./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec6_product14.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d3dd53d-a6f0-41f5-a625-0435da7c2c92/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d3dd53d-a6f0-41f5-a625-0435da7c2c92/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_0d3dd53d-a6f0-41f5-a625-0435da7c2c92/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d3dd53d-a6f0-41f5-a625-0435da7c2c92/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec6_product14.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d3dd53d-a6f0-41f5-a625-0435da7c2c92/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_0d3dd53d-a6f0-41f5-a625-0435da7c2c92/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 bcfdffd5743ab46e6f5628bffe82029f1c91fa1aa61e5033c157235a6e9c82be --- 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 15:50:02,455 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 15:50:02,456 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 15:50:02,468 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 15:50:02,469 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 15:50:02,469 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 15:50:02,470 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 15:50:02,471 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 15:50:02,472 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 15:50:02,473 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 15:50:02,473 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 15:50:02,474 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 15:50:02,474 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 15:50:02,475 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 15:50:02,476 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 15:50:02,477 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 15:50:02,477 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 15:50:02,478 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 15:50:02,479 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 15:50:02,480 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 15:50:02,481 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 15:50:02,482 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 15:50:02,482 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 15:50:02,483 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 15:50:02,485 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 15:50:02,485 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 15:50:02,485 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 15:50:02,486 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 15:50:02,486 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 15:50:02,487 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 15:50:02,487 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 15:50:02,488 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 15:50:02,488 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 15:50:02,489 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 15:50:02,489 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 15:50:02,490 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 15:50:02,490 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 15:50:02,490 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 15:50:02,490 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 15:50:02,491 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 15:50:02,491 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 15:50:02,492 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d3dd53d-a6f0-41f5-a625-0435da7c2c92/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-12-13 15:50:02,506 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 15:50:02,506 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 15:50:02,507 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 15:50:02,507 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 15:50:02,507 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 15:50:02,507 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 15:50:02,508 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 15:50:02,508 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 15:50:02,508 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 15:50:02,508 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 15:50:02,508 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 15:50:02,508 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 15:50:02,509 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 15:50:02,509 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 15:50:02,509 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 15:50:02,509 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 15:50:02,509 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 15:50:02,509 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 15:50:02,509 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 15:50:02,509 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 15:50:02,510 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 15:50:02,510 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 15:50:02,510 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 15:50:02,510 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 15:50:02,510 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 15:50:02,510 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 15:50:02,510 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 15:50:02,510 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 15:50:02,511 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 15:50:02,511 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 15:50:02,511 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 15:50:02,511 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 15:50:02,511 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 15:50:02,511 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 15:50:02,511 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 15:50:02,511 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_0d3dd53d-a6f0-41f5-a625-0435da7c2c92/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d3dd53d-a6f0-41f5-a625-0435da7c2c92/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bcfdffd5743ab46e6f5628bffe82029f1c91fa1aa61e5033c157235a6e9c82be [2022-12-13 15:50:02,679 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 15:50:02,695 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 15:50:02,697 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 15:50:02,698 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 15:50:02,699 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 15:50:02,700 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d3dd53d-a6f0-41f5-a625-0435da7c2c92/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/product-lines/email_spec6_product14.cil.c [2022-12-13 15:50:05,401 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 15:50:05,651 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 15:50:05,652 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d3dd53d-a6f0-41f5-a625-0435da7c2c92/sv-benchmarks/c/product-lines/email_spec6_product14.cil.c [2022-12-13 15:50:05,666 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d3dd53d-a6f0-41f5-a625-0435da7c2c92/bin/uautomizer-uyxdKDjOR8/data/94e49c703/6014dd561d2647a29e136f2016616160/FLAG62387fdec [2022-12-13 15:50:05,680 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d3dd53d-a6f0-41f5-a625-0435da7c2c92/bin/uautomizer-uyxdKDjOR8/data/94e49c703/6014dd561d2647a29e136f2016616160 [2022-12-13 15:50:05,682 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 15:50:05,684 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 15:50:05,685 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 15:50:05,685 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 15:50:05,688 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 15:50:05,689 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 03:50:05" (1/1) ... [2022-12-13 15:50:05,690 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42453904 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:50:05, skipping insertion in model container [2022-12-13 15:50:05,690 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 03:50:05" (1/1) ... [2022-12-13 15:50:05,697 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 15:50:05,753 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 15:50:05,922 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 15:50:05,927 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 15:50:05,931 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 15:50:05,943 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 15:50:05,946 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 15:50:06,020 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 15:50:06,025 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 15:50:06,026 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 15:50:06,027 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 15:50:06,043 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_0d3dd53d-a6f0-41f5-a625-0435da7c2c92/sv-benchmarks/c/product-lines/email_spec6_product14.cil.c[43937,43950] [2022-12-13 15:50:06,104 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 15:50:06,117 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 15:50:06,133 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 15:50:06,134 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 15:50:06,137 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 15:50:06,141 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 15:50:06,142 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 15:50:06,169 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 15:50:06,170 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 15:50:06,171 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 15:50:06,171 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 15:50:06,178 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_0d3dd53d-a6f0-41f5-a625-0435da7c2c92/sv-benchmarks/c/product-lines/email_spec6_product14.cil.c[43937,43950] [2022-12-13 15:50:06,196 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 15:50:06,214 INFO L208 MainTranslator]: Completed translation [2022-12-13 15:50:06,214 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:50:06 WrapperNode [2022-12-13 15:50:06,214 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 15:50:06,215 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 15:50:06,215 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 15:50:06,215 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 15:50:06,220 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:50:06" (1/1) ... [2022-12-13 15:50:06,236 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:50:06" (1/1) ... [2022-12-13 15:50:06,265 INFO L138 Inliner]: procedures = 126, calls = 212, calls flagged for inlining = 49, calls inlined = 41, statements flattened = 878 [2022-12-13 15:50:06,265 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 15:50:06,266 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 15:50:06,266 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 15:50:06,266 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 15:50:06,273 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:50:06" (1/1) ... [2022-12-13 15:50:06,273 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:50:06" (1/1) ... [2022-12-13 15:50:06,276 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:50:06" (1/1) ... [2022-12-13 15:50:06,276 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:50:06" (1/1) ... [2022-12-13 15:50:06,285 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:50:06" (1/1) ... [2022-12-13 15:50:06,290 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:50:06" (1/1) ... [2022-12-13 15:50:06,293 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:50:06" (1/1) ... [2022-12-13 15:50:06,295 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:50:06" (1/1) ... [2022-12-13 15:50:06,299 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 15:50:06,300 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 15:50:06,300 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 15:50:06,300 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 15:50:06,301 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:50:06" (1/1) ... [2022-12-13 15:50:06,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 15:50:06,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d3dd53d-a6f0-41f5-a625-0435da7c2c92/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:50:06,325 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d3dd53d-a6f0-41f5-a625-0435da7c2c92/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 15:50:06,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d3dd53d-a6f0-41f5-a625-0435da7c2c92/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 15:50:06,378 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2022-12-13 15:50:06,379 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2022-12-13 15:50:06,379 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2022-12-13 15:50:06,379 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2022-12-13 15:50:06,379 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2022-12-13 15:50:06,379 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2022-12-13 15:50:06,379 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2022-12-13 15:50:06,379 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2022-12-13 15:50:06,379 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2022-12-13 15:50:06,387 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2022-12-13 15:50:06,387 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2022-12-13 15:50:06,387 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2022-12-13 15:50:06,387 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2022-12-13 15:50:06,387 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2022-12-13 15:50:06,387 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2022-12-13 15:50:06,388 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2022-12-13 15:50:06,388 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2022-12-13 15:50:06,388 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2022-12-13 15:50:06,388 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2022-12-13 15:50:06,388 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2022-12-13 15:50:06,388 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2022-12-13 15:50:06,388 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2022-12-13 15:50:06,389 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2022-12-13 15:50:06,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 15:50:06,389 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2022-12-13 15:50:06,389 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2022-12-13 15:50:06,389 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2022-12-13 15:50:06,389 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2022-12-13 15:50:06,389 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2022-12-13 15:50:06,389 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2022-12-13 15:50:06,389 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2022-12-13 15:50:06,389 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2022-12-13 15:50:06,389 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2022-12-13 15:50:06,390 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2022-12-13 15:50:06,390 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2022-12-13 15:50:06,390 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2022-12-13 15:50:06,390 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2022-12-13 15:50:06,390 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2022-12-13 15:50:06,390 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2022-12-13 15:50:06,390 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2022-12-13 15:50:06,390 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2022-12-13 15:50:06,390 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2022-12-13 15:50:06,390 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2022-12-13 15:50:06,390 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2022-12-13 15:50:06,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 15:50:06,391 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2022-12-13 15:50:06,391 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2022-12-13 15:50:06,391 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2022-12-13 15:50:06,391 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2022-12-13 15:50:06,391 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 15:50:06,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 15:50:06,526 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 15:50:06,528 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 15:50:07,076 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 15:50:07,084 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 15:50:07,084 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-13 15:50:07,086 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:50:07 BoogieIcfgContainer [2022-12-13 15:50:07,086 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 15:50:07,087 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 15:50:07,087 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 15:50:07,090 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 15:50:07,090 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 03:50:05" (1/3) ... [2022-12-13 15:50:07,090 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a28385b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 03:50:07, skipping insertion in model container [2022-12-13 15:50:07,090 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:50:06" (2/3) ... [2022-12-13 15:50:07,091 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a28385b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 03:50:07, skipping insertion in model container [2022-12-13 15:50:07,091 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:50:07" (3/3) ... [2022-12-13 15:50:07,092 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec6_product14.cil.c [2022-12-13 15:50:07,106 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 15:50:07,106 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 15:50:07,146 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 15:50:07,151 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;@6d20f1d8, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 15:50:07,151 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 15:50:07,156 INFO L276 IsEmpty]: Start isEmpty. Operand has 355 states, 274 states have (on average 1.572992700729927) internal successors, (431), 279 states have internal predecessors, (431), 56 states have call successors, (56), 23 states have call predecessors, (56), 23 states have return successors, (56), 55 states have call predecessors, (56), 56 states have call successors, (56) [2022-12-13 15:50:07,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-12-13 15:50:07,174 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:50:07,175 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2022-12-13 15:50:07,176 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 15:50:07,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:50:07,181 INFO L85 PathProgramCache]: Analyzing trace with hash 331586566, now seen corresponding path program 1 times [2022-12-13 15:50:07,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:50:07,190 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271836096] [2022-12-13 15:50:07,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:50:07,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:50:07,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:07,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:50:07,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:07,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 15:50:07,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:07,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 15:50:07,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:07,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-12-13 15:50:07,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:07,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-12-13 15:50:07,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:07,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 15:50:07,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:07,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 15:50:07,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:07,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 15:50:07,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:07,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-12-13 15:50:07,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:07,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-12-13 15:50:07,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:07,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-12-13 15:50:07,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:07,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-12-13 15:50:07,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:07,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-12-13 15:50:07,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:07,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-12-13 15:50:07,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:07,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-12-13 15:50:07,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:07,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-12-13 15:50:07,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:07,810 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-12-13 15:50:07,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:50:07,811 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271836096] [2022-12-13 15:50:07,812 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [271836096] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 15:50:07,812 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [69973962] [2022-12-13 15:50:07,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:50:07,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 15:50:07,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d3dd53d-a6f0-41f5-a625-0435da7c2c92/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:50:07,814 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d3dd53d-a6f0-41f5-a625-0435da7c2c92/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 15:50:07,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d3dd53d-a6f0-41f5-a625-0435da7c2c92/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 15:50:08,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:08,043 INFO L263 TraceCheckSpWp]: Trace formula consists of 1110 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-13 15:50:08,051 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:50:08,083 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-12-13 15:50:08,083 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 15:50:08,083 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [69973962] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:50:08,083 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 15:50:08,084 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 9 [2022-12-13 15:50:08,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496284480] [2022-12-13 15:50:08,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:50:08,091 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 15:50:08,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:50:08,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 15:50:08,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-12-13 15:50:08,125 INFO L87 Difference]: Start difference. First operand has 355 states, 274 states have (on average 1.572992700729927) internal successors, (431), 279 states have internal predecessors, (431), 56 states have call successors, (56), 23 states have call predecessors, (56), 23 states have return successors, (56), 55 states have call predecessors, (56), 56 states have call successors, (56) Second operand has 2 states, 2 states have (on average 35.0) internal successors, (70), 2 states have internal predecessors, (70), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-12-13 15:50:08,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:50:08,181 INFO L93 Difference]: Finished difference Result 522 states and 784 transitions. [2022-12-13 15:50:08,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 15:50:08,183 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 35.0) internal successors, (70), 2 states have internal predecessors, (70), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 123 [2022-12-13 15:50:08,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:50:08,193 INFO L225 Difference]: With dead ends: 522 [2022-12-13 15:50:08,193 INFO L226 Difference]: Without dead ends: 348 [2022-12-13 15:50:08,196 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 151 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 15:50:08,199 INFO L413 NwaCegarLoop]: 539 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, 539 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 15:50:08,200 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 539 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 15:50:08,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2022-12-13 15:50:08,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 348. [2022-12-13 15:50:08,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 348 states, 268 states have (on average 1.5671641791044777) internal successors, (420), 272 states have internal predecessors, (420), 56 states have call successors, (56), 23 states have call predecessors, (56), 23 states have return successors, (55), 54 states have call predecessors, (55), 55 states have call successors, (55) [2022-12-13 15:50:08,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 531 transitions. [2022-12-13 15:50:08,255 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 531 transitions. Word has length 123 [2022-12-13 15:50:08,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:50:08,256 INFO L495 AbstractCegarLoop]: Abstraction has 348 states and 531 transitions. [2022-12-13 15:50:08,256 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 35.0) internal successors, (70), 2 states have internal predecessors, (70), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-12-13 15:50:08,256 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 531 transitions. [2022-12-13 15:50:08,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2022-12-13 15:50:08,260 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:50:08,260 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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, 1, 1, 1, 1] [2022-12-13 15:50:08,267 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d3dd53d-a6f0-41f5-a625-0435da7c2c92/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-13 15:50:08,460 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d3dd53d-a6f0-41f5-a625-0435da7c2c92/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-12-13 15:50:08,461 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 15:50:08,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:50:08,461 INFO L85 PathProgramCache]: Analyzing trace