117957 states and 200349 transitions. [2022-12-13 16:46:52,698 INFO L78 Accepts]: Start accepts. Automaton has 117957 states and 200349 transitions. Word has length 139 [2022-12-13 16:46:52,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:46:52,698 INFO L495 AbstractCegarLoop]: Abstraction has 117957 states and 200349 transitions. [2022-12-13 16:46:52,699 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-13 16:46:52,699 INFO L276 IsEmpty]: Start isEmpty. Operand 117957 states and 200349 transitions. [2022-12-13 16:46:52,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2022-12-13 16:46:52,735 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:46:52,736 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:46:52,736 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-12-13 16:46:52,736 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 16:46:52,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:46:52,736 INFO L85 PathProgramCache]: Analyzing trace with hash 52684063, now seen corresponding path program 1 times [2022-12-13 16:46:52,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:46:52,736 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086690662] [2022-12-13 16:46:52,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:46:52,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:46:52,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:52,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:46:52,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:52,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 16:46:52,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:52,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 16:46:52,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:52,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 16:46:52,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:52,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 16:46:52,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:52,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-12-13 16:46:52,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:52,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-12-13 16:46:52,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:52,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 16:46:52,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:52,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 16:46:52,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:52,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-12-13 16:46:52,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:52,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-12-13 16:46:52,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:53,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 16:46:53,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:53,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-12-13 16:46:53,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:53,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-12-13 16:46:53,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:53,036 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-12-13 16:46:53,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:46:53,036 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086690662] [2022-12-13 16:46:53,036 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2086690662] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:46:53,036 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:46:53,036 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-12-13 16:46:53,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144855150] [2022-12-13 16:46:53,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:46:53,037 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-12-13 16:46:53,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:46:53,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-12-13 16:46:53,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2022-12-13 16:46:53,038 INFO L87 Difference]: Start difference. First operand 117957 states and 200349 transitions. Second operand has 18 states, 16 states have (on average 6.0) internal successors, (96), 12 states have internal predecessors, (96), 6 states have call successors, (17), 7 states have call predecessors, (17), 4 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2022-12-13 16:47:13,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:47:13,347 INFO L93 Difference]: Finished difference Result 236072 states and 412813 transitions. [2022-12-13 16:47:13,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-12-13 16:47:13,347 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 16 states have (on average 6.0) internal successors, (96), 12 states have internal predecessors, (96), 6 states have call successors, (17), 7 states have call predecessors, (17), 4 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) Word has length 140 [2022-12-13 16:47:13,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:47:14,139 INFO L225 Difference]: With dead ends: 236072 [2022-12-13 16:47:14,139 INFO L226 Difference]: Without dead ends: 235829 [2022-12-13 16:47:14,212 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1268 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=872, Invalid=3820, Unknown=0, NotChecked=0, Total=4692 [2022-12-13 16:47:14,213 INFO L413 NwaCegarLoop]: 288 mSDtfsCounter, 6446 mSDsluCounter, 3228 mSDsCounter, 0 mSdLazyCounter, 14865 mSolverCounterSat, 3838 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6446 SdHoareTripleChecker+Valid, 3516 SdHoareTripleChecker+Invalid, 18703 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3838 IncrementalHoareTripleChecker+Valid, 14865 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2022-12-13 16:47:14,213 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6446 Valid, 3516 Invalid, 18703 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3838 Valid, 14865 Invalid, 0 Unknown, 0 Unchecked, 7.0s Time] [2022-12-13 16:47:14,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235829 states. [2022-12-13 16:47:27,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235829 to 235020. [2022-12-13 16:47:28,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 235020 states, 197896 states have (on average 1.6208210373125278) internal successors, (320754), 197806 states have internal predecessors, (320754), 37037 states have call successors, (37037), 75 states have call predecessors, (37037), 86 states have return successors, (44719), 37146 states have call predecessors, (44719), 37034 states have call successors, (44719) [2022-12-13 16:47:28,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235020 states to 235020 states and 402510 transitions. [2022-12-13 16:47:28,968 INFO L78 Accepts]: Start accepts. Automaton has 235020 states and 402510 transitions. Word has length 140 [2022-12-13 16:47:28,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:47:28,968 INFO L495 AbstractCegarLoop]: Abstraction has 235020 states and 402510 transitions. [2022-12-13 16:47:28,968 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 16 states have (on average 6.0) internal successors, (96), 12 states have internal predecessors, (96), 6 states have call successors, (17), 7 states have call predecessors, (17), 4 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2022-12-13 16:47:28,969 INFO L276 IsEmpty]: Start isEmpty. Operand 235020 states and 402510 transitions. [2022-12-13 16:47:29,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-12-13 16:47:29,039 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:47:29,040 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:47:29,040 