/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/product-lines/email_spec1_product21.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 06:21:45,899 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 06:21:45,900 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 06:21:45,924 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-10 06:21:45,925 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-10 06:21:45,926 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-10 06:21:45,927 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-10 06:21:45,928 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-10 06:21:45,929 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-10 06:21:45,942 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-10 06:21:45,942 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-10 06:21:45,952 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-10 06:21:45,952 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 06:21:45,954 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 06:21:45,955 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 06:21:45,956 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 06:21:45,957 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 06:21:45,957 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 06:21:45,960 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 06:21:45,963 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 06:21:45,964 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 06:21:45,980 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 06:21:45,982 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 06:21:45,983 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 06:21:45,989 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-10 06:21:45,989 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-10 06:21:45,989 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-10 06:21:45,990 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-10 06:21:45,990 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-10 06:21:45,990 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-10 06:21:45,991 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-10 06:21:45,991 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-10 06:21:45,991 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-10 06:21:45,992 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-10 06:21:45,992 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-10 06:21:45,993 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-10 06:21:45,993 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-10 06:21:45,993 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-10 06:21:45,993 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 06:21:45,994 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 06:21:45,994 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 06:21:45,999 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-01-10 06:21:46,022 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 06:21:46,022 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 06:21:46,022 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 06:21:46,022 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 06:21:46,023 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-10 06:21:46,023 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-10 06:21:46,023 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 06:21:46,023 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 06:21:46,023 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 06:21:46,023 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 06:21:46,024 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 06:21:46,024 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 06:21:46,024 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 06:21:46,024 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 06:21:46,024 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 06:21:46,024 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 06:21:46,024 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 06:21:46,024 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 06:21:46,024 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 06:21:46,024 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 06:21:46,024 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 06:21:46,024 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 06:21:46,024 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 06:21:46,025 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 06:21:46,025 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 06:21:46,025 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 06:21:46,025 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 06:21:46,025 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-01-10 06:21:46,025 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-01-10 06:21:46,025 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 06:21:46,025 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 06:21:46,025 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 06:21:46,025 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 06:21:46,025 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 06:21:46,210 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 06:21:46,229 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 06:21:46,231 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 06:21:46,232 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 06:21:46,242 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 06:21:46,243 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec1_product21.cil.c [2022-01-10 06:21:46,297 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6a10363a/04b1b2b5ed334c9f9a7f0e5e7556b694/FLAG02074a984 [2022-01-10 06:21:46,719 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 06:21:46,720 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec1_product21.cil.c [2022-01-10 06:21:46,732 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6a10363a/04b1b2b5ed334c9f9a7f0e5e7556b694/FLAG02074a984 [2022-01-10 06:21:46,740 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6a10363a/04b1b2b5ed334c9f9a7f0e5e7556b694 [2022-01-10 06:21:46,742 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 06:21:46,743 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-10 06:21:46,744 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 06:21:46,744 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 06:21:46,746 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 06:21:46,746 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:21:46" (1/1) ... [2022-01-10 06:21:46,747 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15e0c2ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:21:46, skipping insertion in model container [2022-01-10 06:21:46,747 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:21:46" (1/1) ... [2022-01-10 06:21:46,755 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 06:21:46,810 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 06:21:47,221 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec1_product21.cil.c[63391,63404] [2022-01-10 06:21:47,223 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 06:21:47,239 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-01-10 06:21:47,248 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 06:21:47,326 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec1_product21.cil.c[63391,63404] [2022-01-10 06:21:47,327 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 06:21:47,339 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 06:21:47,410 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec1_product21.cil.c[63391,63404] [2022-01-10 06:21:47,411 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 06:21:47,437 INFO L208 MainTranslator]: Completed translation [2022-01-10 06:21:47,438 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:21:47 WrapperNode [2022-01-10 06:21:47,438 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 06:21:47,439 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 06:21:47,439 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 06:21:47,439 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 06:21:47,444 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:21:47" (1/1) ... [2022-01-10 06:21:47,478 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:21:47" (1/1) ... [2022-01-10 06:21:47,533 INFO L137 Inliner]: procedures = 130, calls = 215, calls flagged for inlining = 57, calls inlined = 54, statements flattened = 1005 [2022-01-10 06:21:47,533 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 06:21:47,534 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 06:21:47,534 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 06:21:47,534 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 06:21:47,545 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:21:47" (1/1) ... [2022-01-10 06:21:47,545 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:21:47" (1/1) ... [2022-01-10 06:21:47,557 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:21:47" (1/1) ... [2022-01-10 06:21:47,558 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:21:47" (1/1) ... [2022-01-10 06:21:47,575 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:21:47" (1/1) ... [2022-01-10 06:21:47,597 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:21:47" (1/1) ... [2022-01-10 06:21:47,601 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:21:47" (1/1) ... [2022-01-10 06:21:47,607 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 06:21:47,615 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 06:21:47,615 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 06:21:47,616 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 06:21:47,616 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:21:47" (1/1) ... [2022-01-10 06:21:47,623 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 06:21:47,630 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 06:21:47,639 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) [2022-01-10 06:21:47,640 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 [2022-01-10 06:21:47,672 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2022-01-10 06:21:47,672 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2022-01-10 06:21:47,672 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2022-01-10 06:21:47,672 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2022-01-10 06:21:47,673 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2022-01-10 06:21:47,673 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2022-01-10 06:21:47,673 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2022-01-10 06:21:47,673 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2022-01-10 06:21:47,673 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2022-01-10 06:21:47,673 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2022-01-10 06:21:47,673 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2022-01-10 06:21:47,673 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2022-01-10 06:21:47,673 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2022-01-10 06:21:47,673 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2022-01-10 06:21:47,673 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2022-01-10 06:21:47,673 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2022-01-10 06:21:47,673 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2022-01-10 06:21:47,673 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2022-01-10 06:21:47,674 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2022-01-10 06:21:47,674 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2022-01-10 06:21:47,674 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2022-01-10 06:21:47,674 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 06:21:47,674 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2022-01-10 06:21:47,674 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2022-01-10 06:21:47,674 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2022-01-10 06:21:47,674 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2022-01-10 06:21:47,674 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2022-01-10 06:21:47,674 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2022-01-10 06:21:47,674 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2022-01-10 06:21:47,674 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2022-01-10 06:21:47,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 06:21:47,674 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2022-01-10 06:21:47,675 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2022-01-10 06:21:47,675 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2022-01-10 06:21:47,675 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2022-01-10 06:21:47,675 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2022-01-10 06:21:47,675 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2022-01-10 06:21:47,675 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2022-01-10 06:21:47,675 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2022-01-10 06:21:47,675 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2022-01-10 06:21:47,675 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2022-01-10 06:21:47,675 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2022-01-10 06:21:47,675 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2022-01-10 06:21:47,675 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2022-01-10 06:21:47,675 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2022-01-10 06:21:47,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 06:21:47,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 06:21:47,834 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 06:21:47,836 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 06:21:48,506 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 06:21:48,518 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 06:21:48,519 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-01-10 06:21:48,522 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:21:48 BoogieIcfgContainer [2022-01-10 06:21:48,522 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 06:21:48,524 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 06:21:48,524 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 06:21:48,527 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 06:21:48,528 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 06:21:46" (1/3) ... [2022-01-10 06:21:48,528 