with hash 476641490, now seen corresponding path program 1 times [2022-12-13 15:50:08,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:50:08,462 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848630158] [2022-12-13 15:50:08,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:50:08,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:50:08,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:08,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:50:08,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:08,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 15:50:08,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:08,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 15:50:08,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:08,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-12-13 15:50:08,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:08,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-12-13 15:50:08,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:08,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 15:50:08,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:08,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-12-13 15:50:08,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:08,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-12-13 15:50:08,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:08,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-12-13 15:50:08,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:08,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-12-13 15:50:08,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:08,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-12-13 15:50:08,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:08,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-12-13 15:50:08,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:08,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-12-13 15:50:08,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:08,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-12-13 15:50:08,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:08,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-12-13 15:50:08,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:08,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-12-13 15:50:08,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:08,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-12-13 15:50:08,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:08,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-12-13 15:50:08,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:08,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 15:50:08,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:08,784 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-12-13 15:50:08,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:50:08,784 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848630158] [2022-12-13 15:50:08,785 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [848630158] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 15:50:08,785 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [913257845] [2022-12-13 15:50:08,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:50:08,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 15:50:08,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d3dd53d-a6f0-41f5-a625-0435da7c2c92/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:50:08,786 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d3dd53d-a6f0-41f5-a625-0435da7c2c92/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 15:50:08,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d3dd53d-a6f0-41f5-a625-0435da7c2c92/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-13 15:50:09,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:09,013 INFO L263 TraceCheckSpWp]: Trace formula consists of 1192 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 15:50:09,018 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:50:09,044 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2022-12-13 15:50:09,044 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 15:50:09,045 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [913257845] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:50:09,045 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 15:50:09,045 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2022-12-13 15:50:09,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104049765] [2022-12-13 15:50:09,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:50:09,046 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 15:50:09,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:50:09,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 15:50:09,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-12-13 15:50:09,047 INFO L87 Difference]: Start difference. First operand 348 states and 531 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-12-13 15:50:09,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:50:09,081 INFO L93 Difference]: Finished difference Result 512 states and 762 transitions. [2022-12-13 15:50:09,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 15:50:09,082 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 143 [2022-12-13 15:50:09,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:50:09,084 INFO L225 Difference]: With dead ends: 512 [2022-12-13 15:50:09,084 INFO L226 Difference]: Without dead ends: 351 [2022-12-13 15:50:09,085 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 176 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 15:50:09,086 INFO L413 NwaCegarLoop]: 529 mSDtfsCounter, 1 mSDsluCounter, 527 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1056 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 15:50:09,086 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1056 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 15:50:09,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2022-12-13 15:50:09,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 350. [2022-12-13 15:50:09,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 350 states, 270 states have (on average 1.5629629629629629) internal successors, (422), 274 states have internal predecessors, (422), 56 states have call successors, (56), 23 states have call predecessors, (56), 23 states have return successors, (55), 54 states have call predecessors, (55), 55 states have call successors, (55) [2022-12-13 15:50:09,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 533 transitions. [2022-12-13 15:50:09,103 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 533 transitions. Word has length 143 [2022-12-13 15:50:09,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:50:09,103 INFO L495 AbstractCegarLoop]: Abstraction has 350 states and 533 transitions. [2022-12-13 15:50:09,103 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-12-13 15:50:09,104 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 533 transitions. [2022-12-13 15:50:09,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-12-13 15:50:09,105 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:50:09,106 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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, 1] [2022-12-13 15:50:09,113 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d3dd53d-a6f0-41f5-a625-0435da7c2c92/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-13 15:50:09,306 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d3dd53d-a6f0-41f5-a625-0435da7c2c92/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 15:50:09,306 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 15:50:09,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:50:09,307 INFO L85 PathProgramCache]: Analyzing trace with hash -192212673, now seen corresponding path program 1 times [2022-12-13 15:50:09,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:50:09,307 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051032729] [2022-12-13 15:50:09,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:50:09,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:50:09,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:09,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:50:09,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:09,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 15:50:09,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:09,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 15:50:09,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:09,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-12-13 15:50:09,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:09,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-12-13 15:50:09,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:09,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 15:50:09,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:09,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-12-13 15:50:09,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:09,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-12-13 15:50:09,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:09,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-12-13 15:50:09,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:09,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-12-13 15:50:09,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:09,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-12-13 15:50:09,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:09,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-12-13 15:50:09,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:09,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-12-13 15:50:09,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:09,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-12-13 15:50:09,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:09,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-12-13 15:50:09,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:09,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-12-13 15:50:09,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:09,496 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-12-13 15:50:09,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:50:09,497 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051032729] [2022-12-13 15:50:09,497 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2051032729] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 15:50:09,497 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [659291982] [2022-12-13 15:50:09,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:50:09,498 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 15:50:09,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d3dd53d-a6f0-41f5-a625-0435da7c2c92/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:50:09,499 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d3dd53d-a6f0-41f5-a625-0435da7c2c92/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 15:50:09,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d3dd53d-a6f0-41f5-a625-0435da7c2c92/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-13 15:50:09,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:09,712 INFO L263 TraceCheckSpWp]: Trace formula consists of 1125 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 15:50:09,717 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:50:09,735 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-12-13 15:50:09,736 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 15:50:09,736 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [659291982] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:50:09,736 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 15:50:09,736 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2022-12-13 15:50:09,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277799386] [2022-12-13 15:50:09,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:50:09,737 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 15:50:09,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:50:09,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 15:50:09,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-12-13 15:50:09,738 INFO L87 Difference]: Start difference. First operand 350 states and 533 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-12-13 15:50:09,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:50:09,772 INFO L93 Difference]: Finished difference Result 743 states and 1150 transitions. [2022-12-13 15:50:09,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 15:50:09,773 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 130 [2022-12-13 15:50:09,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:50:09,776 INFO L225 Difference]: With dead ends: 743 [2022-12-13 15:50:09,776 INFO L226 Difference]: Without dead ends: 420 [2022-12-13 15:50:09,778 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 157 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 15:50:09,779 INFO L413 NwaCegarLoop]: 553 mSDtfsCounter, 126 mSDsluCounter, 484 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 1037 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 15:50:09,779 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 1037 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 15:50:09,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 420 states. [2022-12-13 15:50:09,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 412. [2022-12-13 15:50:09,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 412 states, 318 states have (on average 1.5817610062893082) internal successors, (503), 322 states have internal predecessors, (503), 70 states have call successors, (70), 23 states have call predecessors, (70), 23 states have return successors, (69), 68 states have call predecessors, (69), 69 states have call successors, (69) [2022-12-13 15:50:09,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 642 transitions. [2022-12-13 15:50:09,803 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 642 transitions. Word has length 130 [2022-12-13 15:50:09,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:50:09,803 INFO L495 AbstractCegarLoop]: Abstraction has 412 states and 642 transitions. [2022-12-13 15:50:09,804 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-12-13 15:50:09,804 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 642 transitions. [2022-12-13 15:50:09,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2022-12-13 15:50:09,807 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:50:09,807 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:50:09,814 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d3dd53d-a6f0-41f5-a625-0435da7c2c92/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-12-13 15:50:10,008 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d3dd53d-a6f0-41f5-a625-0435da7c2c92/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 15:50:10,009 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 15:50:10,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:50:10,009 INFO L85 PathProgramCache]: Analyzing trace with hash -1405478683, now seen corresponding path program 1 times [2022-12-13 15:50:10,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:50:10,010 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745865536] [2022-12-13 15:50:10,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:50:10,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:50:10,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:10,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:50:10,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:10,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 15:50:10,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:10,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 15:50:10,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:10,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-12-13 15:50:10,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:10,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-12-13 15:50:10,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:10,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 15:50:10,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:10,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-12-13 15:50:10,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:10,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-12-13 15:50:10,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:10,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 15:50:10,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:10,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-12-13 15:50:10,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:10,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-12-13 15:50:10,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:10,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-12-13 15:50:10,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:10,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-12-13 15:50:10,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:10,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-12-13 15:50:10,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:10,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-12-13 15:50:10,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:10,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-12-13 15:50:10,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:10,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-12-13 15:50:10,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:10,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-12-13 15:50:10,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:10,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-12-13 15:50:10,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:10,343 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-12-13 15:50:10,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:50:10,344 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [745865536] [2022-12-13 15:50:10,344 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [745865536] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 15:50:10,344 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [904685594] [2022-12-13 15:50:10,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:50:10,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 15:50:10,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d3dd53d-a6f0-41f5-a625-0435da7c2c92/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:50:10,345 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d3dd53d-a6f0-41f5-a625-0435da7c2c92/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 15:50:10,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d3dd53d-a6f0-41f5-a625-0435da7c2c92/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-13 15:50:10,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:10,534 INFO L263 TraceCheckSpWp]: Trace formula consists of 1213 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-13 15:50:10,539 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:50:10,599 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-12-13 15:50:10,600 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 15:50:10,600 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [904685594] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:50:10,600 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 15:50:10,600 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2022-12-13 15:50:10,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596755422] [2022-12-13 15:50:10,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:50:10,601 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 15:50:10,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:50:10,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 15:50:10,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-12-13 15:50:10,603 INFO L87 Difference]: Start difference. First operand 412 states and 642 transitions. Second operand has 5 states, 4 states have (on average 23.25) internal successors, (93), 5 states have internal predecessors, (93), 3 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) [2022-12-13 15:50:10,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:50:10,665 INFO L93 Difference]: Finished difference Result 815 states and 1274 transitions. [2022-12-13 15:50:10,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 15:50:10,666 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 23.25) internal successors, (93), 5 states have internal predecessors, (93), 3 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) Word has length 150 [2022-12-13 15:50:10,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:50:10,669 INFO L225 Difference]: With dead ends: 815 [2022-12-13 15:50:10,669 INFO L226 Difference]: Without dead ends: 414 [2022-12-13 15:50:10,671 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 181 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 15:50:10,672 INFO L413 NwaCegarLoop]: 522 mSDtfsCounter, 144 mSDsluCounter, 1399 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 1921 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 15:50:10,673 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 1921 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 15:50:10,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 414 states. [2022-12-13 15:50:10,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 414 to 414. [2022-12-13 15:50:10,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 414 states, 319 states have (on average 1.5799373040752351) internal successors, (504), 324 states have internal predecessors, (504), 70 states have call successors, (70), 23 states have call predecessors, (70), 24 states have return successors, (71), 68 states have call predecessors, (71), 69 states have call successors, (71) [2022-12-13 15:50:10,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 645 transitions. [2022-12-13 15:50:10,696 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 645 transitions. Word has length 150 [2022-12-13 15:50:10,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:50:10,697 INFO L495 AbstractCegarLoop]: Abstraction has 414 states and 645 transitions. [2022-12-13 15:50:10,697 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 23.25) internal successors, (93), 5 states have internal predecessors, (93), 3 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) [2022-12-13 15:50:10,697 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 645 transitions. [2022-12-13 15:50:10,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-12-13 15:50:10,699 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:50:10,699 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:50:10,705 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d3dd53d-a6f0-41f5-a625-0435da7c2c92/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-13 15:50:10,900 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d3dd53d-a6f0-41f5-a625-0435da7c2c92/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 15:50:10,901 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 15:50:10,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:50:10,901 INFO L85 PathProgramCache]: Analyzing trace with hash 1966621679, now seen corresponding path program 1 times [2022-12-13 15:50:10,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:50:10,901 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353962050] [2022-12-13 15:50:10,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:50:10,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:50:10,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:11,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:50:11,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:11,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 15:50:11,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:11,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 15:50:11,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:11,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 15:50:11,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:11,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-12-13 15:50:11,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:11,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-12-13 15:50:11,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:11,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-12-13 15:50:11,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:11,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-12-13 15:50:11,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:11,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-12-13 15:50:11,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:11,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-12-13 15:50:11,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:11,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-12-13 15:50:11,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:11,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-12-13 15:50:11,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:11,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-12-13 15:50:11,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:11,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-12-13 15:50:11,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:11,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-12-13 15:50:11,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:11,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 15:50:11,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:11,121 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-12-13 15:50:11,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:50:11,121 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353962050] [2022-12-13 15:50:11,122 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [353962050] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 15:50:11,122 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1598403939] [2022-12-13 15:50:11,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:50:11,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 15:50:11,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d3dd53d-a6f0-41f5-a625-0435da7c2c92/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:50:11,123 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d3dd53d-a6f0-41f5-a625-0435da7c2c92/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 15:50:11,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d3dd53d-a6f0-41f5-a625-0435da7c2c92/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-13 15:50:11,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:11,309 INFO L263 TraceCheckSpWp]: Trace formula consists of 1133 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-13 15:50:11,313 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:50:11,361 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-12-13 15:50:11,361 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 15:50:11,361 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1598403939] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:50:11,361 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 15:50:11,361 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2022-12-13 15:50:11,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615571062] [2022-12-13 