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-12-13 16:47:29,040 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 16:47:29,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:47:29,040 INFO L85 PathProgramCache]: Analyzing trace with hash -1359170625, now seen corresponding path program 1 times [2022-12-13 16:47:29,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:47:29,040 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479176634] [2022-12-13 16:47:29,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:47:29,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:47:29,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:47:29,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:47:29,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:47:29,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 16:47:29,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:47:29,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 16:47:29,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:47:29,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 16:47:29,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:47:29,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 16:47:29,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:47:29,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-12-13 16:47:29,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:47:29,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-12-13 16:47:29,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:47:29,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 16:47:29,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:47:29,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 16:47:29,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:47:29,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-12-13 16:47:29,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:47:29,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-12-13 16:47:29,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:47:29,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 16:47:29,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:47:29,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-12-13 16:47:29,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:47:29,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-12-13 16:47:29,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:47:29,155 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-12-13 16:47:29,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:47:29,155 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1479176634] [2022-12-13 16:47:29,155 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1479176634] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:47:29,155 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:47:29,155 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-13 16:47:29,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079580485] [2022-12-13 16:47:29,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:47:29,155 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 16:47:29,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:47:29,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 16:47:29,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-12-13 16:47:29,156 INFO L87 Difference]: Start difference. First operand 235020 states and 402510 transitions. Second operand has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 5 states have internal predecessors, (97), 2 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-13 16:47:52,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:47:52,617 INFO L93 Difference]: Finished difference Result 355265 states and 627024 transitions. [2022-12-13 16:47:52,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-12-13 16:47:52,617 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 5 states have internal predecessors, (97), 2 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 141 [2022-12-13 16:47:52,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:47:53,861 INFO L225 Difference]: With dead ends: 355265 [2022-12-13 16:47:53,861 INFO L226 Difference]: Without dead ends: 354636 [2022-12-13 16:47:53,977 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=189, Invalid=513, Unknown=0, NotChecked=0, Total=702 [2022-12-13 16:47:53,978 INFO L413 NwaCegarLoop]: 296 mSDtfsCounter, 4857 mSDsluCounter, 1383 mSDsCounter, 0 mSdLazyCounter, 5214 mSolverCounterSat, 2305 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4871 SdHoareTripleChecker+Valid, 1679 SdHoareTripleChecker+Invalid, 7519 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2305 IncrementalHoareTripleChecker+Valid, 5214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-12-13 16:47:53,978 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4871 Valid, 1679 Invalid, 7519 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2305 Valid, 5214 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2022-12-13 16:47:54,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354636 states. [2022-12-13 16:48:16,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354636 to 352945. [2022-12-13 16:48:17,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 352945 states, 297124 states have (on average 1.6204715876199836) internal successors, (481481), 296955 states have internal predecessors, (481481), 55614 states have call successors, (55614), 174 states have call predecessors, (55614), 206 states have return successors, (74210), 55837 states have call predecessors, (74210), 55603 states have call successors, (74210) [2022-12-13 16:48:18,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352945 states to 352945 states and 611305 transitions. [2022-12-13 16:48:18,511 INFO L78 Accepts]: Start accepts. Automaton has 352945 states and 611305 transitions. Word has length 141 [2022-12-13 16:48:18,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:48:18,511 INFO L495 AbstractCegarLoop]: Abstraction has 352945 states and 611305 transitions. [2022-12-13 16:48:18,511 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 5 states have internal predecessors, (97), 2 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-13 16:48:18,512 INFO L276 IsEmpty]: Start isEmpty. Operand 352945 states and 611305 transitions. [2022-12-13 16:48:18,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-12-13 16:48:18,622 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:48:18,622 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:48:18,622 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-12-13 16:48:18,623 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 16:48:18,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:48:18,623 INFO L85 PathProgramCache]: Analyzing trace with hash -114406144, now seen corresponding path program 1 times [2022-12-13 16:48:18,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:48:18,623 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987171417] [2022-12-13 16:48:18,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:48:18,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:48:18,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:48:18,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:48:18,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:48:18,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 16:48:18,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:48:18,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 16:48:18,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:48:18,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 16:48:18,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:48:18,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 