./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/email_spec8_product14.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 791161d1 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/email_spec8_product14.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 db5154a0e253326ecbc6009dd1b2954eaac96f88a97328f2e835902c9850ef53 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-22 17:32:26,922 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 17:32:26,923 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 17:32:26,959 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 17:32:26,959 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 17:32:26,960 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 17:32:26,961 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 17:32:26,963 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 17:32:26,966 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 17:32:26,970 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 17:32:26,970 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 17:32:26,972 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 17:32:26,972 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 17:32:26,974 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 17:32:26,974 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 17:32:26,977 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 17:32:26,977 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 17:32:26,978 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 17:32:26,979 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 17:32:26,984 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 17:32:26,985 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 17:32:26,986 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 17:32:26,986 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 17:32:26,987 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 17:32:26,988 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 17:32:26,993 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 17:32:26,993 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 17:32:26,994 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 17:32:26,995 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 17:32:26,995 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 17:32:26,996 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 17:32:26,996 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 17:32:26,997 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 17:32:26,998 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 17:32:26,998 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 17:32:26,999 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 17:32:27,000 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 17:32:27,000 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 17:32:27,000 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 17:32:27,001 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 17:32:27,001 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 17:32:27,002 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 17:32:27,003 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-22 17:32:27,026 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 17:32:27,026 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 17:32:27,027 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 17:32:27,027 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 17:32:27,027 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-22 17:32:27,028 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-22 17:32:27,028 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 17:32:27,028 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 17:32:27,028 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 17:32:27,029 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 17:32:27,029 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-22 17:32:27,029 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 17:32:27,030 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-22 17:32:27,030 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 17:32:27,030 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-22 17:32:27,030 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-22 17:32:27,030 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-22 17:32:27,030 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-22 17:32:27,031 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 17:32:27,031 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 17:32:27,031 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-22 17:32:27,031 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 17:32:27,031 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 17:32:27,032 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-22 17:32:27,032 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 17:32:27,032 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 17:32:27,032 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-22 17:32:27,032 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-22 17:32:27,032 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 17:32:27,033 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-22 17:32:27,033 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-22 17:32:27,033 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-22 17:32:27,033 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-22 17:32:27,033 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> db5154a0e253326ecbc6009dd1b2954eaac96f88a97328f2e835902c9850ef53 [2022-07-22 17:32:27,225 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 17:32:27,239 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 17:32:27,241 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 17:32:27,241 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 17:32:27,244 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 17:32:27,245 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec8_product14.cil.c [2022-07-22 17:32:27,306 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb9e031b3/947597e0d0bb4072a55c445b17e35e0b/FLAG1d0494a92 [2022-07-22 17:32:27,743 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 17:32:27,744 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec8_product14.cil.c [2022-07-22 17:32:27,770 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb9e031b3/947597e0d0bb4072a55c445b17e35e0b/FLAG1d0494a92 [2022-07-22 17:32:28,265 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb9e031b3/947597e0d0bb4072a55c445b17e35e0b [2022-07-22 17:32:28,268 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 17:32:28,268 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 17:32:28,269 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 17:32:28,270 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 17:32:28,272 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 17:32:28,272 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 05:32:28" (1/1) ... [2022-07-22 17:32:28,273 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63dbc99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:32:28, skipping insertion in model container [2022-07-22 17:32:28,273 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 05:32:28" (1/1) ... [2022-07-22 17:32:28,279 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 17:32:28,316 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 17:32:28,568 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec8_product14.cil.c[17564,17577] [2022-07-22 17:32:28,667 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 17:32:28,673 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 17:32:28,704 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec8_product14.cil.c[17564,17577] [2022-07-22 17:32:28,738 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 17:32:28,757 INFO L208 MainTranslator]: Completed translation [2022-07-22 17:32:28,758 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:32:28 WrapperNode [2022-07-22 17:32:28,758 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 17:32:28,759 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 17:32:28,759 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 17:32:28,759 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 17:32:28,764 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:32:28" (1/1) ... [2022-07-22 17:32:28,781 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:32:28" (1/1) ... [2022-07-22 17:32:28,833 INFO L137 Inliner]: procedures = 126, calls = 210, calls flagged for inlining = 51, calls inlined = 43, statements flattened = 905 [2022-07-22 17:32:28,834 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 17:32:28,834 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 17:32:28,834 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 17:32:28,834 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 17:32:28,840 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:32:28" (1/1) ... [2022-07-22 17:32:28,841 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:32:28" (1/1) ... [2022-07-22 17:32:28,857 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:32:28" (1/1) ... [2022-07-22 17:32:28,857 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:32:28" (1/1) ... [2022-07-22 17:32:28,879 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:32:28" (1/1) ... [2022-07-22 17:32:28,900 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:32:28" (1/1) ... [2022-07-22 17:32:28,904 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:32:28" (1/1) ... [2022-07-22 17:32:28,909 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 17:32:28,910 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 17:32:28,910 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 17:32:28,910 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 17:32:28,911 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:32:28" (1/1) ... [2022-07-22 17:32:28,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 17:32:28,958 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 17:32:28,992 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-22 17:32:29,010 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-22 17:32:29,023 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2022-07-22 17:32:29,023 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2022-07-22 17:32:29,023 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2022-07-22 17:32:29,023 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2022-07-22 17:32:29,023 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2022-07-22 17:32:29,024 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2022-07-22 17:32:29,024 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2022-07-22 17:32:29,024 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2022-07-22 17:32:29,024 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2022-07-22 17:32:29,024 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2022-07-22 17:32:29,024 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2022-07-22 17:32:29,024 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2022-07-22 17:32:29,025 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2022-07-22 17:32:29,025 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2022-07-22 17:32:29,025 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2022-07-22 17:32:29,025 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2022-07-22 17:32:29,025 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2022-07-22 17:32:29,025 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2022-07-22 17:32:29,025 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2022-07-22 17:32:29,025 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2022-07-22 17:32:29,026 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2022-07-22 17:32:29,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 17:32:29,026 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2022-07-22 17:32:29,026 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2022-07-22 17:32:29,026 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2022-07-22 17:32:29,026 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2022-07-22 17:32:29,026 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2022-07-22 17:32:29,027 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2022-07-22 17:32:29,027 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2022-07-22 17:32:29,027 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2022-07-22 17:32:29,027 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2022-07-22 17:32:29,027 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2022-07-22 17:32:29,027 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2022-07-22 17:32:29,027 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2022-07-22 17:32:29,027 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2022-07-22 17:32:29,028 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2022-07-22 17:32:29,028 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2022-07-22 17:32:29,028 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2022-07-22 17:32:29,028 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2022-07-22 17:32:29,028 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2022-07-22 17:32:29,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-22 17:32:29,028 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2022-07-22 17:32:29,028 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2022-07-22 17:32:29,028 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2022-07-22 17:32:29,029 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2022-07-22 17:32:29,029 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 17:32:29,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 17:32:29,215 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 17:32:29,216 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 17:32:29,686 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 17:32:29,696 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 17:32:29,697 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-22 17:32:29,699 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 05:32:29 BoogieIcfgContainer [2022-07-22 17:32:29,699 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 17:32:29,702 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-22 17:32:29,702 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-22 17:32:29,704 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-22 17:32:29,705 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.07 05:32:28" (1/3) ... [2022-07-22 17:32:29,705 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a84a736 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 05:32:29, skipping insertion in model container [2022-07-22 17:32:29,705 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:32:28" (2/3) ... [2022-07-22 17:32:29,705 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a84a736 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 05:32:29, skipping insertion in model container [2022-07-22 17:32:29,706 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 05:32:29" (3/3) ... [2022-07-22 17:32:29,707 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec8_product14.cil.c [2022-07-22 17:32:29,717 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-22 17:32:29,717 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-22 17:32:29,770 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-22 17:32:29,776 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=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@582829a9, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@31080258 [2022-07-22 17:32:29,776 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-22 17:32:29,789 INFO L276 IsEmpty]: Start isEmpty. Operand has 343 states, 268 states have (on average 1.585820895522388) internal successors, (425), 273 states have internal predecessors, (425), 52 states have call successors, (52), 21 states have call predecessors, (52), 21 states have return successors, (52), 51 states have call predecessors, (52), 52 states have call successors, (52) [2022-07-22 17:32:29,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-07-22 17:32:29,813 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:32:29,813 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 17:32:29,814 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:32:29,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:32:29,819 INFO L85 PathProgramCache]: Analyzing trace with hash 363460128, now seen corresponding path program 1 times [2022-07-22 17:32:29,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:32:29,827 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824687117] [2022-07-22 17:32:29,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:32:29,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:32:30,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:30,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 17:32:30,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:30,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-22 17:32:30,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:30,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-22 17:32:30,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:30,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-22 17:32:30,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:30,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-22 17:32:30,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:30,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-22 17:32:30,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:30,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-22 17:32:30,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:30,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-22 17:32:30,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:30,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-22 17:32:30,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:30,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-22 17:32:30,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:30,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-22 17:32:30,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:30,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-22 17:32:30,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:30,274 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-07-22 17:32:30,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:32:30,276 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824687117] [2022-07-22 17:32:30,277 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1824687117] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 17:32:30,277 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1751322060] [2022-07-22 17:32:30,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:32:30,278 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 17:32:30,278 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 17:32:30,279 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-22 17:32:30,291 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-22 17:32:30,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:30,517 INFO L263 TraceCheckSpWp]: Trace formula consists of 998 conjuncts, 1 conjunts are in the unsatisfiable core [2022-07-22 17:32:30,524 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 17:32:30,541 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-07-22 17:32:30,542 