./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/email_spec7_productSimulator.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ff03de63 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/email_spec7_productSimulator.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1d8908adfa5a1758f016a2fa64af2c05db2b3cc5d1fb9ac5b8aa70e5689b8434 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 13:10:51,353 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 13:10:51,364 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 13:10:51,415 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 13:10:51,415 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 13:10:51,419 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 13:10:51,421 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 13:10:51,427 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 13:10:51,429 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 13:10:51,431 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 13:10:51,432 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 13:10:51,433 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 13:10:51,433 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 13:10:51,439 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 13:10:51,440 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 13:10:51,441 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 13:10:51,445 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 13:10:51,446 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 13:10:51,447 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 13:10:51,449 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 13:10:51,453 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 13:10:51,454 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 13:10:51,455 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 13:10:51,456 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 13:10:51,458 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 13:10:51,460 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 13:10:51,460 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 13:10:51,461 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 13:10:51,462 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 13:10:51,462 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 13:10:51,463 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 13:10:51,464 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 13:10:51,465 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 13:10:51,466 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 13:10:51,467 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 13:10:51,467 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 13:10:51,468 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 13:10:51,468 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 13:10:51,469 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 13:10:51,469 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 13:10:51,470 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 13:10:51,471 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-21 13:10:51,502 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 13:10:51,503 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 13:10:51,503 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 13:10:51,504 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 13:10:51,504 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 13:10:51,505 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 13:10:51,505 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 13:10:51,505 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 13:10:51,505 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 13:10:51,506 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 13:10:51,507 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-21 13:10:51,507 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 13:10:51,507 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-21 13:10:51,507 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 13:10:51,507 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 13:10:51,507 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 13:10:51,508 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 13:10:51,508 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-21 13:10:51,508 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 13:10:51,508 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 13:10:51,508 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 13:10:51,508 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 13:10:51,509 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 13:10:51,509 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 13:10:51,509 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 13:10:51,509 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 13:10:51,509 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 13:10:51,510 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 13:10:51,510 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 13:10:51,510 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-21 13:10:51,510 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 13:10:51,510 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 13:10:51,511 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 13:10:51,511 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 13:10:51,511 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1d8908adfa5a1758f016a2fa64af2c05db2b3cc5d1fb9ac5b8aa70e5689b8434 [2021-12-21 13:10:51,771 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 13:10:51,798 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 13:10:51,801 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 13:10:51,801 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 13:10:51,802 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 13:10:51,803 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec7_productSimulator.cil.c [2021-12-21 13:10:51,873 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92bbd7ddf/2a7fc206512f4f8b981f2e0be87a442a/FLAG7e7d695d2 [2021-12-21 13:10:52,405 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 13:10:52,406 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec7_productSimulator.cil.c [2021-12-21 13:10:52,427 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92bbd7ddf/2a7fc206512f4f8b981f2e0be87a442a/FLAG7e7d695d2 [2021-12-21 13:10:52,882 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92bbd7ddf/2a7fc206512f4f8b981f2e0be87a442a [2021-12-21 13:10:52,885 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 13:10:52,886 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 13:10:52,889 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 13:10:52,889 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 13:10:52,893 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 13:10:52,894 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 01:10:52" (1/1) ... [2021-12-21 13:10:52,895 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@344a231f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:10:52, skipping insertion in model container [2021-12-21 13:10:52,895 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 01:10:52" (1/1) ... [2021-12-21 13:10:52,901 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 13:10:52,949 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 13:10:53,433 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec7_productSimulator.cil.c[72622,72635] [2021-12-21 13:10:53,437 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 13:10:53,449 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 13:10:53,552 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec7_productSimulator.cil.c[72622,72635] [2021-12-21 13:10:53,553 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 13:10:53,584 INFO L208 MainTranslator]: Completed translation [2021-12-21 13:10:53,584 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:10:53 WrapperNode [2021-12-21 13:10:53,584 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 13:10:53,585 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 13:10:53,586 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 13:10:53,586 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 13:10:53,592 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:10:53" (1/1) ... [2021-12-21 13:10:53,615 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:10:53" (1/1) ... [2021-12-21 13:10:53,659 INFO L137 Inliner]: procedures = 151, calls = 280, calls flagged for inlining = 67, calls inlined = 64, statements flattened = 1299 [2021-12-21 