16:48:18,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:48:18,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-12-13 16:48:18,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:48:18,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-12-13 16:48:18,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:48:18,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 16:48:18,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:48:18,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 16:48:18,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:48:18,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-12-13 16:48:18,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:48:18,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-12-13 16:48:18,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:48:18,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 16:48:18,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:48:18,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-12-13 16:48:18,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:48:18,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-12-13 16:48:18,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:48:18,757 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-12-13 16:48:18,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:48:18,757 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1987171417] [2022-12-13 16:48:18,757 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1987171417] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:48:18,757 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:48:18,757 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 16:48:18,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650037856] [2022-12-13 16:48:18,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:48:18,758 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 16:48:18,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:48:18,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 16:48:18,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-13 16:48:18,759 INFO L87 Difference]: Start difference. First operand 352945 states and 611305 transitions. Second operand has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-13 16:48:41,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:48:41,234 INFO L93 Difference]: Finished difference Result 357850 states and 628790 transitions. [2022-12-13 16:48:41,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-13 16:48:41,234 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 141 [2022-12-13 16:48:41,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:48:42,488 INFO L225 Difference]: With dead ends: 357850 [2022-12-13 16:48:42,488 INFO L226 Difference]: Without dead ends: 355483 [2022-12-13 16:48:42,608 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=184, Unknown=0, NotChecked=0, Total=272 [2022-12-13 16:48:42,608 INFO L413 NwaCegarLoop]: 212 mSDtfsCounter, 2589 mSDsluCounter, 610 mSDsCounter, 0 mSdLazyCounter, 1583 mSolverCounterSat, 907 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2606 SdHoareTripleChecker+Valid, 822 SdHoareTripleChecker+Invalid, 2490 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 907 IncrementalHoareTripleChecker+Valid, 1583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-12-13 16:48:42,608 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2606 Valid, 822 Invalid, 2490 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [907 Valid, 1583 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-12-13 16:48:42,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355483 states. [2022-12-13 16:49:06,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355483 to 353699. [2022-12-13 16:49:06,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 353699 states, 297698 states have (on average 1.620272894006678) internal successors, (482352), 297556 states have internal predecessors, (482352), 55718 states have call successors, (55718), 249 states have call predecessors, (55718), 282 states have return successors, (74345), 55926 states have call predecessors, (74345), 55702 states have call successors, (74345) [2022-12-13 16:49:08,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353699 states to 353699 states and 612415 transitions. [2022-12-13 16:49:08,321 INFO L78 Accepts]: Start accepts. Automaton has 353699 states and 612415 transitions. Word has length 141 [2022-12-13 16:49:08,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:49:08,321 INFO L495 AbstractCegarLoop]: Abstraction has 353699 states and 612415 transitions. [2022-12-13 16:49:08,321 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-13 16:49:08,321 INFO L276 IsEmpty]: Start isEmpty. Operand 353699 states and 612415 transitions. [2022-12-13 16:49:09,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2022-12-13 16:49:09,440 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:49:09,441 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:49:09,441 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-12-13 16:49:09,441 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 16:49:09,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:49:09,441 INFO L85 PathProgramCache]: Analyzing trace with hash 404899859, now seen corresponding path program 1 times [2022-12-13 16:49:09,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:49:09,441 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302724390] [2022-12-13 16:49:09,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:49:09,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:49:09,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:49:09,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:49:09,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:49:09,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 16:49:09,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:49:09,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 16:49:09,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:49:09,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 16:49:09,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:49:09,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 16:49:09,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:49:09,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-12-13 16:49:09,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:49:09,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-12-13 16:49:09,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:49:09,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 16:49:09,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:49:09,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 16:49:09,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:49:09,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-12-13 16:49:09,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:49:09,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-12-13 16:49:09,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:49:09,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 16:49:09,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:49:09,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-12-13 16:49:09,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:49:09,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-12-13 16:49:09,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:49:09,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:49:09,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:49:09,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 