./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/email_spec0_product34.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6c24879c 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_spec0_product34.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 6360accf87941df9e6bbc5dca5477ecef598d17cc597fc561012b4ee441ae425 --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 05:58:34,504 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 05:58:34,505 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 05:58:34,532 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 05:58:34,532 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 05:58:34,533 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 05:58:34,534 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 05:58:34,538 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 05:58:34,539 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 05:58:34,542 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 05:58:34,543 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 05:58:34,545 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 05:58:34,545 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 05:58:34,547 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 05:58:34,548 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 05:58:34,550 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 05:58:34,551 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 05:58:34,552 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 05:58:34,553 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 05:58:34,557 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 05:58:34,558 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 05:58:34,559 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 05:58:34,559 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 05:58:34,560 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 05:58:34,561 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 05:58:34,566 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 05:58:34,566 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 05:58:34,567 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 05:58:34,568 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 05:58:34,568 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 05:58:34,569 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 05:58:34,570 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 05:58:34,571 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 05:58:34,571 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 05:58:34,572 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 05:58:34,572 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 05:58:34,572 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 05:58:34,573 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 05:58:34,573 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 05:58:34,573 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 05:58:34,574 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 05:58:34,575 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 05:58:34,576 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-12 05:58:34,604 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 05:58:34,605 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 05:58:34,605 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 05:58:34,605 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 05:58:34,606 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 05:58:34,606 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 05:58:34,606 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 05:58:34,606 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 05:58:34,607 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 05:58:34,607 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 05:58:34,607 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-12 05:58:34,608 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 05:58:34,608 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-12 05:58:34,608 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 05:58:34,608 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 05:58:34,608 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 05:58:34,608 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 05:58:34,608 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-12 05:58:34,609 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 05:58:34,609 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 05:58:34,609 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 05:58:34,609 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 05:58:34,609 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 05:58:34,609 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 05:58:34,609 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 05:58:34,610 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 05:58:34,610 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 05:58:34,610 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 05:58:34,610 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 05:58:34,610 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 05:58:34,610 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 05:58:34,611 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 05:58:34,611 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 05:58:34,611 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6360accf87941df9e6bbc5dca5477ecef598d17cc597fc561012b4ee441ae425 [2022-07-12 05:58:34,785 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 05:58:34,806 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 05:58:34,808 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 05:58:34,808 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 05:58:34,809 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 05:58:34,810 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec0_product34.cil.c [2022-07-12 05:58:34,853 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f174050d5/33e9d1d5fa3148a2a2fe63f8c94bc7ae/FLAG4afd468fa [2022-07-12 05:58:35,323 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 05:58:35,323 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec0_product34.cil.c [2022-07-12 05:58:35,347 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f174050d5/33e9d1d5fa3148a2a2fe63f8c94bc7ae/FLAG4afd468fa [2022-07-12 05:58:35,359 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f174050d5/33e9d1d5fa3148a2a2fe63f8c94bc7ae [2022-07-12 05:58:35,360 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 05:58:35,361 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 05:58:35,363 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 05:58:35,363 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 05:58:35,365 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 05:58:35,366 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 05:58:35" (1/1) ... [2022-07-12 05:58:35,367 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e8bee1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 05:58:35, skipping insertion in model container [2022-07-12 05:58:35,367 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 05:58:35" (1/1) ... [2022-07-12 05:58:35,371 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 05:58:35,422 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 05:58:35,600 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_spec0_product34.cil.c[12611,12624] [2022-07-12 05:58:35,769 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 05:58:35,793 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 05:58:35,818 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_spec0_product34.cil.c[12611,12624] [2022-07-12 05:58:35,868 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 05:58:35,888 INFO L208 MainTranslator]: Completed translation [2022-07-12 05:58:35,888 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 05:58:35 WrapperNode [2022-07-12 05:58:35,888 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 05:58:35,889 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 05:58:35,889 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 05:58:35,889 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 05:58:35,893 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 05:58:35" (1/1) ... [2022-07-12 05:58:35,915 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 05:58:35" (1/1) ... [2022-07-12 05:58:35,977 INFO L137 Inliner]: procedures = 134, calls = 236, calls flagged for inlining = 62, calls inlined = 59, statements flattened = 1087 [2022-07-12 05:58:35,978 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 05:58:35,978 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 05:58:35,978 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 05:58:35,978 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 05:58:35,984 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 05:58:35" (1/1) ... [2022-07-12 05:58:35,987 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 05:58:35" (1/1) ... [2022-07-12 05:58:35,993 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 05:58:35" (1/1) ... [2022-07-12 05:58:35,994 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 05:58:35" (1/1) ... [2022-07-12 05:58:36,036 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 05:58:35" (1/1) ... [2022-07-12 05:58:36,053 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 05:58:35" (1/1) ... [2022-07-12 05:58:36,056 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 05:58:35" (1/1) ... [2022-07-12 05:58:36,074 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 05:58:36,075 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 05:58:36,075 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 05:58:36,075 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 05:58:36,076 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 05:58:35" (1/1) ... [2022-07-12 05:58:36,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 05:58:36,118 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 05:58:36,128 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) [2022-07-12 05:58:36,134 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 [2022-07-12 05:58:36,176 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2022-07-12 05:58:36,177 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2022-07-12 05:58:36,177 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2022-07-12 05:58:36,177 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2022-07-12 05:58:36,177 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2022-07-12 05:58:36,177 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2022-07-12 05:58:36,177 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2022-07-12 05:58:36,177 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2022-07-12 05:58:36,178 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2022-07-12 05:58:36,178 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2022-07-12 05:58:36,178 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2022-07-12 05:58:36,178 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2022-07-12 05:58:36,178 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2022-07-12 05:58:36,178 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2022-07-12 05:58:36,178 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2022-07-12 05:58:36,178 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2022-07-12 05:58:36,179 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2022-07-12 05:58:36,179 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2022-07-12 05:58:36,179 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2022-07-12 05:58:36,179 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2022-07-12 05:58:36,179 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2022-07-12 05:58:36,179 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2022-07-12 05:58:36,179 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2022-07-12 05:58:36,179 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2022-07-12 05:58:36,180 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2022-07-12 05:58:36,180 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2022-07-12 05:58:36,180 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2022-07-12 05:58:36,180 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2022-07-12 05:58:36,180 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2022-07-12 05:58:36,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 05:58:36,180 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2022-07-12 05:58:36,180 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2022-07-12 05:58:36,181 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2022-07-12 05:58:36,181 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2022-07-12 05:58:36,181 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2022-07-12 05:58:36,181 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2022-07-12 05:58:36,181 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2022-07-12 05:58:36,181 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2022-07-12 05:58:36,181 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2022-07-12 05:58:36,181 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2022-07-12 05:58:36,182 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2022-07-12 05:58:36,182 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2022-07-12 05:58:36,182 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2022-07-12 05:58:36,182 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2022-07-12 05:58:36,182 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2022-07-12 05:58:36,182 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2022-07-12 05:58:36,182 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2022-07-12 05:58:36,182 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2022-07-12 05:58:36,183 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2022-07-12 05:58:36,183 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2022-07-12 05:58:36,183 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2022-07-12 05:58:36,183 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2022-07-12 05:58:36,183 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2022-07-12 05:58:36,183 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2022-07-12 05:58:36,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-12 05:58:36,184 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2022-07-12 05:58:36,184 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2022-07-12 05:58:36,184 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2022-07-12 05:58:36,184 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2022-07-12 05:58:36,184 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 05:58:36,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 05:58:36,456 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 05:58:36,460 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 05:58:37,024 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 05:58:37,036 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 05:58:37,037 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-12 05:58:37,039 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 05:58:37 BoogieIcfgContainer [2022-07-12 05:58:37,039 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 05:58:37,040 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 05:58:37,040 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 05:58:37,043 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 05:58:37,043 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 05:58:35" (1/3) ... [2022-07-12 05:58:37,044 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@343501d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 05:58:37, skipping insertion in model container [2022-07-12 05:58:37,044 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 05:58:35" (2/3) ... [2022-07-12 05:58:37,044 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@343501d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 05:58:37, skipping insertion in model container [2022-07-12 05:58:37,044 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 05:58:37" (3/3) ... [2022-07-12 05:58:37,045 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec0_product34.cil.c [2022-07-12 05:58:37,054 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 05:58:37,056 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-12 05:58:37,107 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 05:58:37,114 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@48faa22f, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@49ff4f5c [2022-07-12 05:58:37,114 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-12 05:58:37,119 INFO L276 IsEmpty]: Start isEmpty. Operand has 444 states, 344 states have (on average 1.5377906976744187) internal successors, (529), 349 states have internal predecessors, (529), 70 states have call successors, (70), 28 states have call predecessors, (70), 28 states have return successors, (70), 69 states have call predecessors, (70), 70 states have call successors, (70) [2022-07-12 05:58:37,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2022-07-12 05:58:37,141 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 05:58:37,142 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 05:58:37,142 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 05:58:37,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 05:58:37,146 INFO L85 PathProgramCache]: Analyzing trace with hash -736744195, now seen corresponding path program 1 times [2022-07-12 05:58:37,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 05:58:37,152 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937322405] [2022-07-12 05:58:37,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 05:58:37,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 05:58:37,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:37,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 05:58:37,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:37,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 05:58:37,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:37,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 05:58:37,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:37,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-12 05:58:37,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:37,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-12 05:58:37,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:37,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 05:58:37,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:37,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 05:58:37,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:37,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-12 05:58:37,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:37,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-12 05:58:37,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:37,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 05:58:37,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:37,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-12 05:58:37,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:37,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-12 05:58:37,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:37,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-12 05:58:37,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:37,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-07-12 05:58:37,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:37,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-12 05:58:37,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:37,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-12 05:58:37,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:37,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 05:58:37,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:37,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-12 05:58:37,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:37,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-12 05:58:37,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:37,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 05:58:37,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:37,673 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2022-07-12 05:58:37,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 05:58:37,673 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937322405] [2022-07-12 05:58:37,674 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [937322405] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-12 05:58:37,674 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1924214658] [2022-07-12 05:58:37,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 05:58:37,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 05:58:37,674 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 05:58:37,676 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) [2022-07-12 05:58:37,677 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-12 05:58:37,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:38,000 INFO L263 TraceCheckSpWp]: Trace formula consists of 1325 conjuncts, 1 conjunts are in the unsatisfiable core [2022-07-12 05:58:38,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 05:58:38,022 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2022-07-12 05:58:38,023 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 05:58:38,023 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1924214658] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 05:58:38,023 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-12 05:58:38,023 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 9 [2022-07-12 05:58:38,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34844625] [2022-07-12 05:58:38,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 05:58:38,028 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-12 05:58:38,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 05:58:38,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-12 05:58:38,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-12 05:58:38,046 INFO L87 Difference]: Start difference. First operand has 444 states, 344 states have (on average 1.5377906976744187) internal successors, (529), 349 states have internal predecessors, (529), 70 states have call successors, (70), 28 states have call predecessors, (70), 28 states have return successors, (70), 69 states have call predecessors, (70), 70 states have call successors, (70) Second operand has 2 states, 2 states have (on average 40.0) internal successors, (80), 2 states have internal