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e77f474 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:21:48, skipping insertion in model container [2022-01-10 06:21:48,529 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:21:47" (2/3) ... [2022-01-10 06:21:48,529 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e77f474 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:21:48, skipping insertion in model container [2022-01-10 06:21:48,529 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:21:48" (3/3) ... [2022-01-10 06:21:48,531 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec1_product21.cil.c [2022-01-10 06:21:48,535 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 06:21:48,535 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-10 06:21:48,619 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 06:21:48,626 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2022-01-10 06:21:48,626 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-10 06:21:48,660 INFO L276 IsEmpty]: Start isEmpty. Operand has 376 states, 296 states have (on average 1.570945945945946) internal successors, (465), 301 states have internal predecessors, (465), 57 states have call successors, (57), 21 states have call predecessors, (57), 21 states have return successors, (57), 56 states have call predecessors, (57), 57 states have call successors, (57) [2022-01-10 06:21:48,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-01-10 06:21:48,679 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:21:48,679 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:21:48,680 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:21:48,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:21:48,684 INFO L85 PathProgramCache]: Analyzing trace with hash 426428557, now seen corresponding path program 1 times [2022-01-10 06:21:48,696 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:21:48,696 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1801738601] [2022-01-10 06:21:48,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:21:48,697 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:21:48,698 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:21:48,700 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:21:48,701 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-01-10 06:21:48,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:21:48,990 INFO L263 TraceCheckSpWp]: Trace formula consists of 529 conjuncts, 1 conjunts are in the unsatisfiable core [2022-01-10 06:21:48,996 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:21:49,186 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-01-10 06:21:49,186 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:21:49,187 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:21:49,187 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1801738601] [2022-01-10 06:21:49,187 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1801738601] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:21:49,187 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:21:49,188 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 06:21:49,189 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837162655] [2022-01-10 06:21:49,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:21:49,192 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-10 06:21:49,193 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:21:49,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-10 06:21:49,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-10 06:21:49,214 INFO L87 Difference]: Start difference. First operand has 376 states, 296 states have (on average 1.570945945945946) internal successors, (465), 301 states have internal predecessors, (465), 57 states have call successors, (57), 21 states have call predecessors, (57), 21 states have return successors, (57), 56 states have call predecessors, (57), 57 states have call successors, (57) Second operand has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-01-10 06:21:49,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:21:49,268 INFO L93 Difference]: Finished difference Result 559 states and 848 transitions. [2022-01-10 06:21:49,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-10 06:21:49,272 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 98 [2022-01-10 06:21:49,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:21:49,283 INFO L225 Difference]: With dead ends: 559 [2022-01-10 06:21:49,286 INFO L226 Difference]: Without dead ends: 369 [2022-01-10 06:21:49,296 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-10 06:21:49,299 INFO L933 BasicCegarLoop]: 575 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, 575 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 [2022-01-10 06:21:49,300 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 575 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:21:49,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2022-01-10 06:21:49,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 369. [2022-01-10 06:21:49,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 369 states, 290 states have (on average 1.5655172413793104) internal successors, (454), 294 states have internal predecessors, (454), 57 states have call successors, (57), 21 states have call predecessors, (57), 21 states have return successors, (56), 55 states have call predecessors, (56), 56 states have call successors, (56) [2022-01-10 06:21:49,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 567 transitions. [2022-01-10 06:21:49,379 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 567 transitions. Word has length 98 [2022-01-10 06:21:49,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:21:49,380 INFO L470 AbstractCegarLoop]: Abstraction has 369 states and 567 transitions. [2022-01-10 06:21:49,381 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-01-10 06:21:49,381 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 567 transitions. [2022-01-10 06:21:49,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-01-10 06:21:49,384 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:21:49,385 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:21:49,395 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-01-10 06:21:49,587 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:21:49,588 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:21:49,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:21:49,588 INFO L85 PathProgramCache]: Analyzing trace with hash -1589648079, now seen corresponding path program 1 times [2022-01-10 06:21:49,589 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:21:49,589 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1816795599] [2022-01-10 06:21:49,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:21:49,589 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:21:49,590 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:21:49,590 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:21:49,601 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-01-10 06:21:49,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:21:49,804 INFO L263 TraceCheckSpWp]: Trace formula consists of 530 conjuncts, 8 conjunts are in the unsatisfiable core [2022-01-10 06:21:49,808 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:21:49,987 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-01-10 06:21:49,987 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:21:49,987 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:21:49,987 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1816795599] [2022-01-10 06:21:49,987 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1816795599] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:21:49,987 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:21:49,988 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-10 06:21:49,988 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698280118] [2022-01-10 06:21:49,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:21:49,989 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-10 06:21:49,989 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:21:49,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-10 06:21:49,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-10 06:21:49,990 INFO L87 Difference]: Start difference. First operand 369 states and 567 transitions. Second operand has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2022-01-10 06:21:50,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:21:50,108 INFO L93 Difference]: Finished difference Result 729 states and 1124 transitions. [2022-01-10 06:21:50,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-10 06:21:50,109 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) Word has length 99 [2022-01-10 06:21:50,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:21:50,112 INFO L225 Difference]: With dead ends: 729 [2022-01-10 06:21:50,112 INFO L226 Difference]: Without dead ends: 371 [2022-01-10 06:21:50,114 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-01-10 06:21:50,114 INFO L933 BasicCegarLoop]: 558 mSDtfsCounter, 152 mSDsluCounter, 1500 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 2058 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 06:21:50,115 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [175 Valid, 2058 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 06:21:50,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2022-01-10 06:21:50,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 371. [2022-01-10 06:21:50,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 371 states, 291 states have (on average 1.563573883161512) internal successors, (455), 296 states have internal predecessors, (455), 57 states have call successors, (57), 21 states have call predecessors, (57), 22 states have return successors, (58), 55 states have call predecessors, (58), 56 states have call successors, (58) [2022-01-10 06:21:50,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 371 states and 570 transitions. [2022-01-10 06:21:50,145 INFO L78 Accepts]: Start accepts. Automaton has 371 states and 570 transitions. Word has length 99 [2022-01-10 06:21:50,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:21:50,145 INFO L470 AbstractCegarLoop]: Abstraction has 371 states and 570 transitions. [2022-01-10 06:21:50,145 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2022-01-10 06:21:50,145 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 570 transitions. [2022-01-10 06:21:50,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-01-10 06:21:50,148 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:21:50,148 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:21:50,164 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-01-10 06:21:50,357 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:21:50,358 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:21:50,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:21:50,358 INFO L85 PathProgramCache]: Analyzing trace with hash 1637851863, now seen corresponding path program 1 times [2022-01-10 06:21:50,359 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:21:50,359 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1200337673] [2022-01-10 06:21:50,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:21:50,359 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:21:50,359 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:21:50,360 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:21:50,372 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-01-10 06:21:50,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:21:50,570 INFO L263 TraceCheckSpWp]: Trace formula consists of 531 conjuncts, 6 conjunts are in the unsatisfiable core [2022-01-10 06:21:50,574 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:21:50,728 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-01-10 06:21:50,728 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:21:50,728 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:21:50,729 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1200337673] [2022-01-10 06:21:50,729 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1200337673] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:21:50,729 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:21:50,729 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-10 06:21:50,729 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155429996] [2022-01-10 06:21:50,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:21:50,730 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-10 06:21:50,730 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:21:50,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-10 06:21:50,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-10 06:21:50,758 INFO L87 Difference]: Start difference. First operand 371 states and 570 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-01-10 06:21:50,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:21:50,830 INFO L93 Difference]: Finished difference Result 731 states and 1128 transitions. [2022-01-10 06:21:50,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-10 06:21:50,830 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 100 [2022-01-10 06:21:50,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:21:50,833 INFO L225 Difference]: With dead ends: 731 [2022-01-10 06:21:50,833 INFO L226 Difference]: Without dead ends: 373 [2022-01-10 06:21:50,835 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-01-10 06:21:50,835 INFO L933 BasicCegarLoop]: 556 mSDtfsCounter, 151 mSDsluCounter, 1491 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 2047 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:21:50,836 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [174 Valid, 2047 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:21:50,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2022-01-10 06:21:50,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 373. [2022-01-10 06:21:50,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 373 states, 292 states have (on average 1.5616438356164384) internal successors, (456), 298 states have internal predecessors, (456), 57 states have call successors, (57), 21 states have call predecessors, (57), 23 states have return successors, (62), 55 states have call predecessors, (62), 56 states have call successors, (62) [2022-01-10 06:21:50,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 575 transitions. [2022-01-10 06:21:50,852 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 575 transitions. Word