13:10:53,660 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 13:10:53,660 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 13:10:53,660 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 13:10:53,661 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 13:10:53,670 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:10:53" (1/1) ... [2021-12-21 13:10:53,670 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:10:53" (1/1) ... [2021-12-21 13:10:53,676 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:10:53" (1/1) ... [2021-12-21 13:10:53,676 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:10:53" (1/1) ... [2021-12-21 13:10:53,694 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:10:53" (1/1) ... [2021-12-21 13:10:53,703 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:10:53" (1/1) ... [2021-12-21 13:10:53,708 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:10:53" (1/1) ... [2021-12-21 13:10:53,717 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 13:10:53,718 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 13:10:53,718 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 13:10:53,718 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 13:10:53,719 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:10:53" (1/1) ... [2021-12-21 13:10:53,725 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 13:10:53,735 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 13:10:53,754 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) [2021-12-21 13:10:53,796 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 [2021-12-21 13:10:53,818 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2021-12-21 13:10:53,818 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2021-12-21 13:10:53,818 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__before__Keys [2021-12-21 13:10:53,819 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__before__Keys [2021-12-21 13:10:53,819 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Sign [2021-12-21 13:10:53,819 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Sign [2021-12-21 13:10:53,819 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2021-12-21 13:10:53,820 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2021-12-21 13:10:53,821 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2021-12-21 13:10:53,821 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2021-12-21 13:10:53,821 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2021-12-21 13:10:53,821 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2021-12-21 13:10:53,821 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2021-12-21 13:10:53,821 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2021-12-21 13:10:53,821 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Verify [2021-12-21 13:10:53,822 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Verify [2021-12-21 13:10:53,822 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2021-12-21 13:10:53,822 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2021-12-21 13:10:53,822 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__before__Keys [2021-12-21 13:10:53,822 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__before__Keys [2021-12-21 13:10:53,822 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2021-12-21 13:10:53,822 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2021-12-21 13:10:53,823 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2021-12-21 13:10:53,823 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2021-12-21 13:10:53,823 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2021-12-21 13:10:53,823 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2021-12-21 13:10:53,823 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Decrypt [2021-12-21 13:10:53,823 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Decrypt [2021-12-21 13:10:53,823 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Encrypt [2021-12-21 13:10:53,824 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Encrypt [2021-12-21 13:10:53,824 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2021-12-21 13:10:53,824 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2021-12-21 13:10:53,824 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2021-12-21 13:10:53,824 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2021-12-21 13:10:53,825 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2021-12-21 13:10:53,825 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2021-12-21 13:10:53,825 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-12-21 13:10:53,825 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Forward [2021-12-21 13:10:53,825 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Forward [2021-12-21 13:10:53,825 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2021-12-21 13:10:53,825 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2021-12-21 13:10:53,826 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2021-12-21 13:10:53,826 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2021-12-21 13:10:53,826 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2021-12-21 13:10:53,826 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2021-12-21 13:10:53,826 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__before__Encrypt [2021-12-21 13:10:53,826 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__before__Encrypt [2021-12-21 13:10:53,826 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 13:10:53,827 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2021-12-21 13:10:53,827 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2021-12-21 13:10:53,827 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2021-12-21 13:10:53,828 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2021-12-21 13:10:53,828 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__AddressBook [2021-12-21 13:10:53,828 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__AddressBook [2021-12-21 13:10:53,829 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Encrypt [2021-12-21 13:10:53,829 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Encrypt [2021-12-21 13:10:53,829 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__AutoResponder [2021-12-21 13:10:53,830 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__AutoResponder [2021-12-21 13:10:53,830 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2021-12-21 13:10:53,830 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2021-12-21 13:10:53,830 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2021-12-21 13:10:53,831 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2021-12-21 13:10:53,831 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2021-12-21 13:10:53,831 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2021-12-21 13:10:53,831 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2021-12-21 13:10:53,831 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2021-12-21 13:10:53,832 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2021-12-21 13:10:53,832 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2021-12-21 13:10:53,832 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2021-12-21 13:10:53,832 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2021-12-21 13:10:53,832 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2021-12-21 13:10:53,832 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2021-12-21 13:10:53,833 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__before__Keys [2021-12-21 13:10:53,833 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__before__Keys [2021-12-21 13:10:53,833 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Verify [2021-12-21 13:10:53,833 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Verify [2021-12-21 13:10:53,833 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2021-12-21 13:10:53,834 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2021-12-21 13:10:53,834 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2021-12-21 13:10:53,834 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2021-12-21 13:10:53,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-21 13:10:53,834 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2021-12-21 13:10:53,834 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2021-12-21 13:10:53,834 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Sign [2021-12-21 13:10:53,835 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Sign [2021-12-21 13:10:53,835 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2021-12-21 13:10:53,835 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2021-12-21 13:10:53,835 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2021-12-21 