predecessors, (80), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-07-12 05:58:38,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 05:58:38,092 INFO L93 Difference]: Finished difference Result 695 states and 1028 transitions. [2022-07-12 05:58:38,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-12 05:58:38,094 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 40.0) internal successors, (80), 2 states have internal predecessors, (80), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 154 [2022-07-12 05:58:38,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 05:58:38,106 INFO L225 Difference]: With dead ends: 695 [2022-07-12 05:58:38,106 INFO L226 Difference]: Without dead ends: 437 [2022-07-12 05:58:38,111 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-12 05:58:38,113 INFO L413 NwaCegarLoop]: 665 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, 665 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 [2022-07-12 05:58:38,114 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 665 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 05:58:38,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2022-07-12 05:58:38,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 437. [2022-07-12 05:58:38,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 437 states, 338 states have (on average 1.532544378698225) internal successors, (518), 342 states have internal predecessors, (518), 70 states have call successors, (70), 28 states have call predecessors, (70), 28 states have return successors, (69), 68 states have call predecessors, (69), 69 states have call successors, (69) [2022-07-12 05:58:38,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 437 states and 657 transitions. [2022-07-12 05:58:38,175 INFO L78 Accepts]: Start accepts. Automaton has 437 states and 657 transitions. Word has length 154 [2022-07-12 05:58:38,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 05:58:38,176 INFO L495 AbstractCegarLoop]: Abstraction has 437 states and 657 transitions. [2022-07-12 05:58:38,177 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 40.0) internal successors, (80), 2 states have internal predecessors, (80), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-07-12 05:58:38,177 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 657 transitions. [2022-07-12 05:58:38,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2022-07-12 05:58:38,182 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 05:58:38,183 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 05:58:38,210 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-07-12 05:58:38,411 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 [2022-07-12 05:58:38,413 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 05:58:38,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 05:58:38,414 INFO L85 PathProgramCache]: Analyzing trace with hash -7286231, now seen corresponding path program 1 times [2022-07-12 05:58:38,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 05:58:38,414 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547157580] [2022-07-12 05:58:38,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 05:58:38,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 05:58:38,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:38,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 05:58:38,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:38,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 05:58:38,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:38,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 05:58:38,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:38,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-12 05:58:38,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:38,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-12 05:58:38,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:38,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 05:58:38,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:38,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-12 05:58:38,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:38,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-07-12 05:58:38,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:38,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-12 05:58:38,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:38,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-12 05:58:38,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:38,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-12 05:58:38,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:38,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-12 05:58:38,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:38,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-12 05:58:38,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:38,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 05:58:38,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:38,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-12 05:58:38,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:38,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-12 05:58:38,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:38,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 05:58:38,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:38,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-12 05:58:38,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:38,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-12 05:58:38,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:38,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 05:58:38,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:38,578 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2022-07-12 05:58:38,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 05:58:38,578 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547157580] [2022-07-12 05:58:38,578 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [547157580] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-12 05:58:38,579 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1099894292] [2022-07-12 05:58:38,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 05:58:38,579 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 05:58:38,579 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 05:58:38,591 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) [2022-07-12 05:58:38,610 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-12 05:58:38,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:38,867 INFO L263 TraceCheckSpWp]: Trace formula consists of 1326 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 05:58:38,872 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 05:58:38,893 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2022-07-12 05:58:38,893 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 05:58:38,893 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1099894292] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 05:58:38,893 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-12 05:58:38,893 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2022-07-12 05:58:38,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732339564] [2022-07-12 05:58:38,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 05:58:38,894 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 05:58:38,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 05:58:38,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 05:58:38,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-07-12 05:58:38,895 INFO L87 Difference]: Start difference. First operand 437 states and 657 transitions. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-07-12 05:58:38,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 05:58:38,942 INFO L93 Difference]: Finished difference Result 685 states and 1006 transitions. [2022-07-12 05:58:38,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 05:58:38,942 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 155 [2022-07-12 05:58:38,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 05:58:38,946 INFO L225 Difference]: With dead ends: 685 [2022-07-12 05:58:38,949 INFO L226 Difference]: Without dead ends: 440 [2022-07-12 05:58:38,951 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-07-12 05:58:38,955 INFO L413 NwaCegarLoop]: 655 mSDtfsCounter, 1 mSDsluCounter, 653 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1308 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 [2022-07-12 05:58:38,956 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1308 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 05:58:38,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2022-07-12 05:58:38,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 439. [2022-07-12 05:58:38,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 439 states, 340 states have (on average 1.5294117647058822) internal successors, (520), 344 states have internal predecessors, (520), 70 states have call successors, (70), 28 states have call predecessors, (70), 28 states have return successors, (69), 68 states have call predecessors, (69), 69 states have call successors, (69) [2022-07-12 05:58:38,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 659 transitions. [2022-07-12 05:58:38,998 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 659 transitions. Word has length 155 [2022-07-12 05:58:38,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 05:58:38,998 INFO L495 AbstractCegarLoop]: Abstraction has 439 states and 659 transitions. [2022-07-12 05:58:38,999 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-07-12 05:58:38,999 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 659 transitions. [2022-07-12 05:58:39,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-07-12 05:58:39,001 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 05:58:39,002 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 05:58:39,038 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-12 05:58:39,202 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 [2022-07-12 05:58:39,202 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 05:58:39,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 05:58:39,203 INFO L85 PathProgramCache]: Analyzing trace with hash -1880981239, now seen corresponding path program 1 times [2022-07-12 05:58:39,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 05:58:39,203 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1932127814] [2022-07-12 05:58:39,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 05:58:39,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 05:58:39,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:39,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 05:58:39,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:39,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 05:58:39,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:39,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 05:58:39,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:39,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-12 05:58:39,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:39,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-12 05:58:39,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:39,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 05:58:39,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:39,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-12 05:58:39,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:39,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-12 05:58:39,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:39,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-07-12 05:58:39,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:39,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-12 05:58:39,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:39,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-12 05:58:39,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:39,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-12 05:58:39,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:39,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-12 05:58:39,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:39,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-12 05:58:39,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:39,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-12 05:58:39,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:39,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-07-12 05:58:39,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:39,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-12 05:58:39,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:39,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-07-12 05:58:39,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:39,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-12 05:58:39,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:39,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 05:58:39,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:39,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-12 05:58:39,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:39,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-12 05:58:39,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:39,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 05:58:39,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:39,418 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2022-07-12 05:58:39,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 05:58:39,420 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1932127814] [2022-07-12 05:58:39,420 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1932127814] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-12 05:58:39,421 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1498138397] [2022-07-12 05:58:39,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 05:58:39,421 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 05:58:39,421 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 05:58:39,434 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) [2022-07-12 05:58:39,435 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-12 05:58:39,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:39,694 INFO L263 TraceCheckSpWp]: Trace formula consists of 1421 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-12 05:58:39,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 05:58:39,726 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-07-12 05:58:39,727 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 05:58:39,727 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1498138397] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 05:58:39,727 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-12 05:58:39,727 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2022-07-12 05:58:39,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251501011] [2022-07-12 05:58:39,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 05:58:39,728 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 05:58:39,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 05:58:39,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 05:58:39,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-07-12 05:58:39,728 INFO L87 Difference]: Start difference. First operand 439 states and 659 transitions. Second operand has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-07-12 05:58:39,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 05:58:39,765 INFO L93 Difference]: Finished difference Result 926 states and 1410 transitions. [2022-07-12 05:58:39,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 05:58:39,765 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 180 [2022-07-12 05:58:39,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 05:58:39,768 INFO L225 Difference]: With dead ends: 926 [2022-07-12 05:58:39,768 INFO L226 Difference]: Without dead ends: 514 [2022-07-12 05:58:39,769 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 221 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-07-12 05:58:39,770 INFO L413 NwaCegarLoop]: 674 mSDtfsCounter, 134 mSDsluCounter, 609 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 1283 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 [2022-07-12 05:58:39,770 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 1283 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 05:58:39,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 514 states. [2022-07-12 05:58:39,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 514 to 506. [2022-07-12 05:58:39,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 506 states, 393 states have (on average 1.549618320610687) internal successors, (609), 397 states have internal predecessors, (609), 84 states have call successors, (84), 28 states have call predecessors, (84), 28 states have return successors, (83), 82 states have call predecessors, (83), 83 states have call successors, (83) [2022-07-12 05:58:39,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 506 states and 776 transitions. [2022-07-12 05:58:39,785 INFO L78 Accepts]: Start accepts. Automaton has 506 states and 776 transitions. Word has length 180 [2022-07-12 05:58:39,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 05:58:39,786 INFO L495 AbstractCegarLoop]: Abstraction has 506 states and 776 transitions. [2022-07-12 05:58:39,786 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-07-12 05:58:39,786 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 776 transitions. [2022-07-12 05:58:39,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2022-07-12 05:58:39,788 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 05:58:39,788 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 05:58:39,821 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-07-12 05:58:40,021 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 [2022-07-12 05:58:40,022 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 05:58:40,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 05:58:40,022 INFO L85 PathProgramCache]: Analyzing trace with hash -1495955370, now seen corresponding path program 1 times [2022-07-12 05:58:40,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 05:58:40,022 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604678673] [2022-07-12 05:58:40,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 05:58:40,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 05:58:40,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:40,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 05:58:40,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:40,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 05:58:40,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:40,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 05:58:40,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:40,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-12 05:58:40,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:40,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-12 05:58:40,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:40,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 05:58:40,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:40,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-12 05:58:40,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:40,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-12 05:58:40,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:40,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 05:58:40,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:40,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-12 05:58:40,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:40,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-07-12 05:58:40,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:40,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-12 05:58:40,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:40,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-12 05:58:40,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:40,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-12 05:58:40,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:40,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-12 05:58:40,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:40,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-12 05:58:40,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:40,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 05:58:40,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:40,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-12 05:58:40,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:40,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-12 05:58:40,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:40,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 05:58:40,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:40,147 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-07-12 05:58:40,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 05:58:40,147 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1604678673] [2022-07-12 05:58:40,148 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1604678673] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-12 05:58:40,148 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [363030425] [2022-07-12 05:58:40,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 05:58:40,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 05:58:40,148 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 05:58:40,149 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) [2022-07-12 05:58:40,151 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-07-12 05:58:40,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:40,388 INFO L263 TraceCheckSpWp]: Trace formula consists of 1347 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-12 05:58:40,393 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 05:58:40,452 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-07-12 05:58:40,452 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 05:58:40,452 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [363030425] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 05:58:40,452 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-12 05:58:40,453 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2022-07-12 05:58:40,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106620383] [2022-07-12 05:58:40,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 05:58:40,454 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 05:58:40,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 05:58:40,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 