15:50:11,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:50:11,362 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 15:50:11,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:50:11,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 15:50:11,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2022-12-13 15:50:11,363 INFO L87 Difference]: Start difference. First operand 414 states and 645 transitions. Second operand has 5 states, 5 states have (on average 17.6) internal successors, (88), 5 states have internal predecessors, (88), 3 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-12-13 15:50:11,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:50:11,433 INFO L93 Difference]: Finished difference Result 817 states and 1279 transitions. [2022-12-13 15:50:11,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 15:50:11,434 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 5 states have internal predecessors, (88), 3 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 132 [2022-12-13 15:50:11,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:50:11,437 INFO L225 Difference]: With dead ends: 817 [2022-12-13 15:50:11,437 INFO L226 Difference]: Without dead ends: 416 [2022-12-13 15:50:11,438 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 156 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 15:50:11,439 INFO L413 NwaCegarLoop]: 520 mSDtfsCounter, 143 mSDsluCounter, 1390 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 1910 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 15:50:11,439 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 1910 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 15:50:11,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2022-12-13 15:50:11,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 416. [2022-12-13 15:50:11,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 416 states, 320 states have (on average 1.578125) internal successors, (505), 326 states have internal predecessors, (505), 70 states have call successors, (70), 23 states have call predecessors, (70), 25 states have return successors, (76), 68 states have call predecessors, (76), 69 states have call successors, (76) [2022-12-13 15:50:11,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 651 transitions. [2022-12-13 15:50:11,463 INFO L78 Accepts]: Start accepts. Automaton has 416 states and 651 transitions. Word has length 132 [2022-12-13 15:50:11,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:50:11,463 INFO L495 AbstractCegarLoop]: Abstraction has 416 states and 651 transitions. [2022-12-13 15:50:11,463 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 5 states have internal predecessors, (88), 3 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-12-13 15:50:11,463 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 651 transitions. [2022-12-13 15:50:11,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-12-13 15:50:11,466 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:50:11,466 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2022-12-13 15:50:11,473 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d3dd53d-a6f0-41f5-a625-0435da7c2c92/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-12-13 15:50:11,667 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d3dd53d-a6f0-41f5-a625-0435da7c2c92/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 15:50:11,667 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 15:50:11,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:50:11,667 INFO L85 PathProgramCache]: Analyzing trace with hash 567265368, now seen corresponding path program 1 times [2022-12-13 15:50:11,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:50:11,667 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625571749] [2022-12-13 15:50:11,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:50:11,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:50:11,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:11,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:50:11,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:11,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 15:50:11,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:11,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 15:50:11,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:11,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 15:50:11,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:11,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 15:50:11,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:11,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-12-13 15:50:11,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:11,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-12-13 15:50:11,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:11,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-12-13 15:50:11,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:11,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-12-13 15:50:11,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:11,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 15:50:11,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:11,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-12-13 15:50:11,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:11,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-12-13 15:50:11,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:11,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-12-13 15:50:11,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:11,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 15:50:11,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:11,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-12-13 15:50:11,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:11,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-12-13 15:50:11,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:11,860 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-12-13 15:50:11,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:50:11,860 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625571749] [2022-12-13 15:50:11,861 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [625571749] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:50:11,861 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:50:11,861 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-13 15:50:11,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930151112] [2022-12-13 15:50:11,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:50:11,861 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 15:50:11,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:50:11,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 15:50:11,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-12-13 15:50:11,862 INFO L87 Difference]: Start difference. First operand 416 states and 651 transitions. Second operand has 9 states, 8 states have (on average 10.5) internal successors, (84), 5 states have internal predecessors, (84), 3 states have call successors, (19), 6 states have call predecessors, (19), 2 states have return successors, (16), 2 states have call predecessors, (16), 3 states have call successors, (16) [2022-12-13 15:50:13,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:50:13,408 INFO L93 Difference]: Finished difference Result 892 states and 1414 transitions. [2022-12-13 15:50:13,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-13 15:50:13,408 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 10.5) internal successors, (84), 5 states have internal predecessors, (84), 3 states have call successors, (19), 6 states have call predecessors, (19), 2 states have return successors, (16), 2 states have call predecessors, (16), 3 states have call successors, (16) Word has length 133 [2022-12-13 15:50:13,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:50:13,412 INFO L225 Difference]: With dead ends: 892 [2022-12-13 15:50:13,412 INFO L226 Difference]: Without dead ends: 499 [2022-12-13 15:50:13,414 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 35 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 15:50:13,415 INFO L413 NwaCegarLoop]: 197 mSDtfsCounter, 1251 mSDsluCounter, 937 mSDsCounter, 0 mSdLazyCounter, 2125 mSolverCounterSat, 434 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1272 SdHoareTripleChecker+Valid, 1134 SdHoareTripleChecker+Invalid, 2559 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 434 IncrementalHoareTripleChecker+Valid, 2125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-12-13 15:50:13,415 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1272 Valid, 1134 Invalid, 2559 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [434 Valid, 2125 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-12-13 15:50:13,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 499 states. [2022-12-13 15:50:13,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 499 to 416. [2022-12-13 15:50:13,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 416 states, 320 states have (on average 1.578125) internal successors, (505), 326 states have internal predecessors, (505), 70 states have call successors, (70), 23 states have call predecessors, (70), 25 states have return successors, (75), 68 states have call predecessors, (75), 69 states have call successors, (75) [2022-12-13 15:50:13,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 650 transitions. [2022-12-13 15:50:13,449 INFO L78 Accepts]: Start accepts. Automaton has 416 states and 650 transitions. Word has length 133 [2022-12-13 15:50:13,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:50:13,449 INFO L495 AbstractCegarLoop]: Abstraction has 416 states and 650 transitions. [2022-12-13 15:50:13,450 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 10.5) internal successors, (84), 5 states have internal predecessors, (84), 3 states have call successors, (19), 6 states have call predecessors, (19), 2 states have return successors, (16), 2 states have call predecessors, (16), 3 states have call successors, (16) [2022-12-13 15:50:13,450 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 650 transitions. [2022-12-13 15:50:13,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-12-13 15:50:13,451 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:50:13,452 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:50:13,452 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 15:50:13,452 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 15:50:13,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:50:13,452 INFO L85 PathProgramCache]: Analyzing trace with hash -681899390, now seen corresponding path program 2 times [2022-12-13 15:50:13,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:50:13,452 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253169483] [2022-12-13 15:50:13,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:50:13,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:50:13,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:13,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:50:13,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:13,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 15:50:13,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:13,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 15:50:13,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:13,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 15:50:13,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:13,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 15:50:13,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:13,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-12-13 15:50:13,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:13,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 15:50:13,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:13,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-12-13 15:50:13,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:13,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-12-13 15:50:13,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:13,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-12-13 15:50:13,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:13,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-12-13 15:50:13,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:13,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-12-13 15:50:13,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:13,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-12-13 15:50:13,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:13,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 15:50:13,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:13,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-12-13 15:50:13,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:13,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-12-13 15:50:13,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:13,644 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-12-13 15:50:13,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:50:13,644 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253169483] [2022-12-13 15:50:13,645 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [253169483] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:50:13,645 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:50:13,645 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-13 15:50:13,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655810119] [2022-12-13 15:50:13,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:50:13,645 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 15:50:13,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:50:13,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 15:50:13,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-12-13 15:50:13,646 INFO L87 Difference]: Start difference. First operand 416 states and 650 transitions. Second operand has 9 states, 8 states have (on average 10.625) internal successors, (85), 5 states have internal predecessors, (85), 3 states have call successors, (19), 6 states have call predecessors, (19), 2 states have return successors, (16), 2 states have call predecessors, (16), 3 states have call successors, (16) [2022-12-13 15:50:15,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:50:15,178 INFO L93 Difference]: Finished difference Result 894 states and 1417 transitions. [2022-12-13 15:50:15,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-13 15:50:15,179 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 10.625) internal successors, (85), 5 states have internal predecessors, (85), 3 states have call successors, (19), 6 states have call predecessors, (19), 2 states have return successors, (16), 2 states have call predecessors, (16), 3 states have call successors, (16) Word has length 134 [2022-12-13 15:50:15,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:50:15,181 INFO L225 Difference]: With dead ends: 894 [2022-12-13 15:50:15,181 INFO L226 Difference]: Without dead ends: 501 [2022-12-13 15:50:15,182 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 35 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 15:50:15,183 INFO L413 NwaCegarLoop]: 199 mSDtfsCounter, 1245 mSDsluCounter, 937 mSDsCounter, 0 mSdLazyCounter, 2152 mSolverCounterSat, 440 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1265 SdHoareTripleChecker+Valid, 1136 SdHoareTripleChecker+Invalid, 2592 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 440 IncrementalHoareTripleChecker+Valid, 2152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-12-13 15:50:15,183 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1265 Valid, 1136 Invalid, 2592 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [440 Valid, 2152 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-12-13 15:50:15,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 501 states. [2022-12-13 15:50:15,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 501 to 418. [2022-12-13 15:50:15,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 418 states, 321 states have (on average 1.5763239875389408) internal successors, (506), 328 states have internal predecessors, (506), 70 states have call successors, (70), 23 states have call predecessors, (70), 26 states have return successors, (77), 68 states have call predecessors, (77), 69 states have call successors, (77) [2022-12-13 15:50:15,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 418 states and 653 transitions. [2022-12-13 15:50:15,204 INFO L78 Accepts]: Start accepts. Automaton has 418 states and 653 transitions. Word has length 134 [2022-12-13 15:50:15,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:50:15,204 INFO L495 AbstractCegarLoop]: Abstraction has 418 states and 653 transitions. [2022-12-13 15:50:15,205 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 10.625) internal successors, (85), 5 states have internal predecessors, (85), 3 states have call successors, (19), 6 states have call predecessors, (19), 2 states have return successors, (16), 2 states have call predecessors, (16), 3 states have call successors, (16) [2022-12-13 15:50:15,205 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 653 transitions. [2022-12-13 15:50:15,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-12-13 15:50:15,208 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:50:15,208 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2022-12-13 15:50:15,208 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 15:50:15,208 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 15:50:15,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:50:15,208 INFO L85 PathProgramCache]: Analyzing trace with hash 1826301021, now seen corresponding path program 1 times [2022-12-13 15:50:15,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:50:15,209 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760222386] [2022-12-13 15:50:15,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:50:15,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:50:15,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:15,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:50:15,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:15,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 15:50:15,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:15,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 15:50:15,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:15,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 15:50:15,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:15,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 15:50:15,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:15,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-12-13 15:50:15,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:15,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-12-13 15:50:15,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:15,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-12-13 15:50:15,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:15,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-12-13 15:50:15,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:15,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 15:50:15,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:15,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-12-13 15:50:15,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:15,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-12-13 15:50:15,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:15,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-12-13 15:50:15,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:15,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-12-13 15:50:15,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:15,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-12-13 15:50:15,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:15,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-12-13 15:50:15,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:15,385 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-12-13 15:50:15,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:50:15,386 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1760222386] [2022-12-13 15:50:15,386 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1760222386] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:50:15,386 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:50:15,386 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-12-13 15:50:15,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471829666] [2022-12-13 15:50:15,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:50:15,387 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-13 15:50:15,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:50:15,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-13 15:50:15,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2022-12-13 15:50:15,388 INFO L87 Difference]: Start difference. First operand 418 states and 653 transitions. Second operand has 12 states, 11 states have (on average 8.090909090909092) internal successors, (89), 8 states have internal predecessors, (89), 4 states have call successors, (19), 6 states have call predecessors, (19), 3 states have return successors, (16), 3 states have call predecessors, (16), 4 states have call successors, (16) [2022-12-13 15:50:17,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:50:17,081 INFO L93 Difference]: Finished difference Result 892 states and 1412 transitions. [2022-12-13 15:50:17,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-13 15:50:17,081 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 8.090909090909092) internal successors, (89), 8 states have internal predecessors, (89), 4 states have call successors, (19), 6 states have call predecessors, (19), 3 states have return successors, (16), 3 states have call predecessors, (16), 4 states have call successors, (16) Word has length 135 [2022-12-13 15:50:17,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:50:17,083 INFO L225 Difference]: With dead ends: 892 [2022-12-13 15:50:17,084 INFO L226 Difference]: Without dead ends: 501 [2022-12-13 15:50:17,085 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 35 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 15:50:17,086 INFO L413 NwaCegarLoop]: 189 mSDtfsCounter, 1384 mSDsluCounter, 1294 mSDsCounter, 0 mSdLazyCounter, 3601 mSolverCounterSat, 479 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1384 SdHoareTripleChecker+Valid, 1483 SdHoareTripleChecker+Invalid, 4080 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 479 IncrementalHoareTripleChecker+Valid, 3601 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-12-13 15:50:17,086 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1384 Valid, 1483 Invalid, 4080 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [479 Valid, 3601 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-12-13 15:50:17,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 501 states. [2022-12-13 15:50:17,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 501 to 418. [2022-12-13 15:50:17,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 418 states, 321 states have (on average 1.5763239875389408) internal successors, (506), 328 states have internal predecessors, (506), 70 states have call successors, (70), 23 states have call predecessors, (70), 26 states have return successors, (76), 68 states have call predecessors, (76), 69 states have call successors, (76) [2022-12-13 15:50:17,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 418 states and 652 transitions. [2022-12-13 15:50:17,124 INFO L78 Accepts]: Start accepts. Automaton has 418 states and 652 transitions. Word has length 135 [2022-12-13 15:50:17,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:50:17,125 INFO L495 AbstractCegarLoop]: Abstraction has 418 states and 652 transitions. [2022-12-13 15:50:17,125 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.090909090909092) internal successors, (89), 8 states have internal predecessors, (89), 4 states have call successors, (19), 6 states have call predecessors, (19), 3 states have return successors, (16), 3 states have call predecessors, (16), 4 states have call successors, (16) [2022-12-13 15:50:17,125 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 652 transitions. [2022-12-13 15:50:17,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2022-12-13 15:50:17,128 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:50:17,128 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:50:17,128 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-13 15:50:17,128 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 15:50:17,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:50:17,129 INFO L85 PathProgramCache]: Analyzing trace with hash 1034826650, now seen corresponding path program 1 times [2022-12-13 15:50:17,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:50:17,129 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392364932] [2022-12-13 15:50:17,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:50:17,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:50:17,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:17,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:50:17,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:17,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 15:50:17,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:17,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 15:50:17,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:17,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 15:50:17,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:17,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 15:50:17,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:17,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-12-13 15:50:17,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:17,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-12-13 15:50:17,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:17,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-12-13 15:50:17,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:17,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-12-13 15:50:17,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:17,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 15:50:17,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:17,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-12-13 15:50:17,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:17,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-12-13 15:50:17,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:17,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 15:50:17,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:17,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-12-13 15:50:17,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:17,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-12-13 15:50:17,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:17,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-12-13 15:50:17,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:17,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 15:50:17,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:17,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-12-13 