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 17:32:30,542 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1751322060] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:32:30,542 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-22 17:32:30,556 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 9 [2022-07-22 17:32:30,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109640169] [2022-07-22 17:32:30,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:32:30,561 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-22 17:32:30,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:32:30,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-22 17:32:30,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-22 17:32:30,580 INFO L87 Difference]: Start difference. First operand has 343 states, 268 states have (on average 1.585820895522388) internal successors, (425), 273 states have internal predecessors, (425), 52 states have call successors, (52), 21 states have call predecessors, (52), 21 states have return successors, (52), 51 states have call predecessors, (52), 52 states have call successors, (52) Second operand has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-07-22 17:32:30,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:32:30,615 INFO L93 Difference]: Finished difference Result 498 states and 756 transitions. [2022-07-22 17:32:30,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-22 17:32:30,620 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 98 [2022-07-22 17:32:30,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:32:30,636 INFO L225 Difference]: With dead ends: 498 [2022-07-22 17:32:30,638 INFO L226 Difference]: Without dead ends: 336 [2022-07-22 17:32:30,642 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-22 17:32:30,645 INFO L413 NwaCegarLoop]: 525 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, 525 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 [2022-07-22 17:32:30,646 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 525 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 17:32:30,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2022-07-22 17:32:30,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 336. [2022-07-22 17:32:30,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 336 states, 262 states have (on average 1.5801526717557253) internal successors, (414), 266 states have internal predecessors, (414), 52 states have call successors, (52), 21 states have call predecessors, (52), 21 states have return successors, (51), 50 states have call predecessors, (51), 51 states have call successors, (51) [2022-07-22 17:32:30,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 336 states and 517 transitions. [2022-07-22 17:32:30,701 INFO L78 Accepts]: Start accepts. Automaton has 336 states and 517 transitions. Word has length 98 [2022-07-22 17:32:30,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:32:30,703 INFO L495 AbstractCegarLoop]: Abstraction has 336 states and 517 transitions. [2022-07-22 17:32:30,703 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-07-22 17:32:30,704 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 517 transitions. [2022-07-22 17:32:30,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-07-22 17:32:30,709 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:32:30,709 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 17:32:30,728 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-22 17:32:30,926 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-07-22 17:32:30,926 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:32:30,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:32:30,927 INFO L85 PathProgramCache]: Analyzing trace with hash 1382784013, now seen corresponding path program 1 times [2022-07-22 17:32:30,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:32:30,927 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807669340] [2022-07-22 17:32:30,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:32:30,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:32:30,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:31,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 17:32:31,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:31,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-22 17:32:31,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:31,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-22 17:32:31,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:31,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-22 17:32:31,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:31,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-22 17:32:31,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:31,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-22 17:32:31,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:31,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-22 17:32:31,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:31,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-07-22 17:32:31,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:31,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-22 17:32:31,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:31,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-22 17:32:31,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:31,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-22 17:32:31,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:31,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-22 17:32:31,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:31,082 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-07-22 17:32:31,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:32:31,082 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807669340] [2022-07-22 17:32:31,083 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [807669340] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 17:32:31,083 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [299675500] [2022-07-22 17:32:31,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:32:31,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 17:32:31,083 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 17:32:31,084 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-22 17:32:31,097 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-22 17:32:31,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:31,329 INFO L263 TraceCheckSpWp]: Trace formula consists of 999 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 17:32:31,332 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 17:32:31,348 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-07-22 17:32:31,349 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 17:32:31,349 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [299675500] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:32:31,349 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-22 17:32:31,349 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2022-07-22 17:32:31,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139910405] [2022-07-22 17:32:31,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:32:31,350 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 17:32:31,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:32:31,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 17:32:31,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-07-22 17:32:31,352 INFO L87 Difference]: Start difference. First operand 336 states and 517 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-07-22 17:32:31,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:32:31,385 INFO L93 Difference]: Finished difference Result 488 states and 734 transitions. [2022-07-22 17:32:31,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 17:32:31,386 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 99 [2022-07-22 17:32:31,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:32:31,388 INFO L225 Difference]: With dead ends: 488 [2022-07-22 17:32:31,388 INFO L226 Difference]: Without dead ends: 339 [2022-07-22 17:32:31,389 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-07-22 17:32:31,390 INFO L413 NwaCegarLoop]: 515 mSDtfsCounter, 1 mSDsluCounter, 513 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1028 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 [2022-07-22 17:32:31,390 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1028 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 17:32:31,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2022-07-22 17:32:31,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 338. [2022-07-22 17:32:31,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 338 states, 264 states have (on average 1.5757575757575757) internal successors, (416), 268 states have internal predecessors, (416), 52 states have call successors, (52), 21 states have call predecessors, (52), 21 states have return successors, (51), 50 states have call predecessors, (51), 51 states have call successors, (51) [2022-07-22 17:32:31,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 519 transitions. [2022-07-22 17:32:31,406 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 519 transitions. Word has length 99 [2022-07-22 17:32:31,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:32:31,409 INFO L495 AbstractCegarLoop]: Abstraction has 338 states and 519 transitions. [2022-07-22 17:32:31,409 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-07-22 17:32:31,409 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 519 transitions. [2022-07-22 17:32:31,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-07-22 17:32:31,412 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:32:31,412 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 17:32:31,434 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-22 17:32:31,631 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2022-07-22 17:32:31,632 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:32:31,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:32:31,632 INFO L85 PathProgramCache]: Analyzing trace with hash 1526113252, now seen corresponding path program 1 times [2022-07-22 17:32:31,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:32:31,632 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109738071] [2022-07-22 17:32:31,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:32:31,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:32:31,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:31,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 17:32:31,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:31,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-22 17:32:31,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:31,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-22 17:32:31,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:31,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-22 17:32:31,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:31,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-22 17:32:31,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:31,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-22 17:32:31,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:31,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-22 17:32:31,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:31,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-22 17:32:31,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:31,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-07-22 17:32:31,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:31,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-22 17:32:31,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:31,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-22 17:32:31,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:31,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-22 17:32:31,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:31,762 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-07-22 17:32:31,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:32:31,762 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [109738071] [2022-07-22 17:32:31,762 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [109738071] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 17:32:31,763 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1457418860] [2022-07-22 17:32:31,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:32:31,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 17:32:31,763 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 17:32:31,764 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-22 17:32:31,765 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-22 17:32:31,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:31,968 INFO L263 TraceCheckSpWp]: Trace formula consists of 1013 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-22 17:32:31,970 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 17:32:31,984 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-07-22 17:32:31,985 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 17:32:31,985 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1457418860] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:32:31,985 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-22 17:32:31,985 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2022-07-22 17:32:31,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143877186] [2022-07-22 17:32:31,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:32:31,986 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 17:32:31,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:32:31,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 17:32:31,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-07-22 17:32:31,987 INFO L87 Difference]: Start difference. First operand 338 states and 519 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-07-22 17:32:32,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:32:32,005 INFO L93 Difference]: Finished difference Result 719 states and 1122 transitions. [2022-07-22 17:32:32,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 17:32:32,005 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 105 [2022-07-22 17:32:32,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:32:32,008 INFO L225 Difference]: With dead ends: 719 [2022-07-22 17:32:32,008 INFO L226 Difference]: Without dead ends: 408 [2022-07-22 17:32:32,009 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-07-22 17:32:32,009 INFO L413 NwaCegarLoop]: 540 mSDtfsCounter, 126 mSDsluCounter, 472 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 1012 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 [2022-07-22 17:32:32,010 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 1012 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 17:32:32,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2022-07-22 17:32:32,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 400. [2022-07-22 17:32:32,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 400 states, 312 states have (on average 1.5929487179487178) internal successors, (497), 316 states have internal predecessors, (497), 66 states have call successors, (66), 21 states have call predecessors, (66), 21 states have return successors, (65), 64 states have call predecessors, (65), 65 states have call successors, (65) [2022-07-22 17:32:32,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 628 transitions. [2022-07-22 17:32:32,026 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 628 transitions. Word has length 105 [2022-07-22 17:32:32,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:32:32,026 INFO L495 AbstractCegarLoop]: Abstraction has 400 states and 628 transitions. [2022-07-22 17:32:32,026 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-07-22 17:32:32,027 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 628 transitions. [2022-07-22 17:32:32,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-07-22 17:32:32,028 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:32:32,029 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 17:32:32,049 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-07-22 17:32:32,247 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 17:32:32,247 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:32:32,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:32:32,248 INFO L85 PathProgramCache]: Analyzing trace with hash 1151846179, now seen corresponding path program 1 times [2022-07-22 17:32:32,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:32:32,248 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124641012] [2022-07-22 17:32:32,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:32:32,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:32:32,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:32,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 17:32:32,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:32,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-22 17:32:32,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:32,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-22 17:32:32,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:32,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-22 17:32:32,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:32,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-22 17:32:32,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:32,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-22 17:32:32,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:32,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-22 17:32:32,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:32,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-22 17:32:32,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:32,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-22 17:32:32,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:32,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-22 17:32:32,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:32,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-22 17:32:32,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:32,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-22 17:32:32,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:32,339 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-07-22 17:32:32,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:32:32,340 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124641012] [2022-07-22 17:32:32,340 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2124641012] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 17:32:32,340 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [90047065] [2022-07-22 17:32:32,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:32:32,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 17:32:32,340 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 17:32:32,342 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-22 17:32:32,343 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-07-22 17:32:32,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:32,532 INFO L263 TraceCheckSpWp]: Trace formula consists of 1020 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-22 17:32:32,536 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 17:32:32,580 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-07-22 17:32:32,581 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 