05:58:40,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-07-12 05:58:40,456 INFO L87 Difference]: Start difference. First operand 506 states and 776 transitions. Second operand has 5 states, 4 states have (on average 24.0) internal successors, (96), 5 states have internal predecessors, (96), 3 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) [2022-07-12 05:58:40,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 05:58:40,516 INFO L93 Difference]: Finished difference Result 1003 states and 1542 transitions. [2022-07-12 05:58:40,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 05:58:40,517 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 24.0) internal successors, (96), 5 states have internal predecessors, (96), 3 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) Word has length 162 [2022-07-12 05:58:40,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 05:58:40,520 INFO L225 Difference]: With dead ends: 1003 [2022-07-12 05:58:40,520 INFO L226 Difference]: Without dead ends: 508 [2022-07-12 05:58:40,522 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2022-07-12 05:58:40,524 INFO L413 NwaCegarLoop]: 648 mSDtfsCounter, 152 mSDsluCounter, 1769 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 2417 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 [2022-07-12 05:58:40,527 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 2417 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 05:58:40,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 508 states. [2022-07-12 05:58:40,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 508 to 508. [2022-07-12 05:58:40,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 508 states, 394 states have (on average 1.5482233502538072) internal successors, (610), 399 states have internal predecessors, (610), 84 states have call successors, (84), 28 states have call predecessors, (84), 29 states have return successors, (85), 82 states have call predecessors, (85), 83 states have call successors, (85) [2022-07-12 05:58:40,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 508 states and 779 transitions. [2022-07-12 05:58:40,548 INFO L78 Accepts]: Start accepts. Automaton has 508 states and 779 transitions. Word has length 162 [2022-07-12 05:58:40,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 05:58:40,549 INFO L495 AbstractCegarLoop]: Abstraction has 508 states and 779 transitions. [2022-07-12 05:58:40,549 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 24.0) internal successors, (96), 5 states have internal predecessors, (96), 3 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) [2022-07-12 05:58:40,549 INFO L276 IsEmpty]: Start isEmpty. Operand 508 states and 779 transitions. [2022-07-12 05:58:40,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-07-12 05:58:40,552 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 05:58:40,552 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 05:58:40,574 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-07-12 05:58:40,763 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 [2022-07-12 05:58:40,763 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 05:58:40,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 05:58:40,764 INFO L85 PathProgramCache]: Analyzing trace with hash 1972085836, now seen corresponding path program 1 times [2022-07-12 05:58:40,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 05:58:40,764 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191843150] [2022-07-12 05:58:40,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 05:58:40,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 05:58:40,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:40,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 05:58:40,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:40,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 05:58:40,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:40,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 05:58:40,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:40,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 05:58:40,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:40,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-12 05:58:40,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:40,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-12 05:58:40,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:40,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-12 05:58:40,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:40,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-12 05:58:40,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:40,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-12 05:58:40,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:40,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-12 05:58:40,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:40,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-07-12 05:58:40,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:40,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-12 05:58:40,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:40,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-12 05:58:40,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:40,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-12 05:58:40,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:40,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-12 05:58:40,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:40,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-12 05:58:40,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:40,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 05:58:40,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:40,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-12 05:58:40,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:40,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-12 05:58:40,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:40,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 05:58:40,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:40,920 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-07-12 05:58:40,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 05:58:40,921 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191843150] [2022-07-12 05:58:40,921 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [191843150] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-12 05:58:40,921 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1361561755] [2022-07-12 05:58:40,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 05:58:40,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 05:58:40,921 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 05:58:40,925 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) [2022-07-12 05:58:40,926 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-07-12 05:58:41,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:41,148 INFO L263 TraceCheckSpWp]: Trace formula consists of 1348 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-12 05:58:41,151 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 05:58:41,193 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-07-12 05:58:41,193 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 05:58:41,193 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1361561755] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 05:58:41,193 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-12 05:58:41,193 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2022-07-12 05:58:41,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460026631] [2022-07-12 05:58:41,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 05:58:41,194 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 05:58:41,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 05:58:41,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 05:58:41,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2022-07-12 05:58:41,194 INFO L87 Difference]: Start difference. First operand 508 states and 779 transitions. Second operand has 5 states, 5 states have (on average 19.6) internal successors, (98), 5 states have internal predecessors, (98), 3 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-07-12 05:58:41,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 05:58:41,248 INFO L93 Difference]: Finished difference Result 1005 states and 1547 transitions. [2022-07-12 05:58:41,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 05:58:41,248 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.6) internal successors, (98), 5 states have internal predecessors, (98), 3 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 163 [2022-07-12 05:58:41,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 05:58:41,251 INFO L225 Difference]: With dead ends: 1005 [2022-07-12 05:58:41,251 INFO L226 Difference]: Without dead ends: 510 [2022-07-12 05:58:41,252 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2022-07-12 05:58:41,252 INFO L413 NwaCegarLoop]: 646 mSDtfsCounter, 151 mSDsluCounter, 1760 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 2406 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 [2022-07-12 05:58:41,253 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [174 Valid, 2406 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 05:58:41,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 510 states. [2022-07-12 05:58:41,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 510 to 510. [2022-07-12 05:58:41,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 510 states, 395 states have (on average 1.5468354430379747) internal successors, (611), 401 states have internal predecessors, (611), 84 states have call successors, (84), 28 states have call predecessors, (84), 30 states have return successors, (90), 82 states have call predecessors, (90), 83 states have call successors, (90) [2022-07-12 05:58:41,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 510 states and 785 transitions. [2022-07-12 05:58:41,268 INFO L78 Accepts]: Start accepts. Automaton has 510 states and 785 transitions. Word has length 163 [2022-07-12 05:58:41,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 05:58:41,268 INFO L495 AbstractCegarLoop]: Abstraction has 510 states and 785 transitions. [2022-07-12 05:58:41,268 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.6) internal successors, (98), 5 states have internal predecessors, (98), 3 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-07-12 05:58:41,268 INFO L276 IsEmpty]: Start isEmpty. Operand 510 states and 785 transitions. [2022-07-12 05:58:41,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2022-07-12 05:58:41,270 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 05:58:41,271 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 05:58:41,293 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-07-12 05:58:41,491 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 [2022-07-12 05:58:41,491 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 05:58:41,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 05:58:41,492 INFO L85 PathProgramCache]: Analyzing trace with hash 490747617, now seen corresponding path program 1 times [2022-07-12 05:58:41,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 05:58:41,492 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830991591] [2022-07-12 05:58:41,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 05:58:41,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 05:58:41,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:41,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 05:58:41,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:41,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 05:58:41,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:41,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 05:58:41,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:41,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 05:58:41,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:41,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 05:58:41,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:41,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-12 05:58:41,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:41,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-07-12 05:58:41,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:41,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-12 05:58:41,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:41,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-12 05:58:41,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:41,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-12 05:58:41,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:41,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-12 05:58:41,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:41,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-12 05:58:41,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:41,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-12 05:58:41,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:41,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-07-12 05:58:41,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:41,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-12 05:58:41,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:41,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-12 05:58:41,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:41,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 05:58:41,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:41,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-12 05:58:41,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:41,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-12 05:58:41,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:41,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 05:58:41,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:41,613 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-07-12 05:58:41,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 05:58:41,613 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830991591] [2022-07-12 05:58:41,613 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1830991591] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 05:58:41,613 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 05:58:41,614 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-12 05:58:41,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045338708] [2022-07-12 05:58:41,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 05:58:41,614 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 05:58:41,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 05:58:41,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 05:58:41,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-12 05:58:41,615 INFO L87 Difference]: Start difference. First operand 510 states and 785 transitions. Second operand has 9 states, 8 states have (on average 11.75) internal successors, (94), 5 states have internal predecessors, (94), 3 states have call successors, (22), 6 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) [2022-07-12 05:58:43,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 05:58:43,504 INFO L93 Difference]: Finished difference Result 1210 states and 1874 transitions. [2022-07-12 05:58:43,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-12 05:58:43,504 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 11.75) internal successors, (94), 5 states have internal predecessors, (94), 3 states have call successors, (22), 6 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) Word has length 164 [2022-07-12 05:58:43,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 05:58:43,508 INFO L225 Difference]: With dead ends: 1210 [2022-07-12 05:58:43,508 INFO L226 Difference]: Without dead ends: 723 [2022-07-12 05:58:43,510 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2022-07-12 05:58:43,511 INFO L413 NwaCegarLoop]: 721 mSDtfsCounter, 1784 mSDsluCounter, 985 mSDsCounter, 0 mSdLazyCounter, 2554 mSolverCounterSat, 747 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1806 SdHoareTripleChecker+Valid, 1706 SdHoareTripleChecker+Invalid, 3301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 747 IncrementalHoareTripleChecker+Valid, 2554 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-07-12 05:58:43,511 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1806 Valid, 1706 Invalid, 3301 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [747 Valid, 2554 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-07-12 05:58:43,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 723 states. [2022-07-12 05:58:43,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 723 to 510. [2022-07-12 05:58:43,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 510 states, 395 states have (on average 1.5468354430379747) internal successors, (611), 401 states have internal predecessors, (611), 84 states have call successors, (84), 28 states have call predecessors, (84), 30 states have return successors, (89), 82 states have call predecessors, (89), 83 states have call successors, (89) [2022-07-12 05:58:43,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 510 states and 784 transitions. [2022-07-12 05:58:43,548 INFO L78 Accepts]: Start accepts. Automaton has 510 states and 784 transitions. Word has length 164 [2022-07-12 05:58:43,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 05:58:43,549 INFO L495 AbstractCegarLoop]: Abstraction has 510 states and 784 transitions. [2022-07-12 05:58:43,549 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 11.75) internal successors, (94), 5 states have internal predecessors, (94), 3 states have call successors, (22), 6 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) [2022-07-12 05:58:43,549 INFO L276 IsEmpty]: Start isEmpty. Operand 510 states and 784 transitions. [2022-07-12 05:58:43,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2022-07-12 05:58:43,552 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 05:58:43,552 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 05:58:43,552 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-12 05:58:43,552 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 05:58:43,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 05:58:43,553 INFO L85 PathProgramCache]: Analyzing trace with hash 1728750480, now seen corresponding path program 1 times [2022-07-12 05:58:43,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 05:58:43,553 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061582928] [2022-07-12 05:58:43,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 05:58:43,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 05:58:43,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:43,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 05:58:43,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:43,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 05:58:43,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:43,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 05:58:43,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:43,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 05:58:43,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:43,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 05:58:43,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:43,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-12 05:58:43,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:43,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 05:58:43,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:43,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-12 05:58:43,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:43,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-12 05:58:43,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:43,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 05:58:43,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:43,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-12 05:58:43,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:43,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-12 05:58:43,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:43,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-07-12 05:58:43,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:43,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-12 05:58:43,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:43,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-12 05:58:43,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:43,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-12 05:58:43,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:43,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-12 05:58:43,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:43,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-12 05:58:43,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:43,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-07-12 05:58:43,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:43,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 05:58:43,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:43,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-12 05:58:43,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:43,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-12 05:58:43,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:43,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 05:58:43,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:43,685 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2022-07-12 05:58:43,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 05:58:43,685 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061582928] [2022-07-12 05:58:43,685 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1061582928] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 05:58:43,685 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 05:58:43,686 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-12 05:58:43,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987922547] [2022-07-12 05:58:43,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 05:58:43,686 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 05:58:43,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 05:58:43,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 05:58:43,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-12 05:58:43,687 INFO L87 Difference]: Start difference. First operand 510 states and 784 transitions. Second operand has 9 states, 8 states have (on average 12.75) internal successors, (102), 5 states have internal