15:50:17,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:17,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-12-13 15:50:17,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:17,339 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-12-13 15:50:17,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:50:17,339 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392364932] [2022-12-13 15:50:17,340 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1392364932] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:50:17,340 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:50:17,340 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-12-13 15:50:17,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152173227] [2022-12-13 15:50:17,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:50:17,340 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-13 15:50:17,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:50:17,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-13 15:50:17,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2022-12-13 15:50:17,341 INFO L87 Difference]: Start difference. First operand 418 states and 652 transitions. Second operand has 12 states, 11 states have (on average 8.818181818181818) internal successors, (97), 8 states have internal predecessors, (97), 4 states have call successors, (22), 6 states have call predecessors, (22), 3 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2022-12-13 15:50:19,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:50:19,028 INFO L93 Difference]: Finished difference Result 894 states and 1418 transitions. [2022-12-13 15:50:19,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-13 15:50:19,028 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 8.818181818181818) internal successors, (97), 8 states have internal predecessors, (97), 4 states have call successors, (22), 6 states have call predecessors, (22), 3 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) Word has length 155 [2022-12-13 15:50:19,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:50:19,030 INFO L225 Difference]: With dead ends: 894 [2022-12-13 15:50:19,030 INFO L226 Difference]: Without dead ends: 503 [2022-12-13 15:50:19,031 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 41 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 15:50:19,032 INFO L413 NwaCegarLoop]: 191 mSDtfsCounter, 1378 mSDsluCounter, 1294 mSDsCounter, 0 mSdLazyCounter, 3660 mSolverCounterSat, 475 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1378 SdHoareTripleChecker+Valid, 1485 SdHoareTripleChecker+Invalid, 4135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 475 IncrementalHoareTripleChecker+Valid, 3660 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-12-13 15:50:19,032 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1378 Valid, 1485 Invalid, 4135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [475 Valid, 3660 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-12-13 15:50:19,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 503 states. [2022-12-13 15:50:19,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 503 to 420. [2022-12-13 15:50:19,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 420 states, 322 states have (on average 1.5745341614906831) internal successors, (507), 330 states have internal predecessors, (507), 70 states have call successors, (70), 23 states have call predecessors, (70), 27 states have return successors, (81), 68 states have call predecessors, (81), 69 states have call successors, (81) [2022-12-13 15:50:19,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 658 transitions. [2022-12-13 15:50:19,056 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 658 transitions. Word has length 155 [2022-12-13 15:50:19,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:50:19,056 INFO L495 AbstractCegarLoop]: Abstraction has 420 states and 658 transitions. [2022-12-13 15:50:19,056 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.818181818181818) internal successors, (97), 8 states have internal predecessors, (97), 4 states have call successors, (22), 6 states have call predecessors, (22), 3 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2022-12-13 15:50:19,056 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 658 transitions. [2022-12-13 15:50:19,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2022-12-13 15:50:19,058 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:50:19,058 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2022-12-13 15:50:19,058 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-13 15:50:19,058 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 15:50:19,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:50:19,058 INFO L85 PathProgramCache]: Analyzing trace with hash 955756802, now seen corresponding path program 1 times [2022-12-13 15:50:19,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:50:19,058 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207391666] [2022-12-13 15:50:19,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:50:19,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:50:19,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:19,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:50:19,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:19,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 15:50:19,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:19,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 15:50:19,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:19,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 15:50:19,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:19,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 15:50:19,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:19,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-12-13 15:50:19,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:19,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-12-13 15:50:19,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:19,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 15:50:19,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:19,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-12-13 15:50:19,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:19,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-12-13 15:50:19,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:19,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-12-13 15:50:19,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:19,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-12-13 15:50:19,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:19,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-12-13 15:50:19,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:19,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-12-13 15:50:19,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:19,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-12-13 15:50:19,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:19,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-12-13 15:50:19,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:19,176 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-12-13 15:50:19,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:50:19,176 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207391666] [2022-12-13 15:50:19,176 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1207391666] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 15:50:19,176 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1058388422] [2022-12-13 15:50:19,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:50:19,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 15:50:19,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d3dd53d-a6f0-41f5-a625-0435da7c2c92/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:50:19,177 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d3dd53d-a6f0-41f5-a625-0435da7c2c92/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 15:50:19,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d3dd53d-a6f0-41f5-a625-0435da7c2c92/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-13 15:50:19,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:19,362 INFO L263 TraceCheckSpWp]: Trace formula consists of 1138 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 15:50:19,365 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:50:19,386 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-12-13 15:50:19,386 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 15:50:19,455 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-12-13 15:50:19,455 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1058388422] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 15:50:19,455 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 15:50:19,455 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 11 [2022-12-13 15:50:19,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149261416] [2022-12-13 15:50:19,455 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 15:50:19,456 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-13 15:50:19,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:50:19,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-13 15:50:19,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2022-12-13 15:50:19,457 INFO L87 Difference]: Start difference. First operand 420 states and 658 transitions. Second operand has 11 states, 11 states have (on average 11.636363636363637) internal successors, (128), 7 states have internal predecessors, (128), 2 states have call successors, (38), 6 states have call predecessors, (38), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-12-13 15:50:21,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:50:21,001 INFO L93 Difference]: Finished difference Result 1081 states and 1787 transitions. [2022-12-13 15:50:21,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-13 15:50:21,002 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 11.636363636363637) internal successors, (128), 7 states have internal predecessors, (128), 2 states have call successors, (38), 6 states have call predecessors, (38), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 137 [2022-12-13 15:50:21,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:50:21,010 INFO L225 Difference]: With dead ends: 1081 [2022-12-13 15:50:21,010 INFO L226 Difference]: Without dead ends: 920 [2022-12-13 15:50:21,011 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 318 GetRequests, 303 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 15:50:21,011 INFO L413 NwaCegarLoop]: 302 mSDtfsCounter, 1554 mSDsluCounter, 1309 mSDsCounter, 0 mSdLazyCounter, 2052 mSolverCounterSat, 635 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1608 SdHoareTripleChecker+Valid, 1611 SdHoareTripleChecker+Invalid, 2687 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 635 IncrementalHoareTripleChecker+Valid, 2052 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-12-13 15:50:21,012 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1608 Valid, 1611 Invalid, 2687 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [635 Valid, 2052 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-12-13 15:50:21,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 920 states. [2022-12-13 15:50:21,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 920 to 813. [2022-12-13 15:50:21,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 813 states, 636 states have (on average 1.6352201257861636) internal successors, (1040), 644 states have internal predecessors, (1040), 149 states have call successors, (149), 23 states have call predecessors, (149), 27 states have return successors, (170), 147 states have call predecessors, (170), 148 states have call successors, (170) [2022-12-13 15:50:21,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 813 states to 813 states and 1359 transitions. [2022-12-13 15:50:21,076 INFO L78 Accepts]: Start accepts. Automaton has 813 states and 1359 transitions. Word has length 137 [2022-12-13 15:50:21,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:50:21,076 INFO L495 AbstractCegarLoop]: Abstraction has 813 states and 1359 transitions. [2022-12-13 15:50:21,077 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 11.636363636363637) internal successors, (128), 7 states have internal predecessors, (128), 2 states have call successors, (38), 6 states have call predecessors, (38), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-12-13 15:50:21,077 INFO L276 IsEmpty]: Start isEmpty. Operand 813 states and 1359 transitions. [2022-12-13 15:50:21,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2022-12-13 15:50:21,081 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:50:21,081 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:50:21,087 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d3dd53d-a6f0-41f5-a625-0435da7c2c92/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-12-13 15:50:21,281 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d3dd53d-a6f0-41f5-a625-0435da7c2c92/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-12-13 15:50:21,282 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 15:50:21,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:50:21,282 INFO L85 PathProgramCache]: Analyzing trace with hash 1216125001, now seen corresponding path program 1 times [2022-12-13 15:50:21,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:50:21,283 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173097135] [2022-12-13 15:50:21,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:50:21,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:50:21,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:21,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:50:21,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:21,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 15:50:21,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:21,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 15:50:21,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:21,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 15:50:21,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:21,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 15:50:21,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:21,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-12-13 15:50:21,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:21,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-12-13 15:50:21,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:21,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-12-13 15:50:21,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:21,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-12-13 15:50:21,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:21,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-12-13 15:50:21,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:21,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-12-13 15:50:21,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:21,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 15:50:21,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:21,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-12-13 15:50:21,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:21,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-12-13 15:50:21,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:21,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-12-13 15:50:21,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:21,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 15:50:21,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:21,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-12-13 15:50:21,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:21,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-12-13 15:50:21,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:21,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-12-13 15:50:21,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:21,379 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-12-13 15:50:21,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:50:21,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173097135] [2022-12-13 15:50:21,379 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [173097135] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:50:21,379 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:50:21,379 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 15:50:21,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621017869] [2022-12-13 15:50:21,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:50:21,380 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 15:50:21,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:50:21,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 15:50:21,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-13 15:50:21,380 INFO L87 Difference]: Start difference. First operand 813 states and 1359 transitions. Second operand has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-12-13 15:50:22,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:50:22,363 INFO L93 Difference]: Finished difference Result 2039 states and 3492 transitions. [2022-12-13 15:50:22,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 15:50:22,363 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 162 [2022-12-13 15:50:22,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:50:22,369 INFO L225 Difference]: With dead ends: 2039 [2022-12-13 15:50:22,369 INFO L226 Difference]: Without dead ends: 1294 [2022-12-13 15:50:22,371 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 40 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 15:50:22,372 INFO L413 NwaCegarLoop]: 235 mSDtfsCounter, 1226 mSDsluCounter, 773 mSDsCounter, 0 mSdLazyCounter, 1281 mSolverCounterSat, 513 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1245 SdHoareTripleChecker+Valid, 1008 SdHoareTripleChecker+Invalid, 1794 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 513 IncrementalHoareTripleChecker+Valid, 1281 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-12-13 15:50:22,372 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1245 Valid, 1008 Invalid, 1794 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [513 Valid, 1281 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-12-13 15:50:22,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1294 states. [2022-12-13 15:50:22,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1294 to 1203. [2022-12-13 15:50:22,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1203 states, 947 states have (on average 1.6473072861668427) internal successors, (1560), 955 states have internal predecessors, (1560), 228 states have call successors, (228), 23 states have call predecessors, (228), 27 states have return successors, (259), 226 states have call predecessors, (259), 227 states have call successors, (259) [2022-12-13 15:50:22,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1203 states to 1203 states and 2047 transitions. [2022-12-13 15:50:22,468 INFO L78 Accepts]: Start accepts. Automaton has 1203 states and 2047 transitions. Word has length 162 [2022-12-13 15:50:22,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:50:22,468 INFO L495 AbstractCegarLoop]: Abstraction has 1203 states and 2047 transitions. [2022-12-13 15:50:22,468 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-12-13 15:50:22,469 INFO L276 IsEmpty]: Start isEmpty. Operand 1203 states and 2047 transitions. [2022-12-13 15:50:22,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-12-13 15:50:22,475 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:50:22,475 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:50:22,475 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-13 15:50:22,475 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 15:50:22,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:50:22,475 INFO L85 PathProgramCache]: Analyzing trace with hash 1716515240, now seen corresponding path program 1 times [2022-12-13 15:50:22,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:50:22,476 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953197106] [2022-12-13 15:50:22,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:50:22,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:50:22,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:22,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:50:22,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:22,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 15:50:22,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:22,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 15:50:22,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:22,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 15:50:22,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:22,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 15:50:22,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:22,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-12-13 15:50:22,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:22,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-12-13 15:50:22,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:22,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-12-13 15:50:22,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:22,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 15:50:22,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:22,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-12-13 15:50:22,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:22,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-12-13 15:50:22,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:22,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-12-13 15:50:22,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:22,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-12-13 15:50:22,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:22,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-12-13 15:50:22,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:22,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-12-13 15:50:22,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:22,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-12-13 15:50:22,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:22,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-12-13 15:50:22,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:22,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-12-13 15:50:22,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:22,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-12-13 15:50:22,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:22,565 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-12-13 15:50:22,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:50:22,565 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953197106] [2022-12-13 15:50:22,565 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953197106] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:50:22,565 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:50:22,565 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 15:50:22,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741975587] [2022-12-13 15:50:22,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:50:22,565 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 15:50:22,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:50:22,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 15:50:22,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-13 15:50:22,566 INFO L87 Difference]: Start difference. First operand 1203 states and 2047 transitions. Second operand has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-12-13 15:50:23,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:50:23,510 INFO L93 Difference]: Finished difference Result 2988 states and 5166 transitions. [2022-12-13 15:50:23,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 15:50:23,510 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 163 [2022-12-13 15:50:23,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:50:23,516 INFO L225 Difference]: With dead ends: 2988 [2022-12-13 15:50:23,516 INFO L226 Difference]: Without dead ends: 1906 [2022-12-13 15:50:23,518 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 40 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 15:50:23,518 INFO L413 NwaCegarLoop]: 222 mSDtfsCounter, 1228 mSDsluCounter, 731 mSDsCounter, 0 mSdLazyCounter, 1265 mSolverCounterSat, 518 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1246 SdHoareTripleChecker+Valid, 953 SdHoareTripleChecker+Invalid, 1783 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 518 IncrementalHoareTripleChecker+Valid, 1265 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-12-13 15:50:23,519 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1246 Valid, 953 Invalid, 1783 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [518 Valid, 1265 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-12-13 15:50:23,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1906 states. [2022-12-13 15:50:23,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1906 to 1815. [2022-12-13 15:50:23,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1815 states, 1440 states have (on average 1.6548611111111111) internal successors, (2383), 1448 states have internal predecessors, (2383), 347 states have call successors, (347), 23 states have call predecessors, (347), 27 states have return successors, (378), 345 states have call predecessors, (378), 346 states have call successors, (378) [2022-12-13 15:50:23,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1815 states to 1815 states and 3108 transitions. [2022-12-13 15:50:23,685 INFO L78 Accepts]: Start accepts. Automaton has 1815 states and 3108 transitions. Word has length 163 [2022-12-13 15:50:23,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:50:23,685 INFO L495 AbstractCegarLoop]: Abstraction has 1815 states and 3108 transitions. [2022-12-13 15:50:23,685 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-12-13 15:50:23,686 INFO L276 IsEmpty]: Start isEmpty. Operand 1815 states and 3108 transitions. [2022-12-13 15:50:23,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2022-12-13 15:50:23,698 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:50:23,698 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:50:23,699 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-13 15:50:23,699 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 15:50:23,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:50:23,699 INFO L85 PathProgramCache]: Analyzing trace with hash -1356431993, now seen corresponding path program 1 times [2022-12-13 15:50:23,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:50:23,700 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115865215] [2022-12-13 15:50:23,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:50:23,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:50:23,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:23,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:50:23,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:23,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 15:50:23,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:23,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 