17:32:32,581 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [90047065] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:32:32,581 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-22 17:32:32,581 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2022-07-22 17:32:32,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077031710] [2022-07-22 17:32:32,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:32:32,582 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-22 17:32:32,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:32:32,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-22 17:32:32,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-07-22 17:32:32,583 INFO L87 Difference]: Start difference. First operand 400 states and 628 transitions. Second operand has 5 states, 4 states have (on average 18.0) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2022-07-22 17:32:32,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:32:32,629 INFO L93 Difference]: Finished difference Result 791 states and 1246 transitions. [2022-07-22 17:32:32,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-22 17:32:32,630 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.0) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) Word has length 106 [2022-07-22 17:32:32,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:32:32,632 INFO L225 Difference]: With dead ends: 791 [2022-07-22 17:32:32,632 INFO L226 Difference]: Without dead ends: 402 [2022-07-22 17:32:32,633 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2022-07-22 17:32:32,634 INFO L413 NwaCegarLoop]: 508 mSDtfsCounter, 144 mSDsluCounter, 1357 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 1865 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 [2022-07-22 17:32:32,634 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 1865 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 17:32:32,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 402 states. [2022-07-22 17:32:32,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 402 to 402. [2022-07-22 17:32:32,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 402 states, 313 states have (on average 1.5910543130990416) internal successors, (498), 318 states have internal predecessors, (498), 66 states have call successors, (66), 21 states have call predecessors, (66), 22 states have return successors, (67), 64 states have call predecessors, (67), 65 states have call successors, (67) [2022-07-22 17:32:32,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 631 transitions. [2022-07-22 17:32:32,649 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 631 transitions. Word has length 106 [2022-07-22 17:32:32,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:32:32,650 INFO L495 AbstractCegarLoop]: Abstraction has 402 states and 631 transitions. [2022-07-22 17:32:32,650 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.0) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2022-07-22 17:32:32,650 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 631 transitions. [2022-07-22 17:32:32,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-07-22 17:32:32,652 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:32:32,652 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 17:32:32,672 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-07-22 17:32:32,870 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 17:32:32,870 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:32:32,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:32:32,870 INFO L85 PathProgramCache]: Analyzing trace with hash 800636676, now seen corresponding path program 1 times [2022-07-22 17:32:32,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:32:32,871 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855720786] [2022-07-22 17:32:32,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:32:32,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:32:32,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:32,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 17:32:32,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:32,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-22 17:32:32,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:32,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-22 17:32:32,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:32,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-22 17:32:32,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:32,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-22 17:32:32,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:32,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-22 17:32:32,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:32,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-22 17:32:32,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:32,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-22 17:32:32,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:32,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-22 17:32:32,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:32,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-22 17:32:32,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:32,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-22 17:32:32,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:32,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-07-22 17:32:32,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:32,997 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-07-22 17:32:32,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:32:32,997 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [855720786] [2022-07-22 17:32:32,997 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [855720786] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 17:32:32,997 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [102578047] [2022-07-22 17:32:32,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:32:32,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 17:32:32,998 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 17:32:32,999 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-22 17:32:33,000 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-07-22 17:32:33,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:33,227 INFO L263 TraceCheckSpWp]: Trace formula consists of 1021 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-22 17:32:33,230 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 17:32:33,271 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-07-22 17:32:33,271 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 17:32:33,272 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [102578047] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:32:33,272 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-22 17:32:33,272 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2022-07-22 17:32:33,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439870414] [2022-07-22 17:32:33,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:32:33,273 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-22 17:32:33,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:32:33,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-22 17:32:33,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2022-07-22 17:32:33,273 INFO L87 Difference]: Start difference. First operand 402 states and 631 transitions. Second operand has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-07-22 17:32:33,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:32:33,326 INFO L93 Difference]: Finished difference Result 793 states and 1251 transitions. [2022-07-22 17:32:33,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-22 17:32:33,327 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 107 [2022-07-22 17:32:33,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:32:33,329 INFO L225 Difference]: With dead ends: 793 [2022-07-22 17:32:33,329 INFO L226 Difference]: Without dead ends: 404 [2022-07-22 17:32:33,330 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2022-07-22 17:32:33,331 INFO L413 NwaCegarLoop]: 506 mSDtfsCounter, 143 mSDsluCounter, 1348 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 1854 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 [2022-07-22 17:32:33,331 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 1854 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 17:32:33,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2022-07-22 17:32:33,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 404. [2022-07-22 17:32:33,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 404 states, 314 states have (on average 1.589171974522293) internal successors, (499), 320 states have internal predecessors, (499), 66 states have call successors, (66), 21 states have call predecessors, (66), 23 states have return successors, (72), 64 states have call predecessors, (72), 65 states have call successors, (72) [2022-07-22 17:32:33,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 637 transitions. [2022-07-22 17:32:33,345 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 637 transitions. Word has length 107 [2022-07-22 17:32:33,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:32:33,345 INFO L495 AbstractCegarLoop]: Abstraction has 404 states and 637 transitions. [2022-07-22 17:32:33,345 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-07-22 17:32:33,345 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 637 transitions. [2022-07-22 17:32:33,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-07-22 17:32:33,347 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:32:33,347 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 17:32:33,381 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-07-22 17:32:33,565 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 17:32:33,566 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:32:33,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:32:33,566 INFO L85 PathProgramCache]: Analyzing trace with hash 1770342286, now seen corresponding path program 1 times [2022-07-22 17:32:33,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:32:33,566 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992350492] [2022-07-22 17:32:33,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:32:33,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:32:33,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:33,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 17:32:33,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:33,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-22 17:32:33,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:33,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-22 17:32:33,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:33,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-22 17:32:33,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:33,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-22 17:32:33,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:33,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-22 17:32:33,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:33,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-07-22 17:32:33,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:33,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-22 17:32:33,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:33,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-22 17:32:33,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:33,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-22 17:32:33,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:33,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-22 17:32:33,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:33,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-07-22 17:32:33,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:33,650 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-07-22 17:32:33,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:32:33,650 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992350492] [2022-07-22 17:32:33,650 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1992350492] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:32:33,651 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:32:33,651 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-22 17:32:33,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975942115] [2022-07-22 17:32:33,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:32:33,651 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-22 17:32:33,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:32:33,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-22 17:32:33,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-22 17:32:33,652 INFO L87 Difference]: Start difference. First operand 404 states and 637 transitions. Second operand has 9 states, 8 states have (on average 8.75) internal successors, (70), 5 states have internal predecessors, (70), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2022-07-22 17:32:34,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:32:34,859 INFO L93 Difference]: Finished difference Result 867 states and 1386 transitions. [2022-07-22 17:32:34,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-22 17:32:34,860 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 8.75) internal successors, (70), 5 states have internal predecessors, (70), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) Word has length 108 [2022-07-22 17:32:34,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:32:34,862 INFO L225 Difference]: With dead ends: 867 [2022-07-22 17:32:34,863 INFO L226 Difference]: Without dead ends: 486 [2022-07-22 17:32:34,864 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2022-07-22 17:32:34,864 INFO L413 NwaCegarLoop]: 553 mSDtfsCounter, 1208 mSDsluCounter, 937 mSDsCounter, 0 mSdLazyCounter, 1741 mSolverCounterSat, 412 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1228 SdHoareTripleChecker+Valid, 1490 SdHoareTripleChecker+Invalid, 2153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 412 IncrementalHoareTripleChecker+Valid, 1741 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-07-22 17:32:34,865 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1228 Valid, 1490 Invalid, 2153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [412 Valid, 1741 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-22 17:32:34,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 486 states. [2022-07-22 17:32:34,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 486 to 404. [2022-07-22 17:32:34,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 404 states, 314 states have (on average 1.589171974522293) internal successors, (499), 320 states have internal predecessors, (499), 66 states have call successors, (66), 21 states have call predecessors, (66), 23 states have return successors, (71), 64 states have call predecessors, (71), 65 states have call successors, (71) [2022-07-22 17:32:34,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 636 transitions. [2022-07-22 17:32:34,885 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 636 transitions. Word has length 108 [2022-07-22 17:32:34,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:32:34,886 INFO L495 AbstractCegarLoop]: Abstraction has 404 states and 636 transitions. [2022-07-22 17:32:34,886 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 8.75) internal successors, (70), 5 states have internal predecessors, (70), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2022-07-22 17:32:34,886 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 636 transitions. [2022-07-22 17:32:34,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-07-22 17:32:34,888 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:32:34,888 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 17:32:34,888 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-22 17:32:34,888 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:32:34,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:32:34,888 INFO L85 PathProgramCache]: Analyzing trace with hash 954565969, now seen corresponding path program 2 times [2022-07-22 17:32:34,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:32:34,889 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524571584] [2022-07-22 17:32:34,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:32:34,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:32:34,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:34,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 17:32:34,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:34,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-22 17:32:34,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:34,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-22 17:32:34,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:34,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-22 17:32:34,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:34,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-22 17:32:34,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:34,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-22 17:32:34,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:34,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-22 17:32:34,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:34,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-22 17:32:34,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:34,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-22 17:32:34,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:34,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-22 17:32:34,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:34,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-22 17:32:34,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:34,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-07-22 17:32:34,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:34,965 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-07-22 17:32:34,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:32:34,966 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524571584] [2022-07-22 17:32:34,966 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1524571584] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:32:34,966 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:32:34,966 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-22 17:32:34,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155319498] [2022-07-22 17:32:34,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:32:34,967 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-22 17:32:34,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:32:34,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-22 17:32:34,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-22 17:32:34,967 INFO L87 Difference]: Start difference. First operand 404 states and 636 transitions. Second operand has 9 states, 8 states have (on average 8.875) internal successors, (71), 5 states have internal predecessors, (71), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2022-07-22 17:32:36,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:32:36,154 INFO L93 Difference]: Finished difference Result 869 states and 1389 transitions. [2022-07-22 17:32:36,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-22 17:32:36,154 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 