predecessors, (102), 3 states have call successors, (25), 6 states have call predecessors, (25), 2 states have return successors, (22), 2 states have call predecessors, (22), 3 states have call successors, (22) [2022-07-12 05:58:45,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 05:58:45,374 INFO L93 Difference]: Finished difference Result 1212 states and 1877 transitions. [2022-07-12 05:58:45,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-12 05:58:45,375 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 12.75) internal successors, (102), 5 states have internal predecessors, (102), 3 states have call successors, (25), 6 states have call predecessors, (25), 2 states have return successors, (22), 2 states have call predecessors, (22), 3 states have call successors, (22) Word has length 184 [2022-07-12 05:58:45,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 05:58:45,402 INFO L225 Difference]: With dead ends: 1212 [2022-07-12 05:58:45,402 INFO L226 Difference]: Without dead ends: 725 [2022-07-12 05:58:45,404 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2022-07-12 05:58:45,404 INFO L413 NwaCegarLoop]: 742 mSDtfsCounter, 1738 mSDsluCounter, 985 mSDsCounter, 0 mSdLazyCounter, 2650 mSolverCounterSat, 682 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1760 SdHoareTripleChecker+Valid, 1727 SdHoareTripleChecker+Invalid, 3332 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 682 IncrementalHoareTripleChecker+Valid, 2650 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-12 05:58:45,405 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1760 Valid, 1727 Invalid, 3332 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [682 Valid, 2650 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-12 05:58:45,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 725 states. [2022-07-12 05:58:45,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 725 to 512. [2022-07-12 05:58:45,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 512 states, 396 states have (on average 1.5454545454545454) internal successors, (612), 403 states have internal predecessors, (612), 84 states have call successors, (84), 28 states have call predecessors, (84), 31 states have return successors, (91), 82 states have call predecessors, (91), 83 states have call successors, (91) [2022-07-12 05:58:45,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 512 states and 787 transitions. [2022-07-12 05:58:45,428 INFO L78 Accepts]: Start accepts. Automaton has 512 states and 787 transitions. Word has length 184 [2022-07-12 05:58:45,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 05:58:45,429 INFO L495 AbstractCegarLoop]: Abstraction has 512 states and 787 transitions. [2022-07-12 05:58:45,429 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 12.75) internal successors, (102), 5 states have internal predecessors, (102), 3 states have call successors, (25), 6 states have call predecessors, (25), 2 states have return successors, (22), 2 states have call predecessors, (22), 3 states have call successors, (22) [2022-07-12 05:58:45,429 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 787 transitions. [2022-07-12 05:58:45,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2022-07-12 05:58:45,431 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 05:58:45,431 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 05:58:45,432 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-12 05:58:45,432 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 05:58:45,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 05:58:45,432 INFO L85 PathProgramCache]: Analyzing trace with hash -1796673105, now seen corresponding path program 1 times [2022-07-12 05:58:45,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 05:58:45,432 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483394519] [2022-07-12 05:58:45,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 05:58:45,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 05:58:45,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:45,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 05:58:45,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:45,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 05:58:45,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:45,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 05:58:45,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:45,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 05:58:45,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:45,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 05:58:45,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:45,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-12 05:58:45,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:45,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-12 05:58:45,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:45,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-12 05:58:45,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:45,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-12 05:58:45,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:45,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-12 05:58:45,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:45,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-07-12 05:58:45,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:45,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-12 05:58:45,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:45,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 05:58:45,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:45,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-12 05:58:45,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:45,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-12 05:58:45,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:45,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-12 05:58:45,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:45,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-12 05:58:45,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:45,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-12 05:58:45,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:45,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 05:58:45,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:45,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 05:58:45,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:45,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-07-12 05:58:45,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:45,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-07-12 05:58:45,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:45,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 05:58:45,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:45,547 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2022-07-12 05:58:45,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 05:58:45,548 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483394519] [2022-07-12 05:58:45,548 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1483394519] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 05:58:45,548 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 05:58:45,548 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-12 05:58:45,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742587427] [2022-07-12 05:58:45,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 05:58:45,549 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 05:58:45,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 05:58:45,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 05:58:45,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-12 05:58:45,550 INFO L87 Difference]: Start difference. First operand 512 states and 787 transitions. Second operand has 9 states, 8 states have (on average 12.875) internal successors, (103), 5 states have internal predecessors, (103), 3 states have call successors, (25), 6 states have call predecessors, (25), 2 states have return successors, (22), 2 states have call predecessors, (22), 3 states have call successors, (22) [2022-07-12 05:58:47,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 05:58:47,213 INFO L93 Difference]: Finished difference Result 1212 states and 1876 transitions. [2022-07-12 05:58:47,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-12 05:58:47,214 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 12.875) internal successors, (103), 5 states have internal predecessors, (103), 3 states have call successors, (25), 6 states have call predecessors, (25), 2 states have return successors, (22), 2 states have call predecessors, (22), 3 states have call successors, (22) Word has length 185 [2022-07-12 05:58:47,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 05:58:47,217 INFO L225 Difference]: With dead ends: 1212 [2022-07-12 05:58:47,217 INFO L226 Difference]: Without dead ends: 725 [2022-07-12 05:58:47,218 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=89, Invalid=217, Unknown=0, NotChecked=0, Total=306 [2022-07-12 05:58:47,219 INFO L413 NwaCegarLoop]: 724 mSDtfsCounter, 1773 mSDsluCounter, 985 mSDsCounter, 0 mSdLazyCounter, 2591 mSolverCounterSat, 701 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1795 SdHoareTripleChecker+Valid, 1709 SdHoareTripleChecker+Invalid, 3292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 701 IncrementalHoareTripleChecker+Valid, 2591 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-12 05:58:47,219 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1795 Valid, 1709 Invalid, 3292 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [701 Valid, 2591 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-12 05:58:47,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 725 states. [2022-07-12 05:58:47,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 725 to 512. [2022-07-12 05:58:47,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 512 states, 396 states have (on average 1.5454545454545454) internal successors, (612), 403 states have internal predecessors, (612), 84 states have call successors, (84), 28 states have call predecessors, (84), 31 states have return successors, (91), 82 states have call predecessors, (91), 83 states have call successors, (91) [2022-07-12 05:58:47,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 512 states and 787 transitions. [2022-07-12 05:58:47,241 INFO L78 Accepts]: Start accepts. Automaton has 512 states and 787 transitions. Word has length 185 [2022-07-12 05:58:47,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 05:58:47,242 INFO L495 AbstractCegarLoop]: Abstraction has 512 states and 787 transitions. [2022-07-12 05:58:47,242 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 12.875) internal successors, (103), 5 states have internal predecessors, (103), 3 states have call successors, (25), 6 states have call predecessors, (25), 2 states have return successors, (22), 2 states have call predecessors, (22), 3 states have call successors, (22) [2022-07-12 05:58:47,242 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 787 transitions. [2022-07-12 05:58:47,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2022-07-12 05:58:47,244 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 05:58:47,244 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 05:58:47,244 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-12 05:58:47,244 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 05:58:47,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 05:58:47,245 INFO L85 PathProgramCache]: Analyzing trace with hash 2112431789, now seen corresponding path program 1 times [2022-07-12 05:58:47,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 05:58:47,245 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182912097] [2022-07-12 05:58:47,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 05:58:47,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 05:58:47,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:47,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 05:58:47,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:47,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 05:58:47,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:47,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 05:58:47,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:47,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 05:58:47,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:47,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 05:58:47,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:47,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-12 05:58:47,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:47,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-12 05:58:47,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:47,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-12 05:58:47,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:47,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-12 05:58:47,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:47,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-12 05:58:47,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:47,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-07-12 05:58:47,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:47,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-12 05:58:47,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:47,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 05:58:47,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:47,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-12 05:58:47,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:47,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-12 05:58:47,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:47,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-12 05:58:47,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:47,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-12 05:58:47,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:47,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-12 05:58:47,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:47,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 05:58:47,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:47,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 05:58:47,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:47,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-07-12 05:58:47,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:47,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-07-12 05:58:47,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:47,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 05:58:47,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:47,376 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2022-07-12 05:58:47,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 05:58:47,376 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182912097] [2022-07-12 05:58:47,376 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1182912097] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 05:58:47,376 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 05:58:47,376 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-07-12 05:58:47,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428436934] [2022-07-12 05:58:47,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 05:58:47,377 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-12 05:58:47,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 05:58:47,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-12 05:58:47,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2022-07-12 05:58:47,378 INFO L87 Difference]: Start difference. First operand 512 states and 787 transitions. Second operand has 12 states, 11 states have (on average 9.636363636363637) internal successors, (106), 8 states have internal predecessors, (106), 4 states have call successors, (25), 6 states have call predecessors, (25), 3 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2022-07-12 05:58:49,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 05:58:49,259 INFO L93 Difference]: Finished difference Result 1210 states and 1871 transitions. [2022-07-12 05:58:49,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-12 05:58:49,259 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 9.636363636363637) internal successors, (106), 8 states have internal predecessors, (106), 4 states have call successors, (25), 6 states have call predecessors, (25), 3 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) Word has length 185 [2022-07-12 05:58:49,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 05:58:49,262 INFO L225 Difference]: With dead ends: 1210 [2022-07-12 05:58:49,262 INFO L226 Difference]: Without dead ends: 725 [2022-07-12 05:58:49,264 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=112, Invalid=440, Unknown=0, NotChecked=0, Total=552 [2022-07-12 05:58:49,265 INFO L413 NwaCegarLoop]: 729 mSDtfsCounter, 1862 mSDsluCounter, 1358 mSDsCounter, 0 mSdLazyCounter, 4754 mSolverCounterSat, 759 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1862 SdHoareTripleChecker+Valid, 2087 SdHoareTripleChecker+Invalid, 5513 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 759 IncrementalHoareTripleChecker+Valid, 4754 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-07-12 05:58:49,266 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1862 Valid, 2087 Invalid, 5513 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [759 Valid, 4754 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-07-12 05:58:49,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 725 states. [2022-07-12 05:58:49,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 725 to 512. [2022-07-12 05:58:49,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 512 states, 396 states have (on average 1.5454545454545454) internal successors, (612), 403 states have internal predecessors, (612), 84 states have call successors, (84), 28 states have call predecessors, (84), 31 states have return successors, (90), 82 states have call predecessors, (90), 83 states have call successors, (90) [2022-07-12 05:58:49,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 512 states and 786 transitions. [2022-07-12 05:58:49,289 INFO L78 Accepts]: Start accepts. Automaton has 512 states and 786 transitions. Word has length 185 [2022-07-12 05:58:49,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 05:58:49,290 INFO L495 AbstractCegarLoop]: Abstraction has 512 states and 786 transitions. [2022-07-12 05:58:49,290 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 9.636363636363637) internal successors, (106), 8 states have internal predecessors, (106), 4 states have call successors, (25), 6 states have call predecessors, (25), 3 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2022-07-12 05:58:49,290 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 786 transitions. [2022-07-12 05:58:49,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2022-07-12 05:58:49,292 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 05:58:49,292 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 05:58:49,292 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-12 05:58:49,292 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 05:58:49,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 05:58:49,293 INFO L85 PathProgramCache]: Analyzing trace with hash -1312754867, now seen corresponding path program 1 times [2022-07-12 05:58:49,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 05:58:49,293 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828001396] [2022-07-12 05:58:49,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 05:58:49,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 05:58:49,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:49,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 05:58:49,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:49,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 05:58:49,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:49,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 05:58:49,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:49,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 05:58:49,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:49,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 05:58:49,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:49,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-12 05:58:49,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:49,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-12 05:58:49,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:49,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-12 05:58:49,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:49,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-12 05:58:49,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:49,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-12 05:58:49,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:49,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 05:58:49,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:49,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-12 05:58:49,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:49,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-12 05:58:49,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:49,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-12 05:58:49,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:49,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-12 05:58:49,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:49,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-12 05:58:49,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:49,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 05:58:49,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:49,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-12 05:58:49,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:49,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-12 05:58:49,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:49,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 05:58:49,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:49,412 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-07-12 05:58:49,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 05:58:49,413 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828001396] [2022-07-12 05:58:49,413 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1828001396] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 05:58:49,413 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 05:58:49,413 