16:49:09,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:49:09,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-12-13 16:49:09,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:49:09,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-12-13 16:49:09,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:49:09,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-12-13 16:49:09,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:49:09,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-12-13 16:49:09,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:49:09,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-12-13 16:49:09,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:49:09,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:49:09,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:49:09,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-12-13 16:49:09,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:49:09,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-12-13 16:49:09,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:49:09,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-12-13 16:49:09,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:49:09,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-12-13 16:49:09,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:49:09,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-12-13 16:49:09,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:49:09,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-12-13 16:49:09,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:49:09,646 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-12-13 16:49:09,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:49:09,647 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302724390] [2022-12-13 16:49:09,647 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1302724390] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:49:09,647 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:49:09,647 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-12-13 16:49:09,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032418154] [2022-12-13 16:49:09,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:49:09,648 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-13 16:49:09,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:49:09,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-13 16:49:09,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2022-12-13 16:49:09,648 INFO L87 Difference]: Start difference. First operand 353699 states and 612415 transitions. Second operand has 11 states, 11 states have (on average 12.909090909090908) internal successors, (142), 5 states have internal predecessors, (142), 3 states have call successors, (31), 8 states have call predecessors, (31), 2 states have return successors, (28), 4 states have call predecessors, (28), 3 states have call successors, (28) [2022-12-13 16:49:58,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:49:58,885 INFO L93 Difference]: Finished difference Result 688400 states and 1214507 transitions. [2022-12-13 16:49:58,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-12-13 16:49:58,886 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 12.909090909090908) internal successors, (142), 5 states have internal predecessors, (142), 3 states have call successors, (31), 8 states have call predecessors, (31), 2 states have return successors, (28), 4 states have call predecessors, (28), 3 states have call successors, (28) Word has length 247 [2022-12-13 16:49:58,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:50:01,594 INFO L225 Difference]: With dead ends: 688400 [2022-12-13 16:50:01,594 INFO L226 Difference]: Without dead ends: 685414 [2022-12-13 16:50:01,840 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 346 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=343, Invalid=989, Unknown=0, NotChecked=0, Total=1332 [2022-12-13 16:50:01,841 INFO L413 NwaCegarLoop]: 268 mSDtfsCounter, 3228 mSDsluCounter, 1645 mSDsCounter, 0 mSdLazyCounter, 5422 mSolverCounterSat, 1462 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3245 SdHoareTripleChecker+Valid, 1913 SdHoareTripleChecker+Invalid, 6884 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1462 IncrementalHoareTripleChecker+Valid, 5422 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-12-13 16:50:01,841 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3245 Valid, 1913 Invalid, 6884 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1462 Valid, 5422 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2022-12-13 16:50:02,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 685414 states. [2022-12-13 16:50:52,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 685414 to 680884. [2022-12-13 16:50:53,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 680884 states, 573066 states have (on average 1.6231568440633366) internal successors, (930176), 572761 states have internal predecessors, (930176), 107246 states have call successors, (107246), 495 states have call predecessors, (107246), 571 states have return successors, (144296), 107693 states have call predecessors, (144296), 107214 states have call successors, (144296) [2022-12-13 16:50:56,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 680884 states to 680884 states and 1181718 transitions. [2022-12-13 16:50:56,379 INFO L78 Accepts]: Start accepts. Automaton has 680884 states and 1181718 transitions. Word has length 247 [2022-12-13 16:50:56,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:50:56,380 INFO L495 AbstractCegarLoop]: Abstraction has 680884 states and 1181718 transitions. [2022-12-13 16:50:56,380 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 12.909090909090908) internal successors, (142), 5 states have internal predecessors, (142), 3 states have call successors, (31), 8 states have call predecessors, (31), 2 states have return successors, (28), 4 states have call predecessors, (28), 3 states have call successors, (28) [2022-12-13 16:50:56,380 INFO L276 IsEmpty]: Start isEmpty. Operand 680884 states and 1181718 transitions. [2022-12-13 16:50:58,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2022-12-13 16:50:58,555 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:50:58,555 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:50:58,555 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-12-13 16:50:58,556 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 16:50:58,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:50:58,556 INFO L85 PathProgramCache]: Analyzing trace with hash -252197075, now seen corresponding path program 1 times [2022-12-13 16:50:58,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:50:58,556 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646795572] [2022-12-13 16:50:58,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:50:58,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:50:58,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:50:58,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:50:58,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:50:58,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 16:50:58,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:50:58,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 16:50:58,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:50:58,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 16:50:58,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:50:58,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 16:50:58,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:50:58,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-12-13 