has length 100 [2022-01-10 06:21:50,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:21:50,853 INFO L470 AbstractCegarLoop]: Abstraction has 373 states and 575 transitions. [2022-01-10 06:21:50,853 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-01-10 06:21:50,853 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 575 transitions. [2022-01-10 06:21:50,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-01-10 06:21:50,855 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:21:50,855 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:21:50,887 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2022-01-10 06:21:51,067 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:21:51,067 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:21:51,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:21:51,068 INFO L85 PathProgramCache]: Analyzing trace with hash -77647966, now seen corresponding path program 1 times [2022-01-10 06:21:51,068 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:21:51,068 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [188208549] [2022-01-10 06:21:51,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:21:51,069 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:21:51,069 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:21:51,070 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:21:51,070 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-01-10 06:21:51,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:21:51,267 INFO L263 TraceCheckSpWp]: Trace formula consists of 532 conjuncts, 8 conjunts are in the unsatisfiable core [2022-01-10 06:21:51,275 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:21:51,404 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-01-10 06:21:51,404 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:21:51,404 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:21:51,404 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [188208549] [2022-01-10 06:21:51,407 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [188208549] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:21:51,407 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:21:51,407 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-10 06:21:51,407 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140293907] [2022-01-10 06:21:51,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:21:51,409 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-10 06:21:51,411 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:21:51,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-10 06:21:51,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-10 06:21:51,415 INFO L87 Difference]: Start difference. First operand 373 states and 575 transitions. Second operand has 5 states, 4 states have (on average 16.75) internal successors, (67), 5 states have internal predecessors, (67), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2022-01-10 06:21:51,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:21:51,463 INFO L93 Difference]: Finished difference Result 723 states and 1118 transitions. [2022-01-10 06:21:51,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-10 06:21:51,464 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.75) internal successors, (67), 5 states have internal predecessors, (67), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) Word has length 101 [2022-01-10 06:21:51,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:21:51,467 INFO L225 Difference]: With dead ends: 723 [2022-01-10 06:21:51,467 INFO L226 Difference]: Without dead ends: 373 [2022-01-10 06:21:51,469 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-01-10 06:21:51,473 INFO L933 BasicCegarLoop]: 558 mSDtfsCounter, 150 mSDsluCounter, 1503 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 2061 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 [2022-01-10 06:21:51,473 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [170 Valid, 2061 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:21:51,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2022-01-10 06:21:51,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 373. [2022-01-10 06:21:51,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 373 states, 292 states have (on average 1.5616438356164384) internal successors, (456), 298 states have internal predecessors, (456), 57 states have call successors, (57), 21 states have call predecessors, (57), 23 states have return successors, (61), 55 states have call predecessors, (61), 56 states have call successors, (61) [2022-01-10 06:21:51,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 574 transitions. [2022-01-10 06:21:51,491 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 574 transitions. Word has length 101 [2022-01-10 06:21:51,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:21:51,492 INFO L470 AbstractCegarLoop]: Abstraction has 373 states and 574 transitions. [2022-01-10 06:21:51,492 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.75) internal successors, (67), 5 states have internal predecessors, (67), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2022-01-10 06:21:51,492 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 574 transitions. [2022-01-10 06:21:51,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-01-10 06:21:51,493 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:21:51,493 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:21:51,517 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-01-10 06:21:51,702 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:21:51,703 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:21:51,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:21:51,703 INFO L85 PathProgramCache]: Analyzing trace with hash -92449818, now seen corresponding path program 2 times [2022-01-10 06:21:51,704 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:21:51,704 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1519313779] [2022-01-10 06:21:51,704 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-01-10 06:21:51,704 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:21:51,704 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:21:51,705 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:21:51,712 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-01-10 06:21:51,846 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-01-10 06:21:51,847 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-10 06:21:51,851 INFO L263 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 06:21:51,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:21:51,947 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2022-01-10 06:21:51,947 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:21:51,947 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:21:51,947 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1519313779] [2022-01-10 06:21:51,948 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1519313779] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:21:51,948 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:21:51,948 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 06:21:51,948 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354393796] [2022-01-10 06:21:51,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:21:51,948 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 06:21:51,948 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:21:51,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 06:21:51,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:21:51,949 INFO L87 Difference]: Start difference. First operand 373 states and 574 transitions. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-01-10 06:21:51,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:21:51,964 INFO L93 Difference]: Finished difference Result 553 states and 833 transitions. [2022-01-10 06:21:51,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 06:21:51,964 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 102 [2022-01-10 06:21:51,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:21:51,966 INFO L225 Difference]: With dead ends: 553 [2022-01-10 06:21:51,966 INFO L226 Difference]: Without dead ends: 376 [2022-01-10 06:21:51,967 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:21:51,967 INFO L933 BasicCegarLoop]: 565 mSDtfsCounter, 1 mSDsluCounter, 563 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1128 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 [2022-01-10 06:21:51,968 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 1128 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:21:51,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2022-01-10 06:21:51,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 375. [2022-01-10 06:21:51,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 375 states, 294 states have (on average 1.5578231292517006) internal successors, (458), 300 states have internal predecessors, (458), 57 states have call successors, (57), 21 states have call predecessors, (57), 23 states have return successors, (61), 55 states have call predecessors, (61), 56 states have call successors, (61) [2022-01-10 06:21:51,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 576 transitions. [2022-01-10 06:21:51,979 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 576 transitions. Word has length 102 [2022-01-10 06:21:51,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:21:51,980 INFO L470 AbstractCegarLoop]: Abstraction has 375 states and 576 transitions. [2022-01-10 06:21:51,980 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-01-10 06:21:51,980 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 576 transitions. [2022-01-10 06:21:51,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-01-10 06:21:51,981 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:21:51,981 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:21:51,990 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-01-10 06:21:52,189 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:21:52,189 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:21:52,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:21:52,190 INFO L85 PathProgramCache]: Analyzing trace with hash 1928081309, now seen corresponding path program 1 times [2022-01-10 06:21:52,191 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:21:52,191 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1187031558] [2022-01-10 06:21:52,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:21:52,191 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:21:52,191 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:21:52,192 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:21:52,193 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-01-10 06:21:52,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:21:52,383 INFO L263 TraceCheckSpWp]: Trace formula consists of 541 conjuncts, 8 conjunts are in the unsatisfiable core [2022-01-10 06:21:52,386 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:21:52,521 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-01-10 06:21:52,522 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:21:52,522 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:21:52,522 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1187031558] [2022-01-10 06:21:52,522 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1187031558] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:21:52,522 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:21:52,522 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-10 06:21:52,522 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844561115] [2022-01-10 06:21:52,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:21:52,523 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-10 06:21:52,523 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:21:52,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-10 06:21:52,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-10 06:21:52,523 INFO L87 Difference]: Start difference. First operand 375 states and 576 transitions. Second operand has 5 states, 4 states have (on average 18.25) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2022-01-10 06:21:52,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:21:52,592 INFO L93 Difference]: Finished difference Result 729 states and 1125 transitions. [2022-01-10 06:21:52,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-10 06:21:52,593 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.25) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) Word has length 108 [2022-01-10 06:21:52,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:21:52,596 INFO L225 Difference]: With dead ends: 729 [2022-01-10 06:21:52,596 INFO L226 Difference]: Without dead ends: 377 [2022-01-10 06:21:52,597 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-01-10 06:21:52,598 INFO L933 BasicCegarLoop]: 559 mSDtfsCounter, 148 mSDsluCounter, 1504 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 2063 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:21:52,598 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [168 Valid, 2063 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:21:52,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2022-01-10 06:21:52,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 377. [2022-01-10 06:21:52,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 377 states, 295 states have (on average 1.5559322033898304) internal successors, (459), 302 states have internal predecessors, (459), 57 states have call successors, (57), 21 states have call predecessors, (57), 24 states have return successors, (63), 55 states have call predecessors, (63), 56 states have call successors, (63) [2022-01-10 06:21:52,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 579 transitions. [2022-01-10 06:21:52,616 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 579 transitions. Word has length 108 [2022-01-10 06:21:52,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:21:52,616 INFO L470 AbstractCegarLoop]: Abstraction has 377 states and 579 transitions. [2022-01-10 06:21:52,616 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.25) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2022-01-10 06:21:52,616 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 579 transitions. [2022-01-10 06:21:52,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-01-10 06:21:52,620 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:21:52,620 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:21:52,632 