15:50:23,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:23,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 15:50:23,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:23,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 15:50:23,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:23,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-12-13 15:50:23,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:23,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 15:50:23,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:23,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-12-13 15:50:23,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:23,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-12-13 15:50:23,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:23,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 15:50:23,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:23,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-12-13 15:50:23,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:23,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-12-13 15:50:23,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:23,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-12-13 15:50:23,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:23,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 15:50:23,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:23,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-12-13 15:50:23,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:23,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-12-13 15:50:23,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:23,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-12-13 15:50:23,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:23,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-12-13 15:50:23,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:23,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-12-13 15:50:23,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:23,838 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-12-13 15:50:23,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:50:23,839 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115865215] [2022-12-13 15:50:23,839 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2115865215] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:50:23,839 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:50:23,839 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 15:50:23,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111997901] [2022-12-13 15:50:23,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:50:23,840 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 15:50:23,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:50:23,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 15:50:23,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-13 15:50:23,841 INFO L87 Difference]: Start difference. First operand 1815 states and 3108 transitions. Second operand has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-12-13 15:50:24,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:50:24,998 INFO L93 Difference]: Finished difference Result 4413 states and 7700 transitions. [2022-12-13 15:50:24,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 15:50:24,998 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 164 [2022-12-13 15:50:24,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:50:25,006 INFO L225 Difference]: With dead ends: 4413 [2022-12-13 15:50:25,006 INFO L226 Difference]: Without dead ends: 2844 [2022-12-13 15:50:25,010 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 40 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 15:50:25,010 INFO L413 NwaCegarLoop]: 220 mSDtfsCounter, 1230 mSDsluCounter, 730 mSDsCounter, 0 mSdLazyCounter, 1248 mSolverCounterSat, 514 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1249 SdHoareTripleChecker+Valid, 950 SdHoareTripleChecker+Invalid, 1762 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 514 IncrementalHoareTripleChecker+Valid, 1248 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-12-13 15:50:25,010 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1249 Valid, 950 Invalid, 1762 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [514 Valid, 1248 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-12-13 15:50:25,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2844 states. [2022-12-13 15:50:25,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2844 to 2753. [2022-12-13 15:50:25,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2753 states, 2216 states have (on average 1.661101083032491) internal successors, (3681), 2224 states have internal predecessors, (3681), 509 states have call successors, (509), 23 states have call predecessors, (509), 27 states have return successors, (556), 507 states have call predecessors, (556), 508 states have call successors, (556) [2022-12-13 15:50:25,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2753 states to 2753 states and 4746 transitions. [2022-12-13 15:50:25,151 INFO L78 Accepts]: Start accepts. Automaton has 2753 states and 4746 transitions. Word has length 164 [2022-12-13 15:50:25,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:50:25,152 INFO L495 AbstractCegarLoop]: Abstraction has 2753 states and 4746 transitions. [2022-12-13 15:50:25,152 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-12-13 15:50:25,152 INFO L276 IsEmpty]: Start isEmpty. Operand 2753 states and 4746 transitions. [2022-12-13 15:50:25,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2022-12-13 15:50:25,160 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:50:25,160 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:50:25,160 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-13 15:50:25,160 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 15:50:25,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:50:25,160 INFO L85 PathProgramCache]: Analyzing trace with hash -1130248575, now seen corresponding path program 1 times [2022-12-13 15:50:25,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:50:25,161 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75210728] [2022-12-13 15:50:25,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:50:25,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:50:25,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:25,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:50:25,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:25,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 15:50:25,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:25,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 15:50:25,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:25,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 15:50:25,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:25,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 15:50:25,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:25,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-12-13 15:50:25,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:25,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-12-13 15:50:25,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:25,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-12-13 15:50:25,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:25,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-12-13 15:50:25,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:25,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-12-13 15:50:25,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:25,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-12-13 15:50:25,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:25,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-12-13 15:50:25,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:25,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-12-13 15:50:25,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:25,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-12-13 15:50:25,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:25,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-12-13 15:50:25,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:25,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-12-13 15:50:25,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:25,244 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-12-13 15:50:25,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:50:25,244 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [75210728] [2022-12-13 15:50:25,244 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [75210728] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:50:25,244 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:50:25,244 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 15:50:25,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111838741] [2022-12-13 15:50:25,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:50:25,245 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 15:50:25,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:50:25,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 15:50:25,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-13 15:50:25,246 INFO L87 Difference]: Start difference. First operand 2753 states and 4746 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, (19), 6 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-12-13 15:50:26,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:50:26,557 INFO L93 Difference]: Finished difference Result 6662 states and 11709 transitions. [2022-12-13 15:50:26,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 15:50:26,557 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, (19), 6 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 146 [2022-12-13 15:50:26,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:50:26,589 INFO L225 Difference]: With dead ends: 6662 [2022-12-13 15:50:26,589 INFO L226 Difference]: Without dead ends: 4359 [2022-12-13 15:50:26,597 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 34 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 15:50:26,598 INFO L413 NwaCegarLoop]: 225 mSDtfsCounter, 1216 mSDsluCounter, 730 mSDsCounter, 0 mSdLazyCounter, 1298 mSolverCounterSat, 500 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1234 SdHoareTripleChecker+Valid, 955 SdHoareTripleChecker+Invalid, 1798 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 500 IncrementalHoareTripleChecker+Valid, 1298 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-12-13 15:50:26,598 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1234 Valid, 955 Invalid, 1798 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [500 Valid, 1298 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-12-13 15:50:26,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4359 states. [2022-12-13 15:50:26,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4359 to 4268. [2022-12-13 15:50:26,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4268 states, 3486 states have (on average 1.6655192197360873) internal successors, (5806), 3494 states have internal predecessors, (5806), 754 states have call successors, (754), 23 states have call predecessors, (754), 27 states have return successors, (827), 752 states have call predecessors, (827), 753 states have call successors, (827) [2022-12-13 15:50:26,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4268 states to 4268 states and 7387 transitions. [2022-12-13 15:50:26,833 INFO L78 Accepts]: Start accepts. Automaton has 4268 states and 7387 transitions. Word has length 146 [2022-12-13 15:50:26,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:50:26,833 INFO L495 AbstractCegarLoop]: Abstraction has 4268 states and 7387 transitions. [2022-12-13 15:50:26,833 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, (19), 6 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-12-13 15:50:26,833 INFO L276 IsEmpty]: Start isEmpty. Operand 4268 states and 7387 transitions. [2022-12-13 15:50:26,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2022-12-13 15:50:26,841 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:50:26,842 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:50:26,842 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-12-13 15:50:26,842 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 15:50:26,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:50:26,842 INFO L85 PathProgramCache]: Analyzing trace with hash 101506717, now seen corresponding path program 1 times [2022-12-13 15:50:26,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:50:26,842 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988807842] [2022-12-13 15:50:26,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:50:26,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:50:26,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:26,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:50:26,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:26,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 15:50:26,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:26,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 15:50:26,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:26,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 15:50:26,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:26,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 15:50:26,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:26,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-12-13 15:50:26,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:26,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-12-13 15:50:26,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:26,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-12-13 15:50:26,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:26,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-12-13 15:50:26,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:26,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-12-13 15:50:26,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:26,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-12-13 15:50:26,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:26,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 15:50:26,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:26,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-12-13 15:50:26,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:26,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-12-13 15:50:26,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:26,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-12-13 15:50:26,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:26,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-12-13 15:50:26,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:26,924 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-12-13 15:50:26,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:50:26,925 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1988807842] [2022-12-13 15:50:26,925 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1988807842] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:50:26,925 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:50:26,925 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 15:50:26,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537610894] [2022-12-13 15:50:26,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:50:26,926 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 15:50:26,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:50:26,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 15:50:26,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-13 15:50:26,927 INFO L87 Difference]: Start difference. First operand 4268 states and 7387 transitions. Second operand has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-12-13 15:50:28,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:50:28,447 INFO L93 Difference]: Finished difference Result 10678 states and 18821 transitions. [2022-12-13 15:50:28,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 15:50:28,448 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 147 [2022-12-13 15:50:28,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:50:28,468 INFO L225 Difference]: With dead ends: 10678 [2022-12-13 15:50:28,469 INFO L226 Difference]: Without dead ends: 7092 [2022-12-13 15:50:28,474 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 34 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 15:50:28,474 INFO L413 NwaCegarLoop]: 233 mSDtfsCounter, 1223 mSDsluCounter, 749 mSDsCounter, 0 mSdLazyCounter, 1292 mSolverCounterSat, 523 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1241 SdHoareTripleChecker+Valid, 982 SdHoareTripleChecker+Invalid, 1815 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 523 IncrementalHoareTripleChecker+Valid, 1292 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-12-13 15:50:28,475 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1241 Valid, 982 Invalid, 1815 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [523 Valid, 1292 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-12-13 15:50:28,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7092 states. [2022-12-13 15:50:28,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7092 to 7001. [2022-12-13 15:50:28,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7001 states, 5726 states have (on average 1.6610199091861684) internal successors, (9511), 5734 states have internal predecessors, (9511), 1247 states have call successors, (1247), 23 states have call predecessors, (1247), 27 states have return successors, (1364), 1245 states have call predecessors, (1364), 1246 states have call successors, (1364) [2022-12-13 15:50:28,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7001 states to 7001 states and 12122 transitions. [2022-12-13 15:50:28,862 INFO L78 Accepts]: Start accepts. Automaton has 7001 states and 12122 transitions. Word has length 147 [2022-12-13 15:50:28,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:50:28,863 INFO L495 AbstractCegarLoop]: Abstraction has 7001 states and 12122 transitions. [2022-12-13 15:50:28,863 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-12-13 15:50:28,863 INFO L276 IsEmpty]: Start isEmpty. Operand 7001 states and 12122 transitions. [2022-12-13 15:50:28,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2022-12-13 15:50:28,882 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:50:28,882 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:50:28,882 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-12-13 15:50:28,882 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 15:50:28,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:50:28,883 INFO L85 PathProgramCache]: Analyzing trace with hash -1257552539, now seen corresponding path program 1 times [2022-12-13 15:50:28,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:50:28,883 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426873171] [2022-12-13 15:50:28,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:50:28,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:50:28,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:28,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:50:28,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:28,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 15:50:28,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:28,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 15:50:28,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:28,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 15:50:28,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:28,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 15:50:28,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:28,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-12-13 15:50:28,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:28,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-12-13 15:50:28,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:28,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-12-13 15:50:28,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:28,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-12-13 15:50:28,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:28,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-12-13 15:50:28,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:28,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-12-13 15:50:28,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:28,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 15:50:28,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:28,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-12-13 15:50:28,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:28,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-12-13 15:50:28,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:28,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-12-13 15:50:28,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:28,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-12-13 15:50:28,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:28,987 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-12-13 15:50:28,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:50:28,987 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426873171] [2022-12-13 15:50:28,987 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1426873171] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:50:28,987 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:50:28,987 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 15:50:28,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322377744] [2022-12-13 15:50:28,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:50:28,988 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 15:50:28,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:50:28,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 15:50:28,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-13 15:50:28,989 INFO L87 Difference]: Start difference. First operand 7001 states and 12122 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, (19), 6 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-12-13 15:50:30,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:50:30,531 INFO L93 Difference]: Finished difference Result 17818 states and 31393 transitions. [2022-12-13 15:50:30,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 15:50:30,532 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, (19), 6 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 148 [2022-12-13 15:50:30,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:50:30,561 INFO L225 Difference]: With dead ends: 17818 [2022-12-13 15:50:30,561 INFO L226 Difference]: Without dead ends: 11876 [2022-12-13 15:50:30,572 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 34 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 15:50:30,572 INFO L413 NwaCegarLoop]: 231 mSDtfsCounter, 1219 mSDsluCounter, 752 mSDsCounter, 0 mSdLazyCounter, 1276 mSolverCounterSat, 516 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1237 SdHoareTripleChecker+Valid, 983 SdHoareTripleChecker+Invalid, 1792 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 516 IncrementalHoareTripleChecker+Valid, 1276 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-12-13 15:50:30,572 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1237 Valid, 983 Invalid, 1792 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [516 Valid, 1276 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-12-13 15:50:30,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11876 states. [2022-12-13 15:50:31,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11876 to 11785. [2022-12-13 15:50:31,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11785 states, 9688 states have (on average 1.6607142857142858) internal successors, (16089), 9696 states have internal predecessors, (16089), 2069 states have call successors, (2069), 23 states have call predecessors, (2069), 27 states have return successors, (2264), 2067 states have call predecessors, (2264), 2068 states have call successors, (2264) [2022-12-13 15:50:31,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11785 states to 11785 states and 20422 transitions. [2022-12-13 15:50:31,394 INFO L78 Accepts]: Start accepts. Automaton has 11785 states and 20422 transitions. Word has length 148 [2022-12-13 15:50:31,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:50:31,395 INFO L495 AbstractCegarLoop]: Abstraction has 11785 states and 20422 transitions. [2022-12-13 15:50:31,395 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, (19), 6 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-12-13 15:50:31,395 INFO L276 IsEmpty]: Start isEmpty. Operand 11785 states and 20422 transitions. [2022-12-13 15:50:31,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2022-12-13 15:50:31,414 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:50:31,414 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:50:31,415 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-12-13 15:50:31,415 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 15:50:31,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:50:31,415 INFO L85 PathProgramCache]: Analyzing trace with hash 1113370623, now seen corresponding path program 1 times [2022-12-13 15:50:31,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:50:31,415 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706051139] [2022-12-13 15:50:31,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:50:31,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:50:31,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:31,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:50:31,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:31,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 15:50:31,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:31,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 15:50:31,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:31,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 15:50:31,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:31,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 15:50:31,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:31,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-12-13 15:50:31,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:31,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-12-13 15:50:31,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:31,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 15:50:31,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:31,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-12-13 15:50:31,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:31,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-12-13 15:50:31,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:31,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-12-13 15:50:31,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:31,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-12-13 15:50:31,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:31,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-12-13 15:50:31,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:31,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-12-13 