13:10:53,835 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2021-12-21 13:10:53,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 13:10:53,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 13:10:54,104 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 13:10:54,106 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 13:10:54,757 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 13:10:54,767 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 13:10:54,768 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-21 13:10:54,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 01:10:54 BoogieIcfgContainer [2021-12-21 13:10:54,770 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 13:10:54,772 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-21 13:10:54,772 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-21 13:10:54,774 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-21 13:10:54,775 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 01:10:52" (1/3) ... [2021-12-21 13:10:54,775 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e273c67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 01:10:54, skipping insertion in model container [2021-12-21 13:10:54,775 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:10:53" (2/3) ... [2021-12-21 13:10:54,776 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e273c67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 01:10:54, skipping insertion in model container [2021-12-21 13:10:54,776 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 01:10:54" (3/3) ... [2021-12-21 13:10:54,777 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec7_productSimulator.cil.c [2021-12-21 13:10:54,781 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-21 13:10:54,781 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-21 13:10:54,824 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-21 13:10:54,831 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 [2021-12-21 13:10:54,831 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-21 13:10:54,872 INFO L276 IsEmpty]: Start isEmpty. Operand has 600 states, 446 states have (on average 1.515695067264574) internal successors, (676), 466 states have internal predecessors, (676), 109 states have call successors, (109), 43 states have call predecessors, (109), 43 states have return successors, (109), 108 states have call predecessors, (109), 109 states have call successors, (109) [2021-12-21 13:10:54,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2021-12-21 13:10:54,902 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:10:54,903 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 13:10:54,903 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting incoming__before__DecryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [incoming__before__DecryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:10:54,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:10:54,908 INFO L85 PathProgramCache]: Analyzing trace with hash -78162442, now seen corresponding path program 1 times [2021-12-21 13:10:54,915 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:10:54,915 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085684990] [2021-12-21 13:10:54,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:10:54,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:10:55,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:10:55,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:10:55,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:10:55,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-21 13:10:55,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:10:55,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-21 13:10:55,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:10:55,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 13:10:55,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:10:55,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 13:10:55,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:10:55,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-21 13:10:55,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:10:55,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 13:10:55,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:10:55,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-21 13:10:55,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:10:55,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-21 13:10:55,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:10:55,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 13:10:55,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:10:55,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-21 13:10:55,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:10:55,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 13:10:55,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:10:55,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-21 13:10:55,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:10:55,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 13:10:55,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:10:55,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-12-21 13:10:55,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:10:55,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-21 13:10:55,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:10:55,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-12-21 13:10:55,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:10:55,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-12-21 13:10:55,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:10:55,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-21 13:10:55,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:10:55,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 13:10:55,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:10:55,458 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-12-21 13:10:55,459 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:10:55,459 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085684990] [2021-12-21 13:10:55,460 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1085684990] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:10:55,460 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 13:10:55,460 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-21 13:10:55,461 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730341674] [2021-12-21 13:10:55,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:10:55,469 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-21 13:10:55,470 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:10:55,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-21 13:10:55,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-21 13:10:55,498 INFO L87 Difference]: Start difference. First operand has 600 states, 446 states have (on average 1.515695067264574) internal successors, (676), 466 states have internal predecessors, (676), 109 states have call successors, (109), 43 states have call predecessors, (109), 43 states have return successors, (109), 108 states have call predecessors, (109), 109 states have call successors, (109) Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 2 states have internal predecessors, (72), 2 states have call successors, (26), 5 states have call predecessors, (26), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-21 13:10:56,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:10:56,684 INFO L93 Difference]: Finished difference Result 1063 states and 1608 transitions. [2021-12-21 13:10:56,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-21 13:10:56,689 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 2 states have internal predecessors, (72), 2 states have call successors, (26), 5 states have call predecessors, (26), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 141 [2021-12-21 13:10:56,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:10:56,712 INFO L225 Difference]: With dead ends: 1063 [2021-12-21 13:10:56,712 INFO L226 Difference]: Without dead ends: 725 [2021-12-21 13:10:56,719 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-21 13:10:56,723 INFO L933 BasicCegarLoop]: 905 mSDtfsCounter, 1346 mSDsluCounter, 724 mSDsCounter, 0 mSdLazyCounter, 469 mSolverCounterSat, 639 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1354 SdHoareTripleChecker+Valid, 1629 SdHoareTripleChecker+Invalid, 1108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 639 IncrementalHoareTripleChecker+Valid, 469 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-12-21 13:10:56,724 