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-01-10 06:21:52,830 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:21:52,830 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:21:52,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:21:52,831 INFO L85 PathProgramCache]: Analyzing trace with hash -77006370, now seen corresponding path program 1 times [2022-01-10 06:21:52,831 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:21:52,831 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1976619576] [2022-01-10 06:21:52,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:21:52,832 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:21:52,832 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:21:52,833 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:21:52,859 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-01-10 06:21:53,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:21:53,066 INFO L263 TraceCheckSpWp]: Trace formula consists of 542 conjuncts, 6 conjunts are in the unsatisfiable core [2022-01-10 06:21:53,069 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:21:53,194 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-01-10 06:21:53,194 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:21:53,194 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:21:53,194 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1976619576] [2022-01-10 06:21:53,194 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1976619576] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:21:53,195 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:21:53,195 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-10 06:21:53,195 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936545397] [2022-01-10 06:21:53,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:21:53,195 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-10 06:21:53,195 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:21:53,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-10 06:21:53,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-10 06:21:53,196 INFO L87 Difference]: Start difference. First operand 377 states and 579 transitions. Second operand has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-01-10 06:21:53,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:21:53,261 INFO L93 Difference]: Finished difference Result 727 states and 1120 transitions. [2022-01-10 06:21:53,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-10 06:21:53,263 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 109 [2022-01-10 06:21:53,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:21:53,266 INFO L225 Difference]: With dead ends: 727 [2022-01-10 06:21:53,266 INFO L226 Difference]: Without dead ends: 377 [2022-01-10 06:21:53,267 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-01-10 06:21:53,268 INFO L933 BasicCegarLoop]: 556 mSDtfsCounter, 149 mSDsluCounter, 1494 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 2050 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 [2022-01-10 06:21:53,268 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [169 Valid, 2050 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:21:53,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2022-01-10 06:21:53,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 377. [2022-01-10 06:21:53,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 377 states, 295 states have (on average 1.5559322033898304) internal successors, (459), 302 states have internal predecessors, (459), 57 states have call successors, (57), 21 states have call predecessors, (57), 24 states have return successors, (62), 55 states have call predecessors, (62), 56 states have call successors, (62) [2022-01-10 06:21:53,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 578 transitions. [2022-01-10 06:21:53,284 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 578 transitions. Word has length 109 [2022-01-10 06:21:53,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:21:53,284 INFO L470 AbstractCegarLoop]: Abstraction has 377 states and 578 transitions. [2022-01-10 06:21:53,285 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-01-10 06:21:53,285 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 578 transitions. [2022-01-10 06:21:53,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-01-10 06:21:53,286 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:21:53,286 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:21:53,298 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-01-10 06:21:53,496 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:21:53,496 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:21:53,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:21:53,497 INFO L85 PathProgramCache]: Analyzing trace with hash 1240931813, now seen corresponding path program 2 times [2022-01-10 06:21:53,497 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:21:53,497 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1334586706] [2022-01-10 06:21:53,497 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-01-10 06:21:53,498 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:21:53,498 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:21:53,499 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:21:53,500 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-01-10 06:21:53,689 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-01-10 06:21:53,690 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-10 06:21:53,701 INFO L263 TraceCheckSpWp]: Trace formula consists of 543 conjuncts, 6 conjunts are in the unsatisfiable core [2022-01-10 06:21:53,704 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:21:53,820 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-01-10 06:21:53,821 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:21:53,821 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:21:53,821 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1334586706] [2022-01-10 06:21:53,821 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1334586706] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:21:53,821 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:21:53,821 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-10 06:21:53,821 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399209079] [2022-01-10 06:21:53,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:21:53,822 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-10 06:21:53,822 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:21:53,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-10 06:21:53,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-10 06:21:53,823 INFO L87 Difference]: Start difference. First operand 377 states and 578 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-01-10 06:21:53,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:21:53,881 INFO L93 Difference]: Finished difference Result 729 states and 1125 transitions. [2022-01-10 06:21:53,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-10 06:21:53,881 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 110 [2022-01-10 06:21:53,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:21:53,883 INFO L225 Difference]: With dead ends: 729 [2022-01-10 06:21:53,883 INFO L226 Difference]: Without dead ends: 379 [2022-01-10 06:21:53,884 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-01-10 06:21:53,885 INFO L933 BasicCegarLoop]: 557 mSDtfsCounter, 147 mSDsluCounter, 1495 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 2052 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:21:53,885 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [166 Valid, 2052 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:21:53,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2022-01-10 06:21:53,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 379. [2022-01-10 06:21:53,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 379 states, 296 states have (on average 1.554054054054054) internal successors, (460), 304 states have internal predecessors, (460), 57 states have call successors, (57), 21 states have call predecessors, (57), 25 states have return successors, (66), 55 states have call predecessors, (66), 56 states have call successors, (66) [2022-01-10 06:21:53,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 583 transitions. [2022-01-10 06:21:53,896 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 583 transitions. Word has length 110 [2022-01-10 06:21:53,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:21:53,896 INFO L470 AbstractCegarLoop]: Abstraction has 379 states and 583 transitions. [2022-01-10 06:21:53,896 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-01-10 06:21:53,896 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 583 transitions. [2022-01-10 06:21:53,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-01-10 06:21:53,897 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:21:53,898 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:21:53,921 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-01-10 06:21:54,108 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:21:54,108 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:21:54,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:21:54,109 INFO L85 PathProgramCache]: Analyzing trace with hash 401925507, now seen corresponding path program 1 times [2022-01-10 06:21:54,109 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:21:54,109 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [830070590] [2022-01-10 06:21:54,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:21:54,109 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:21:54,109 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:21:54,110 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:21:54,112 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-01-10 06:21:54,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:21:54,296 INFO L263 TraceCheckSpWp]: Trace formula consists of 544 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 06:21:54,298 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:21:54,433 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-01-10 06:21:54,433 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:21:54,433 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:21:54,433 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [830070590] [2022-01-10 06:21:54,434 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [830070590] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:21:54,434 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:21:54,434 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 06:21:54,434 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879886551] [2022-01-10 06:21:54,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:21:54,434 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 06:21:54,434 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:21:54,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 06:21:54,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:21:54,435 INFO L87 Difference]: Start difference. First operand 379 states and 583 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-01-10 06:21:54,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:21:54,452 INFO L93 Difference]: Finished difference Result 802 states and 1252 transitions. [2022-01-10 06:21:54,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 06:21:54,455 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 111 [2022-01-10 06:21:54,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:21:54,458 INFO L225 Difference]: With dead ends: 802 [2022-01-10 06:21:54,458 INFO L226 Difference]: Without dead ends: 454 [2022-01-10 06:21:54,459 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:21:54,459 INFO L933 BasicCegarLoop]: 593 mSDtfsCounter, 134 mSDsluCounter, 521 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 1114 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 [2022-01-10 06:21:54,460 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [152 Valid, 1114 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:21:54,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 454 states. [2022-01-10 06:21:54,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 454 to 446. [2022-01-10 06:21:54,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 446 states, 349 states have (on average 1.5730659025787965) internal successors, (549), 357 states have internal predecessors, (549), 71 states have call successors, (71), 21 states have call predecessors, (71), 25 states have return successors, (82), 69 states have call predecessors, (82), 70 states have call successors, (82) [2022-01-10 06:21:54,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 446 states and 702 transitions. [2022-01-10 06:21:54,485 INFO L78 Accepts]: Start accepts. Automaton has 446 states and 702 transitions. Word has length 111 [2022-01-10 06:21:54,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:21:54,485 INFO L470 AbstractCegarLoop]: Abstraction has 446 states and 702 transitions. [2022-01-10 06:21:54,485 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-01-10 06:21:54,485 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 702 transitions. [2022-01-10 06:21:54,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-01-10 06:21:54,486 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:21:54,487 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:21:54,498 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-01-10 06:21:54,695 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:21:54,696 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:21:54,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:21:54,696 INFO L85 PathProgramCache]: Analyzing trace with hash 1666830699, now seen corresponding path program 1 times [2022-01-10 06:21:54,697 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:21:54,697 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [440657595] [2022-01-10 06:21:54,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:21:54,697 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:21:54,697 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:21:54,698 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:21:54,699 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-01-10 06:21:54,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:21:54,883 INFO L263 TraceCheckSpWp]: Trace formula consists of 546 conjuncts, 3 conjunts are in the unsatisfiable core [2022-01-10 06:21:54,885 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:21:55,035 