8.875) internal successors, (71), 5 states have internal predecessors, (71), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) Word has length 109 [2022-07-22 17:32:36,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:32:36,157 INFO L225 Difference]: With dead ends: 869 [2022-07-22 17:32:36,157 INFO L226 Difference]: Without dead ends: 488 [2022-07-22 17:32:36,158 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2022-07-22 17:32:36,159 INFO L413 NwaCegarLoop]: 549 mSDtfsCounter, 1204 mSDsluCounter, 937 mSDsCounter, 0 mSdLazyCounter, 1745 mSolverCounterSat, 409 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1225 SdHoareTripleChecker+Valid, 1486 SdHoareTripleChecker+Invalid, 2154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 409 IncrementalHoareTripleChecker+Valid, 1745 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-07-22 17:32:36,159 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1225 Valid, 1486 Invalid, 2154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [409 Valid, 1745 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-22 17:32:36,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2022-07-22 17:32:36,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 406. [2022-07-22 17:32:36,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 406 states, 315 states have (on average 1.5873015873015872) internal successors, (500), 322 states have internal predecessors, (500), 66 states have call successors, (66), 21 states have call predecessors, (66), 24 states have return successors, (73), 64 states have call predecessors, (73), 65 states have call successors, (73) [2022-07-22 17:32:36,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 639 transitions. [2022-07-22 17:32:36,176 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 639 transitions. Word has length 109 [2022-07-22 17:32:36,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:32:36,176 INFO L495 AbstractCegarLoop]: Abstraction has 406 states and 639 transitions. [2022-07-22 17:32:36,176 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 8.875) internal successors, (71), 5 states have internal predecessors, (71), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2022-07-22 17:32:36,176 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 639 transitions. [2022-07-22 17:32:36,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-07-22 17:32:36,178 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:32:36,178 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 17:32:36,178 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-22 17:32:36,178 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:32:36,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:32:36,179 INFO L85 PathProgramCache]: Analyzing trace with hash 245616583, now seen corresponding path program 1 times [2022-07-22 17:32:36,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:32:36,179 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354860438] [2022-07-22 17:32:36,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:32:36,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:32:36,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:36,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 17:32:36,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:36,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-22 17:32:36,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:36,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-22 17:32:36,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:36,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-22 17:32:36,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:36,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-22 17:32:36,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:36,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-22 17:32:36,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:36,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-22 17:32:36,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:36,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-22 17:32:36,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:36,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-22 17:32:36,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:36,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-22 17:32:36,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:36,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-22 17:32:36,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:36,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-22 17:32:36,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:36,297 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-07-22 17:32:36,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:32:36,297 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1354860438] [2022-07-22 17:32:36,297 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1354860438] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:32:36,297 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:32:36,297 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-22 17:32:36,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697848387] [2022-07-22 17:32:36,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:32:36,298 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-22 17:32:36,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:32:36,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-22 17:32:36,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-22 17:32:36,299 INFO L87 Difference]: Start difference. First operand 406 states and 639 transitions. Second operand has 9 states, 8 states have (on average 9.0) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2022-07-22 17:32:37,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:32:37,524 INFO L93 Difference]: Finished difference Result 869 states and 1388 transitions. [2022-07-22 17:32:37,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-22 17:32:37,525 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 9.0) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) Word has length 110 [2022-07-22 17:32:37,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:32:37,527 INFO L225 Difference]: With dead ends: 869 [2022-07-22 17:32:37,527 INFO L226 Difference]: Without dead ends: 488 [2022-07-22 17:32:37,529 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=89, Invalid=217, Unknown=0, NotChecked=0, Total=306 [2022-07-22 17:32:37,529 INFO L413 NwaCegarLoop]: 549 mSDtfsCounter, 1207 mSDsluCounter, 937 mSDsCounter, 0 mSdLazyCounter, 1726 mSolverCounterSat, 413 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1227 SdHoareTripleChecker+Valid, 1486 SdHoareTripleChecker+Invalid, 2139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 413 IncrementalHoareTripleChecker+Valid, 1726 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-07-22 17:32:37,529 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1227 Valid, 1486 Invalid, 2139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [413 Valid, 1726 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-22 17:32:37,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2022-07-22 17:32:37,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 406. [2022-07-22 17:32:37,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 406 states, 315 states have (on average 1.5873015873015872) internal successors, (500), 322 states have internal predecessors, (500), 66 states have call successors, (66), 21 states have call predecessors, (66), 24 states have return successors, (73), 64 states have call predecessors, (73), 65 states have call successors, (73) [2022-07-22 17:32:37,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 639 transitions. [2022-07-22 17:32:37,550 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 639 transitions. Word has length 110 [2022-07-22 17:32:37,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:32:37,550 INFO L495 AbstractCegarLoop]: Abstraction has 406 states and 639 transitions. [2022-07-22 17:32:37,550 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 9.0) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2022-07-22 17:32:37,550 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 639 transitions. [2022-07-22 17:32:37,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-07-22 17:32:37,552 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:32:37,552 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 17:32:37,552 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-22 17:32:37,552 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:32:37,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:32:37,553 INFO L85 PathProgramCache]: Analyzing trace with hash -641606263, now seen corresponding path program 1 times [2022-07-22 17:32:37,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:32:37,553 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387753097] [2022-07-22 17:32:37,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:32:37,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:32:37,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:37,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 17:32:37,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:37,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-22 17:32:37,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:37,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-22 17:32:37,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:37,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-22 17:32:37,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:37,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-22 17:32:37,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:37,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-22 17:32:37,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:37,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-22 17:32:37,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:37,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-22 17:32:37,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:37,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-22 17:32:37,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:37,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-22 17:32:37,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:37,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-22 17:32:37,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:37,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-22 17:32:37,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:37,656 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-07-22 17:32:37,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:32:37,656 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387753097] [2022-07-22 17:32:37,656 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [387753097] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:32:37,656 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:32:37,656 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-07-22 17:32:37,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75534890] [2022-07-22 17:32:37,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:32:37,657 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-22 17:32:37,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:32:37,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-22 17:32:37,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2022-07-22 17:32:37,658 INFO L87 Difference]: Start difference. First operand 406 states and 639 transitions. Second operand has 12 states, 11 states have (on average 6.818181818181818) internal successors, (75), 8 states have internal predecessors, (75), 4 states have call successors, (15), 6 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) [2022-07-22 17:32:39,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:32:39,306 INFO L93 Difference]: Finished difference Result 867 states and 1383 transitions. [2022-07-22 17:32:39,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-22 17:32:39,307 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.818181818181818) internal successors, (75), 8 states have internal predecessors, (75), 4 states have call successors, (15), 6 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) Word has length 110 [2022-07-22 17:32:39,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:32:39,310 INFO L225 Difference]: With dead ends: 867 [2022-07-22 17:32:39,310 INFO L226 Difference]: Without dead ends: 488 [2022-07-22 17:32:39,311 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=112, Invalid=440, Unknown=0, NotChecked=0, Total=552 [2022-07-22 17:32:39,312 INFO L413 NwaCegarLoop]: 536 mSDtfsCounter, 1339 mSDsluCounter, 1294 mSDsCounter, 0 mSdLazyCounter, 3141 mSolverCounterSat, 472 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1339 SdHoareTripleChecker+Valid, 1830 SdHoareTripleChecker+Invalid, 3613 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 472 IncrementalHoareTripleChecker+Valid, 3141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-22 17:32:39,313 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1339 Valid, 1830 Invalid, 3613 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [472 Valid, 3141 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-22 17:32:39,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2022-07-22 17:32:39,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 406. [2022-07-22 17:32:39,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 406 states, 315 states have (on average 1.5873015873015872) internal successors, (500), 322 states have internal predecessors, (500), 66 states have call successors, (66), 21 states have call predecessors, (66), 24 states have return successors, (72), 64 states have call predecessors, (72), 65 states have call successors, (72) [2022-07-22 17:32:39,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 638 transitions. [2022-07-22 17:32:39,332 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 638 transitions. Word has length 110 [2022-07-22 17:32:39,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:32:39,332 INFO L495 AbstractCegarLoop]: Abstraction has 406 states and 638 transitions. [2022-07-22 17:32:39,333 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.818181818181818) internal successors, (75), 8 states have internal predecessors, (75), 4 states have call successors, (15), 6 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) [2022-07-22 17:32:39,333 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 638 transitions. [2022-07-22 17:32:39,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-07-22 17:32:39,334 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:32:39,335 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 17:32:39,335 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-22 17:32:39,335 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:32:39,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:32:39,335 INFO L85 PathProgramCache]: Analyzing trace with hash 78260293, now seen corresponding path program 2 times [2022-07-22 17:32:39,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:32:39,336 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963292850] [2022-07-22 17:32:39,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:32:39,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:32:39,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:39,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 17:32:39,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:39,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-22 17:32:39,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:39,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-22 17:32:39,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:39,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-22 17:32:39,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:39,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-22 17:32:39,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:39,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-22 17:32:39,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:39,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-22 17:32:39,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:39,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-22 17:32:39,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:39,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-22 17:32:39,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:39,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-22 17:32:39,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:39,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-22 17:32:39,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:39,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-22 17:32:39,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:39,460 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-07-22 17:32:39,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:32:39,461 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963292850] [2022-07-22 17:32:39,461 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1963292850] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:32:39,461 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:32:39,461 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-07-22 17:32:39,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073938871] [2022-07-22 17:32:39,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:32:39,462 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-22 17:32:39,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:32:39,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-22 17:32:39,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2022-07-22 17:32:39,462 INFO L87 Difference]: Start difference. First operand 406 states and 638 transitions. Second operand has 12 states, 11 states have (on average 6.909090909090909) internal successors, (76), 8 states have internal predecessors, (76), 4 states have call successors, (15), 6 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) [2022-07-22 17:32:41,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:32:41,084 INFO L93 Difference]: Finished difference Result 869 states and 1389 transitions. [2022-07-22 17:32:41,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-22 17:32:41,084 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.909090909090909) internal successors, (76), 8 states have internal predecessors, (76), 4 states have call successors, (15), 6 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) Word has length 111 [2022-07-22 17:32:41,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:32:41,087 INFO L225 Difference]: With dead ends: 869 [2022-07-22 17:32:41,087 INFO L226 Difference]: Without dead ends: 490 [2022-07-22 17:32:41,088 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=112, Invalid=440, Unknown=0, NotChecked=0, Total=552 [2022-07-22 17:32:41,088 INFO L413 NwaCegarLoop]: 539 mSDtfsCounter, 1328 mSDsluCounter, 1294 mSDsCounter, 0 mSdLazyCounter, 3203 mSolverCounterSat, 456 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1328 SdHoareTripleChecker+Valid, 1833 SdHoareTripleChecker+Invalid, 3659 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 456 IncrementalHoareTripleChecker+Valid, 3203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-22 17:32:41,089 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1328 