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1354 Valid, 1629 Invalid, 1108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [639 Valid, 469 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-12-21 13:10:56,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 725 states. [2021-12-21 13:10:56,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 725 to 593. [2021-12-21 13:10:56,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 593 states, 440 states have (on average 1.5113636363636365) internal successors, (665), 459 states have internal predecessors, (665), 109 states have call successors, (109), 43 states have call predecessors, (109), 43 states have return successors, (108), 107 states have call predecessors, (108), 108 states have call successors, (108) [2021-12-21 13:10:56,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 593 states and 882 transitions. [2021-12-21 13:10:56,857 INFO L78 Accepts]: Start accepts. Automaton has 593 states and 882 transitions. Word has length 141 [2021-12-21 13:10:56,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:10:56,858 INFO L470 AbstractCegarLoop]: Abstraction has 593 states and 882 transitions. [2021-12-21 13:10:56,858 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 2 states have internal predecessors, (72), 2 states have call successors, (26), 5 states have call predecessors, (26), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-21 13:10:56,858 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 882 transitions. [2021-12-21 13:10:56,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2021-12-21 13:10:56,871 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:10:56,871 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 13:10:56,872 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-21 13:10:56,872 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting incoming__before__DecryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [incoming__before__DecryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:10:56,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:10:56,873 INFO L85 PathProgramCache]: Analyzing trace with hash 646723229, now seen corresponding path program 1 times [2021-12-21 13:10:56,873 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:10:56,873 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525600851] [2021-12-21 13:10:56,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:10:56,874 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:10:56,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:10:57,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:10:57,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:10:57,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-21 13:10:57,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:10:57,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-21 13:10:57,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:10:57,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 13:10:57,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:10:57,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 13:10:57,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:10:57,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-21 13:10:57,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:10:57,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 13:10:57,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:10:57,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-21 13:10:57,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:10:57,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-21 13:10:57,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:10:57,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 13:10:57,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:10:57,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-21 13:10:57,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:10:57,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 13:10:57,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:10:57,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-21 13:10:57,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:10:57,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 13:10:57,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:10:57,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-21 13:10:57,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:10:57,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-21 13:10:57,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:10:57,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-21 13:10:57,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:10:57,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-12-21 13:10:57,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:10:57,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-21 13:10:57,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:10:57,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-12-21 13:10:57,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:10:57,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 13:10:57,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:10:57,127 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-12-21 13:10:57,127 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:10:57,128 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [525600851] [2021-12-21 13:10:57,129 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [525600851] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:10:57,129 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 13:10:57,129 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-21 13:10:57,129 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469704001] [2021-12-21 13:10:57,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:10:57,131 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-21 13:10:57,131 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:10:57,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-21 13:10:57,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-12-21 13:10:57,132 INFO L87 Difference]: Start difference. First operand 593 states and 882 transitions. Second operand has 8 states, 8 states have (on average 9.75) internal successors, (78), 5 states have internal predecessors, (78), 2 states have call successors, (27), 5 states have call predecessors, (27), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-12-21 13:10:59,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:10:59,027 INFO L93 Difference]: Finished difference Result 1282 states and 1935 transitions. [2021-12-21 13:10:59,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-21 13:10:59,027 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 5 states have internal predecessors, (78), 2 states have call successors, (27), 5 states have call predecessors, (27), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 149 [2021-12-21 13:10:59,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:10:59,033 INFO L225 Difference]: With dead ends: 1282 [2021-12-21 13:10:59,033 INFO L226 Difference]: Without dead ends: 725 [2021-12-21 13:10:59,036 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2021-12-21 13:10:59,037 INFO L933 BasicCegarLoop]: 885 mSDtfsCounter, 1355 mSDsluCounter, 1898 mSDsCounter, 0 mSdLazyCounter, 2394 mSolverCounterSat, 640 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1362 SdHoareTripleChecker+Valid, 2783 SdHoareTripleChecker+Invalid, 3034 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 640 IncrementalHoareTripleChecker+Valid, 2394 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-12-21 13:10:59,037 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1362 Valid, 2783 Invalid, 3034 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [640 Valid, 2394 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-12-21 13:10:59,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 725 states. [2021-12-21 13:10:59,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 725 to 593. [2021-12-21 13:10:59,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 593 states, 440 states have (on average 1.4954545454545454) internal successors, (658), 459 states have internal predecessors, (658), 109 states have call successors, (109), 43 states have call predecessors, (109), 43 states have return successors, (108), 107 states have call predecessors, (108), 108 states have call successors, (108) [2021-12-21 13:10:59,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 593 states and 875 transitions. [2021-12-21 13:10:59,071 INFO L78 Accepts]: Start accepts. Automaton has 593 states and 875 