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-01-10 06:21:55,036 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-10 06:21:55,187 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-01-10 06:21:55,188 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:21:55,188 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [440657595] [2022-01-10 06:21:55,188 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [440657595] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-10 06:21:55,188 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-01-10 06:21:55,188 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2022-01-10 06:21:55,188 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825491131] [2022-01-10 06:21:55,188 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-01-10 06:21:55,188 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-10 06:21:55,189 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:21:55,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-10 06:21:55,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-01-10 06:21:55,189 INFO L87 Difference]: Start difference. First operand 446 states and 702 transitions. Second operand has 6 states, 6 states have (on average 16.166666666666668) internal successors, (97), 6 states have internal predecessors, (97), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-01-10 06:21:55,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:21:55,420 INFO L93 Difference]: Finished difference Result 1065 states and 1731 transitions. [2022-01-10 06:21:55,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-10 06:21:55,421 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.166666666666668) internal successors, (97), 6 states have internal predecessors, (97), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 112 [2022-01-10 06:21:55,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:21:55,426 INFO L225 Difference]: With dead ends: 1065 [2022-01-10 06:21:55,426 INFO L226 Difference]: Without dead ends: 888 [2022-01-10 06:21:55,427 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 218 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2022-01-10 06:21:55,427 INFO L933 BasicCegarLoop]: 645 mSDtfsCounter, 703 mSDsluCounter, 1435 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 739 SdHoareTripleChecker+Valid, 2080 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-10 06:21:55,428 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [739 Valid, 2080 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-10 06:21:55,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 888 states. [2022-01-10 06:21:55,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 888 to 864. [2022-01-10 06:21:55,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 864 states, 688 states have (on average 1.630813953488372) internal successors, (1122), 696 states have internal predecessors, (1122), 150 states have call successors, (150), 21 states have call predecessors, (150), 25 states have return successors, (171), 148 states have call predecessors, (171), 149 states have call successors, (171) [2022-01-10 06:21:55,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 864 states to 864 states and 1443 transitions. [2022-01-10 06:21:55,462 INFO L78 Accepts]: Start accepts. Automaton has 864 states and 1443 transitions. Word has length 112 [2022-01-10 06:21:55,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:21:55,463 INFO L470 AbstractCegarLoop]: Abstraction has 864 states and 1443 transitions. [2022-01-10 06:21:55,463 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.166666666666668) internal successors, (97), 6 states have internal predecessors, (97), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-01-10 06:21:55,463 INFO L276 IsEmpty]: Start isEmpty. Operand 864 states and 1443 transitions. [2022-01-10 06:21:55,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-01-10 06:21:55,466 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:21:55,466 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:21:55,475 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-01-10 06:21:55,675 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:21:55,675 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:21:55,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:21:55,676 INFO L85 PathProgramCache]: Analyzing trace with hash 47901070, now seen corresponding path program 1 times [2022-01-10 06:21:55,676 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:21:55,676 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1150372233] [2022-01-10 06:21:55,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:21:55,676 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:21:55,676 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:21:55,677 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:21:55,678 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-01-10 06:21:55,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:21:55,855 INFO L263 TraceCheckSpWp]: Trace formula consists of 550 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 06:21:55,857 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:21:55,986 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-01-10 06:21:55,987 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:21:55,987 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:21:55,987 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1150372233] [2022-01-10 06:21:55,987 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1150372233] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:21:55,987 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:21:55,987 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 06:21:55,987 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125390417] [2022-01-10 06:21:55,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:21:55,988 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 06:21:55,988 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:21:55,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 06:21:55,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:21:55,988 INFO L87 Difference]: Start difference. First operand 864 states and 1443 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-01-10 06:21:56,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:21:56,047 INFO L93 Difference]: Finished difference Result 2083 states and 3523 transitions. [2022-01-10 06:21:56,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 06:21:56,048 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 118 [2022-01-10 06:21:56,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:21:56,054 INFO L225 Difference]: With dead ends: 2083 [2022-01-10 06:21:56,054 INFO L226 Difference]: Without dead ends: 1287 [2022-01-10 06:21:56,057 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:21:56,058 INFO L933 BasicCegarLoop]: 597 mSDtfsCounter, 132 mSDsluCounter, 564 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 1161 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 [2022-01-10 06:21:56,058 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [150 Valid, 1161 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:21:56,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1287 states. [2022-01-10 06:21:56,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1287 to 1279. [2022-01-10 06:21:56,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1279 states, 1024 states have (on average 1.642578125) internal successors, (1682), 1032 states have internal predecessors, (1682), 229 states have call successors, (229), 21 states have call predecessors, (229), 25 states have return successors, (260), 227 states have call predecessors, (260), 228 states have call successors, (260) [2022-01-10 06:21:56,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1279 states to 1279 states and 2171 transitions. [2022-01-10 06:21:56,109 INFO L78 Accepts]: Start accepts. Automaton has 1279 states and 2171 transitions. Word has length 118 [2022-01-10 06:21:56,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:21:56,109 INFO L470 AbstractCegarLoop]: Abstraction has 1279 states and 2171 transitions. [2022-01-10 06:21:56,109 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-01-10 06:21:56,110 INFO L276 IsEmpty]: Start isEmpty. Operand 1279 states and 2171 transitions. [2022-01-10 06:21:56,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-01-10 06:21:56,114 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:21:56,114 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:21:56,125 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Ended with exit code 0 [2022-01-10 06:21:56,323 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:21:56,324 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:21:56,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:21:56,324 INFO L85 PathProgramCache]: Analyzing trace with hash -1836156349, now seen corresponding path program 1 times [2022-01-10 06:21:56,325 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:21:56,325 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1776915367] [2022-01-10 06:21:56,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:21:56,325 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:21:56,325 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:21:56,326 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:21:56,327 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-01-10 06:21:56,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:21:56,512 INFO L263 TraceCheckSpWp]: Trace formula consists of 552 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 06:21:56,515 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:21:56,646 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-01-10 06:21:56,646 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:21:56,646 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:21:56,646 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1776915367] [2022-01-10 06:21:56,646 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1776915367] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:21:56,646 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:21:56,647 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 06:21:56,647 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873222932] [2022-01-10 06:21:56,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:21:56,647 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 06:21:56,647 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:21:56,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 06:21:56,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:21:56,648 INFO L87 Difference]: Start difference. First operand 1279 states and 2171 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-01-10 06:21:56,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:21:56,701 INFO L93 Difference]: Finished difference Result 3097 states and 5285 transitions. [2022-01-10 06:21:56,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 06:21:56,702 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 119 [2022-01-10 06:21:56,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:21:56,710 INFO L225 Difference]: With dead ends: 3097 [2022-01-10 06:21:56,711 INFO L226 Difference]: Without dead ends: 1939 [2022-01-10 06:21:56,715 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:21:56,715 INFO L933 BasicCegarLoop]: 584 mSDtfsCounter, 130 mSDsluCounter, 560 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 1144 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 [2022-01-10 06:21:56,715 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [148 Valid, 1144 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:21:56,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1939 states. [2022-01-10 06:21:56,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1939 to 1931. [2022-01-10 06:21:56,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1931 states, 1557 states have (on average 1.6499678869621066) internal successors, (2569), 1565 states have internal predecessors, (2569), 348 states have call successors, (348), 21 states have call predecessors, (348), 25 states have return successors, (379), 346 states have call predecessors, (379), 347 states have call successors, (379) [2022-01-10 06:21:56,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1931 states to 1931 states and 3296 transitions. [2022-01-10 06:21:56,801 INFO L78 Accepts]: Start accepts. Automaton has 1931 states and 3296 transitions. Word has length 119 [2022-01-10 06:21:56,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:21:56,802 INFO L470 AbstractCegarLoop]: Abstraction has 1931 states and 3296 transitions. [2022-01-10 06:21:56,802 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-01-10 06:21:56,802 INFO L276 IsEmpty]: Start isEmpty. Operand 1931 states and 3296 transitions. [2022-01-10 06:21:56,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-01-10 06:21:56,812 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:21:56,812 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:21:56,824 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2022-01-10 06:21:57,024 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:21:57,024 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:21:57,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:21:57,024 INFO L85 PathProgramCache]: Analyzing trace with hash 21057164, now seen corresponding path program 1 times [2022-01-10 06:21:57,025 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:21:57,025 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1009522921] [2022-01-10 06:21:57,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:21:57,025 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:21:57,025 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:21:57,026 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:21:57,027 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2022-01-10 06:21:57,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:21:57,212 INFO L263 TraceCheckSpWp]: Trace formula consists of 554 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 06:21:57,216 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:21:57,342 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-01-10 06:21:57,342 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:21:57,342 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:21:57,342 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1009522921] [2022-01-10 06:21:57,342 