Valid, 1833 Invalid, 3659 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [456 Valid, 3203 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-22 17:32:41,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 490 states. [2022-07-22 17:32:41,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 490 to 408. [2022-07-22 17:32:41,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 408 states, 316 states have (on average 1.5854430379746836) internal successors, (501), 324 states have internal predecessors, (501), 66 states have call successors, (66), 21 states have call predecessors, (66), 25 states have return successors, (77), 64 states have call predecessors, (77), 65 states have call successors, (77) [2022-07-22 17:32:41,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 644 transitions. [2022-07-22 17:32:41,105 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 644 transitions. Word has length 111 [2022-07-22 17:32:41,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:32:41,106 INFO L495 AbstractCegarLoop]: Abstraction has 408 states and 644 transitions. [2022-07-22 17:32:41,106 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.909090909090909) internal successors, (76), 8 states have internal predecessors, (76), 4 states have call successors, (15), 6 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) [2022-07-22 17:32:41,106 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 644 transitions. [2022-07-22 17:32:41,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-07-22 17:32:41,107 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:32:41,107 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 17:32:41,108 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-22 17:32:41,108 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:32:41,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:32:41,109 INFO L85 PathProgramCache]: Analyzing trace with hash 1156653796, now seen corresponding path program 1 times [2022-07-22 17:32:41,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:32:41,109 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635326392] [2022-07-22 17:32:41,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:32:41,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:32:41,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:41,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 17:32:41,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:41,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-22 17:32:41,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:41,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-22 17:32:41,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:41,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-22 17:32:41,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:41,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-22 17:32:41,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:41,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-22 17:32:41,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:41,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-22 17:32:41,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:41,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-22 17:32:41,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:41,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-22 17:32:41,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:41,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-22 17:32:41,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:41,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-22 17:32:41,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:41,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-22 17:32:41,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:41,186 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-07-22 17:32:41,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:32:41,186 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1635326392] [2022-07-22 17:32:41,186 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1635326392] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 17:32:41,186 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1254167725] [2022-07-22 17:32:41,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:32:41,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 17:32:41,187 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 17:32:41,198 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-22 17:32:41,198 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-07-22 17:32:41,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:41,395 INFO L263 TraceCheckSpWp]: Trace formula consists of 1026 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-22 17:32:41,397 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 17:32:41,416 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-07-22 17:32:41,417 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 17:32:41,478 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-07-22 17:32:41,478 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1254167725] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 17:32:41,478 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-22 17:32:41,479 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 11 [2022-07-22 17:32:41,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696747932] [2022-07-22 17:32:41,481 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-22 17:32:41,481 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-22 17:32:41,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:32:41,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-22 17:32:41,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2022-07-22 17:32:41,482 INFO L87 Difference]: Start difference. First operand 408 states and 644 transitions. Second operand has 11 states, 11 states have (on average 9.545454545454545) internal successors, (105), 7 states have internal predecessors, (105), 2 states have call successors, (30), 6 states have call predecessors, (30), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-22 17:32:42,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:32:42,576 INFO L93 Difference]: Finished difference Result 1056 states and 1758 transitions. [2022-07-22 17:32:42,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-22 17:32:42,577 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 9.545454545454545) internal successors, (105), 7 states have internal predecessors, (105), 2 states have call successors, (30), 6 states have call predecessors, (30), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 112 [2022-07-22 17:32:42,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:32:42,581 INFO L225 Difference]: With dead ends: 1056 [2022-07-22 17:32:42,581 INFO L226 Difference]: Without dead ends: 907 [2022-07-22 17:32:42,582 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 260 GetRequests, 245 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2022-07-22 17:32:42,582 INFO L413 NwaCegarLoop]: 643 mSDtfsCounter, 1657 mSDsluCounter, 1347 mSDsCounter, 0 mSdLazyCounter, 1238 mSolverCounterSat, 625 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1714 SdHoareTripleChecker+Valid, 1990 SdHoareTripleChecker+Invalid, 1863 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 625 IncrementalHoareTripleChecker+Valid, 1238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-07-22 17:32:42,582 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1714 Valid, 1990 Invalid, 1863 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [625 Valid, 1238 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-22 17:32:42,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 907 states. [2022-07-22 17:32:42,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 907 to 801. [2022-07-22 17:32:42,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 801 states, 630 states have (on average 1.6412698412698412) internal successors, (1034), 638 states have internal predecessors, (1034), 145 states have call successors, (145), 21 states have call predecessors, (145), 25 states have return successors, (166), 143 states have call predecessors, (166), 144 states have call successors, (166) [2022-07-22 17:32:42,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 801 states to 801 states and 1345 transitions. [2022-07-22 17:32:42,613 INFO L78 Accepts]: Start accepts. Automaton has 801 states and 1345 transitions. Word has length 112 [2022-07-22 17:32:42,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:32:42,614 INFO L495 AbstractCegarLoop]: Abstraction has 801 states and 1345 transitions. [2022-07-22 17:32:42,614 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 9.545454545454545) internal successors, (105), 7 states have internal predecessors, (105), 2 states have call successors, (30), 6 states have call predecessors, (30), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-22 17:32:42,614 INFO L276 IsEmpty]: Start isEmpty. Operand 801 states and 1345 transitions. [2022-07-22 17:32:42,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-07-22 17:32:42,617 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:32:42,617 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 17:32:42,653 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-07-22 17:32:42,835 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 17:32:42,835 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:32:42,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:32:42,836 INFO L85 PathProgramCache]: Analyzing trace with hash -801695193, now seen corresponding path program 1 times [2022-07-22 17:32:42,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:32:42,836 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601610880] [2022-07-22 17:32:42,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:32:42,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:32:42,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:42,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 17:32:42,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:42,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-22 17:32:42,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:42,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-22 17:32:42,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:42,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-22 17:32:42,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:42,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-22 17:32:42,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:42,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-22 17:32:42,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:42,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-22 17:32:42,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:42,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-22 17:32:42,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:42,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-22 17:32:42,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:42,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-22 17:32:42,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:42,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-22 17:32:42,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:42,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-22 17:32:42,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:42,941 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-07-22 17:32:42,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:32:42,941 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601610880] [2022-07-22 17:32:42,941 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1601610880] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:32:42,941 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:32:42,941 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-22 17:32:42,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822162338] [2022-07-22 17:32:42,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:32:42,941 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-22 17:32:42,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:32:42,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-22 17:32:42,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-22 17:32:42,942 INFO L87 Difference]: Start difference. First operand 801 states and 1345 transitions. Second operand has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-07-22 17:32:44,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:32:44,132 INFO L93 Difference]: Finished difference Result 2014 states and 3463 transitions. [2022-07-22 17:32:44,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-22 17:32:44,132 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 118 [2022-07-22 17:32:44,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:32:44,141 INFO L225 Difference]: With dead ends: 2014 [2022-07-22 17:32:44,141 INFO L226 Difference]: Without dead ends: 1281 [2022-07-22 17:32:44,143 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-07-22 17:32:44,144 INFO L413 NwaCegarLoop]: 599 mSDtfsCounter, 1199 mSDsluCounter, 775 mSDsCounter, 0 mSdLazyCounter, 915 mSolverCounterSat, 456 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1218 SdHoareTripleChecker+Valid, 1374 SdHoareTripleChecker+Invalid, 1371 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 456 IncrementalHoareTripleChecker+Valid, 915 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-07-22 17:32:44,144 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1218 Valid, 1374 Invalid, 1371 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [456 Valid, 915 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-22 17:32:44,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1281 states. [2022-07-22 17:32:44,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1281 to 1191. [2022-07-22 17:32:44,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1191 states, 941 states have (on average 1.6514346439957492) internal successors, (1554), 949 states have internal predecessors, (1554), 224 states have call successors, (224), 21 states have call predecessors, (224), 25 states have return successors, (255), 222 states have call predecessors, (255), 223 states have call successors, (255) [2022-07-22 17:32:44,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1191 states to 1191 states and 2033 transitions. [2022-07-22 17:32:44,193 INFO L78 Accepts]: Start accepts. Automaton has 1191 states and 2033 transitions. Word has length 118 [2022-07-22 17:32:44,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:32:44,194 INFO L495 AbstractCegarLoop]: Abstraction has 1191 states and 2033 transitions. [2022-07-22 17:32:44,194 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-07-22 17:32:44,194 INFO L276 IsEmpty]: Start isEmpty. Operand 1191 states and 2033 transitions. [2022-07-22 17:32:44,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-07-22 17:32:44,199 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:32:44,199 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 17:32:44,199 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-22 17:32:44,199 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:32:44,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:32:44,200 INFO L85 PathProgramCache]: Analyzing trace with hash -1955977789, now seen corresponding path program 1 times [2022-07-22 17:32:44,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:32:44,200 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573363390] [2022-07-22 17:32:44,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:32:44,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:32:44,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:44,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 17:32:44,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:44,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-22 17:32:44,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:44,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-22 17:32:44,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:44,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-22 17:32:44,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:44,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-22 17:32:44,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:44,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-22 17:32:44,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:44,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-07-22 17:32:44,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:44,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-22 17:32:44,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:44,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-22 17:32:44,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:44,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-22 17:32:44,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:44,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-22 17:32:44,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:44,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-07-22 17:32:44,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:44,276 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-07-22 17:32:44,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:32:44,276 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573363390] [2022-07-22 17:32:44,277 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [573363390] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:32:44,277 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:32:44,277 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-22 17:32:44,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208715529] [2022-07-22 17:32:44,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:32:44,278 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-22 17:32:44,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:32:44,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-22 17:32:44,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-22 17:32:44,279 INFO L87 Difference]: Start difference. First operand 1191 states and 2033 transitions. Second operand has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-07-22 17:32:45,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:32:45,350 INFO L93 Difference]: Finished difference Result 2963 states and 5137 transitions. [2022-07-22 17:32:45,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-22 17:32:45,351 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 119 [2022-07-22 17:32:45,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:32:45,359 INFO L225 Difference]: With dead ends: 2963 [2022-07-22 17:32:45,359 INFO L226 Difference]: Without dead ends: 1893 [2022-07-22 17:32:45,362 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-07-22 17:32:45,363 INFO L413 NwaCegarLoop]: 590 mSDtfsCounter, 1197 mSDsluCounter, 756 mSDsCounter, 0 mSdLazyCounter, 895 mSolverCounterSat, 473 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1215 SdHoareTripleChecker+Valid, 1346 SdHoareTripleChecker+Invalid, 1368 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 473 IncrementalHoareTripleChecker+Valid, 895 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-22 17:32:45,363 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1215 Valid, 1346 Invalid, 1368 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [473 Valid, 895 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-22 