transitions. Word has length 149 [2021-12-21 13:10:59,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:10:59,071 INFO L470 AbstractCegarLoop]: Abstraction has 593 states and 875 transitions. [2021-12-21 13:10:59,071 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 5 states have internal predecessors, (78), 2 states have call successors, (27), 5 states have call predecessors, (27), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-12-21 13:10:59,072 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 875 transitions. [2021-12-21 13:10:59,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2021-12-21 13:10:59,075 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:10:59,075 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 13:10:59,075 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-21 13:10:59,076 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting incoming__before__DecryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [incoming__before__DecryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:10:59,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:10:59,076 INFO L85 PathProgramCache]: Analyzing trace with hash 2113763488, now seen corresponding path program 1 times [2021-12-21 13:10:59,076 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:10:59,076 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041444731] [2021-12-21 13:10:59,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:10:59,077 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:10:59,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:10:59,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:10:59,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:10:59,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-21 13:10:59,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:10:59,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-21 13:10:59,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:10:59,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 13:10:59,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:10:59,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 13:10:59,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:10:59,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-21 13:10:59,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:10:59,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 13:10:59,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:10:59,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-21 13:10:59,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:10:59,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-21 13:10:59,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:10:59,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 13:10:59,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:10:59,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-21 13:10:59,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:10:59,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 13:10:59,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:10:59,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-21 13:10:59,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:10:59,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 13:10:59,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:10:59,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-21 13:10:59,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:10:59,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-21 13:10:59,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:10:59,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-12-21 13:10:59,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:10:59,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-21 13:10:59,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:10:59,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-12-21 13:10:59,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:10:59,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-12-21 13:10:59,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:10:59,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 13:10:59,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:10:59,224 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-12-21 13:10:59,225 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:10:59,225 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1041444731] [2021-12-21 13:10:59,225 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1041444731] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:10:59,225 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 13:10:59,225 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-21 13:10:59,226 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680136898] [2021-12-21 13:10:59,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:10:59,226 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 13:10:59,226 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:10:59,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 13:10:59,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-21 13:10:59,227 INFO L87 Difference]: Start difference. First operand 593 states and 875 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (27), 5 states have call predecessors, (27), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2021-12-21 13:11:00,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:11:00,224 INFO L93 Difference]: Finished difference Result 1285 states and 1949 transitions. [2021-12-21 13:11:00,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-21 13:11:00,224 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (27), 5 states have call predecessors, (27), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 154 [2021-12-21 13:11:00,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:11:00,229 INFO L225 Difference]: With dead ends: 1285 [2021-12-21 13:11:00,229 INFO L226 Difference]: Without dead ends: 725 [2021-12-21 13:11:00,231 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-12-21 13:11:00,232 INFO L933 BasicCegarLoop]: 874 mSDtfsCounter, 2068 mSDsluCounter, 693 mSDsCounter, 0 mSdLazyCounter, 478 mSolverCounterSat, 837 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2096 SdHoareTripleChecker+Valid, 1567 SdHoareTripleChecker+Invalid, 1315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 837 IncrementalHoareTripleChecker+Valid, 478 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-12-21 13:11:00,232 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2096 Valid, 1567 Invalid, 1315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [837 Valid, 478 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-12-21 13:11:00,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 725 states. [2021-12-21 13:11:00,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 725 to 594. [2021-12-21 13:11:00,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 594 states, 442 states have (on average 1.4864253393665159) internal successors, (657), 459 states have internal predecessors, (657), 107 states have call successors, (107), 44 states have call predecessors, (107), 44 states have return successors, (106), 105 states have call predecessors, (106), 106 states have call successors, (106) [2021-12-21 13:11:00,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 594 states and 870 transitions. [2021-12-21 13:11:00,260 INFO L78 Accepts]: Start accepts. Automaton has 594 states and 870 transitions. Word has length 154 [2021-12-21 13:11:00,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:11:00,261 INFO L470 AbstractCegarLoop]: Abstraction has 594 states and 870 transitions. [2021-12-21 13:11:00,261 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (27), 5 states have call predecessors, (27), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2021-12-21 13:11:00,261 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 870 transitions. [2021-12-21 13:11:00,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2021-12-21 13:11:00,264 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:11:00,264 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 13:11:00,264 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-21 13:11:00,264 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting incoming__before__DecryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [incoming__before__DecryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:11:00,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:11:00,265 INFO L85 PathProgramCache]: Analyzing trace with hash 1869063655, now seen corresponding path program 1 times [2021-12-21 13:11:00,265 