15:50:31,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:31,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 15:50:31,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:31,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-12-13 15:50:31,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:31,495 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-12-13 15:50:31,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:50:31,496 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706051139] [2022-12-13 15:50:31,496 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [706051139] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:50:31,496 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:50:31,496 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 15:50:31,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58928822] [2022-12-13 15:50:31,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:50:31,497 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 15:50:31,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:50:31,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 15:50:31,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-13 15:50:31,497 INFO L87 Difference]: Start difference. First operand 11785 states and 20422 transitions. Second operand has 7 states, 7 states have (on average 14.0) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-12-13 15:50:33,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:50:33,992 INFO L93 Difference]: Finished difference Result 28251 states and 49518 transitions. [2022-12-13 15:50:33,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 15:50:33,993 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 149 [2022-12-13 15:50:33,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:50:34,036 INFO L225 Difference]: With dead ends: 28251 [2022-12-13 15:50:34,036 INFO L226 Difference]: Without dead ends: 18469 [2022-12-13 15:50:34,053 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 34 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 15:50:34,053 INFO L413 NwaCegarLoop]: 221 mSDtfsCounter, 1212 mSDsluCounter, 705 mSDsCounter, 0 mSdLazyCounter, 1276 mSolverCounterSat, 501 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1231 SdHoareTripleChecker+Valid, 926 SdHoareTripleChecker+Invalid, 1777 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 501 IncrementalHoareTripleChecker+Valid, 1276 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-12-13 15:50:34,053 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1231 Valid, 926 Invalid, 1777 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [501 Valid, 1276 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-12-13 15:50:34,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18469 states. [2022-12-13 15:50:35,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18469 to 18378. [2022-12-13 15:50:35,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18378 states, 15078 states have (on average 1.635163814829553) internal successors, (24655), 15086 states have internal predecessors, (24655), 3272 states have call successors, (3272), 23 states have call predecessors, (3272), 27 states have return successors, (3611), 3270 states have call predecessors, (3611), 3271 states have call successors, (3611) [2022-12-13 15:50:35,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18378 states to 18378 states and 31538 transitions. [2022-12-13 15:50:35,164 INFO L78 Accepts]: Start accepts. Automaton has 18378 states and 31538 transitions. Word has length 149 [2022-12-13 15:50:35,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:50:35,164 INFO L495 AbstractCegarLoop]: Abstraction has 18378 states and 31538 transitions. [2022-12-13 15:50:35,165 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-12-13 15:50:35,165 INFO L276 IsEmpty]: Start isEmpty. Operand 18378 states and 31538 transitions. [2022-12-13 15:50:35,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2022-12-13 15:50:35,196 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:50:35,196 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:50:35,197 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-12-13 15:50:35,197 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 15:50:35,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:50:35,197 INFO L85 PathProgramCache]: Analyzing trace with hash 1206473862, now seen corresponding path program 1 times [2022-12-13 15:50:35,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:50:35,197 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531875369] [2022-12-13 15:50:35,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:50:35,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:50:35,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:35,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:50:35,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:35,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 15:50:35,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:35,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 15:50:35,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:35,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 15:50:35,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:35,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 15:50:35,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:35,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-12-13 15:50:35,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:35,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-12-13 15:50:35,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:35,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-12-13 15:50:35,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:35,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-12-13 15:50:35,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:35,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-12-13 15:50:35,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:35,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-12-13 15:50:35,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:35,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-12-13 15:50:35,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:35,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-12-13 15:50:35,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:35,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-12-13 15:50:35,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:35,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-12-13 15:50:35,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:35,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-12-13 15:50:35,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:35,293 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-12-13 15:50:35,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:50:35,293 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531875369] [2022-12-13 15:50:35,293 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1531875369] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:50:35,293 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:50:35,293 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 15:50:35,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415901170] [2022-12-13 15:50:35,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:50:35,293 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 15:50:35,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:50:35,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 15:50:35,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-13 15:50:35,294 INFO L87 Difference]: Start difference. First operand 18378 states and 31538 transitions. Second operand has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-12-13 15:50:38,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:50:38,495 INFO L93 Difference]: Finished difference Result 48673 states and 85022 transitions. [2022-12-13 15:50:38,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 15:50:38,496 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 150 [2022-12-13 15:50:38,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:50:38,594 INFO L225 Difference]: With dead ends: 48673 [2022-12-13 15:50:38,594 INFO L226 Difference]: Without dead ends: 32905 [2022-12-13 15:50:38,629 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 34 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 15:50:38,629 INFO L413 NwaCegarLoop]: 225 mSDtfsCounter, 1217 mSDsluCounter, 731 mSDsCounter, 0 mSdLazyCounter, 1285 mSolverCounterSat, 503 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1236 SdHoareTripleChecker+Valid, 956 SdHoareTripleChecker+Invalid, 1788 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 503 IncrementalHoareTripleChecker+Valid, 1285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-12-13 15:50:38,630 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1236 Valid, 956 Invalid, 1788 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [503 Valid, 1285 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-12-13 15:50:38,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32905 states. [2022-12-13 15:50:40,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32905 to 32814. [2022-12-13 15:50:40,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32814 states, 27064 states have (on average 1.631761749926101) internal successors, (44162), 27072 states have internal predecessors, (44162), 5722 states have call successors, (5722), 23 states have call predecessors, (5722), 27 states have return successors, (6335), 5720 states have call predecessors, (6335), 5721 states have call successors, (6335) [2022-12-13 15:50:40,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32814 states to 32814 states and 56219 transitions. [2022-12-13 15:50:40,592 INFO L78 Accepts]: Start accepts. Automaton has 32814 states and 56219 transitions. Word has length 150 [2022-12-13 15:50:40,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:50:40,592 INFO L495 AbstractCegarLoop]: Abstraction has 32814 states and 56219 transitions. [2022-12-13 15:50:40,593 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-12-13 15:50:40,593 INFO L276 IsEmpty]: Start isEmpty. Operand 32814 states and 56219 transitions. [2022-12-13 15:50:40,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2022-12-13 15:50:40,622 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:50:40,623 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:50:40,623 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-12-13 15:50:40,623 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 15:50:40,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:50:40,623 INFO L85 PathProgramCache]: Analyzing trace with hash 2081256569, now seen corresponding path program 1 times [2022-12-13 15:50:40,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:50:40,623 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964303947] [2022-12-13 15:50:40,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:50:40,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:50:40,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:40,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:50:40,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:40,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 15:50:40,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:40,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 15:50:40,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:40,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 15:50:40,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:40,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 15:50:40,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:40,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-12-13 15:50:40,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:40,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-12-13 15:50:40,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:40,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 15:50:40,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:40,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-12-13 15:50:40,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:40,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-12-13 15:50:40,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:40,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-12-13 15:50:40,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:40,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-12-13 15:50:40,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:40,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 15:50:40,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:40,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-12-13 15:50:40,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:40,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-12-13 15:50:40,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:40,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-12-13 15:50:40,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:40,695 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-12-13 15:50:40,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:50:40,695 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964303947] [2022-12-13 15:50:40,695 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1964303947] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:50:40,695 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:50:40,695 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 15:50:40,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98765224] [2022-12-13 15:50:40,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:50:40,696 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 15:50:40,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:50:40,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 15:50:40,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-13 15:50:40,696 INFO L87 Difference]: Start difference. First operand 32814 states and 56219 transitions. Second operand has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-12-13 15:50:45,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:50:45,459 INFO L93 Difference]: Finished difference Result 89570 states and 155656 transitions. [2022-12-13 15:50:45,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 15:50:45,459 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 151 [2022-12-13 15:50:45,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:50:45,621 INFO L225 Difference]: With dead ends: 89570 [2022-12-13 15:50:45,622 INFO L226 Difference]: Without dead ends: 60242 [2022-12-13 15:50:45,675 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 34 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 15:50:45,676 INFO L413 NwaCegarLoop]: 222 mSDtfsCounter, 1217 mSDsluCounter, 735 mSDsCounter, 0 mSdLazyCounter, 1252 mSolverCounterSat, 514 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1236 SdHoareTripleChecker+Valid, 957 SdHoareTripleChecker+Invalid, 1766 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 514 IncrementalHoareTripleChecker+Valid, 1252 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-12-13 15:50:45,676 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1236 Valid, 957 Invalid, 1766 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [514 Valid, 1252 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-12-13 15:50:45,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60242 states. [2022-12-13 15:50:49,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60242 to 60151. [2022-12-13 15:50:49,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60151 states, 49888 states have (on average 1.6273452533675432) internal successors, (81185), 49896 states have internal predecessors, (81185), 10235 states have call successors, (10235), 23 states have call predecessors, (10235), 27 states have return successors, (11380), 10233 states have call predecessors, (11380), 10234 states have call successors, (11380) [2022-12-13 15:50:49,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60151 states to 60151 states and 102800 transitions. [2022-12-13 15:50:49,511 INFO L78 Accepts]: Start accepts. Automaton has 60151 states and 102800 transitions. Word has length 151 [2022-12-13 15:50:49,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:50:49,512 INFO L495 AbstractCegarLoop]: Abstraction has 60151 states and 102800 transitions. [2022-12-13 15:50:49,512 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-12-13 15:50:49,512 INFO L276 IsEmpty]: Start isEmpty. Operand 60151 states and 102800 transitions. [2022-12-13 15:50:49,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2022-12-13 15:50:49,554 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:50:49,554 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:50:49,554 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-12-13 15:50:49,555 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 15:50:49,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:50:49,555 INFO L85 PathProgramCache]: Analyzing trace with hash -17978974, now seen corresponding path program 1 times [2022-12-13 15:50:49,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:50:49,555 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232488228] [2022-12-13 15:50:49,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:50:49,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:50:49,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:49,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:50:49,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:49,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 15:50:49,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:49,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 15:50:49,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:49,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 15:50:49,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:49,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 15:50:49,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:49,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-12-13 15:50:49,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:49,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-12-13 15:50:49,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:49,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-12-13 15:50:49,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:49,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-12-13 15:50:49,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:49,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-12-13 15:50:49,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:49,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-12-13 15:50:49,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:49,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-12-13 15:50:49,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:49,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-12-13 15:50:49,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:49,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-12-13 15:50:49,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:49,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-12-13 15:50:49,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:49,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-12-13 15:50:49,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:49,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-12-13 15:50:49,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:49,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 15:50:49,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:49,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-12-13 15:50:49,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:50:49,640 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-12-13 15:50:49,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:50:49,640 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232488228] [2022-12-13 15:50:49,640 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [232488228] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:50:49,640 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:50:49,640 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 15:50:49,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647233436] [2022-12-13 15:50:49,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:50:49,641 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 15:50:49,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:50:49,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 15:50:49,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-13 15:50:49,642 INFO L87 Difference]: Start difference. First operand 60151 states and 102800 transitions. Second operand has 7 states, 7 states have (on average 15.428571428571429) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-12-13 15:50:56,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:50:56,510 INFO L93 Difference]: Finished difference Result 112661 states and 196234 transitions. [2022-12-13 15:50:56,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 15:50:56,511 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.428571428571429) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 171 [2022-12-13 15:50:56,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:50:56,805 INFO L225 Difference]: With dead ends: 112661 [2022-12-13 15:50:56,805 INFO L226 Difference]: Without dead ends: 112500 [2022-12-13 15:50:56,831 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 40 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 15:50:56,832 INFO L413 NwaCegarLoop]: 224 mSDtfsCounter, 1208 mSDsluCounter, 731 mSDsCounter, 0 mSdLazyCounter, 1283 mSolverCounterSat, 519 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1227 SdHoareTripleChecker+Valid, 955 SdHoareTripleChecker+Invalid, 1802 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 519 IncrementalHoareTripleChecker+Valid, 1283 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-12-13 15:50:56,832 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1227 Valid, 955 Invalid, 1802 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [519 Valid, 1283 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-12-13 15:50:56,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112500 states. [2022-12-13 15:51:02,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112500 to 112409. [2022-12-13 15:51:02,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112409 states, 93778 states have (on average 1.621830280023033) internal successors, (152092), 93786 states have internal predecessors, (152092), 18603 states have call successors, (18603), 23 states have call predecessors, (18603), 27 states have return successors, (20794), 18601 states have call predecessors, (20794), 18602 states have call successors, (20794) [2022-12-13 15:51:03,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112409 states to 112409 states and 191489 transitions. [2022-12-13 15:51:03,209 INFO L78 Accepts]: Start accepts. Automaton has 112409 states and 191489 transitions. Word has length 171 [2022-12-13 15:51:03,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:51:03,209 INFO L495 AbstractCegarLoop]: Abstraction has 112409 states and 191489 transitions. [2022-12-13 15:51:03,209 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.428571428571429) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-12-13 15:51:03,209 INFO L276 IsEmpty]: Start isEmpty. Operand 112409 states and 191489 transitions. [2022-12-13 15:51:03,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-12-13 15:51:03,267 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:51:03,267 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:51:03,267 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-12-13 15:51:03,267 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 15:51:03,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:51:03,267 INFO L85 PathProgramCache]: Analyzing trace with hash 7036880, now seen corresponding path program 1 times [2022-12-13 15:51:03,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:51:03,267 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242533441] [2022-12-13 15:51:03,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:51:03,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:51:03,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:51:03,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:51:03,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:51:03,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 15:51:03,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:51:03,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 15:51:03,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:51:03,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 15:51:03,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:51:03,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 15:51:03,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:51:03,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-12-13 15:51:03,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:51:03,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-12-13 15:51:03,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:51:03,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 15:51:03,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:51:03,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 15:51:03,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:51:03,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-12-13 15:51:03,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:51:03,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-12-13 15:51:03,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:51:03,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-12-13 15:51:03,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:51:03,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-12-13 15:51:03,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:51:03,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-12-13 15:51:03,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:51:03,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-12-13 15:51:03,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:51:03,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-12-13 15:51:03,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:51:03,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-12-13 15:51:03,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:51:03,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-12-13 15:51:03,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:51:03,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-12-13 15:51:03,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:51:03,410 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-12-13 15:51:03,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:51:03,410 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1242533441] [2022-12-13 15:51:03,410 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1242533441] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:51:03,410 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:51:03,410 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-13 15:51:03,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308058167] [2022-12-13 15:51:03,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:51:03,410 