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-07-12 05:58:49,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128000053] [2022-07-12 05:58:49,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 05:58:49,414 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-12 05:58:49,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 05:58:49,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-12 05:58:49,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2022-07-12 05:58:49,415 INFO L87 Difference]: Start difference. First operand 512 states and 786 transitions. Second operand has 12 states, 11 states have (on average 9.090909090909092) internal successors, (100), 8 states have internal predecessors, (100), 4 states have call successors, (22), 6 states have call predecessors, (22), 3 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2022-07-12 05:58:51,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 05:58:51,413 INFO L93 Difference]: Finished difference Result 1212 states and 1877 transitions. [2022-07-12 05:58:51,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-12 05:58:51,414 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 9.090909090909092) internal successors, (100), 8 states have internal predecessors, (100), 4 states have call successors, (22), 6 states have call predecessors, (22), 3 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) Word has length 167 [2022-07-12 05:58:51,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 05:58:51,417 INFO L225 Difference]: With dead ends: 1212 [2022-07-12 05:58:51,417 INFO L226 Difference]: Without dead ends: 727 [2022-07-12 05:58:51,419 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=112, Invalid=440, Unknown=0, NotChecked=0, Total=552 [2022-07-12 05:58:51,419 INFO L413 NwaCegarLoop]: 705 mSDtfsCounter, 1916 mSDsluCounter, 1358 mSDsCounter, 0 mSdLazyCounter, 4631 mSolverCounterSat, 759 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1916 SdHoareTripleChecker+Valid, 2063 SdHoareTripleChecker+Invalid, 5390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 759 IncrementalHoareTripleChecker+Valid, 4631 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-07-12 05:58:51,420 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1916 Valid, 2063 Invalid, 5390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [759 Valid, 4631 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-07-12 05:58:51,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 727 states. [2022-07-12 05:58:51,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 727 to 514. [2022-07-12 05:58:51,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 514 states, 397 states have (on average 1.544080604534005) internal successors, (613), 405 states have internal predecessors, (613), 84 states have call successors, (84), 28 states have call predecessors, (84), 32 states have return successors, (95), 82 states have call predecessors, (95), 83 states have call successors, (95) [2022-07-12 05:58:51,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 514 states and 792 transitions. [2022-07-12 05:58:51,449 INFO L78 Accepts]: Start accepts. Automaton has 514 states and 792 transitions. Word has length 167 [2022-07-12 05:58:51,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 05:58:51,449 INFO L495 AbstractCegarLoop]: Abstraction has 514 states and 792 transitions. [2022-07-12 05:58:51,449 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 9.090909090909092) internal successors, (100), 8 states have internal predecessors, (100), 4 states have call successors, (22), 6 states have call predecessors, (22), 3 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2022-07-12 05:58:51,450 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 792 transitions. [2022-07-12 05:58:51,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-07-12 05:58:51,452 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 05:58:51,452 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 05:58:51,452 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-12 05:58:51,452 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 05:58:51,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 05:58:51,453 INFO L85 PathProgramCache]: Analyzing trace with hash 1568299986, now seen corresponding path program 1 times [2022-07-12 05:58:51,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 05:58:51,453 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997390452] [2022-07-12 05:58:51,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 05:58:51,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 05:58:51,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:51,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 05:58:51,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:51,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 05:58:51,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:51,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 05:58:51,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:51,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 05:58:51,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:51,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 05:58:51,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:51,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-12 05:58:51,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:51,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-12 05:58:51,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:51,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-12 05:58:51,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:51,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-12 05:58:51,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:51,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-12 05:58:51,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:51,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 05:58:51,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:51,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-12 05:58:51,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:51,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-12 05:58:51,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:51,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-07-12 05:58:51,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:51,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-12 05:58:51,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:51,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-12 05:58:51,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:51,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-12 05:58:51,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:51,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-12 05:58:51,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:51,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-12 05:58:51,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:51,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 05:58:51,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:51,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-12 05:58:51,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:51,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-12 05:58:51,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:51,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 05:58:51,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:51,569 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2022-07-12 05:58:51,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 05:58:51,570 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [997390452] [2022-07-12 05:58:51,570 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [997390452] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-12 05:58:51,570 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2000389268] [2022-07-12 05:58:51,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 05:58:51,570 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 05:58:51,570 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 05:58:51,571 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) [2022-07-12 05:58:51,575 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-07-12 05:58:51,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:51,824 INFO L263 TraceCheckSpWp]: Trace formula consists of 1434 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-12 05:58:51,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 05:58:51,854 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2022-07-12 05:58:51,854 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 05:58:51,932 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2022-07-12 05:58:51,933 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2000389268] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-12 05:58:51,933 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-12 05:58:51,933 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 11 [2022-07-12 05:58:51,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500841205] [2022-07-12 05:58:51,935 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-12 05:58:51,936 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-12 05:58:51,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 05:58:51,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-12 05:58:51,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2022-07-12 05:58:51,937 INFO L87 Difference]: Start difference. First operand 514 states and 792 transitions. Second operand has 11 states, 11 states have (on average 13.727272727272727) internal successors, (151), 7 states have internal predecessors, (151), 2 states have call successors, (52), 6 states have call predecessors, (52), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2022-07-12 05:58:53,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 05:58:53,824 INFO L93 Difference]: Finished difference Result 1414 states and 2270 transitions. [2022-07-12 05:58:53,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-12 05:58:53,825 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 13.727272727272727) internal successors, (151), 7 states have internal predecessors, (151), 2 states have call successors, (52), 6 states have call predecessors, (52), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) Word has length 187 [2022-07-12 05:58:53,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 05:58:53,830 INFO L225 Difference]: With dead ends: 1414 [2022-07-12 05:58:53,830 INFO L226 Difference]: Without dead ends: 1169 [2022-07-12 05:58:53,832 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 432 GetRequests, 417 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2022-07-12 05:58:53,832 INFO L413 NwaCegarLoop]: 861 mSDtfsCounter, 2246 mSDsluCounter, 1331 mSDsCounter, 0 mSdLazyCounter, 2444 mSolverCounterSat, 874 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2300 SdHoareTripleChecker+Valid, 2192 SdHoareTripleChecker+Invalid, 3318 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 874 IncrementalHoareTripleChecker+Valid, 2444 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-07-12 05:58:53,832 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2300 Valid, 2192 Invalid, 3318 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [874 Valid, 2444 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-07-12 05:58:53,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1169 states. [2022-07-12 05:58:53,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1169 to 932. [2022-07-12 05:58:53,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 932 states, 736 states have (on average 1.611413043478261) internal successors, (1186), 744 states have internal predecessors, (1186), 163 states have call successors, (163), 28 states have call predecessors, (163), 32 states have return successors, (184), 161 states have call predecessors, (184), 162 states have call successors, (184) [2022-07-12 05:58:53,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 932 states to 932 states and 1533 transitions. [2022-07-12 05:58:53,873 INFO L78 Accepts]: Start accepts. Automaton has 932 states and 1533 transitions. Word has length 187 [2022-07-12 05:58:53,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 05:58:53,873 INFO L495 AbstractCegarLoop]: Abstraction has 932 states and 1533 transitions. [2022-07-12 05:58:53,874 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 13.727272727272727) internal successors, (151), 7 states have internal predecessors, (151), 2 states have call successors, (52), 6 states have call predecessors, (52), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2022-07-12 05:58:53,874 INFO L276 IsEmpty]: Start isEmpty. Operand 932 states and 1533 transitions. [2022-07-12 05:58:53,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-07-12 05:58:53,877 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 05:58:53,878 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 05:58:53,896 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-07-12 05:58:54,095 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 [2022-07-12 05:58:54,096 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 05:58:54,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 05:58:54,097 INFO L85 PathProgramCache]: Analyzing trace with hash -2022020657, now seen corresponding path program 1 times [2022-07-12 05:58:54,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 05:58:54,097 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888830437] [2022-07-12 05:58:54,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 05:58:54,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 05:58:54,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:54,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 05:58:54,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:54,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 05:58:54,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:54,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 05:58:54,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:54,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 05:58:54,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:54,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 05:58:54,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:54,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-12 05:58:54,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:54,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-12 05:58:54,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:54,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-12 05:58:54,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:54,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-12 05:58:54,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:54,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-07-12 05:58:54,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:54,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-12 05:58:54,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:54,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-12 05:58:54,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:54,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-12 05:58:54,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:54,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-12 05:58:54,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:54,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-12 05:58:54,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:54,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-12 05:58:54,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:54,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-12 05:58:54,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:54,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 05:58:54,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:54,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-07-12 05:58:54,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:54,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 05:58:54,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:54,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-12 05:58:54,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:54,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-12 05:58:54,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:54,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 05:58:54,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:54,187 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2022-07-12 05:58:54,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 05:58:54,188 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888830437] [2022-07-12 05:58:54,188 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [888830437] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 05:58:54,188 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 05:58:54,188 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-12 05:58:54,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275821134] [2022-07-12 05:58:54,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 05:58:54,189 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-12 05:58:54,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 05:58:54,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-12 05:58:54,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-12 05:58:54,189 INFO L87 Difference]: Start difference. First operand 932 states and 1533 transitions. Second operand has 7 states, 7 states have (on average 15.571428571428571) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-07-12 05:58:55,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 05:58:55,348 INFO L93 Difference]: Finished difference Result 2432 states and 4071 transitions. [2022-07-12 05:58:55,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-12 05:58:55,349 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.571428571428571) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 193 [2022-07-12 05:58:55,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 05:58:55,356 INFO L225 Difference]: With dead ends: 2432 [2022-07-12 05:58:55,356 INFO L226 Difference]: Without dead ends: 1568 [2022-07-12 05:58:55,359 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-07-12 05:58:55,359 INFO L413 NwaCegarLoop]: 766 mSDtfsCounter, 1746 mSDsluCounter, 795 mSDsCounter, 0 mSdLazyCounter, 1324 mSolverCounterSat, 766 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1765 SdHoareTripleChecker+Valid, 1561 SdHoareTripleChecker+Invalid, 2090 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 766 IncrementalHoareTripleChecker+Valid, 1324 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-07-12 05:58:55,359 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1765 Valid, 1561 Invalid, 2090 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [766 Valid, 1324 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-12 05:58:55,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1568 states. [2022-07-12 05:58:55,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1568 to 1347. [2022-07-12 05:58:55,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1347 states, 1072 states have (on average 1.6287313432835822) internal successors, (1746), 1080 states have internal predecessors, (1746), 242 states have call successors, (242), 28 states have call predecessors, (242), 32 states have return successors, (273), 240 states have call predecessors, (273), 241 states have call successors, (273) [2022-07-12 05:58:55,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1347 states to 1347 states and 2261 transitions. [2022-07-12 05:58:55,442 INFO L78 Accepts]: Start accepts. Automaton has 1347 states and 2261 transitions. Word has length 193 [2022-07-12 05:58:55,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 05:58:55,443 INFO L495 AbstractCegarLoop]: Abstraction has 1347 states and 2261 transitions. [2022-07-12 05:58:55,443 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.571428571428571) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-07-12 05:58:55,443 INFO L276 IsEmpty]: Start isEmpty. Operand 1347 states and 2261 transitions. [2022-07-12 05:58:55,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2022-07-12 05:58:55,448 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 05:58:55,448 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 05:58:55,449 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-12 05:58:55,449 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 05:58:55,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 05:58:55,449 INFO L85 PathProgramCache]: Analyzing trace with hash -1761346273, now seen corresponding path program 1 times [2022-07-12 05:58:55,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 05:58:55,449 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010322626] [2022-07-12 05:58:55,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 05:58:55,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 05:58:55,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:55,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 05:58:55,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:55,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 05:58:55,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:55,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 05:58:55,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:55,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 05:58:55,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:55,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 05:58:55,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:55,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-12 05:58:55,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:55,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-07-12 05:58:55,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:55,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-12 05:58:55,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:55,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-12 05:58:55,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:55,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-12 05:58:55,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:55,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-07-12 05:58:55,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:55,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-12 05:58:55,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:55,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-12 05:58:55,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:55,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-12 05:58:55,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:55,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-12 