17:32:45,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1893 states. [2022-07-22 17:32:45,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1893 to 1803. [2022-07-22 17:32:45,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1803 states, 1434 states have (on average 1.6576011157601116) internal successors, (2377), 1442 states have internal predecessors, (2377), 343 states have call successors, (343), 21 states have call predecessors, (343), 25 states have return successors, (374), 341 states have call predecessors, (374), 342 states have call successors, (374) [2022-07-22 17:32:45,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1803 states to 1803 states and 3094 transitions. [2022-07-22 17:32:45,431 INFO L78 Accepts]: Start accepts. Automaton has 1803 states and 3094 transitions. Word has length 119 [2022-07-22 17:32:45,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:32:45,431 INFO L495 AbstractCegarLoop]: Abstraction has 1803 states and 3094 transitions. [2022-07-22 17:32:45,431 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-07-22 17:32:45,432 INFO L276 IsEmpty]: Start isEmpty. Operand 1803 states and 3094 transitions. [2022-07-22 17:32:45,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-07-22 17:32:45,438 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:32:45,438 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 17:32:45,438 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-07-22 17:32:45,439 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:32:45,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:32:45,439 INFO L85 PathProgramCache]: Analyzing trace with hash 1049418757, now seen corresponding path program 1 times [2022-07-22 17:32:45,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:32:45,439 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829408796] [2022-07-22 17:32:45,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:32:45,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:32:45,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:45,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 17:32:45,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:45,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-22 17:32:45,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:45,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-22 17:32:45,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:45,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-22 17:32:45,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:45,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-22 17:32:45,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:45,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-22 17:32:45,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:45,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-22 17:32:45,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:45,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-22 17:32:45,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:45,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-22 17:32:45,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:45,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-22 17:32:45,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:45,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-22 17:32:45,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:45,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-22 17:32:45,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:45,514 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-07-22 17:32:45,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:32:45,515 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829408796] [2022-07-22 17:32:45,515 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [829408796] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:32:45,515 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:32:45,515 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-22 17:32:45,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906013434] [2022-07-22 17:32:45,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:32:45,515 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-22 17:32:45,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:32:45,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-22 17:32:45,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-22 17:32:45,516 INFO L87 Difference]: Start difference. First operand 1803 states and 3094 transitions. Second operand has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-07-22 17:32:46,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:32:46,517 INFO L93 Difference]: Finished difference Result 4388 states and 7671 transitions. [2022-07-22 17:32:46,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-22 17:32:46,517 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 120 [2022-07-22 17:32:46,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:32:46,529 INFO L225 Difference]: With dead ends: 4388 [2022-07-22 17:32:46,543 INFO L226 Difference]: Without dead ends: 2831 [2022-07-22 17:32:46,547 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-07-22 17:32:46,548 INFO L413 NwaCegarLoop]: 580 mSDtfsCounter, 1194 mSDsluCounter, 730 mSDsCounter, 0 mSdLazyCounter, 897 mSolverCounterSat, 460 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1212 SdHoareTripleChecker+Valid, 1310 SdHoareTripleChecker+Invalid, 1357 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 460 IncrementalHoareTripleChecker+Valid, 897 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-22 17:32:46,548 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1212 Valid, 1310 Invalid, 1357 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [460 Valid, 897 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-22 17:32:46,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2831 states. [2022-07-22 17:32:46,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2831 to 2741. [2022-07-22 17:32:46,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2741 states, 2210 states have (on average 1.66289592760181) internal successors, (3675), 2218 states have internal predecessors, (3675), 505 states have call successors, (505), 21 states have call predecessors, (505), 25 states have return successors, (552), 503 states have call predecessors, (552), 504 states have call successors, (552) [2022-07-22 17:32:46,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2741 states to 2741 states and 4732 transitions. [2022-07-22 17:32:46,657 INFO L78 Accepts]: Start accepts. Automaton has 2741 states and 4732 transitions. Word has length 120 [2022-07-22 17:32:46,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:32:46,657 INFO L495 AbstractCegarLoop]: Abstraction has 2741 states and 4732 transitions. [2022-07-22 17:32:46,657 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-07-22 17:32:46,658 INFO L276 IsEmpty]: Start isEmpty. Operand 2741 states and 4732 transitions. [2022-07-22 17:32:46,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-07-22 17:32:46,666 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:32:46,666 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 17:32:46,666 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-07-22 17:32:46,666 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:32:46,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:32:46,667 INFO L85 PathProgramCache]: Analyzing trace with hash 1243441026, now seen corresponding path program 1 times [2022-07-22 17:32:46,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:32:46,667 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578383420] [2022-07-22 17:32:46,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:32:46,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:32:46,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:46,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 17:32:46,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:46,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-22 17:32:46,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:46,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-22 17:32:46,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:46,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-22 17:32:46,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:46,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-22 17:32:46,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:46,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-22 17:32:46,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:46,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-22 17:32:46,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:46,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-22 17:32:46,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:46,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-22 17:32:46,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:46,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-22 17:32:46,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:46,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-07-22 17:32:46,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:46,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-22 17:32:46,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:46,738 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-07-22 17:32:46,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:32:46,738 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578383420] [2022-07-22 17:32:46,738 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1578383420] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:32:46,738 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:32:46,739 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-22 17:32:46,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317742151] [2022-07-22 17:32:46,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:32:46,739 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-22 17:32:46,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:32:46,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-22 17:32:46,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-22 17:32:46,740 INFO L87 Difference]: Start difference. First operand 2741 states and 4732 transitions. Second operand has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-07-22 17:32:47,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:32:47,650 INFO L93 Difference]: Finished difference Result 6637 states and 11680 transitions. [2022-07-22 17:32:47,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-22 17:32:47,650 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 121 [2022-07-22 17:32:47,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:32:47,668 INFO L225 Difference]: With dead ends: 6637 [2022-07-22 17:32:47,669 INFO L226 Difference]: Without dead ends: 4346 [2022-07-22 17:32:47,674 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-07-22 17:32:47,675 INFO L413 NwaCegarLoop]: 581 mSDtfsCounter, 1193 mSDsluCounter, 730 mSDsCounter, 0 mSdLazyCounter, 897 mSolverCounterSat, 464 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1211 SdHoareTripleChecker+Valid, 1311 SdHoareTripleChecker+Invalid, 1361 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 464 IncrementalHoareTripleChecker+Valid, 897 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-22 17:32:47,676 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1211 Valid, 1311 Invalid, 1361 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [464 Valid, 897 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-22 17:32:47,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4346 states. [2022-07-22 17:32:47,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4346 to 4256. [2022-07-22 17:32:47,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4256 states, 3480 states have (on average 1.6666666666666667) internal successors, (5800), 3488 states have internal predecessors, (5800), 750 states have call successors, (750), 21 states have call predecessors, (750), 25 states have return successors, (823), 748 states have call predecessors, (823), 749 states have call successors, (823) [2022-07-22 17:32:47,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4256 states to 4256 states and 7373 transitions. [2022-07-22 17:32:47,832 INFO L78 Accepts]: Start accepts. Automaton has 4256 states and 7373 transitions. Word has length 121 [2022-07-22 17:32:47,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:32:47,833 INFO L495 AbstractCegarLoop]: Abstraction has 4256 states and 7373 transitions. [2022-07-22 17:32:47,833 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-07-22 17:32:47,833 INFO L276 IsEmpty]: Start isEmpty. Operand 4256 states and 7373 transitions. [2022-07-22 17:32:47,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-07-22 17:32:47,843 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:32:47,843 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 17:32:47,844 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-07-22 17:32:47,844 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:32:47,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:32:47,844 INFO L85 PathProgramCache]: Analyzing trace with hash -523521271, now seen corresponding path program 1 times [2022-07-22 17:32:47,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:32:47,844 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17401138] [2022-07-22 17:32:47,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:32:47,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:32:47,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:47,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 17:32:47,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:47,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-22 17:32:47,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:47,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-22 17:32:47,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:47,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-22 17:32:47,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:47,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-22 17:32:47,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:47,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-22 17:32:47,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:47,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-22 17:32:47,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:47,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-22 17:32:47,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:47,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-22 17:32:47,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:47,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-22 17:32:47,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:47,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-22 17:32:47,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:47,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-22 17:32:47,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:47,929 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-07-22 17:32:47,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:32:47,929 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17401138] [2022-07-22 17:32:47,930 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [17401138] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:32:47,930 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:32:47,930 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-22 17:32:47,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110793115] [2022-07-22 17:32:47,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:32:47,930 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-22 17:32:47,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:32:47,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-22 17:32:47,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-22 17:32:47,931 INFO L87 Difference]: Start difference. First operand 4256 states and 7373 transitions. Second operand has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-07-22 17:32:48,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:32:48,991 INFO L93 Difference]: Finished difference Result 10653 states and 18792 transitions. [2022-07-22 17:32:48,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-22 17:32:48,992 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 122 [2022-07-22 17:32:48,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:32:49,068 INFO L225 Difference]: With dead ends: 10653 [2022-07-22 17:32:49,068 INFO L226 Difference]: Without dead ends: 7079 [2022-07-22 17:32:49,078 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-07-22 17:32:49,079 INFO L413 NwaCegarLoop]: 592 mSDtfsCounter, 1191 mSDsluCounter, 758 mSDsCounter, 0 mSdLazyCounter, 917 mSolverCounterSat, 454 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1209 SdHoareTripleChecker+Valid, 1350 SdHoareTripleChecker+Invalid, 1371 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 454 IncrementalHoareTripleChecker+Valid, 917 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-22 17:32:49,079 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1209 Valid, 1350 Invalid, 1371 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [454 Valid, 917 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-22 17:32:49,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7079 states. [2022-07-22 17:32:49,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7079 to 6989. [2022-07-22 17:32:49,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6989 states, 5720 states have (on average 1.6617132867132867) internal successors, (9505), 5728 states have internal predecessors, (9505), 1243 states have call successors, (1243), 21 states have call predecessors, (1243), 25 states have return successors, (1360), 1241 states have call predecessors, (1360), 1242 states have call successors, (1360) [2022-07-22 17:32:49,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6989 states to 6989 states and 12108 transitions. [2022-07-22 17:32:49,361 INFO L78 Accepts]: Start accepts. Automaton has 6989 states and 12108 transitions. Word has length 122 [2022-07-22 17:32:49,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:32:49,361 INFO L495 AbstractCegarLoop]: Abstraction has 6989 states and 12108 transitions. [2022-07-22 17:32:49,362 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-07-22 17:32:49,362 INFO L276 IsEmpty]: Start isEmpty. Operand 6989 states and 12108 transitions. [2022-07-22 17:32:49,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-07-22 17:32:49,375 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:32:49,375 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 17:32:49,375 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-07-22 17:32:49,375 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:32:49,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:32:49,376 INFO L85 PathProgramCache]: Analyzing trace with hash 1115485310, now seen corresponding path program 1 times [2022-07-22 17:32:49,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:32:49,376 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114164696] [2022-07-22 17:32:49,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:32:49,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:32:49,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:49,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 