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-13 15:51:03,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:51:03,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-13 15:51:03,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-12-13 15:51:03,411 INFO L87 Difference]: Start difference. First operand 112409 states and 191489 transitions. Second operand has 10 states, 10 states have (on average 10.9) internal successors, (109), 5 states have internal predecessors, (109), 2 states have call successors, (22), 7 states have call predecessors, (22), 2 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2022-12-13 15:51:15,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:51:15,780 INFO L93 Difference]: Finished difference Result 216473 states and 376614 transitions. [2022-12-13 15:51:15,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-12-13 15:51:15,780 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.9) internal successors, (109), 5 states have internal predecessors, (109), 2 states have call successors, (22), 7 states have call predecessors, (22), 2 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) Word has length 172 [2022-12-13 15:51:15,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:51:16,534 INFO L225 Difference]: With dead ends: 216473 [2022-12-13 15:51:16,535 INFO L226 Difference]: Without dead ends: 216320 [2022-12-13 15:51:16,592 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 158 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=208, Invalid=548, Unknown=0, NotChecked=0, Total=756 [2022-12-13 15:51:16,593 INFO L413 NwaCegarLoop]: 260 mSDtfsCounter, 2494 mSDsluCounter, 1405 mSDsCounter, 0 mSdLazyCounter, 3294 mSolverCounterSat, 965 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2511 SdHoareTripleChecker+Valid, 1665 SdHoareTripleChecker+Invalid, 4259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 965 IncrementalHoareTripleChecker+Valid, 3294 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-12-13 15:51:16,593 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2511 Valid, 1665 Invalid, 4259 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [965 Valid, 3294 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-12-13 15:51:16,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216320 states. [2022-12-13 15:51:29,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216320 to 216140. [2022-12-13 15:51:29,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216140 states, 180381 states have (on average 1.6253374801115417) internal successors, (293180), 180337 states have internal predecessors, (293180), 35708 states have call successors, (35708), 45 states have call predecessors, (35708), 50 states have return successors, (38991), 35761 states have call predecessors, (38991), 35706 states have call successors, (38991) [2022-12-13 15:51:30,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216140 states to 216140 states and 367879 transitions. [2022-12-13 15:51:30,527 INFO L78 Accepts]: Start accepts. Automaton has 216140 states and 367879 transitions. Word has length 172 [2022-12-13 15:51:30,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:51:30,528 INFO L495 AbstractCegarLoop]: Abstraction has 216140 states and 367879 transitions. [2022-12-13 15:51:30,528 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.9) internal successors, (109), 5 states have internal predecessors, (109), 2 states have call successors, (22), 7 states have call predecessors, (22), 2 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2022-12-13 15:51:30,528 INFO L276 IsEmpty]: Start isEmpty. Operand 216140 states and 367879 transitions. [2022-12-13 15:51:30,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2022-12-13 15:51:30,618 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:51:30,618 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:51:30,618 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-12-13 15:51:30,619 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 15:51:30,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:51:30,619 INFO L85 PathProgramCache]: Analyzing trace with hash 1292228639, now seen corresponding path program 1 times [2022-12-13 15:51:30,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:51:30,619 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576618439] [2022-12-13 15:51:30,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:51:30,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:51:30,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:51:30,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:51:30,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:51:30,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 15:51:30,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:51:30,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 15:51:30,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:51:30,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 15:51:30,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:51:30,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 15:51:30,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:51:30,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-12-13 15:51:30,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:51:30,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-12-13 15:51:30,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:51:30,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 15:51:30,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:51:30,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 15:51:30,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:51:30,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-12-13 15:51:30,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:51:30,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-12-13 15:51:30,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:51:30,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 15:51:30,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:51:30,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-12-13 15:51:30,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:51:30,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-12-13 15:51:30,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:51:30,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-12-13 15:51:30,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:51:30,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-12-13 15:51:30,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:51:30,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-12-13 15:51:30,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:51:30,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-12-13 15:51:30,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:51:30,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-12-13 15:51:30,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:51:30,867 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-12-13 15:51:30,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:51:30,867 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [576618439] [2022-12-13 15:51:30,867 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [576618439] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:51:30,867 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:51:30,867 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-12-13 15:51:30,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956023877] [2022-12-13 15:51:30,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:51:30,868 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-12-13 15:51:30,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:51:30,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-13 15:51:30,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2022-12-13 15:51:30,869 INFO L87 Difference]: Start difference. First operand 216140 states and 367879 transitions. Second operand has 13 states, 12 states have (on average 9.166666666666666) internal successors, (110), 7 states have internal predecessors, (110), 4 states have call successors, (22), 8 states have call predecessors, (22), 2 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2022-12-13 15:51:43,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:51:43,562 INFO L93 Difference]: Finished difference Result 216660 states and 374934 transitions. [2022-12-13 15:51:43,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-12-13 15:51:43,562 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 9.166666666666666) internal successors, (110), 7 states have internal predecessors, (110), 4 states have call successors, (22), 8 states have call predecessors, (22), 2 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) Word has length 173 [2022-12-13 15:51:43,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:51:44,414 INFO L225 Difference]: With dead ends: 216660 [2022-12-13 15:51:44,414 INFO L226 Difference]: Without dead ends: 216336 [2022-12-13 15:51:44,483 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 153 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=222, Invalid=708, Unknown=0, NotChecked=0, Total=930 [2022-12-13 15:51:44,484 INFO L413 NwaCegarLoop]: 198 mSDtfsCounter, 1603 mSDsluCounter, 1558 mSDsCounter, 0 mSdLazyCounter, 3714 mSolverCounterSat, 752 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1622 SdHoareTripleChecker+Valid, 1756 SdHoareTripleChecker+Invalid, 4466 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 752 IncrementalHoareTripleChecker+Valid, 3714 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-12-13 15:51:44,484 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1622 Valid, 1756 Invalid, 4466 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [752 Valid, 3714 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-12-13 15:51:44,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216336 states. [2022-12-13 15:51:58,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216336 to 216165. [2022-12-13 15:51:58,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216165 states, 180393 states have (on average 1.6253014252215996) internal successors, (293193), 180352 states have internal predecessors, (293193), 35719 states have call successors, (35719), 47 states have call predecessors, (35719), 52 states have return successors, (39000), 35769 states have call predecessors, (39000), 35713 states have call successors, (39000) [2022-12-13 15:51:59,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216165 states to 216165 states and 367912 transitions. [2022-12-13 15:51:59,011 INFO L78 Accepts]: Start accepts. Automaton has 216165 states and 367912 transitions. Word has length 173 [2022-12-13 15:51:59,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:51:59,012 INFO L495 AbstractCegarLoop]: Abstraction has 216165 states and 367912 transitions. [2022-12-13 15:51:59,012 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 9.166666666666666) internal successors, (110), 7 states have internal predecessors, (110), 4 states have call successors, (22), 8 states have call predecessors, (22), 2 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2022-12-13 15:51:59,012 INFO L276 IsEmpty]: Start isEmpty. Operand 216165 states and 367912 transitions. [2022-12-13 15:51:59,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2022-12-13 15:51:59,083 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:51:59,083 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:51:59,084 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-12-13 15:51:59,084 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 15:51:59,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:51:59,084 INFO L85 PathProgramCache]: Analyzing trace with hash 464307672, now seen corresponding path program 1 times [2022-12-13 15:51:59,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:51:59,084 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489836120] [2022-12-13 15:51:59,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:51:59,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:51:59,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:51:59,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:51:59,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:51:59,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 15:51:59,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:51:59,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 15:51:59,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:51:59,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 15:51:59,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:51:59,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 15:51:59,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:51:59,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-12-13 15:51:59,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:51:59,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-12-13 15:51:59,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:51:59,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 15:51:59,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:51:59,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 15:51:59,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:51:59,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-12-13 15:51:59,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:51:59,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 15:51:59,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:51:59,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-12-13 15:51:59,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:51:59,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-12-13 15:51:59,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:51:59,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-12-13 15:51:59,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:51:59,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-12-13 15:51:59,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:51:59,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-12-13 15:51:59,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:51:59,346 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-12-13 15:51:59,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:51:59,346 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489836120] [2022-12-13 15:51:59,346 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1489836120] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 15:51:59,347 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [398724808] [2022-12-13 15:51:59,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:51:59,347 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 15:51:59,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d3dd53d-a6f0-41f5-a625-0435da7c2c92/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:51:59,348 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d3dd53d-a6f0-41f5-a625-0435da7c2c92/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 15:51:59,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d3dd53d-a6f0-41f5-a625-0435da7c2c92/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-12-13 15:51:59,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:51:59,534 INFO L263 TraceCheckSpWp]: Trace formula consists of 1207 conjuncts, 19 conjunts are in the unsatisfiable core [2022-12-13 15:51:59,537 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:51:59,890 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-12-13 15:51:59,890 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 15:51:59,890 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [398724808] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:51:59,890 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 15:51:59,890 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [16] total 26 [2022-12-13 15:51:59,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440459766] [2022-12-13 15:51:59,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:51:59,891 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-13 15:51:59,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:51:59,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-13 15:51:59,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=583, Unknown=0, NotChecked=0, Total=650 [2022-12-13 15:51:59,892 INFO L87 Difference]: Start difference. First operand 216165 states and 367912 transitions. Second operand has 12 states, 11 states have (on average 10.181818181818182) internal successors, (112), 9 states have internal predecessors, (112), 5 states have call successors, (19), 5 states have call predecessors, (19), 6 states have return successors, (16), 6 states have call predecessors, (16), 5 states have call successors, (16) [2022-12-13 15:52:23,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:52:23,848 INFO L93 Difference]: Finished difference Result 431283 states and 744430 transitions. [2022-12-13 15:52:23,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-13 15:52:23,848 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 10.181818181818182) internal successors, (112), 9 states have internal predecessors, (112), 5 states have call successors, (19), 5 states have call predecessors, (19), 6 states have return successors, (16), 6 states have call predecessors, (16), 5 states have call successors, (16) Word has length 153 [2022-12-13 15:52:23,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:52:25,514 INFO L225 Difference]: With dead ends: 431283 [2022-12-13 15:52:25,515 INFO L226 Difference]: Without dead ends: 430965 [2022-12-13 15:52:25,645 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=158, Invalid=1102, Unknown=0, NotChecked=0, Total=1260 [2022-12-13 15:52:25,645 INFO L413 NwaCegarLoop]: 696 mSDtfsCounter, 969 mSDsluCounter, 5078 mSDsCounter, 0 mSdLazyCounter, 1429 mSolverCounterSat, 192 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 975 SdHoareTripleChecker+Valid, 5774 SdHoareTripleChecker+Invalid, 1621 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 192 IncrementalHoareTripleChecker+Valid, 1429 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-12-13 15:52:25,645 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [975 Valid, 5774 Invalid, 1621 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [192 Valid, 1429 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-12-13 15:52:25,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 430965 states. [2022-12-13 15:52:52,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 430965 to 430841. [2022-12-13 15:52:53,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 430841 states, 359608 states have (on average 1.625647927743543) internal successors, (584596), 359387 states have internal predecessors, (584596), 71097 states have call successors, (71097), 123 states have call predecessors, (71097), 135 states have return successors, (85944), 71342 states have call predecessors, (85944), 71079 states have call successors, (85944) [2022-12-13 15:52:54,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430841 states to 430841 states and 741637 transitions. [2022-12-13 15:52:54,794 INFO L78 Accepts]: Start accepts. Automaton has 430841 states and 741637 transitions. Word has length 153 [2022-12-13 15:52:54,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:52:54,795 INFO L495 AbstractCegarLoop]: Abstraction has 430841 states and 741637 transitions. [2022-12-13 15:52:54,795 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 10.181818181818182) internal successors, (112), 9 states have internal predecessors, (112), 5 states have call successors, (19), 5 states have call predecessors, (19), 6 states have return successors, (16), 6 states have call predecessors, (16), 5 states have call successors, (16) [2022-12-13 15:52:54,795 INFO L276 IsEmpty]: Start isEmpty. Operand 430841 states and 741637 transitions. [2022-12-13 15:52:55,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2022-12-13 15:52:55,050 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:52:55,050 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:52:55,056 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d3dd53d-a6f0-41f5-a625-0435da7c2c92/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-12-13 15:52:55,251 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d3dd53d-a6f0-41f5-a625-0435da7c2c92/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 15:52:55,252 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 15:52:55,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:52:55,253 INFO L85 PathProgramCache]: Analyzing trace with hash 1963994945, now seen corresponding path program 1 times [2022-12-13 15:52:55,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:52:55,253 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626331007] [2022-12-13 15:52:55,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:52:55,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:52:55,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:52:55,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:52:55,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:52:55,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 15:52:55,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:52:55,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 15:52:55,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:52:55,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 15:52:55,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:52:55,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 15:52:55,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:52:55,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-12-13 15:52:55,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:52:55,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-12-13 15:52:55,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:52:55,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 15:52:55,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:52:55,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 15:52:55,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:52:55,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-12-13 15:52:55,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:52:55,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 15:52:55,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:52:55,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-12-13 15:52:55,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:52:55,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-12-13 15:52:55,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:52:55,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-12-13 15:52:55,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:52:55,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-12-13 15:52:55,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:52:55,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-12-13 15:52:55,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:52:55,447 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-12-13 15:52:55,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:52:55,447 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626331007] [2022-12-13 15:52:55,447 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1626331007] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:52:55,447 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:52:55,447 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-12-13 15:52:55,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276933995] [2022-12-13 15:52:55,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:52:55,448 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-12-13 15:52:55,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:52:55,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-12-13 15:52:55,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2022-12-13 15:52:55,448 INFO L87 Difference]: Start difference. First operand 430841 states and 741637 transitions. Second operand has 14 states, 14 states have (on average 7.357142857142857) internal successors, (103), 7 states have internal predecessors, (103), 5 states have call successors, (19), 8 states have call predecessors, (19), 1 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) [2022-12-13 15:53:21,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:53:21,820 INFO L93 Difference]: Finished difference Result 433312 states and 757848 transitions. [2022-12-13 15:53:21,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-12-13 15:53:21,820 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 7.357142857142857) internal successors, (103), 7 states have internal predecessors, (103), 5 states have call successors, (19), 8 states have call predecessors, (19), 1 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) Word has length 154 [2022-12-13 15:53:21,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:53:23,337 INFO L225 Difference]: With dead ends: 433312 [2022-12-13 15:53:23,337 INFO L226 Difference]: Without dead ends: 432354 [2022-12-13 15:53:23,475 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 229 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=281, Invalid=979, Unknown=0, NotChecked=0, Total=1260 [2022-12-13 15:53:23,476 INFO L413 NwaCegarLoop]: 198 mSDtfsCounter, 2228 mSDsluCounter, 1724 mSDsCounter, 0 mSdLazyCounter, 4478 mSolverCounterSat, 1198 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2246 SdHoareTripleChecker+Valid, 1922 SdHoareTripleChecker+Invalid, 5676 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1198 IncrementalHoareTripleChecker+Valid, 4478 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-12-13 15:53:23,476 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2246 Valid, 1922 Invalid, 5676 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1198 Valid, 4478 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-12-13 15:53:23,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 432354 states. [2022-12-13 15:53:51,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 432354 to 431168. [2022-12-13 15:53:52,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 431168 states, 359833 states have (on average 1.625440134729166) internal successors, (584887), 359623 states have internal predecessors, (584887), 71191 states have call successors, (71191), 129 states have call predecessors, (71191), 143 states have return successors, (86050), 71439 states have call predecessors, (86050), 71173 states have call successors, (86050) [2022-12-13 15:53:53,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431168 states to 431168 states and 742128 transitions. [2022-12-13 15:53:53,776 INFO L78 Accepts]: Start accepts. Automaton has 431168 states and 742128 transitions. Word has length 154 [2022-12-13 15:53:53,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:53:53,777 INFO L495 AbstractCegarLoop]: Abstraction has 431168 states and 742128 transitions. [2022-12-13 15:53:53,777 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 7.357142857142857) internal successors, (103), 7 states have internal predecessors, (103), 5 states have call successors, (19), 8 states have call predecessors, (19), 1 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) [2022-12-13 15:53:53,777 INFO L276 IsEmpty]: Start isEmpty. Operand 431168 states and 742128 transitions. [2022-12-13 15:53:53,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2022-12-13 15:53:53,931 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:53:53,931 