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:11:00,265 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807126840] [2021-12-21 13:11:00,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:11:00,266 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:11:00,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:00,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:11:00,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:00,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-21 13:11:00,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:00,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-21 13:11:00,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:00,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 13:11:00,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:00,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 13:11:00,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:00,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-21 13:11:00,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:00,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 13:11:00,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:00,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-21 13:11:00,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:00,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-21 13:11:00,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:00,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 13:11:00,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:00,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-21 13:11:00,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:00,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 13:11:00,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:00,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-21 13:11:00,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:00,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 13:11:00,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:00,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-21 13:11:00,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:00,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-21 13:11:00,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:00,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-12-21 13:11:00,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:00,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-12-21 13:11:00,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:00,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-21 13:11:00,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:00,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-12-21 13:11:00,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:00,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 13:11:00,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:00,380 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-12-21 13:11:00,380 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:11:00,380 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807126840] [2021-12-21 13:11:00,380 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [807126840] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:11:00,380 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 13:11:00,381 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-21 13:11:00,381 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136430860] [2021-12-21 13:11:00,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:11:00,381 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 13:11:00,382 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:11:00,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 13:11:00,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-21 13:11:00,382 INFO L87 Difference]: Start difference. First operand 594 states and 870 transitions. Second operand has 6 states, 6 states have (on average 14.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (27), 5 states have call predecessors, (27), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-12-21 13:11:02,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:11:02,844 INFO L93 Difference]: Finished difference Result 1956 states and 3033 transitions. [2021-12-21 13:11:02,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-21 13:11:02,844 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (27), 5 states have call predecessors, (27), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 155 [2021-12-21 13:11:02,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:11:02,852 INFO L225 Difference]: With dead ends: 1956 [2021-12-21 13:11:02,852 INFO L226 Difference]: Without dead ends: 1396 [2021-12-21 13:11:02,855 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2021-12-21 13:11:02,856 INFO L933 BasicCegarLoop]: 929 mSDtfsCounter, 3258 mSDsluCounter, 1059 mSDsCounter, 0 mSdLazyCounter, 1525 mSolverCounterSat, 1410 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3301 SdHoareTripleChecker+Valid, 1988 SdHoareTripleChecker+Invalid, 2935 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1410 IncrementalHoareTripleChecker+Valid, 1525 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-12-21 13:11:02,856 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3301 Valid, 1988 Invalid, 2935 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1410 Valid, 1525 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-12-21 13:11:02,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1396 states. [2021-12-21 13:11:02,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1396 to 1132. [2021-12-21 13:11:02,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1132 states, 845 states have (on average 1.493491124260355) internal successors, (1262), 875 states have internal predecessors, (1262), 199 states have call successors, (199), 87 states have call predecessors, (199), 87 states have return successors, (210), 196 states have call predecessors, (210), 197 states have call successors, (210) [2021-12-21 13:11:02,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1132 states to 1132 states and 1671 transitions. [2021-12-21 13:11:02,915 INFO L78 Accepts]: Start accepts. Automaton has 1132 states and 1671 transitions. Word has length 155 [2021-12-21 13:11:02,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:11:02,915 INFO L470 AbstractCegarLoop]: Abstraction has 1132 states and 1671 transitions. [2021-12-21 13:11:02,915 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (27), 5 states have call predecessors, (27), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-12-21 13:11:02,915 INFO L276 IsEmpty]: Start isEmpty. Operand 1132 states and 1671 transitions. [2021-12-21 13:11:02,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2021-12-21 13:11:02,919 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:11:02,919 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 13:11:02,919 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-21 13:11:02,920 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting incoming__before__DecryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [incoming__before__DecryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:11:02,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:11:02,920 INFO L85 PathProgramCache]: Analyzing trace with hash -903273516, now seen corresponding path program 1 times [2021-12-21 13:11:02,920 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:11:02,920 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641225271] [2021-12-21 13:11:02,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:11:02,921 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:11:02,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:02,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:11:02,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:02,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-21 13:11:02,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:02,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-21 13:11:02,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:02,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 13:11:02,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:02,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 13:11:02,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:02,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-21 13:11:02,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:02,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 13:11:02,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:02,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-21 