17:32:49,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:49,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-22 17:32:49,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:49,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-22 17:32:49,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:49,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-22 17:32:49,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:49,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-22 17:32:49,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:49,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-22 17:32:49,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:49,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-22 17:32:49,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:49,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-22 17:32:49,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:49,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-07-22 17:32:49,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:49,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-22 17:32:49,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:49,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-22 17:32:49,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:49,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-22 17:32:49,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:49,435 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-07-22 17:32:49,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:32:49,435 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2114164696] [2022-07-22 17:32:49,435 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2114164696] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:32:49,436 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:32:49,436 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-22 17:32:49,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627135603] [2022-07-22 17:32:49,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:32:49,436 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-22 17:32:49,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:32:49,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-22 17:32:49,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-22 17:32:49,438 INFO L87 Difference]: Start difference. First operand 6989 states and 12108 transitions. Second operand has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-07-22 17:32:50,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:32:50,614 INFO L93 Difference]: Finished difference Result 17793 states and 31364 transitions. [2022-07-22 17:32:50,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-22 17:32:50,615 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 123 [2022-07-22 17:32:50,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:32:50,651 INFO L225 Difference]: With dead ends: 17793 [2022-07-22 17:32:50,651 INFO L226 Difference]: Without dead ends: 11863 [2022-07-22 17:32:50,671 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-07-22 17:32:50,671 INFO L413 NwaCegarLoop]: 584 mSDtfsCounter, 1189 mSDsluCounter, 731 mSDsCounter, 0 mSdLazyCounter, 908 mSolverCounterSat, 468 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1207 SdHoareTripleChecker+Valid, 1315 SdHoareTripleChecker+Invalid, 1376 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 468 IncrementalHoareTripleChecker+Valid, 908 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-22 17:32:50,672 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1207 Valid, 1315 Invalid, 1376 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [468 Valid, 908 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-22 17:32:50,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11863 states. [2022-07-22 17:32:51,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11863 to 11773. [2022-07-22 17:32:51,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11773 states, 9682 states have (on average 1.6611237347655443) internal successors, (16083), 9690 states have internal predecessors, (16083), 2065 states have call successors, (2065), 21 states have call predecessors, (2065), 25 states have return successors, (2260), 2063 states have call predecessors, (2260), 2064 states have call successors, (2260) [2022-07-22 17:32:51,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11773 states to 11773 states and 20408 transitions. [2022-07-22 17:32:51,237 INFO L78 Accepts]: Start accepts. Automaton has 11773 states and 20408 transitions. Word has length 123 [2022-07-22 17:32:51,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:32:51,238 INFO L495 AbstractCegarLoop]: Abstraction has 11773 states and 20408 transitions. [2022-07-22 17:32:51,238 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-07-22 17:32:51,238 INFO L276 IsEmpty]: Start isEmpty. Operand 11773 states and 20408 transitions. [2022-07-22 17:32:51,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-07-22 17:32:51,256 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:32:51,256 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 17:32:51,257 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-07-22 17:32:51,257 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:32:51,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:32:51,257 INFO L85 PathProgramCache]: Analyzing trace with hash -493220089, now seen corresponding path program 1 times [2022-07-22 17:32:51,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:32:51,257 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364880992] [2022-07-22 17:32:51,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:32:51,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:32:51,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:51,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 17:32:51,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:51,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-22 17:32:51,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:51,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-22 17:32:51,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:51,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-22 17:32:51,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:51,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-22 17:32:51,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:51,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-22 17:32:51,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:51,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-22 17:32:51,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:51,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-22 17:32:51,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:51,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-07-22 17:32:51,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:51,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-22 17:32:51,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:51,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-22 17:32:51,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:51,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-22 17:32:51,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:51,320 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-07-22 17:32:51,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:32:51,320 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364880992] [2022-07-22 17:32:51,320 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [364880992] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:32:51,321 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:32:51,321 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-22 17:32:51,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963464071] [2022-07-22 17:32:51,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:32:51,321 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-22 17:32:51,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:32:51,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-22 17:32:51,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-22 17:32:51,322 INFO L87 Difference]: Start difference. First operand 11773 states and 20408 transitions. Second operand has 7 states, 7 states have (on average 12.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-07-22 17:32:52,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:32:52,679 INFO L93 Difference]: Finished difference Result 28226 states and 49489 transitions. [2022-07-22 17:32:52,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-22 17:32:52,679 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 124 [2022-07-22 17:32:52,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:32:52,739 INFO L225 Difference]: With dead ends: 28226 [2022-07-22 17:32:52,740 INFO L226 Difference]: Without dead ends: 18456 [2022-07-22 17:32:52,767 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-07-22 17:32:52,768 INFO L413 NwaCegarLoop]: 581 mSDtfsCounter, 1192 mSDsluCounter, 726 mSDsCounter, 0 mSdLazyCounter, 864 mSolverCounterSat, 471 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1211 SdHoareTripleChecker+Valid, 1307 SdHoareTripleChecker+Invalid, 1335 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 471 IncrementalHoareTripleChecker+Valid, 864 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-22 17:32:52,768 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1211 Valid, 1307 Invalid, 1335 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [471 Valid, 864 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-22 17:32:52,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18456 states. [2022-07-22 17:32:53,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18456 to 18366. [2022-07-22 17:32:53,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18366 states, 15072 states have (on average 1.6354166666666667) internal successors, (24649), 15080 states have internal predecessors, (24649), 3268 states have call successors, (3268), 21 states have call predecessors, (3268), 25 states have return successors, (3607), 3266 states have call predecessors, (3607), 3267 states have call successors, (3607) [2022-07-22 17:32:53,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18366 states to 18366 states and 31524 transitions. [2022-07-22 17:32:53,643 INFO L78 Accepts]: Start accepts. Automaton has 18366 states and 31524 transitions. Word has length 124 [2022-07-22 17:32:53,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:32:53,643 INFO L495 AbstractCegarLoop]: Abstraction has 18366 states and 31524 transitions. [2022-07-22 17:32:53,643 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-07-22 17:32:53,644 INFO L276 IsEmpty]: Start isEmpty. Operand 18366 states and 31524 transitions. [2022-07-22 17:32:53,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2022-07-22 17:32:53,660 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:32:53,661 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 17:32:53,661 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-07-22 17:32:53,661 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:32:53,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:32:53,661 INFO L85 PathProgramCache]: Analyzing trace with hash 1450923677, now seen corresponding path program 1 times [2022-07-22 17:32:53,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:32:53,662 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253399065] [2022-07-22 17:32:53,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:32:53,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:32:53,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:53,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 17:32:53,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:53,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-22 17:32:53,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:53,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-22 17:32:53,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:53,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-22 17:32:53,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:53,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-22 17:32:53,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:53,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-22 17:32:53,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:53,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-22 17:32:53,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:53,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-22 17:32:53,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:53,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-22 17:32:53,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:53,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-22 17:32:53,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:53,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-22 17:32:53,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:53,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-22 17:32:53,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:53,718 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-07-22 17:32:53,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:32:53,718 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253399065] [2022-07-22 17:32:53,718 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1253399065] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:32:53,718 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:32:53,718 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-22 17:32:53,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850619960] [2022-07-22 17:32:53,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:32:53,719 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-22 17:32:53,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:32:53,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-22 17:32:53,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-22 17:32:53,720 INFO L87 Difference]: Start difference. First operand 18366 states and 31524 transitions. Second operand has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-07-22 17:32:55,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:32:55,669 INFO L93 Difference]: Finished difference Result 48648 states and 84993 transitions. [2022-07-22 17:32:55,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-22 17:32:55,669 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 125 [2022-07-22 17:32:55,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:32:55,776 INFO L225 Difference]: With dead ends: 48648 [2022-07-22 17:32:55,777 INFO L226 Difference]: Without dead ends: 32892 [2022-07-22 17:32:55,807 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-07-22 17:32:55,808 INFO L413 NwaCegarLoop]: 583 mSDtfsCounter, 1185 mSDsluCounter, 731 mSDsCounter, 0 mSdLazyCounter, 912 mSolverCounterSat, 458 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1203 SdHoareTripleChecker+Valid, 1314 SdHoareTripleChecker+Invalid, 1370 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 458 IncrementalHoareTripleChecker+Valid, 912 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-22 17:32:55,808 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1203 Valid, 1314 Invalid, 1370 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [458 Valid, 912 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-22 17:32:55,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32892 states. [2022-07-22 17:32:57,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32892 to 32802. [2022-07-22 17:32:57,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32802 states, 27058 states have (on average 1.6319018404907975) internal successors, (44156), 27066 states have internal predecessors, (44156), 5718 states have call successors, (5718), 21 states have call predecessors, (5718), 25 states have return successors, (6331), 5716 states have call predecessors, (6331), 5717 states have call successors, (6331) [2022-07-22 17:32:57,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32802 states to 32802 states and 56205 transitions. [2022-07-22 17:32:57,308 INFO L78 Accepts]: Start accepts. Automaton has 32802 states and 56205 transitions. Word has length 125 [2022-07-22 17:32:57,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:32:57,309 INFO L495 AbstractCegarLoop]: Abstraction has 32802 states and 56205 transitions. [2022-07-22 17:32:57,309 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-07-22 17:32:57,309 INFO L276 IsEmpty]: Start isEmpty. Operand 32802 states and 56205 transitions. [2022-07-22 17:32:57,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-07-22 17:32:57,328 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:32:57,328 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 17:32:57,328 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-07-22 17:32:57,328 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:32:57,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:32:57,329 INFO L85 PathProgramCache]: Analyzing trace with hash 22185197, now seen corresponding path program 1 times [2022-07-22 17:32:57,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:32:57,329 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550366456] [2022-07-22 17:32:57,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:32:57,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:32:57,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:57,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 17:32:57,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:57,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-22 17:32:57,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:57,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-22 17:32:57,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:57,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-22 17:32:57,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:57,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-22 17:32:57,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:57,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-22 17:32:57,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:57,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-22 17:32:57,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:57,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-22 17:32:57,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:57,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-07-22 17:32:57,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:57,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-22 17:32:57,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:57,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-07-22 17:32:57,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:57,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-22 17:32:57,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:32:57,408 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-07-22 17:32:57,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:32:57,408 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550366456] [2022-07-22 17:32:57,408 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [550366456] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:32:57,408 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:32:57,409 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-22 17:32:57,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402620157] [2022-07-22 