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:53:53,931 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-12-13 15:53:53,932 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 15:53:53,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:53:53,932 INFO L85 PathProgramCache]: Analyzing trace with hash 87064601, now seen corresponding path program 1 times [2022-12-13 15:53:53,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:53:53,932 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313201238] [2022-12-13 15:53:53,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:53:53,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:53:53,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:53:54,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:53:54,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:53:54,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 15:53:54,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:53:54,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 15:53:54,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:53:54,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 15:53:54,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:53:54,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 15:53:54,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:53:54,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-12-13 15:53:54,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:53:54,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-12-13 15:53:54,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:53:54,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 15:53:54,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:53:54,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 15:53:54,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:53:54,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-12-13 15:53:54,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:53:54,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 15:53:54,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:53:54,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-12-13 15:53:54,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:53:54,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-12-13 15:53:54,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:53:54,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-12-13 15:53:54,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:53:54,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-12-13 15:53:54,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:53:54,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-12-13 15:53:54,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:53:54,045 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-12-13 15:53:54,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:53:54,045 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313201238] [2022-12-13 15:53:54,045 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1313201238] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:53:54,045 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:53:54,045 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 15:53:54,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911807745] [2022-12-13 15:53:54,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:53:54,046 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-13 15:53:54,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:53:54,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-13 15:53:54,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-12-13 15:53:54,047 INFO L87 Difference]: Start difference. First operand 431168 states and 742128 transitions. Second operand has 8 states, 8 states have (on average 12.875) internal successors, (103), 4 states have internal predecessors, (103), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-12-13 15:54:32,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:54:32,821 INFO L93 Difference]: Finished difference Result 649689 states and 1152932 transitions. [2022-12-13 15:54:32,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-12-13 15:54:32,822 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.875) internal successors, (103), 4 states have internal predecessors, (103), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 154 [2022-12-13 15:54:32,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:54:35,490 INFO L225 Difference]: With dead ends: 649689 [2022-12-13 15:54:35,490 INFO L226 Difference]: Without dead ends: 648838 [2022-12-13 15:54:35,719 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=153, Invalid=353, Unknown=0, NotChecked=0, Total=506 [2022-12-13 15:54:35,720 INFO L413 NwaCegarLoop]: 285 mSDtfsCounter, 2932 mSDsluCounter, 1110 mSDsCounter, 0 mSdLazyCounter, 2298 mSolverCounterSat, 1332 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2946 SdHoareTripleChecker+Valid, 1395 SdHoareTripleChecker+Invalid, 3630 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1332 IncrementalHoareTripleChecker+Valid, 2298 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-12-13 15:54:35,720 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2946 Valid, 1395 Invalid, 3630 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1332 Valid, 2298 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-12-13 15:54:36,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 648838 states. [2022-12-13 15:55:18,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 648838 to 646057. [2022-12-13 15:55:19,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 646057 states, 539192 states have (on average 1.625515586284663) internal successors, (876465), 538810 states have internal predecessors, (876465), 106633 states have call successors, (106633), 207 states have call predecessors, (106633), 231 states have return successors, (143395), 107079 states have call predecessors, (143395), 106603 states have call successors, (143395) [2022-12-13 15:55:21,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646057 states to 646057 states and 1126493 transitions. [2022-12-13 15:55:21,924 INFO L78 Accepts]: Start accepts. Automaton has 646057 states and 1126493 transitions. Word has length 154 [2022-12-13 15:55:21,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:55:21,924 INFO L495 AbstractCegarLoop]: Abstraction has 646057 states and 1126493 transitions. [2022-12-13 15:55:21,924 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.875) internal successors, (103), 4 states have internal predecessors, (103), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-12-13 15:55:21,924 INFO L276 IsEmpty]: Start isEmpty. Operand 646057 states and 1126493 transitions. [2022-12-13 15:55:22,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2022-12-13 15:55:22,163 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:55:22,163 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:55:22,163 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-12-13 15:55:22,164 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 15:55:22,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:55:22,164 INFO L85 PathProgramCache]: Analyzing trace with hash 2015337303, now seen corresponding path program 1 times [2022-12-13 15:55:22,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:55:22,164 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314338187] [2022-12-13 15:55:22,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:55:22,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:55:22,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:55:22,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:55:22,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:55:22,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 15:55:22,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:55:22,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 15:55:22,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:55:22,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 15:55:22,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:55:22,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 15:55:22,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:55:22,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-12-13 15:55:22,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:55:22,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-12-13 15:55:22,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:55:22,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 15:55:22,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:55:22,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 15:55:22,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:55:22,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-12-13 15:55:22,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:55:22,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 15:55:22,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:55:22,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-12-13 15:55:22,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:55:22,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-12-13 15:55:22,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:55:22,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-12-13 15:55:22,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:55:22,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-12-13 15:55:22,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:55:22,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-12-13 15:55:22,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:55:22,347 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-12-13 15:55:22,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:55:22,348 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314338187] [2022-12-13 15:55:22,348 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1314338187] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:55:22,348 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:55:22,348 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-13 15:55:22,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858334568] [2022-12-13 15:55:22,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:55:22,348 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-13 15:55:22,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:55:22,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-13 15:55:22,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-12-13 15:55:22,349 INFO L87 Difference]: Start difference. First operand 646057 states and 1126493 transitions. Second operand has 10 states, 10 states have (on average 10.3) internal successors, (103), 5 states have internal predecessors, (103), 3 states have call successors, (19), 6 states have call predecessors, (19), 2 states have return successors, (16), 4 states have call predecessors, (16), 3 states have call successors, (16) [2022-12-13 15:56:06,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:56:06,095 INFO L93 Difference]: Finished difference Result 657167 states and 1162644 transitions. [2022-12-13 15:56:06,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-12-13 15:56:06,096 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.3) internal successors, (103), 5 states have internal predecessors, (103), 3 states have call successors, (19), 6 states have call predecessors, (19), 2 states have return successors, (16), 4 states have call predecessors, (16), 3 states have call successors, (16) Word has length 154 [2022-12-13 15:56:06,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:56:08,875 INFO L225 Difference]: With dead ends: 657167 [2022-12-13 15:56:08,875 INFO L226 Difference]: Without dead ends: 655140 [2022-12-13 15:56:09,113 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 360 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=359, Invalid=973, Unknown=0, NotChecked=0, Total=1332 [2022-12-13 15:56:09,114 INFO L413 NwaCegarLoop]: 206 mSDtfsCounter, 2866 mSDsluCounter, 1064 mSDsCounter, 0 mSdLazyCounter, 3913 mSolverCounterSat, 1580 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2883 SdHoareTripleChecker+Valid, 1270 SdHoareTripleChecker+Invalid, 5493 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1580 IncrementalHoareTripleChecker+Valid, 3913 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-12-13 15:56:09,114 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2883 Valid, 1270 Invalid, 5493 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1580 Valid, 3913 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-12-13 15:56:09,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 655140 states. [2022-12-13 15:56:55,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 655140 to 651427. [2022-12-13 15:56:56,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 651427 states, 543113 states have (on average 1.6239990572864211) internal successors, (882015), 542878 states have internal predecessors, (882015), 107591 states have call successors, (107591), 582 states have call predecessors, (107591), 722 states have return successors, (144789), 108091 states have call predecessors, (144789), 107471 states have call successors, (144789) [2022-12-13 15:56:58,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651427 states to 651427 states and 1134395 transitions. [2022-12-13 15:56:58,479 INFO L78 Accepts]: Start accepts. Automaton has 651427 states and 1134395 transitions. Word has length 154 [2022-12-13 15:56:58,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:56:58,479 INFO L495 AbstractCegarLoop]: Abstraction has 651427 states and 1134395 transitions. [2022-12-13 15:56:58,479 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.3) internal successors, (103), 5 states have internal predecessors, (103), 3 states have call successors, (19), 6 states have call predecessors, (19), 2 states have return successors, (16), 4 states have call predecessors, (16), 3 states have call successors, (16) [2022-12-13 15:56:58,480 INFO L276 IsEmpty]: Start isEmpty. Operand 651427 states and 1134395 transitions. [2022-12-13 15:56:58,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2022-12-13 15:56:58,966 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:56:58,966 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:56:58,966 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-12-13 15:56:58,966 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 15:56:58,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:56:58,967 INFO L85 PathProgramCache]: Analyzing trace with hash -1901808083, now seen corresponding path program 1 times [2022-12-13 15:56:58,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:56:58,967 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746918264] [2022-12-13 15:56:58,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:56:58,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:56:58,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:56:59,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:56:59,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:56:59,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 15:56:59,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:56:59,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 15:56:59,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:56:59,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 15:56:59,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:56:59,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 15:56:59,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:56:59,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-12-13 15:56:59,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:56:59,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-12-13 15:56:59,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:56:59,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 15:56:59,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:56:59,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 15:56:59,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:56:59,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-12-13 15:56:59,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:56:59,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 15:56:59,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:56:59,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-12-13 15:56:59,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:56:59,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-12-13 15:56:59,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:56:59,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 15:56:59,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:56:59,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-12-13 15:56:59,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:56:59,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-12-13 15:56:59,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:56:59,256 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-12-13 15:56:59,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:56:59,256 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746918264] [2022-12-13 15:56:59,257 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1746918264] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:56:59,257 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:56:59,257 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-12-13 15:56:59,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265995308] [2022-12-13 15:56:59,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:56:59,257 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-12-13 15:56:59,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:56:59,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-12-13 15:56:59,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-12-13 15:56:59,258 INFO L87 Difference]: Start difference. First operand 651427 states and 1134395 transitions. Second operand has 17 states, 15 states have (on average 6.933333333333334) internal successors, (104), 11 states have internal predecessors, (104), 8 states have call successors, (19), 7 states have call predecessors, (19), 2 states have return successors, (16), 6 states have call predecessors, (16), 7 states have call successors, (16) [2022-12-13 15:57:43,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:57:43,213 INFO L93 Difference]: Finished difference Result 661328 states and 1168558 transitions. [2022-12-13 15:57:43,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-12-13 15:57:43,213 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 15 states have (on average 6.933333333333334) internal successors, (104), 11 states have internal predecessors, (104), 8 states have call successors, (19), 7 states have call predecessors, (19), 2 states have return successors, (16), 6 states have call predecessors, (16), 7 states have call successors, (16) Word has length 155 [2022-12-13 15:57:43,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:57:46,005 INFO L225 Difference]: With dead ends: 661328 [2022-12-13 15:57:46,005 INFO L226 Difference]: Without dead ends: 653896 [2022-12-13 15:57:46,268 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 440 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=402, Invalid=1854, Unknown=0, NotChecked=0, Total=2256 [2022-12-13 15:57:46,269 INFO L413 NwaCegarLoop]: 205 mSDtfsCounter, 1683 mSDsluCounter, 2430 mSDsCounter, 0 mSdLazyCounter, 6410 mSolverCounterSat, 884 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1683 SdHoareTripleChecker+Valid, 2635 SdHoareTripleChecker+Invalid, 7294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 884 IncrementalHoareTripleChecker+Valid, 6410 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-12-13 15:57:46,269 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1683 Valid, 2635 Invalid, 7294 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [884 Valid, 6410 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-12-13 15:57:46,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 653896 states. [2022-12-13 15:58:33,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 653896 to 650835. [2022-12-13 15:58:33,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 650835 states, 542729 states have (on average 1.6242747301139242) internal successors, (881541), 542494 states have internal predecessors, (881541), 107400 states have call successors, (107400), 572 states have call predecessors, (107400), 705 states have return successors, (144491), 107883 states have call predecessors, (144491), 107300 states have call successors, (144491) [2022-12-13 15:58:36,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650835 states to 650835 states and 1133432 transitions. [2022-12-13 15:58:36,576 INFO L78 Accepts]: Start accepts. Automaton has 650835 states and 1133432 transitions. Word has length 155 [2022-12-13 15:58:36,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:58:36,576 INFO L495 AbstractCegarLoop]: Abstraction has 650835 states and 1133432 transitions. [2022-12-13 15:58:36,576 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 15 states have (on average 6.933333333333334) internal successors, (104), 11 states have internal predecessors, (104), 8 states have call successors, (19), 7 states have call predecessors, (19), 2 states have return successors, (16), 6 states have call predecessors, (16), 7 states have call successors, (16) [2022-12-13 15:58:36,576 INFO L276 IsEmpty]: Start isEmpty. Operand 650835 states and 1133432 transitions. [2022-12-13 15:58:36,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2022-12-13 15:58:36,969 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:58:36,969 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:58:36,969 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-12-13 15:58:36,969 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 15:58:36,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:58:36,969 INFO L85 PathProgramCache]: Analyzing trace with hash 506955056, now seen corresponding path program 1 times [2022-12-13 15:58:36,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:58:36,970 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368850734] [2022-12-13 15:58:36,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:58:36,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:58:36,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:58:37,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:58:37,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:58:37,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 15:58:37,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:58:37,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 15:58:37,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:58:37,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 15:58:37,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:58:37,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 15:58:37,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:58:37,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-12-13 15:58:37,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:58:37,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-12-13 15:58:37,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:58:37,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 15:58:37,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:58:37,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 15:58:37,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:58:37,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-12-13 15:58:37,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:58:37,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-12-13 15:58:37,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:58:37,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-12-13 15:58:37,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:58:37,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 15:58:37,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:58:37,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-12-13 15:58:37,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:58:37,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-12-13 15:58:37,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:58:37,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-12-13 15:58:37,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:58:37,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-12-13 15:58:37,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:58:37,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-12-13 15:58:37,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:58:37,124 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-12-13 15:58:37,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:58:37,124 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368850734] [2022-12-13 15:58:37,124 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [368850734] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:58:37,124 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:58:37,125 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-13 15:58:37,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286067867] [2022-12-13 15:58:37,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:58:37,125 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-13 15:58:37,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:58:37,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-13 15:58:37,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-12-13 15:58:37,126 INFO L87 Difference]: Start difference. First operand 650835 states and 1133432 transitions. Second operand has 10 states, 10 states have (on average 10.9) internal successors, (109), 4 states have internal predecessors, (109), 2 states have call successors, (21), 7 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-13 15:59:34,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:59:34,309 INFO L93 Difference]: Finished difference Result 687421 states and 1214968 transitions. [2022-12-13 15:59:34,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-12-13 15:59:34,310 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.9) internal successors, (109), 4 states have internal predecessors, (109), 2 states have call successors, (21), 7 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 164 [2022-12-13 15:59:34,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:59:37,283 INFO L225 Difference]: With dead ends: 687421 [2022-12-13 15:59:37,283 INFO L226 Difference]: Without dead ends: 680627 [2022-12-13 15:59:37,763 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 642 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=527, Invalid=1453, Unknown=0, NotChecked=0, Total=1980 [2022-12-13 15:59:37,763 INFO L413 NwaCegarLoop]: 207 mSDtfsCounter, 2364 mSDsluCounter, 1196 mSDsCounter, 0 mSdLazyCounter, 3397 mSolverCounterSat, 1981 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2364 SdHoareTripleChecker+Valid, 1403 SdHoareTripleChecker+Invalid, 5378 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1981 IncrementalHoareTripleChecker+Valid, 3397 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-12-13 15:59:37,763 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2364 Valid, 1403 Invalid, 5378 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1981 Valid, 3397 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-12-13 15:59:38,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 680627 states.