16:50:58,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:50:58,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-12-13 16:50:58,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:50:58,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 16:50:58,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:50:58,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-12-13 16:50:58,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:50:58,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-12-13 16:50:58,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:50:58,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-12-13 16:50:58,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:50:58,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-12-13 16:50:58,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:50:58,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-12-13 16:50:58,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:50:58,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-12-13 16:50:58,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:50:58,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:50:58,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:50:58,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 16:50:58,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:50:58,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 16:50:58,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:50:58,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-12-13 16:50:58,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:50:58,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 16:50:58,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:50:58,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-12-13 16:50:58,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:50:58,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 16:50:58,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:50:58,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:50:58,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:50:58,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-12-13 16:50:58,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:50:58,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-12-13 16:50:58,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:50:58,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-12-13 16:50:58,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:50:58,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-12-13 16:50:58,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:50:58,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-12-13 16:50:58,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:50:58,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-12-13 16:50:58,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:50:58,722 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 12 proven. 8 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2022-12-13 16:50:58,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:50:58,722 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646795572] [2022-12-13 16:50:58,722 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1646795572] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 16:50:58,722 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1733576578] [2022-12-13 16:50:58,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:50:58,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 16:50:58,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_465a497f-4b6c-42cd-a401-da36eb9dedf9/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:50:58,723 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_465a497f-4b6c-42cd-a401-da36eb9dedf9/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 16:50:58,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_465a497f-4b6c-42cd-a401-da36eb9dedf9/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-12-13 16:50:58,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:50:58,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 1751 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 16:50:58,934 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:50:58,969 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2022-12-13 16:50:58,969 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 16:50:58,969 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1733576578] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:50:58,969 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 16:50:58,969 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 13 [2022-12-13 16:50:58,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287034613] [2022-12-13 16:50:58,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:50:58,970 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 16:50:58,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:50:58,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 16:50:58,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2022-12-13 16:50:58,971 INFO L87 Difference]: Start difference. First operand 680884 states and 1181718 transitions. Second operand has 5 states, 4 states have (on average 34.75) internal successors, (139), 5 states have internal predecessors, (139), 3 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-12-13 16:51:39,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:51:39,276 INFO L93 Difference]: Finished difference Result 684500 states and 1186939 transitions. [2022-12-13 16:51:39,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 16:51:39,277 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 34.75) internal successors, (139), 5 states have internal predecessors, (139), 3 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 249 [2022-12-13 16:51:39,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:51:41,762 INFO L225 Difference]: With dead ends: 684500 [2022-12-13 16:51:41,762 INFO L226 Difference]: Without dead ends: 680916 [2022-12-13 16:51:41,987 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 309 GetRequests, 297 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2022-12-13 16:51:41,987 INFO L413 NwaCegarLoop]: 655 mSDtfsCounter, 7 mSDsluCounter, 1943 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 2598 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 16:51:41,988 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 2598 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 16:51:42,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 680916 states. [2022-12-13 16:52:31,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 680916 to 680888. [2022-12-13 16:52:32,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 680888 states, 573068 states have (on average 1.6231546692539105) internal successors, (930178), 572765 states have internal predecessors, (930178), 107246 states have call successors, (107246), 495 states have call predecessors, (107246), 573 states have return successors, (144294), 107693 states have call predecessors, (144294), 107214 states have call successors, (144294) [2022-12-13 16:52:34,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 680888 states to 680888 states and 1181718 transitions. [2022-12-13 16:52:34,884 INFO L78 Accepts]: Start accepts. Automaton has 680888 states and 1181718 transitions. Word has length 249 [2022-12-13 16:52:34,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:52:34,885 INFO L495 AbstractCegarLoop]: Abstraction has 680888 states and 1181718 transitions. [2022-12-13 16:52:34,885 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 34.75) internal successors, (139), 5 states have internal predecessors, (139), 3 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-12-13 