05:58:55,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:55,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-07-12 05:58:55,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:55,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 05:58:55,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:55,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-12 05:58:55,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:55,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-07-12 05:58:55,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:55,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 05:58:55,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:55,525 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2022-07-12 05:58:55,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 05:58:55,525 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1010322626] [2022-07-12 05:58:55,525 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1010322626] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 05:58:55,525 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 05:58:55,526 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-12 05:58:55,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431719248] [2022-07-12 05:58:55,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 05:58:55,527 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-12 05:58:55,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 05:58:55,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-12 05:58:55,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-12 05:58:55,527 INFO L87 Difference]: Start difference. First operand 1347 states and 2261 transitions. Second operand has 7 states, 7 states have (on average 14.714285714285714) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-07-12 05:58:56,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 05:58:56,628 INFO L93 Difference]: Finished difference Result 3446 states and 5849 transitions. [2022-07-12 05:58:56,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-12 05:58:56,628 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.714285714285714) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 175 [2022-07-12 05:58:56,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 05:58:56,637 INFO L225 Difference]: With dead ends: 3446 [2022-07-12 05:58:56,637 INFO L226 Difference]: Without dead ends: 2220 [2022-07-12 05:58:56,640 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-07-12 05:58:56,640 INFO L413 NwaCegarLoop]: 801 mSDtfsCounter, 1674 mSDsluCounter, 796 mSDsCounter, 0 mSdLazyCounter, 1376 mSolverCounterSat, 735 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1692 SdHoareTripleChecker+Valid, 1597 SdHoareTripleChecker+Invalid, 2111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 735 IncrementalHoareTripleChecker+Valid, 1376 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-12 05:58:56,641 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1692 Valid, 1597 Invalid, 2111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [735 Valid, 1376 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-12 05:58:56,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2220 states. [2022-07-12 05:58:56,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2220 to 1999. [2022-07-12 05:58:56,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1999 states, 1605 states have (on average 1.6404984423676012) internal successors, (2633), 1613 states have internal predecessors, (2633), 361 states have call successors, (361), 28 states have call predecessors, (361), 32 states have return successors, (392), 359 states have call predecessors, (392), 360 states have call successors, (392) [2022-07-12 05:58:56,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1999 states to 1999 states and 3386 transitions. [2022-07-12 05:58:56,722 INFO L78 Accepts]: Start accepts. Automaton has 1999 states and 3386 transitions. Word has length 175 [2022-07-12 05:58:56,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 05:58:56,722 INFO L495 AbstractCegarLoop]: Abstraction has 1999 states and 3386 transitions. [2022-07-12 05:58:56,722 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.714285714285714) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-07-12 05:58:56,723 INFO L276 IsEmpty]: Start isEmpty. Operand 1999 states and 3386 transitions. [2022-07-12 05:58:56,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2022-07-12 05:58:56,731 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 05:58:56,731 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 05:58:56,732 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-07-12 05:58:56,732 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 05:58:56,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 05:58:56,732 INFO L85 PathProgramCache]: Analyzing trace with hash 686211992, now seen corresponding path program 1 times [2022-07-12 05:58:56,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 05:58:56,732 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125303625] [2022-07-12 05:58:56,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 05:58:56,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 05:58:56,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:56,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 05:58:56,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:56,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 05:58:56,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:56,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 05:58:56,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:56,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 05:58:56,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:56,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 05:58:56,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:56,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-12 05:58:56,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:56,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 05:58:56,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:56,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-12 05:58:56,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:56,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-12 05:58:56,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:56,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 05:58:56,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:56,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-07-12 05:58:56,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:56,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-07-12 05:58:56,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:56,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-12 05:58:56,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:56,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-12 05:58:56,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:56,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-12 05:58:56,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:56,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-12 05:58:56,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:56,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 05:58:56,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:56,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-12 05:58:56,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:56,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-12 05:58:56,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:56,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 05:58:56,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:56,807 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2022-07-12 05:58:56,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 05:58:56,808 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125303625] [2022-07-12 05:58:56,808 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1125303625] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 05:58:56,808 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 05:58:56,808 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-12 05:58:56,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322600727] [2022-07-12 05:58:56,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 05:58:56,809 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-12 05:58:56,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 05:58:56,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-12 05:58:56,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-12 05:58:56,809 INFO L87 Difference]: Start difference. First operand 1999 states and 3386 transitions. Second operand has 7 states, 7 states have (on average 14.857142857142858) internal successors, (104), 3 states have internal predecessors, (104), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-07-12 05:58:58,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 05:58:58,071 INFO L93 Difference]: Finished difference Result 4976 states and 8551 transitions. [2022-07-12 05:58:58,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-12 05:58:58,072 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.857142857142858) internal successors, (104), 3 states have internal predecessors, (104), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 176 [2022-07-12 05:58:58,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 05:58:58,088 INFO L225 Difference]: With dead ends: 4976 [2022-07-12 05:58:58,089 INFO L226 Difference]: Without dead ends: 3223 [2022-07-12 05:58:58,095 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-07-12 05:58:58,096 INFO L413 NwaCegarLoop]: 795 mSDtfsCounter, 1694 mSDsluCounter, 770 mSDsCounter, 0 mSdLazyCounter, 1358 mSolverCounterSat, 758 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1712 SdHoareTripleChecker+Valid, 1565 SdHoareTripleChecker+Invalid, 2116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 758 IncrementalHoareTripleChecker+Valid, 1358 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-07-12 05:58:58,096 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1712 Valid, 1565 Invalid, 2116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [758 Valid, 1358 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-12 05:58:58,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3223 states. [2022-07-12 05:58:58,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3223 to 3002. [2022-07-12 05:58:58,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3002 states, 2446 states have (on average 1.6496320523303352) internal successors, (4035), 2454 states have internal predecessors, (4035), 523 states have call successors, (523), 28 states have call predecessors, (523), 32 states have return successors, (570), 521 states have call predecessors, (570), 522 states have call successors, (570) [2022-07-12 05:58:58,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3002 states to 3002 states and 5128 transitions. [2022-07-12 05:58:58,253 INFO L78 Accepts]: Start accepts. Automaton has 3002 states and 5128 transitions. Word has length 176 [2022-07-12 05:58:58,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 05:58:58,254 INFO L495 AbstractCegarLoop]: Abstraction has 3002 states and 5128 transitions. [2022-07-12 05:58:58,254 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.857142857142858) internal successors, (104), 3 states have internal predecessors, (104), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-07-12 05:58:58,254 INFO L276 IsEmpty]: Start isEmpty. Operand 3002 states and 5128 transitions. [2022-07-12 05:58:58,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2022-07-12 05:58:58,265 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 05:58:58,266 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 05:58:58,266 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-07-12 05:58:58,266 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 05:58:58,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 05:58:58,266 INFO L85 PathProgramCache]: Analyzing trace with hash 107658430, now seen corresponding path program 1 times [2022-07-12 05:58:58,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 05:58:58,267 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86971986] [2022-07-12 05:58:58,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 05:58:58,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 05:58:58,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:58,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 05:58:58,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:58,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 05:58:58,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:58,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 05:58:58,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:58,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 05:58:58,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:58,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 05:58:58,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:58,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-12 05:58:58,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:58,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-12 05:58:58,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:58,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-12 05:58:58,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:58,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-12 05:58:58,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:58,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-12 05:58:58,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:58,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-07-12 05:58:58,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:58,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-12 05:58:58,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:58,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-12 05:58:58,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:58,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-12 05:58:58,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:58,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-12 05:58:58,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:58,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-12 05:58:58,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:58,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 05:58:58,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:58,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-12 05:58:58,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:58,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-07-12 05:58:58,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:58,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 05:58:58,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:58,348 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2022-07-12 05:58:58,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 05:58:58,348 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86971986] [2022-07-12 05:58:58,348 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86971986] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 05:58:58,348 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 05:58:58,348 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-12 05:58:58,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17605493] [2022-07-12 05:58:58,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 05:58:58,349 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-12 05:58:58,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 05:58:58,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-12 05:58:58,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-12 05:58:58,350 INFO L87 Difference]: Start difference. First operand 3002 states and 5128 transitions. Second operand has 7 states, 7 states have (on average 15.0) internal successors, (105), 3 states have internal predecessors, (105), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-07-12 05:58:59,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 05:58:59,666 INFO L93 Difference]: Finished difference Result 7400 states and 12840 transitions. [2022-07-12 05:58:59,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-12 05:58:59,666 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.0) internal successors, (105), 3 states have internal predecessors, (105), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 177 [2022-07-12 05:58:59,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 05:58:59,698 INFO L225 Difference]: With dead ends: 7400 [2022-07-12 05:58:59,699 INFO L226 Difference]: Without dead ends: 4848 [2022-07-12 05:58:59,705 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-07-12 05:58:59,705 INFO L413 NwaCegarLoop]: 759 mSDtfsCounter, 1762 mSDsluCounter, 770 mSDsCounter, 0 mSdLazyCounter, 1311 mSolverCounterSat, 779 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1781 SdHoareTripleChecker+Valid, 1529 SdHoareTripleChecker+Invalid, 2090 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 779 IncrementalHoareTripleChecker+Valid, 1311 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-07-12 05:58:59,705 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1781 Valid, 1529 Invalid, 2090 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [779 Valid, 1311 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-12 05:58:59,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4848 states. [2022-07-12 05:58:59,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4848 to 4627. [2022-07-12 05:58:59,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4627 states, 3826 states have (on average 1.6560376372190277) internal successors, (6336), 3834 states have internal predecessors, (6336), 768 states have call successors, (768), 28 states have call predecessors, (768), 32 states have return successors, (841), 766 states have call predecessors, (841), 767 states have call successors, (841) [2022-07-12 05:58:59,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4627 states to 4627 states and 7945 transitions. [2022-07-12 05:58:59,909 INFO L78 Accepts]: Start accepts. Automaton has 4627 states and 7945 transitions. Word has length 177 [2022-07-12 05:58:59,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 05:58:59,909 INFO L495 AbstractCegarLoop]: Abstraction has 4627 states and 7945 transitions. [2022-07-12 05:58:59,910 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.0) internal successors, (105), 3 states have internal predecessors, (105), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-07-12 05:58:59,910 INFO L276 IsEmpty]: Start isEmpty. Operand 4627 states and 7945 transitions. [2022-07-12 05:58:59,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2022-07-12 05:58:59,927 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 05:58:59,928 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 05:58:59,928 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-07-12 05:58:59,928 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 05:58:59,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 05:58:59,928 INFO L85 PathProgramCache]: Analyzing trace with hash -603597892, now seen corresponding path program 1 times [2022-07-12 05:58:59,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 05:58:59,929 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837296958] [2022-07-12 05:58:59,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 05:58:59,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 05:58:59,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:59,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 05:58:59,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:59,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 05:58:59,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:59,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 05:58:59,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:59,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 05:58:59,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:59,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 05:58:59,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:59,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-12 05:58:59,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:59,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-12 05:58:59,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:59,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-12 05:58:59,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:59,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-12 05:58:59,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:59,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-12 05:58:59,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:59,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 05:58:59,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:59,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-12 05:58:59,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:58:59,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-12 05:59:00,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:00,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-12 05:59:00,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:00,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-12 05:59:00,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:00,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-12 05:59:00,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:00,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 05:59:00,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:00,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-12 05:59:00,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:00,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-12 05:59:00,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:00,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 05:59:00,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:00,010 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2022-07-12 05:59:00,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 05:59:00,010 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837296958] [2022-07-12 05:59:00,010 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [837296958] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 05:59:00,011 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 05:59:00,011 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-12 05:59:00,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48926632] [2022-07-12 05:59:00,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 05:59:00,011 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-12 