13:11:02,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:02,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-21 13:11:02,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:02,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 13:11:02,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:02,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-21 13:11:02,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:02,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 13:11:02,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:03,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-21 13:11:03,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:03,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 13:11:03,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:03,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-21 13:11:03,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:03,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-21 13:11:03,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:03,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2021-12-21 13:11:03,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:03,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-21 13:11:03,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:03,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-12-21 13:11:03,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:03,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 13:11:03,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:03,036 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-12-21 13:11:03,036 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:11:03,036 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641225271] [2021-12-21 13:11:03,036 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [641225271] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:11:03,036 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 13:11:03,036 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-21 13:11:03,037 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207181840] [2021-12-21 13:11:03,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:11:03,037 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 13:11:03,037 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:11:03,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 13:11:03,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-21 13:11:03,038 INFO L87 Difference]: Start difference. First operand 1132 states and 1671 transitions. Second operand has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (26), 5 states have call predecessors, (26), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-21 13:11:04,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:11:04,044 INFO L93 Difference]: Finished difference Result 1265 states and 1902 transitions. [2021-12-21 13:11:04,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-21 13:11:04,045 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (26), 5 states have call predecessors, (26), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 149 [2021-12-21 13:11:04,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:11:04,050 INFO L225 Difference]: With dead ends: 1265 [2021-12-21 13:11:04,050 INFO L226 Difference]: Without dead ends: 726 [2021-12-21 13:11:04,052 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-12-21 13:11:04,057 INFO L933 BasicCegarLoop]: 877 mSDtfsCounter, 2021 mSDsluCounter, 702 mSDsCounter, 0 mSdLazyCounter, 476 mSolverCounterSat, 807 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2048 SdHoareTripleChecker+Valid, 1579 SdHoareTripleChecker+Invalid, 1283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 807 IncrementalHoareTripleChecker+Valid, 476 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-12-21 13:11:04,058 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2048 Valid, 1579 Invalid, 1283 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [807 Valid, 476 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-12-21 13:11:04,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 726 states. [2021-12-21 13:11:04,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 726 to 595. [2021-12-21 13:11:04,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 595 states, 444 states have (on average 1.4752252252252251) internal successors, (655), 459 states have internal predecessors, (655), 105 states have call successors, (105), 45 states have call predecessors, (105), 45 states have return successors, (104), 103 states have call predecessors, (104), 104 states have call successors, (104) [2021-12-21 13:11:04,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 595 states and 864 transitions. [2021-12-21 13:11:04,087 INFO L78 Accepts]: Start accepts. Automaton has 595 states and 864 transitions. Word has length 149 [2021-12-21 13:11:04,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:11:04,087 INFO L470 AbstractCegarLoop]: Abstraction has 595 states and 864 transitions. [2021-12-21 13:11:04,087 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (26), 5 states have call predecessors, (26), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-21 13:11:04,087 INFO L276 IsEmpty]: Start isEmpty. Operand 595 states and 864 transitions. [2021-12-21 13:11:04,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2021-12-21 13:11:04,091 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:11:04,091 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 13:11:04,091 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-21 13:11:04,091 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting incoming__before__DecryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [incoming__before__DecryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:11:04,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:11:04,092 INFO L85 PathProgramCache]: Analyzing trace with hash 1342249904, now seen corresponding path program 1 times [2021-12-21 13:11:04,092 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:11:04,092 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102862893] [2021-12-21 13:11:04,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:11:04,092 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:11:04,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:04,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:11:04,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:04,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-21 13:11:04,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:04,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-21 13:11:04,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:04,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 13:11:04,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:04,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 13:11:04,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:04,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-21 13:11:04,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:04,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 13:11:04,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:04,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-21 13:11:04,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:04,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 13:11:04,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:04,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 13:11:04,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:04,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-21 13:11:04,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:04,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 13:11:04,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:04,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-21 13:11:04,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:04,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 13:11:04,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:04,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-21 13:11:04,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:04,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-12-21 13:11:04,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:04,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-21 13:11:04,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:04,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-12-21 13:11:04,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:04,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-21 13:11:04,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:04,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-12-21 