16:52:34,885 INFO L276 IsEmpty]: Start isEmpty. Operand 680888 states and 1181718 transitions. [2022-12-13 16:52:36,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2022-12-13 16:52:36,894 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:52:36,895 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:52:36,901 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_465a497f-4b6c-42cd-a401-da36eb9dedf9/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-12-13 16:52:37,095 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_465a497f-4b6c-42cd-a401-da36eb9dedf9/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 16:52:37,096 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 16:52:37,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:52:37,098 INFO L85 PathProgramCache]: Analyzing trace with hash -1976805397, now seen corresponding path program 1 times [2022-12-13 16:52:37,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:52:37,099 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119670308] [2022-12-13 16:52:37,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:52:37,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:52:37,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:52:37,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:52:37,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:52:37,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 16:52:37,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:52:37,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 16:52:37,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:52:37,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 16:52:37,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:52:37,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 16:52:37,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:52:37,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-12-13 16:52:37,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:52:37,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-12-13 16:52:37,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:52:37,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 16:52:37,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:52:37,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-12-13 16:52:37,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:52:37,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-12-13 16:52:37,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:52:37,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-12-13 16:52:37,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:52:37,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-12-13 16:52:37,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:52:37,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-12-13 16:52:37,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:52:37,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-12-13 16:52:37,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:52:37,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:52:37,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:52:37,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 16:52:37,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:52:37,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 16:52:37,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:52:37,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-12-13 16:52:37,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:52:37,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 16:52:37,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:52:37,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-12-13 16:52:37,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:52:37,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 16:52:37,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:52:37,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:52:37,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:52:37,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-12-13 16:52:37,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:52:37,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-12-13 16:52:37,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:52:37,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-12-13 16:52:37,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:52:37,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-12-13 16:52:37,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:52:37,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-12-13 16:52:37,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:52:37,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-12-13 16:52:37,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:52:37,280 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 12 proven. 8 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2022-12-13 16:52:37,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:52:37,280 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119670308] [2022-12-13 16:52:37,280 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [119670308] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 16:52:37,280 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1223182003] [2022-12-13 16:52:37,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:52:37,280 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 16:52:37,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_465a497f-4b6c-42cd-a401-da36eb9dedf9/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:52:37,281 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_465a497f-4b6c-42cd-a401-da36eb9dedf9/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 16:52:37,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_465a497f-4b6c-42cd-a401-da36eb9dedf9/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-12-13 16:52:37,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:52:37,530 INFO L263 TraceCheckSpWp]: Trace formula consists of 1748 conjuncts, 13 conjunts are in the unsatisfiable core [2022-12-13 16:52:37,534 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:52:37,682 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 32 proven. 6 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2022-12-13 16:52:37,682 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 16:52:37,950 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 14 proven. 8 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-12-13 16:52:37,950 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1223182003] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 16:52:37,950 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 16:52:37,951 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 9] total 24 [2022-12-13 16:52:37,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867980544] [2022-12-13 16:52:37,951 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 16:52:37,951 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-12-13 16:52:37,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:52:37,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-12-13 16:52:37,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=488, Unknown=0, NotChecked=0, Total=552 [2022-12-13 16:52:37,953 INFO L87 Difference]: Start difference. First operand 680888 states and 1181718 transitions. Second operand has 24 states, 23 states have (on average 13.652173913043478) internal successors, (314), 17 states have internal predecessors, (314), 5 states have call successors, (72), 11 states have call predecessors, (72), 10 states have return successors, (60), 7 states have call predecessors, (60), 5 states have call successors, (60)