05:59:00,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 05:59:00,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-12 05:59:00,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-12 05:59:00,012 INFO L87 Difference]: Start difference. First operand 4627 states and 7945 transitions. Second operand has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 3 states have internal predecessors, (106), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-07-12 05:59:01,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 05:59:01,476 INFO L93 Difference]: Finished difference Result 11446 states and 20000 transitions. [2022-07-12 05:59:01,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-12 05:59:01,476 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 3 states have internal predecessors, (106), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 178 [2022-07-12 05:59:01,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 05:59:01,505 INFO L225 Difference]: With dead ends: 11446 [2022-07-12 05:59:01,505 INFO L226 Difference]: Without dead ends: 7581 [2022-07-12 05:59:01,514 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-07-12 05:59:01,514 INFO L413 NwaCegarLoop]: 778 mSDtfsCounter, 1723 mSDsluCounter, 768 mSDsCounter, 0 mSdLazyCounter, 1356 mSolverCounterSat, 749 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1742 SdHoareTripleChecker+Valid, 1546 SdHoareTripleChecker+Invalid, 2105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 749 IncrementalHoareTripleChecker+Valid, 1356 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-12 05:59:01,514 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1742 Valid, 1546 Invalid, 2105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [749 Valid, 1356 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-12 05:59:01,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7581 states. [2022-07-12 05:59:01,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7581 to 7360. [2022-07-12 05:59:01,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7360 states, 6066 states have (on average 1.655291790306627) internal successors, (10041), 6074 states have internal predecessors, (10041), 1261 states have call successors, (1261), 28 states have call predecessors, (1261), 32 states have return successors, (1378), 1259 states have call predecessors, (1378), 1260 states have call successors, (1378) [2022-07-12 05:59:01,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7360 states to 7360 states and 12680 transitions. [2022-07-12 05:59:01,816 INFO L78 Accepts]: Start accepts. Automaton has 7360 states and 12680 transitions. Word has length 178 [2022-07-12 05:59:01,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 05:59:01,817 INFO L495 AbstractCegarLoop]: Abstraction has 7360 states and 12680 transitions. [2022-07-12 05:59:01,817 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 3 states have internal predecessors, (106), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-07-12 05:59:01,817 INFO L276 IsEmpty]: Start isEmpty. Operand 7360 states and 12680 transitions. [2022-07-12 05:59:01,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2022-07-12 05:59:01,842 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 05:59:01,842 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 05:59:01,842 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-07-12 05:59:01,842 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 05:59:01,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 05:59:01,843 INFO L85 PathProgramCache]: Analyzing trace with hash 1862618063, now seen corresponding path program 1 times [2022-07-12 05:59:01,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 05:59:01,843 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857213380] [2022-07-12 05:59:01,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 05:59:01,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 05:59:01,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:01,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 05:59:01,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:01,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 05:59:01,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:01,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 05:59:01,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:01,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 05:59:01,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:01,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 05:59:01,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:01,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-12 05:59:01,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:01,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-12 05:59:01,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:01,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-12 05:59:01,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:01,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-07-12 05:59:01,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:01,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-12 05:59:01,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:01,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 05:59:01,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:01,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-12 05:59:01,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:01,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-12 05:59:01,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:01,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-12 05:59:01,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:01,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-12 05:59:01,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:01,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-12 05:59:01,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:01,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-07-12 05:59:01,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:01,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-12 05:59:01,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:01,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-07-12 05:59:01,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:01,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 05:59:01,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:01,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-12 05:59:01,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:01,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-07-12 05:59:01,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:01,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 05:59:01,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:01,939 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2022-07-12 05:59:01,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 05:59:01,940 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857213380] [2022-07-12 05:59:01,940 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [857213380] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 05:59:01,940 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 05:59:01,940 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-12 05:59:01,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921646250] [2022-07-12 05:59:01,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 05:59:01,941 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-12 05:59:01,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 05:59:01,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-12 05:59:01,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-12 05:59:01,942 INFO L87 Difference]: Start difference. First operand 7360 states and 12680 transitions. Second operand has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 3 states have internal predecessors, (114), 2 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-07-12 05:59:03,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 05:59:03,442 INFO L93 Difference]: Finished difference Result 18781 states and 32884 transitions. [2022-07-12 05:59:03,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-12 05:59:03,442 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 3 states have internal predecessors, (114), 2 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 198 [2022-07-12 05:59:03,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 05:59:03,482 INFO L225 Difference]: With dead ends: 18781 [2022-07-12 05:59:03,482 INFO L226 Difference]: Without dead ends: 12560 [2022-07-12 05:59:03,496 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-07-12 05:59:03,497 INFO L413 NwaCegarLoop]: 781 mSDtfsCounter, 1742 mSDsluCounter, 792 mSDsCounter, 0 mSdLazyCounter, 1340 mSolverCounterSat, 765 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1760 SdHoareTripleChecker+Valid, 1573 SdHoareTripleChecker+Invalid, 2105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 765 IncrementalHoareTripleChecker+Valid, 1340 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-07-12 05:59:03,497 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1760 Valid, 1573 Invalid, 2105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [765 Valid, 1340 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-12 05:59:03,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12560 states. [2022-07-12 05:59:03,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12560 to 12339. [2022-07-12 05:59:03,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12339 states, 10223 states have (on average 1.656167465518928) internal successors, (16931), 10231 states have internal predecessors, (16931), 2083 states have call successors, (2083), 28 states have call predecessors, (2083), 32 states have return successors, (2278), 2081 states have call predecessors, (2278), 2082 states have call successors, (2278) [2022-07-12 05:59:04,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12339 states to 12339 states and 21292 transitions. [2022-07-12 05:59:04,007 INFO L78 Accepts]: Start accepts. Automaton has 12339 states and 21292 transitions. Word has length 198 [2022-07-12 05:59:04,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 05:59:04,007 INFO L495 AbstractCegarLoop]: Abstraction has 12339 states and 21292 transitions. [2022-07-12 05:59:04,007 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 3 states have internal predecessors, (114), 2 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-07-12 05:59:04,008 INFO L276 IsEmpty]: Start isEmpty. Operand 12339 states and 21292 transitions. [2022-07-12 05:59:04,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-07-12 05:59:04,042 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 05:59:04,043 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 05:59:04,043 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-07-12 05:59:04,043 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 05:59:04,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 05:59:04,043 INFO L85 PathProgramCache]: Analyzing trace with hash -1097619218, now seen corresponding path program 1 times [2022-07-12 05:59:04,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 05:59:04,044 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867535734] [2022-07-12 05:59:04,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 05:59:04,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 05:59:04,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:04,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 05:59:04,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:04,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 05:59:04,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:04,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 05:59:04,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:04,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 05:59:04,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:04,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 05:59:04,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:04,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-12 05:59:04,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:04,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-12 05:59:04,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:04,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-12 05:59:04,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:04,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-07-12 05:59:04,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:04,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-12 05:59:04,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:04,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-12 05:59:04,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:04,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-12 05:59:04,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:04,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-07-12 05:59:04,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:04,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-12 05:59:04,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:04,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-07-12 05:59:04,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:04,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-12 05:59:04,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:04,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 05:59:04,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:04,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-12 05:59:04,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:04,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-12 05:59:04,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:04,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 05:59:04,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:04,132 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2022-07-12 05:59:04,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 05:59:04,132 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867535734] [2022-07-12 05:59:04,132 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [867535734] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 05:59:04,133 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 05:59:04,133 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-12 05:59:04,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1565967095] [2022-07-12 05:59:04,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 05:59:04,134 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-12 05:59:04,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 05:59:04,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-12 05:59:04,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-12 05:59:04,135 INFO L87 Difference]: Start difference. First operand 12339 states and 21292 transitions. Second operand has 7 states, 7 states have (on average 15.428571428571429) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-07-12 05:59:05,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 05:59:05,931 INFO L93 Difference]: Finished difference Result 29739 states and 51849 transitions. [2022-07-12 05:59:05,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-12 05:59:05,932 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.428571428571429) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 180 [2022-07-12 05:59:05,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 05:59:06,080 INFO L225 Difference]: With dead ends: 29739 [2022-07-12 05:59:06,081 INFO L226 Difference]: Without dead ends: 19513 [2022-07-12 05:59:06,113 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-07-12 05:59:06,114 INFO L413 NwaCegarLoop]: 803 mSDtfsCounter, 1629 mSDsluCounter, 745 mSDsCounter, 0 mSdLazyCounter, 1395 mSolverCounterSat, 725 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1647 SdHoareTripleChecker+Valid, 1548 SdHoareTripleChecker+Invalid, 2120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 725 IncrementalHoareTripleChecker+Valid, 1395 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-12 05:59:06,114 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1647 Valid, 1548 Invalid, 2120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [725 Valid, 1395 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-12 05:59:06,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19513 states. [2022-07-12 05:59:06,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19513 to 19292. [2022-07-12 05:59:06,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19292 states, 15973 states have (on average 1.6323170349965568) internal successors, (26073), 15981 states have internal predecessors, (26073), 3286 states have call successors, (3286), 28 states have call predecessors, (3286), 32 states have return successors, (3625), 3284 states have call predecessors, (3625), 3285 states have call successors, (3625) [2022-07-12 05:59:06,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19292 states to 19292 states and 32984 transitions. [2022-07-12 05:59:06,912 INFO L78 Accepts]: Start accepts. Automaton has 19292 states and 32984 transitions. Word has length 180 [2022-07-12 05:59:06,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 05:59:06,912 INFO L495 AbstractCegarLoop]: Abstraction has 19292 states and 32984 transitions. [2022-07-12 05:59:06,912 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.428571428571429) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-07-12 05:59:06,912 INFO L276 IsEmpty]: Start isEmpty. Operand 19292 states and 32984 transitions. [2022-07-12 05:59:06,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2022-07-12 05:59:06,954 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 05:59:06,955 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 05:59:06,955 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-07-12 05:59:06,955 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 05:59:06,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 05:59:06,955 INFO L85 PathProgramCache]: Analyzing trace with hash 1112491801, now seen corresponding path program 1 times [2022-07-12 05:59:06,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 05:59:06,956 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164466539] [2022-07-12 05:59:06,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 05:59:06,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 05:59:06,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:06,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 05:59:06,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:06,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 05:59:06,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:07,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 05:59:07,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:07,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 05:59:07,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:07,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 05:59:07,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:07,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-12 05:59:07,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:07,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-12 05:59:07,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:07,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-12 05:59:07,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:07,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-12 05:59:07,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:07,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-12 05:59:07,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:07,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-12 05:59:07,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:07,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-07-12 05:59:07,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:07,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-12 05:59:07,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:07,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-12 05:59:07,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:07,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-12 05:59:07,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:07,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-12 05:59:07,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:07,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 05:59:07,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:07,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-07-12 05:59:07,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:07,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-12 05:59:07,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:07,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 05:59:07,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:07,027 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2022-07-12 05:59:07,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 05:59:07,028 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [164466539] [2022-07-12 05:59:07,028 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [164466539] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 05:59:07,028 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 05:59:07,028 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-12 05:59:07,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810512004] [2022-07-12 05:59:07,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 05:59:07,029 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-12 05:59:07,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 05:59:07,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-12 05:59:07,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-12 05:59:07,030 INFO L87 Difference]: Start difference. First operand 19292 states and 32984 transitions. Second operand has 7 states, 7 states have (on average 15.571428571428571) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-07-12 05:59:09,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 05:59:09,430 INFO L93 Difference]: Finished difference Result 51171 states and 88969 transitions. [2022-07-12 05:59:09,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-12 05:59:09,431 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.571428571428571) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 181 [2022-07-12 05:59:09,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 05:59:09,549 INFO L225 Difference]: With dead ends: 51171 [2022-07-12 05:59:09,549 INFO L226 Difference]: Without dead ends: 34634 [2022-07-12 05:59:09,588 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-07-12 05:59:09,589 INFO L413 