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1009522921] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:21:57,342 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:21:57,343 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 06:21:57,343 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651654665] [2022-01-10 06:21:57,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:21:57,343 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 06:21:57,343 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:21:57,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 06:21:57,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:21:57,344 INFO L87 Difference]: Start difference. First operand 1931 states and 3296 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-01-10 06:21:57,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:21:57,431 INFO L93 Difference]: Finished difference Result 4627 states and 7953 transitions. [2022-01-10 06:21:57,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 06:21:57,432 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 120 [2022-01-10 06:21:57,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:21:57,445 INFO L225 Difference]: With dead ends: 4627 [2022-01-10 06:21:57,445 INFO L226 Difference]: Without dead ends: 2942 [2022-01-10 06:21:57,452 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:21:57,452 INFO L933 BasicCegarLoop]: 581 mSDtfsCounter, 128 mSDsluCounter, 557 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 1138 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 [2022-01-10 06:21:57,453 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [146 Valid, 1138 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:21:57,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2942 states. [2022-01-10 06:21:57,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2942 to 2934. [2022-01-10 06:21:57,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2934 states, 2398 states have (on average 1.6559633027522935) internal successors, (3971), 2406 states have internal predecessors, (3971), 510 states have call successors, (510), 21 states have call predecessors, (510), 25 states have return successors, (557), 508 states have call predecessors, (557), 509 states have call successors, (557) [2022-01-10 06:21:57,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2934 states to 2934 states and 5038 transitions. [2022-01-10 06:21:57,615 INFO L78 Accepts]: Start accepts. Automaton has 2934 states and 5038 transitions. Word has length 120 [2022-01-10 06:21:57,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:21:57,616 INFO L470 AbstractCegarLoop]: Abstraction has 2934 states and 5038 transitions. [2022-01-10 06:21:57,616 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-01-10 06:21:57,616 INFO L276 IsEmpty]: Start isEmpty. Operand 2934 states and 5038 transitions. [2022-01-10 06:21:57,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-01-10 06:21:57,625 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:21:57,625 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:21:57,633 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2022-01-10 06:21:57,833 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:21:57,834 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:21:57,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:21:57,834 INFO L85 PathProgramCache]: Analyzing trace with hash -1018856222, now seen corresponding path program 1 times [2022-01-10 06:21:57,834 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:21:57,835 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [837061514] [2022-01-10 06:21:57,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:21:57,835 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:21:57,835 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:21:57,836 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:21:57,836 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2022-01-10 06:21:58,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:21:58,020 INFO L263 TraceCheckSpWp]: Trace formula consists of 556 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 06:21:58,023 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:21:58,165 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-01-10 06:21:58,165 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:21:58,165 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:21:58,166 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [837061514] [2022-01-10 06:21:58,166 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [837061514] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:21:58,166 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:21:58,166 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 06:21:58,166 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026651983] [2022-01-10 06:21:58,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:21:58,167 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 06:21:58,167 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:21:58,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 06:21:58,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:21:58,168 INFO L87 Difference]: Start difference. First operand 2934 states and 5038 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, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-01-10 06:21:58,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:21:58,278 INFO L93 Difference]: Finished difference Result 7051 states and 12185 transitions. [2022-01-10 06:21:58,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 06:21:58,279 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, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 121 [2022-01-10 06:21:58,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:21:58,295 INFO L225 Difference]: With dead ends: 7051 [2022-01-10 06:21:58,296 INFO L226 Difference]: Without dead ends: 4567 [2022-01-10 06:21:58,301 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:21:58,302 INFO L933 BasicCegarLoop]: 581 mSDtfsCounter, 126 mSDsluCounter, 557 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 1138 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 [2022-01-10 06:21:58,302 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [144 Valid, 1138 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:21:58,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4567 states. [2022-01-10 06:21:58,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4567 to 4559. [2022-01-10 06:21:58,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4559 states, 3778 states have (on average 1.660137638962414) internal successors, (6272), 3786 states have internal predecessors, (6272), 755 states have call successors, (755), 21 states have call predecessors, (755), 25 states have return successors, (828), 753 states have call predecessors, (828), 754 states have call successors, (828) [2022-01-10 06:21:58,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4559 states to 4559 states and 7855 transitions. [2022-01-10 06:21:58,474 INFO L78 Accepts]: Start accepts. Automaton has 4559 states and 7855 transitions. Word has length 121 [2022-01-10 06:21:58,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:21:58,474 INFO L470 AbstractCegarLoop]: Abstraction has 4559 states and 7855 transitions. [2022-01-10 06:21:58,475 INFO L471 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, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-01-10 06:21:58,475 INFO L276 IsEmpty]: Start isEmpty. Operand 4559 states and 7855 transitions. [2022-01-10 06:21:58,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-01-10 06:21:58,487 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:21:58,487 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:21:58,499 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2022-01-10 06:21:58,697 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:21:58,697 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:21:58,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:21:58,698 INFO L85 PathProgramCache]: Analyzing trace with hash 1911849136, now seen corresponding path program 1 times [2022-01-10 06:21:58,698 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:21:58,698 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1187087780] [2022-01-10 06:21:58,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:21:58,698 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:21:58,698 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:21:58,699 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:21:58,700 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2022-01-10 06:21:58,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:21:58,884 INFO L263 TraceCheckSpWp]: Trace formula consists of 558 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 06:21:58,886 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:21:59,006 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-01-10 06:21:59,007 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:21:59,007 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:21:59,007 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1187087780] [2022-01-10 06:21:59,007 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1187087780] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:21:59,007 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:21:59,007 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 06:21:59,007 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713198875] [2022-01-10 06:21:59,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:21:59,007 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 06:21:59,008 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:21:59,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 06:21:59,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:21:59,008 INFO L87 Difference]: Start difference. First operand 4559 states and 7855 transitions. Second operand has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-01-10 06:21:59,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:21:59,220 INFO L93 Difference]: Finished difference Result 11097 states and 19245 transitions. [2022-01-10 06:21:59,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 06:21:59,220 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 122 [2022-01-10 06:21:59,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:21:59,265 INFO L225 Difference]: With dead ends: 11097 [2022-01-10 06:21:59,265 INFO L226 Difference]: Without dead ends: 7300 [2022-01-10 06:21:59,284 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:21:59,285 INFO L933 BasicCegarLoop]: 593 mSDtfsCounter, 124 mSDsluCounter, 556 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 1149 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 [2022-01-10 06:21:59,286 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [142 Valid, 1149 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:21:59,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7300 states. [2022-01-10 06:21:59,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7300 to 7292. [2022-01-10 06:21:59,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7292 states, 6018 states have (on average 1.65785975407112) internal successors, (9977), 6026 states have internal predecessors, (9977), 1248 states have call successors, (1248), 21 states have call predecessors, (1248), 25 states have return successors, (1365), 1246 states have call predecessors, (1365), 1247 states have call successors, (1365) [2022-01-10 06:21:59,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7292 states to 7292 states and 12590 transitions. [2022-01-10 06:21:59,621 INFO L78 Accepts]: Start accepts. Automaton has 7292 states and 12590 transitions. Word has length 122 [2022-01-10 06:21:59,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:21:59,622 INFO L470 AbstractCegarLoop]: Abstraction has 7292 states and 12590 transitions. [2022-01-10 06:21:59,622 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-01-10 06:21:59,622 INFO L276 IsEmpty]: Start isEmpty. Operand 7292 states and 12590 transitions. [2022-01-10 06:21:59,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-01-10 06:21:59,640 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:21:59,641 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:21:59,650 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2022-01-10 06:21:59,849 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:21:59,850 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:21:59,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:21:59,850 INFO L85 PathProgramCache]: Analyzing trace with hash -1145302338, now seen corresponding path program 1 times [2022-01-10 06:21:59,851 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:21:59,851 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1235873847] [2022-01-10 06:21:59,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:21:59,851 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:21:59,851 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:21:59,852 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:21:59,854 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2022-01-10 06:22:00,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:22:00,097 INFO L263 TraceCheckSpWp]: Trace formula consists of 560 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 06:22:00,100 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:22:00,236 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-01-10 06:22:00,236 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:22:00,236 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:22:00,236 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1235873847] [2022-01-10 06:22:00,236 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1235873847] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:22:00,236 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:22:00,236 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 06:22:00,237 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127040533] [2022-01-10 06:22:00,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:22:00,237 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 06:22:00,237 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:22:00,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 06:22:00,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:22:00,238 INFO L87 Difference]: Start difference. First operand 7292 states and 12590 transitions. Second operand has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-01-10 06:22:00,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:22:00,538 