17:32:57,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:32:57,410 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-22 17:32:57,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:32:57,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-22 17:32:57,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-22 17:32:57,411 INFO L87 Difference]: Start difference. First operand 32802 states and 56205 transitions. Second operand has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-07-22 17:33:00,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:33:00,193 INFO L93 Difference]: Finished difference Result 89545 states and 155627 transitions. [2022-07-22 17:33:00,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-22 17:33:00,193 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 126 [2022-07-22 17:33:00,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:33:00,436 INFO L225 Difference]: With dead ends: 89545 [2022-07-22 17:33:00,436 INFO L226 Difference]: Without dead ends: 60229 [2022-07-22 17:33:00,513 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-07-22 17:33:00,514 INFO L413 NwaCegarLoop]: 585 mSDtfsCounter, 1185 mSDsluCounter, 739 mSDsCounter, 0 mSdLazyCounter, 902 mSolverCounterSat, 474 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1203 SdHoareTripleChecker+Valid, 1324 SdHoareTripleChecker+Invalid, 1376 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 474 IncrementalHoareTripleChecker+Valid, 902 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-22 17:33:00,515 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1203 Valid, 1324 Invalid, 1376 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [474 Valid, 902 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-22 17:33:00,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60229 states. [2022-07-22 17:33:03,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60229 to 60139. [2022-07-22 17:33:03,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60139 states, 49882 states have (on average 1.6274207128824025) internal successors, (81179), 49890 states have internal predecessors, (81179), 10231 states have call successors, (10231), 21 states have call predecessors, (10231), 25 states have return successors, (11376), 10229 states have call predecessors, (11376), 10230 states have call successors, (11376) [2022-07-22 17:33:03,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60139 states to 60139 states and 102786 transitions. [2022-07-22 17:33:03,423 INFO L78 Accepts]: Start accepts. Automaton has 60139 states and 102786 transitions. Word has length 126 [2022-07-22 17:33:03,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:33:03,423 INFO L495 AbstractCegarLoop]: Abstraction has 60139 states and 102786 transitions. [2022-07-22 17:33:03,423 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-07-22 17:33:03,424 INFO L276 IsEmpty]: Start isEmpty. Operand 60139 states and 102786 transitions. [2022-07-22 17:33:03,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-07-22 17:33:03,446 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:33:03,446 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 17:33:03,446 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-07-22 17:33:03,446 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:33:03,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:33:03,447 INFO L85 PathProgramCache]: Analyzing trace with hash 906841661, now seen corresponding path program 1 times [2022-07-22 17:33:03,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:33:03,447 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465156062] [2022-07-22 17:33:03,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:33:03,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:33:03,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:33:03,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 17:33:03,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:33:03,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-22 17:33:03,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:33:03,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-22 17:33:03,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:33:03,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-22 17:33:03,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:33:03,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-22 17:33:03,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:33:03,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-22 17:33:03,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:33:03,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-22 17:33:03,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:33:03,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-22 17:33:03,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:33:03,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-22 17:33:03,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:33:03,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-07-22 17:33:03,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:33:03,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-22 17:33:03,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:33:03,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-22 17:33:03,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:33:03,508 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-07-22 17:33:03,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:33:03,508 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465156062] [2022-07-22 17:33:03,508 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [465156062] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:33:03,508 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:33:03,508 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-22 17:33:03,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723392211] [2022-07-22 17:33:03,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:33:03,509 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-22 17:33:03,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:33:03,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-22 17:33:03,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-22 17:33:03,510 INFO L87 Difference]: Start difference. First operand 60139 states and 102786 transitions. Second operand has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-07-22 17:33:07,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:33:07,438 INFO L93 Difference]: Finished difference Result 112636 states and 196205 transitions. [2022-07-22 17:33:07,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-22 17:33:07,439 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 127 [2022-07-22 17:33:07,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:33:07,855 INFO L225 Difference]: With dead ends: 112636 [2022-07-22 17:33:07,856 INFO L226 Difference]: Without dead ends: 112487 [2022-07-22 17:33:07,916 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-07-22 17:33:07,917 INFO L413 NwaCegarLoop]: 579 mSDtfsCounter, 1185 mSDsluCounter, 731 mSDsCounter, 0 mSdLazyCounter, 903 mSolverCounterSat, 466 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1204 SdHoareTripleChecker+Valid, 1310 SdHoareTripleChecker+Invalid, 1369 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 466 IncrementalHoareTripleChecker+Valid, 903 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-22 17:33:07,917 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1204 Valid, 1310 Invalid, 1369 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [466 Valid, 903 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-22 17:33:08,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112487 states. [2022-07-22 17:33:12,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112487 to 112397. [2022-07-22 17:33:12,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112397 states, 93772 states have (on average 1.621870067824084) internal successors, (152086), 93780 states have internal predecessors, (152086), 18599 states have call successors, (18599), 21 states have call predecessors, (18599), 25 states have return successors, (20790), 18597 states have call predecessors, (20790), 18598 states have call successors, (20790) [2022-07-22 17:33:12,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112397 states to 112397 states and 191475 transitions. [2022-07-22 17:33:12,977 INFO L78 Accepts]: Start accepts. Automaton has 112397 states and 191475 transitions. Word has length 127 [2022-07-22 17:33:12,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:33:12,978 INFO L495 AbstractCegarLoop]: Abstraction has 112397 states and 191475 transitions. [2022-07-22 17:33:12,978 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-07-22 17:33:12,978 INFO L276 IsEmpty]: Start isEmpty. Operand 112397 states and 191475 transitions. [2022-07-22 17:33:13,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-07-22 17:33:13,009 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:33:13,009 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 17:33:13,010 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-07-22 17:33:13,010 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:33:13,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:33:13,010 INFO L85 PathProgramCache]: Analyzing trace with hash -1031317938, now seen corresponding path program 1 times [2022-07-22 17:33:13,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:33:13,010 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329092541] [2022-07-22 17:33:13,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:33:13,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:33:13,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:33:13,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 17:33:13,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:33:13,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-22 17:33:13,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:33:13,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-22 17:33:13,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:33:13,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-22 17:33:13,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:33:13,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-22 17:33:13,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:33:13,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-22 17:33:13,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:33:13,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-22 17:33:13,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:33:13,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-22 17:33:13,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:33:13,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-22 17:33:13,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:33:13,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-07-22 17:33:13,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:33:13,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-22 17:33:13,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:33:13,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-22 17:33:13,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:33:13,154 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-07-22 17:33:13,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:33:13,154 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329092541] [2022-07-22 17:33:13,154 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1329092541] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:33:13,154 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:33:13,154 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-07-22 17:33:13,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576639123] [2022-07-22 17:33:13,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:33:13,155 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-07-22 17:33:13,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:33:13,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-07-22 17:33:13,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=211, Unknown=0, NotChecked=0, Total=240 [2022-07-22 17:33:13,156 INFO L87 Difference]: Start difference. First operand 112397 states and 191475 transitions. Second operand has 16 states, 15 states have (on average 5.866666666666666) internal successors, (88), 10 states have internal predecessors, (88), 5 states have call successors, (15), 7 states have call predecessors, (15), 3 states have return successors, (12), 6 states have call predecessors, (12), 5 states have call successors, (12) [2022-07-22 17:33:24,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:33:24,891 INFO L93 Difference]: Finished difference Result 224392 states and 394239 transitions. [2022-07-22 17:33:24,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-07-22 17:33:24,892 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 5.866666666666666) internal successors, (88), 10 states have internal predecessors, (88), 5 states have call successors, (15), 7 states have call predecessors, (15), 3 states have return successors, (12), 6 states have call predecessors, (12), 5 states have call successors, (12) Word has length 128 [2022-07-22 17:33:24,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:33:25,894 INFO L225 Difference]: With dead ends: 224392 [2022-07-22 17:33:25,894 INFO L226 Difference]: Without dead ends: 224249 [2022-07-22 17:33:25,993 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1009 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=725, Invalid=2935, Unknown=0, NotChecked=0, Total=3660 [2022-07-22 17:33:25,994 INFO L413 NwaCegarLoop]: 685 mSDtfsCounter, 4925 mSDsluCounter, 2700 mSDsCounter, 0 mSdLazyCounter, 8178 mSolverCounterSat, 2214 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4925 SdHoareTripleChecker+Valid, 3385 SdHoareTripleChecker+Invalid, 10392 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2214 IncrementalHoareTripleChecker+Valid, 8178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-07-22 17:33:25,994 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4925 Valid, 3385 Invalid, 10392 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2214 Valid, 8178 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2022-07-22 17:33:26,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224249 states. [2022-07-22 17:33:34,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224249 to 223747. [2022-07-22 17:33:35,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 223747 states, 186738 states have (on average 1.6225299617646114) internal successors, (302988), 186644 states have internal predecessors, (302988), 36946 states have call successors, (36946), 54 states have call predecessors, (36946), 62 states have return successors, (44608), 37054 states have call predecessors, (44608), 36943 states have call successors, (44608) [2022-07-22 17:33:36,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223747 states to 223747 states and 384542 transitions. [2022-07-22 17:33:36,350 INFO L78 Accepts]: Start accepts. Automaton has 223747 states and 384542 transitions. Word has length 128 [2022-07-22 17:33:36,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:33:36,351 INFO L495 AbstractCegarLoop]: Abstraction has 223747 states and 384542 transitions. [2022-07-22 17:33:36,351 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 5.866666666666666) internal successors, (88), 10 states have internal predecessors, (88), 5 states have call successors, (15), 7 states have call predecessors, (15), 3 states have return successors, (12), 6 states have call predecessors, (12), 5 states have call successors, (12) [2022-07-22 17:33:36,351 INFO L276 IsEmpty]: Start isEmpty. Operand 223747 states and 384542 transitions. [2022-07-22 17:33:36,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-07-22 17:33:36,409 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:33:36,409 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 17:33:36,409 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-07-22 17:33:36,409 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:33:36,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:33:36,410 INFO L85 PathProgramCache]: Analyzing trace with hash -1196970083, now seen corresponding path program 1 times [2022-07-22 17:33:36,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:33:36,410 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237240792] [2022-07-22 17:33:36,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:33:36,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:33:36,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:33:36,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 17:33:36,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:33:36,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-22 17:33:36,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:33:36,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-22 17:33:36,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:33:36,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-22 17:33:36,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:33:36,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-22 17:33:36,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:33:36,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-22 17:33:36,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:33:36,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-22 17:33:36,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:33:36,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-22 17:33:36,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:33:36,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-22 17:33:36,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:33:36,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-07-22 17:33:36,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:33:36,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-22 17:33:36,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:33:36,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-07-22 17:33:36,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:33:36,576 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-07-22 17:33:36,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:33:36,576 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237240792] [2022-07-22 17:33:36,576 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [237240792] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:33:36,576 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:33:36,577 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-07-22 17:33:36,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914003659] [2022-07-22 17:33:36,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:33:36,577 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-07-22 17:33:36,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:33:36,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-07-22 17:33:36,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2022-07-22 17:33:36,578 INFO L87 Difference]: Start difference. First operand 223747 states and 384542 transitions. Second operand has 14 states, 14 states have (on average 6.357142857142857) internal successors, (89), 7 states have internal predecessors, (89), 5 states have call successors, (15), 8 states have call predecessors, (15), 1 states have return successors, (12), 5 states have call predecessors, (12), 5 states have call successors, (12)