NwaCegarLoop]: 782 mSDtfsCounter, 1669 mSDsluCounter, 771 mSDsCounter, 0 mSdLazyCounter, 1388 mSolverCounterSat, 733 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1688 SdHoareTripleChecker+Valid, 1553 SdHoareTripleChecker+Invalid, 2121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 733 IncrementalHoareTripleChecker+Valid, 1388 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-12 05:59:09,589 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1688 Valid, 1553 Invalid, 2121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [733 Valid, 1388 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-12 05:59:09,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34634 states. [2022-07-12 05:59:10,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34634 to 34413. [2022-07-12 05:59:10,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34413 states, 28644 states have (on average 1.629521016617791) internal successors, (46676), 28652 states have internal predecessors, (46676), 5736 states have call successors, (5736), 28 states have call predecessors, (5736), 32 states have return successors, (6349), 5734 states have call predecessors, (6349), 5735 states have call successors, (6349) [2022-07-12 05:59:11,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34413 states to 34413 states and 58761 transitions. [2022-07-12 05:59:11,088 INFO L78 Accepts]: Start accepts. Automaton has 34413 states and 58761 transitions. Word has length 181 [2022-07-12 05:59:11,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 05:59:11,088 INFO L495 AbstractCegarLoop]: Abstraction has 34413 states and 58761 transitions. [2022-07-12 05:59:11,089 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.571428571428571) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-07-12 05:59:11,089 INFO L276 IsEmpty]: Start isEmpty. Operand 34413 states and 58761 transitions. [2022-07-12 05:59:11,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2022-07-12 05:59:11,168 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 05:59:11,168 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 05:59:11,168 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-07-12 05:59:11,168 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 05:59:11,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 05:59:11,169 INFO L85 PathProgramCache]: Analyzing trace with hash 875251572, now seen corresponding path program 1 times [2022-07-12 05:59:11,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 05:59:11,169 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963067312] [2022-07-12 05:59:11,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 05:59:11,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 05:59:11,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:11,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 05:59:11,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:11,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 05:59:11,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:11,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 05:59:11,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:11,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 05:59:11,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:11,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 05:59:11,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:11,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-12 05:59:11,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:11,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-12 05:59:11,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:11,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 05:59:11,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:11,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-07-12 05:59:11,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:11,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-12 05:59:11,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:11,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-07-12 05:59:11,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:11,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-12 05:59:11,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:11,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-12 05:59:11,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:11,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-12 05:59:11,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:11,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-12 05:59:11,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:11,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-12 05:59:11,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:11,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 05:59:11,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:11,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-12 05:59:11,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:11,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-12 05:59:11,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:11,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 05:59:11,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:11,257 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2022-07-12 05:59:11,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 05:59:11,257 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963067312] [2022-07-12 05:59:11,257 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1963067312] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 05:59:11,257 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 05:59:11,258 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-12 05:59:11,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285646759] [2022-07-12 05:59:11,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 05:59:11,259 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-12 05:59:11,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 05:59:11,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-12 05:59:11,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-12 05:59:11,259 INFO L87 Difference]: Start difference. First operand 34413 states and 58761 transitions. Second operand has 7 states, 7 states have (on average 15.714285714285714) internal successors, (110), 3 states have internal predecessors, (110), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-07-12 05:59:14,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 05:59:14,355 INFO L93 Difference]: Finished difference Result 94043 states and 162763 transitions. [2022-07-12 05:59:14,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-12 05:59:14,355 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.714285714285714) internal successors, (110), 3 states have internal predecessors, (110), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 182 [2022-07-12 05:59:14,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 05:59:14,572 INFO L225 Difference]: With dead ends: 94043 [2022-07-12 05:59:14,572 INFO L226 Difference]: Without dead ends: 63301 [2022-07-12 05:59:14,643 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-07-12 05:59:14,645 INFO L413 NwaCegarLoop]: 764 mSDtfsCounter, 1722 mSDsluCounter, 779 mSDsCounter, 0 mSdLazyCounter, 1332 mSolverCounterSat, 764 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1743 SdHoareTripleChecker+Valid, 1543 SdHoareTripleChecker+Invalid, 2096 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 764 IncrementalHoareTripleChecker+Valid, 1332 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-07-12 05:59:14,645 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1743 Valid, 1543 Invalid, 2096 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [764 Valid, 1332 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-12 05:59:14,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63301 states. [2022-07-12 05:59:17,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63301 to 63080. [2022-07-12 05:59:17,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63080 states, 52798 states have (on average 1.6255729383688775) internal successors, (85827), 52806 states have internal predecessors, (85827), 10249 states have call successors, (10249), 28 states have call predecessors, (10249), 32 states have return successors, (11394), 10247 states have call predecessors, (11394), 10248 states have call successors, (11394) [2022-07-12 05:59:17,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63080 states to 63080 states and 107470 transitions. [2022-07-12 05:59:17,649 INFO L78 Accepts]: Start accepts. Automaton has 63080 states and 107470 transitions. Word has length 182 [2022-07-12 05:59:17,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 05:59:17,649 INFO L495 AbstractCegarLoop]: Abstraction has 63080 states and 107470 transitions. [2022-07-12 05:59:17,650 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.714285714285714) internal successors, (110), 3 states have internal predecessors, (110), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-07-12 05:59:17,650 INFO L276 IsEmpty]: Start isEmpty. Operand 63080 states and 107470 transitions. [2022-07-12 05:59:17,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2022-07-12 05:59:17,768 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 05:59:17,769 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 05:59:17,769 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-07-12 05:59:17,769 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 05:59:17,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 05:59:17,769 INFO L85 PathProgramCache]: Analyzing trace with hash -1869209575, now seen corresponding path program 1 times [2022-07-12 05:59:17,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 05:59:17,770 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385610497] [2022-07-12 05:59:17,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 05:59:17,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 05:59:17,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:17,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 05:59:17,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:17,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 05:59:17,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:17,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 05:59:17,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:17,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 05:59:17,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:17,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 05:59:17,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:17,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-12 05:59:17,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:17,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-12 05:59:17,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:17,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-12 05:59:17,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:17,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-12 05:59:17,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:17,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-12 05:59:17,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:17,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-12 05:59:17,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:17,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-12 05:59:17,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:17,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-12 05:59:17,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:17,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-12 05:59:17,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:17,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-07-12 05:59:17,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:17,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-12 05:59:17,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:17,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 05:59:17,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:17,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-07-12 05:59:17,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:17,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-12 05:59:17,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:17,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 05:59:17,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:17,841 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2022-07-12 05:59:17,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 05:59:17,842 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385610497] [2022-07-12 05:59:17,842 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1385610497] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 05:59:17,842 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 05:59:17,842 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-12 05:59:17,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341145222] [2022-07-12 05:59:17,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 05:59:17,842 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-12 05:59:17,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 05:59:17,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-12 05:59:17,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-12 05:59:17,843 INFO L87 Difference]: Start difference. First operand 63080 states and 107470 transitions. Second operand has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-07-12 05:59:22,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 05:59:22,691 INFO L93 Difference]: Finished difference Result 118419 states and 205397 transitions. [2022-07-12 05:59:22,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-12 05:59:22,691 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 183 [2022-07-12 05:59:22,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 05:59:23,352 INFO L225 Difference]: With dead ends: 118419 [2022-07-12 05:59:23,353 INFO L226 Difference]: Without dead ends: 118174 [2022-07-12 05:59:23,397 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-07-12 05:59:23,398 INFO L413 NwaCegarLoop]: 769 mSDtfsCounter, 1719 mSDsluCounter, 771 mSDsCounter, 0 mSdLazyCounter, 1351 mSolverCounterSat, 749 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1737 SdHoareTripleChecker+Valid, 1540 SdHoareTripleChecker+Invalid, 2100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 749 IncrementalHoareTripleChecker+Valid, 1351 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-12 05:59:23,398 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1737 Valid, 1540 Invalid, 2100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [749 Valid, 1351 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-12 05:59:23,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118174 states. [2022-07-12 05:59:27,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118174 to 117953. [2022-07-12 05:59:28,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117953 states, 99303 states have (on average 1.6204747087197768) internal successors, (160918), 99311 states have internal predecessors, (160918), 18617 states have call successors, (18617), 28 states have call predecessors, (18617), 32 states have return successors, (20808), 18615 states have call predecessors, (20808), 18616 states have call successors, (20808) [2022-07-12 05:59:28,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117953 states to 117953 states and 200343 transitions. [2022-07-12 05:59:28,596 INFO L78 Accepts]: Start accepts. Automaton has 117953 states and 200343 transitions. Word has length 183 [2022-07-12 05:59:28,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 05:59:28,596 INFO L495 AbstractCegarLoop]: Abstraction has 117953 states and 200343 transitions. [2022-07-12 05:59:28,597 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-07-12 05:59:28,597 INFO L276 IsEmpty]: Start isEmpty. Operand 117953 states and 200343 transitions. [2022-07-12 05:59:28,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2022-07-12 05:59:28,740 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 05:59:28,741 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 05:59:28,741 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-07-12 05:59:28,741 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 05:59:28,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 05:59:28,741 INFO L85 PathProgramCache]: Analyzing trace with hash -846292972, now seen corresponding path program 1 times [2022-07-12 05:59:28,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 05:59:28,742 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177059721] [2022-07-12 05:59:28,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 05:59:28,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 05:59:28,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:28,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 05:59:28,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:28,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 05:59:28,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:28,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 05:59:28,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:28,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 05:59:28,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:28,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 05:59:28,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:28,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-12 05:59:28,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:28,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-12 05:59:28,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:28,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-12 05:59:28,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:28,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 05:59:28,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:28,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-07-12 05:59:28,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:28,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-12 05:59:28,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:28,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-12 05:59:28,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:28,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-12 05:59:28,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:28,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-12 05:59:28,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:28,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-07-12 05:59:28,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:28,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-12 05:59:28,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:28,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-12 05:59:28,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:28,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-12 05:59:28,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:28,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-12 05:59:28,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:28,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 05:59:28,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:28,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-07-12 05:59:28,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:28,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-12 05:59:28,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:28,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 05:59:28,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 05:59:28,850 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2022-07-12 05:59:28,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 05:59:28,851 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177059721] [2022-07-12 05:59:28,851 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [177059721] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 05:59:28,851 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 05:59:28,851 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-12 05:59:28,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417965773] [2022-07-12 05:59:28,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 05:59:28,852 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-12 05:59:28,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 05:59:28,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-12 05:59:28,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-07-12 05:59:28,852 INFO L87 Difference]: Start difference. First operand 117953 states and 200343 transitions. Second operand has 10 states, 10 states have (on average 11.9) internal successors, (119), 5 states have internal predecessors, (119), 3 states have call successors, (25), 7 states have call predecessors, (25), 2 states have return successors, (22), 4 states have call predecessors, (22), 3 states have call successors, (22) [2022-07-12 05:59:38,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 05:59:38,919 INFO L93 Difference]: Finished difference Result 227331 states and 393907 transitions. [2022-07-12 05:59:38,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-07-12 05:59:38,919 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 11.9) internal successors, (119), 5 states have internal predecessors, (119), 3 states have call successors, (25), 7 states have call predecessors, (25), 2 states have return successors, (22), 4 states have call predecessors, (22), 3 states have call successors, (22) Word has length 203 [2022-07-12 05:59:38,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 05:59:40,217 INFO L225 Difference]: With dead ends: 227331 [2022-07-12 05:59:40,218 INFO L226 Difference]: Without dead ends: 227094 [2022-07-12 05:59:40,310 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 231 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=255, Invalid=737, Unknown=0, NotChecked=0, Total=992 [2022-07-12 05:59:40,311 INFO L413 NwaCegarLoop]: 860 mSDtfsCounter, 3465 mSDsluCounter, 1469 mSDsCounter, 0 mSdLazyCounter, 4331 mSolverCounterSat, 1518 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3482 SdHoareTripleChecker+Valid, 2329 SdHoareTripleChecker+Invalid, 5849 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1518 IncrementalHoareTripleChecker+Valid, 4331 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-07-12 05:59:40,311 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3482 Valid, 2329 Invalid, 5849 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1518 Valid, 4331 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-07-12 05:59:40,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227094 states.