INFO L93 Difference]: Finished difference Result 18432 states and 32018 transitions. [2022-01-10 06:22:00,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 06:22:00,539 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 123 [2022-01-10 06:22:00,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:22:00,582 INFO L225 Difference]: With dead ends: 18432 [2022-01-10 06:22:00,582 INFO L226 Difference]: Without dead ends: 12279 [2022-01-10 06:22:00,600 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:22:00,600 INFO L933 BasicCegarLoop]: 584 mSDtfsCounter, 122 mSDsluCounter, 560 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 1144 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 [2022-01-10 06:22:00,601 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [140 Valid, 1144 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:22:00,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12279 states. [2022-01-10 06:22:01,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12279 to 12271. [2022-01-10 06:22:01,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12271 states, 10175 states have (on average 1.6576904176904177) internal successors, (16867), 10183 states have internal predecessors, (16867), 2070 states have call successors, (2070), 21 states have call predecessors, (2070), 25 states have return successors, (2265), 2068 states have call predecessors, (2265), 2069 states have call successors, (2265) [2022-01-10 06:22:01,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12271 states to 12271 states and 21202 transitions. [2022-01-10 06:22:01,100 INFO L78 Accepts]: Start accepts. Automaton has 12271 states and 21202 transitions. Word has length 123 [2022-01-10 06:22:01,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:22:01,101 INFO L470 AbstractCegarLoop]: Abstraction has 12271 states and 21202 transitions. [2022-01-10 06:22:01,101 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-01-10 06:22:01,101 INFO L276 IsEmpty]: Start isEmpty. Operand 12271 states and 21202 transitions. [2022-01-10 06:22:01,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-01-10 06:22:01,121 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:22:01,122 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:22:01,131 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2022-01-10 06:22:01,331 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:22:01,331 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:22:01,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:22:01,331 INFO L85 PathProgramCache]: Analyzing trace with hash 129858018, now seen corresponding path program 1 times [2022-01-10 06:22:01,333 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:22:01,333 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1369444377] [2022-01-10 06:22:01,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:22:01,333 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:22:01,334 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:22:01,335 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:22:01,335 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2022-01-10 06:22:01,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:22:01,515 INFO L263 TraceCheckSpWp]: Trace formula consists of 562 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 06:22:01,517 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:22:01,656 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-01-10 06:22:01,656 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:22:01,656 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:22:01,656 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1369444377] [2022-01-10 06:22:01,657 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1369444377] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:22:01,657 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:22:01,657 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 06:22:01,657 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075689765] [2022-01-10 06:22:01,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:22:01,657 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 06:22:01,658 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:22:01,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 06:22:01,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:22:01,658 INFO L87 Difference]: Start difference. First operand 12271 states and 21202 transitions. Second operand has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-01-10 06:22:02,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:22:02,192 INFO L93 Difference]: Finished difference Result 29390 states and 50702 transitions. [2022-01-10 06:22:02,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 06:22:02,192 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 124 [2022-01-10 06:22:02,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:22:02,264 INFO L225 Difference]: With dead ends: 29390 [2022-01-10 06:22:02,264 INFO L226 Difference]: Without dead ends: 19232 [2022-01-10 06:22:02,296 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:22:02,296 INFO L933 BasicCegarLoop]: 582 mSDtfsCounter, 120 mSDsluCounter, 532 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 1114 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 [2022-01-10 06:22:02,296 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [138 Valid, 1114 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:22:02,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19232 states. [2022-01-10 06:22:02,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19232 to 19224. [2022-01-10 06:22:03,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19224 states, 15925 states have (on average 1.6332182103610675) internal successors, (26009), 15933 states have internal predecessors, (26009), 3273 states have call successors, (3273), 21 states have call predecessors, (3273), 25 states have return successors, (3612), 3271 states have call predecessors, (3612), 3272 states have call successors, (3612) [2022-01-10 06:22:03,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19224 states to 19224 states and 32894 transitions. [2022-01-10 06:22:03,077 INFO L78 Accepts]: Start accepts. Automaton has 19224 states and 32894 transitions. Word has length 124 [2022-01-10 06:22:03,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:22:03,078 INFO L470 AbstractCegarLoop]: Abstraction has 19224 states and 32894 transitions. [2022-01-10 06:22:03,078 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-01-10 06:22:03,078 INFO L276 IsEmpty]: Start isEmpty. Operand 19224 states and 32894 transitions. [2022-01-10 06:22:03,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2022-01-10 06:22:03,102 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:22:03,102 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:22:03,127 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (18)] Ended with exit code 0 [2022-01-10 06:22:03,314 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:22:03,314 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:22:03,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:22:03,315 INFO L85 PathProgramCache]: Analyzing trace with hash 1279526973, now seen corresponding path program 1 times [2022-01-10 06:22:03,315 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:22:03,315 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [219580451] [2022-01-10 06:22:03,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:22:03,315 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:22:03,315 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:22:03,316 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:22:03,340 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2022-01-10 06:22:03,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:22:03,533 INFO L263 TraceCheckSpWp]: Trace formula consists of 564 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 06:22:03,536 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:22:03,643 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-01-10 06:22:03,643 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:22:03,643 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:22:03,643 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [219580451] [2022-01-10 06:22:03,643 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [219580451] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:22:03,643 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:22:03,643 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 06:22:03,645 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188776680] [2022-01-10 06:22:03,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:22:03,646 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 06:22:03,646 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:22:03,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 06:22:03,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:22:03,646 INFO L87 Difference]: Start difference. First operand 19224 states and 32894 transitions. Second operand has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-01-10 06:22:04,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:22:04,671 INFO L93 Difference]: Finished difference Result 50822 states and 87282 transitions. [2022-01-10 06:22:04,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 06:22:04,672 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 125 [2022-01-10 06:22:04,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:22:04,793 INFO L225 Difference]: With dead ends: 50822 [2022-01-10 06:22:04,794 INFO L226 Difference]: Without dead ends: 34353 [2022-01-10 06:22:04,833 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:22:04,834 INFO L933 BasicCegarLoop]: 583 mSDtfsCounter, 118 mSDsluCounter, 560 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 1143 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 [2022-01-10 06:22:04,834 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [136 Valid, 1143 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:22:04,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34353 states. [2022-01-10 06:22:06,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34353 to 34345. [2022-01-10 06:22:06,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34345 states, 28596 states have (on average 1.6300181843614492) internal successors, (46612), 28604 states have internal predecessors, (46612), 5723 states have call successors, (5723), 21 states have call predecessors, (5723), 25 states have return successors, (6336), 5721 states have call predecessors, (6336), 5722 states have call successors, (6336) [2022-01-10 06:22:06,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34345 states to 34345 states and 58671 transitions. [2022-01-10 06:22:06,297 INFO L78 Accepts]: Start accepts. Automaton has 34345 states and 58671 transitions. Word has length 125 [2022-01-10 06:22:06,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:22:06,297 INFO L470 AbstractCegarLoop]: Abstraction has 34345 states and 58671 transitions. [2022-01-10 06:22:06,297 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-01-10 06:22:06,297 INFO L276 IsEmpty]: Start isEmpty. Operand 34345 states and 58671 transitions. [2022-01-10 06:22:06,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-01-10 06:22:06,320 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:22:06,320 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:22:06,334 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2022-01-10 06:22:06,534 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:22:06,534 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:22:06,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:22:06,535 INFO L85 PathProgramCache]: Analyzing trace with hash 991873128, now seen corresponding path program 1 times [2022-01-10 06:22:06,535 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:22:06,535 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [842040658] [2022-01-10 06:22:06,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:22:06,535 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:22:06,536 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:22:06,537 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:22:06,540 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2022-01-10 06:22:06,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:22:06,729 INFO L263 TraceCheckSpWp]: Trace formula consists of 566 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 06:22:06,731 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:22:06,871 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-01-10 06:22:06,871 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:22:06,871 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:22:06,871 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [842040658] [2022-01-10 06:22:06,871 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [842040658] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:22:06,872 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:22:06,872 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 06:22:06,872 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697468084] [2022-01-10 06:22:06,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:22:06,872 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 06:22:06,872 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:22:06,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 06:22:06,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:22:06,873 INFO L87 Difference]: Start difference. First operand 34345 states and 58671 transitions. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-01-10 06:22:08,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:22:08,747 INFO L93 Difference]: Finished difference Result 93694 states and 160544 transitions. [2022-01-10 06:22:08,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 06:22:08,747 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 126 [2022-01-10 06:22:08,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:22:09,006 INFO L225 Difference]: With dead ends: 93694 [2022-01-10 06:22:09,006 INFO L226 Difference]: Without dead ends: 63020 [2022-01-10 06:22:09,077 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:22:09,078 INFO L933 BasicCegarLoop]: 584 mSDtfsCounter, 116 mSDsluCounter, 560 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 1144 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 [2022-01-10 06:22:09,078 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [134 Valid, 1144 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:22:09,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63020 states. [2022-01-10 06:22:11,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63020 to 63012. [2022-01-10 06:22:11,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63012 states, 52750 states have (on average 1.6258388625592417) internal successors, (85763), 52758 states have internal predecessors, (85763), 10236 states have call successors, (10236), 21 states have call predecessors, (10236), 25 states have return successors, (11381), 10234 states have call predecessors, (11381), 10235 states have call successors, (11381) [2022-01-10 06:22:11,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63012 states to 63012 states and 107380 transitions. [2022-01-10 06:22:11,994 INFO L78 Accepts]: Start accepts. Automaton has 63012 states and 107380 transitions. Word has length 126 [2022-01-10 06:22:11,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:22:11,994 INFO L470 AbstractCegarLoop]: Abstraction has 63012 states and 107380 transitions. [2022-01-10 06:22:11,994 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-01-10 06:22:11,995 INFO L276 IsEmpty]: Start isEmpty. Operand 63012 states and 107380 transitions. [2022-01-10 06:22:12,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-01-10 06:22:12,029 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:22:12,029 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:22:12,040 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (20)] Ended with exit code 0 [2022-01-10 06:22:12,238 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:22:12,239 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:22:12,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:22:12,239 INFO L85 PathProgramCache]: Analyzing trace with hash -1404552387, now seen corresponding path program 1 times [2022-01-10 06:22:12,239 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:22:12,240 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2042388916] [2022-01-10 06:22:12,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:22:12,240 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:22:12,240 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:22:12,241 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:22:12,244 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2022-01-10 06:22:12,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:22:12,428 INFO L263 TraceCheckSpWp]: Trace formula consists of 568 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 06:22:12,430 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:22:12,690 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-01-10 06:22:12,690 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:22:12,690 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:22:12,691 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2042388916] [2022-01-10 06:22:12,691 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2042388916] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:22:12,691 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:22:12,691 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 06:22:12,691 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858556452] [2022-01-10 06:22:12,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:22:12,691 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 06:22:12,691 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:22:12,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 06:22:12,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:22:12,692 INFO L87 Difference]: Start difference. First operand 63012 states and 107380 transitions. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-01-10 06:22:15,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:22:15,437 INFO L93 Difference]: Finished difference Result 118070 states and 201609 transitions. [2022-01-10 06:22:15,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 06:22:15,438 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 127 [2022-01-10 06:22:15,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:22:15,996 INFO L225 Difference]: With dead ends: 118070 [2022-01-10 06:22:15,996 INFO L226 Difference]: Without dead ends: 117893 [2022-01-10 06:22:16,044 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:22:16,044 INFO L933 BasicCegarLoop]: 583 mSDtfsCounter, 114 mSDsluCounter, 560 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 1143 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 [2022-01-10 06:22:16,045 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [132 Valid, 1143 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:22:16,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117893 states. [2022-01-10 06:22:20,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117893 to 117885. [2022-01-10 06:22:20,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117885 states, 99255 states have (on average 1.6206135711047303) internal successors, (160854), 99263 states have internal predecessors, (160854), 18604 states have call successors, (18604), 21 states have call predecessors, (18604), 25 states have return successors, (20795), 18602 states have call predecessors, (20795), 18603 states have call successors, (20795) [2022-01-10 06:22:21,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117885 states to 117885 states and 200253 transitions. [2022-01-10 06:22:21,033 INFO L78 Accepts]: Start accepts. Automaton has 117885 states and 200253 transitions. Word has length 127 [2022-01-10 06:22:21,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:22:21,034 INFO L470 AbstractCegarLoop]: Abstraction has 117885 states and 200253 transitions. [2022-01-10 06:22:21,034 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-01-10 06:22:21,034 INFO L276 IsEmpty]: Start isEmpty. Operand 117885 states and 200253 transitions. [2022-01-10 06:22:21,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-01-10 06:22:21,064 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:22:21,064 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:22:21,077 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (21)] Forceful destruction successful, exit code 0 [2022-01-10 06:22:21,275 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:22:21,276 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:22:21,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:22:21,276 INFO L85 PathProgramCache]: Analyzing trace with hash -1977038231, now seen corresponding path program 1 times [2022-01-10 06:22:21,277 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:22:21,277 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1218293853] [2022-01-10 06:22:21,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:22:21,277 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:22:21,277 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:22:21,278 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:22:21,278 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2022-01-10 06:22:21,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:22:21,464 INFO L263 TraceCheckSpWp]: Trace formula consists of 570 conjuncts, 21 conjunts are in the unsatisfiable core [2022-01-10 06:22:21,467 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:22:21,938 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-01-10 06:22:21,938 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:22:21,938 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:22:21,938 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1218293853] [2022-01-10 06:22:21,938 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1218293853] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:22:21,938 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:22:21,939 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-01-10 06:22:21,939 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449133969] [2022-01-10 06:22:21,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:22:21,939 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-01-10 06:22:21,939 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:22:21,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-01-10 06:22:21,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2022-01-10 06:22:21,940 INFO L87 Difference]: Start difference. First operand 117885 states and 200253 transitions. Second operand has 12 states, 11 states have (on average 8.636363636363637) internal successors, (95), 9 states have internal predecessors, (95), 5 states have call successors, (15), 5 states have call predecessors, (15), 6 states have return successors, (12), 6 states have call predecessors, (12), 5 states have call successors, (12) [2022-01-10 06:22:29,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:22:29,466 INFO L93 Difference]: Finished difference Result 234959 states and 404588 transitions. [2022-01-10 06:22:29,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-10 06:22:29,467 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 8.636363636363637) internal successors, (95), 9 states have internal predecessors, (95), 5 states have call successors, (15), 5 states have call predecessors, (15), 6 states have return successors, (12), 6 states have call predecessors, (12), 5 states have call successors, (12) Word has length 128 [2022-01-10 06:22:29,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:22:30,684 INFO L225 Difference]: With dead ends: 234959 [2022-01-10 06:22:30,684 INFO L226 Difference]: Without dead ends: 234788 [2022-01-10 06:22:30,787 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=105, Invalid=401, Unknown=0, NotChecked=0, Total=506 [2022-01-10 06:22:30,787 INFO L933 BasicCegarLoop]: 805 mSDtfsCounter, 1156 mSDsluCounter, 5245 mSDsCounter, 0 mSdLazyCounter, 1506 mSolverCounterSat, 208 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1164 SdHoareTripleChecker+Valid, 6050 SdHoareTripleChecker+Invalid, 1714 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 208 IncrementalHoareTripleChecker+Valid, 1506 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-01-10 06:22:30,787 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1164 Valid, 6050 Invalid, 1714 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [208 Valid, 1506 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-01-10 06:22:30,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234788 states. [2022-01-10 06:22:40,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234788 to 234742. [2022-01-10 06:22:40,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234742 states, 197708 states have (on average 1.621173650029336) internal successors, (320519), 197616 states have internal predecessors, (320519), 36972 states have call successors, (36972), 54 states have call predecessors, (36972), 61 states have return successors, (44639), 37079 states have call predecessors, (44639), 36969 states have call successors, (44639) [2022-01-10 06:22:41,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234742 states to 234742 states and 402130 transitions. [2022-01-10 06:22:41,394 INFO L78 Accepts]: Start accepts. Automaton has 234742 states and 402130 transitions. Word has length 128 [2022-01-10 06:22:41,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:22:41,394 INFO L470 AbstractCegarLoop]: Abstraction has 234742 states and 402130 transitions. [2022-01-10 06:22:41,394 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.636363636363637) internal successors, (95), 9 states have internal predecessors, (95), 5 states have call successors, (15), 5 states have call predecessors, (15), 6 states have return successors, (12), 6 states have call predecessors, (12), 5 states have call successors, (12) [2022-01-10 06:22:41,394 INFO L276 IsEmpty]: Start isEmpty. Operand 234742 states and 402130 transitions. [2022-01-10 06:22:41,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-01-10 06:22:41,458 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:22:41,458 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:22:41,467 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (22)] Forceful destruction successful, exit code 0 [2022-01-10 06:22:41,658 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:22:41,659 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:22:41,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:22:41,659 INFO L85 PathProgramCache]: Analyzing trace with hash -597460950, now seen corresponding path program 1 times [2022-01-10 06:22:41,659 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:22:41,659 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2032210245] [2022-01-10 06:22:41,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:22:41,660 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:22:41,660 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:22:41,661 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:22:41,669 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2022-01-10 06:22:41,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:22:41,858 INFO L263 TraceCheckSpWp]: Trace formula consists of 571 conjuncts, 10 conjunts are in the unsatisfiable core [2022-01-10 06:22:42,107 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:22:42,311 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-01-10 06:22:42,311 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:22:42,311 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:22:42,311 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2032210245] [2022-01-10 06:22:42,311 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2032210245] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:22:42,311 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:22:42,312 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-10 06:22:42,312 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275541136] [2022-01-10 06:22:42,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:22:42,312 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-10 06:22:42,312 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:22:42,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-10 06:22:42,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-01-10 06:22:42,313 INFO L87 Difference]: Start difference. First operand 234742 states and 402130 transitions. Second operand has 10 states, 10 states have (on average 9.2) internal successors, (92), 7 states have internal predecessors, (92), 5 states have call successors, (15), 6 states have call predecessors, (15), 3 states have return successors, (12), 5 states have call predecessors, (12), 5 states have call successors, (12)