13:11:04,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:04,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-12-21 13:11:04,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:04,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 13:11:04,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:04,249 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2021-12-21 13:11:04,249 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:11:04,249 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102862893] [2021-12-21 13:11:04,249 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1102862893] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:11:04,250 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 13:11:04,250 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-21 13:11:04,250 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198986746] [2021-12-21 13:11:04,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:11:04,250 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 13:11:04,251 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:11:04,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 13:11:04,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-21 13:11:04,251 INFO L87 Difference]: Start difference. First operand 595 states and 864 transitions. Second operand has 6 states, 6 states have (on average 14.833333333333334) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (28), 5 states have call predecessors, (28), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-12-21 13:11:05,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:11:05,236 INFO L93 Difference]: Finished difference Result 1275 states and 1885 transitions. [2021-12-21 13:11:05,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-21 13:11:05,237 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.833333333333334) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (28), 5 states have call predecessors, (28), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 165 [2021-12-21 13:11:05,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:11:05,241 INFO L225 Difference]: With dead ends: 1275 [2021-12-21 13:11:05,241 INFO L226 Difference]: Without dead ends: 729 [2021-12-21 13:11:05,243 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-12-21 13:11:05,244 INFO L933 BasicCegarLoop]: 853 mSDtfsCounter, 2005 mSDsluCounter, 656 mSDsCounter, 0 mSdLazyCounter, 492 mSolverCounterSat, 815 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2030 SdHoareTripleChecker+Valid, 1509 SdHoareTripleChecker+Invalid, 1307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 815 IncrementalHoareTripleChecker+Valid, 492 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-12-21 13:11:05,244 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2030 Valid, 1509 Invalid, 1307 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [815 Valid, 492 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-12-21 13:11:05,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 729 states. [2021-12-21 13:11:05,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 729 to 592. [2021-12-21 13:11:05,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 592 states, 444 states have (on average 1.4504504504504505) internal successors, (644), 454 states have internal predecessors, (644), 102 states have call successors, (102), 45 states have call predecessors, (102), 45 states have return successors, (101), 100 states have call predecessors, (101), 101 states have call successors, (101) [2021-12-21 13:11:05,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 847 transitions. [2021-12-21 13:11:05,273 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 847 transitions. Word has length 165 [2021-12-21 13:11:05,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:11:05,274 INFO L470 AbstractCegarLoop]: Abstraction has 592 states and 847 transitions. [2021-12-21 13:11:05,274 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.833333333333334) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (28), 5 states have call predecessors, (28), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-12-21 13:11:05,274 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 847 transitions. [2021-12-21 13:11:05,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2021-12-21 13:11:05,277 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:11:05,277 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 13:11:05,277 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-21 13:11:05,277 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting incoming__before__DecryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [incoming__before__DecryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:11:05,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:11:05,278 INFO L85 PathProgramCache]: Analyzing trace with hash 1875311965, now seen corresponding path program 1 times [2021-12-21 13:11:05,278 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:11:05,278 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901295911] [2021-12-21 13:11:05,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:11:05,278 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:11:05,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:05,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:11:05,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:05,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-21 13:11:05,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:05,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-21 13:11:05,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:05,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 13:11:05,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:05,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 13:11:05,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:05,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-21 13:11:05,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:05,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 13:11:05,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:05,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-21 13:11:05,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:05,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 13:11:05,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:05,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 13:11:05,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:05,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-21 13:11:05,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:05,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-12-21 13:11:05,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:05,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 13:11:05,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:05,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-21 13:11:05,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:05,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-21 13:11:05,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:05,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 13:11:05,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:05,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-12-21 13:11:05,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:05,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-21 13:11:05,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:05,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-12-21 13:11:05,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:05,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-12-21 13:11:05,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:05,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-21 13:11:05,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:05,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-21 13:11:05,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:05,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-12-21 13:11:05,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:05,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 13:11:05,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:05,485 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2021-12-21 13:11:05,485 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:11:05,485 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901295911] [2021-12-21 13:11:05,485 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1901295911] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 13:11:05,486 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [454437781] [2021-12-21 13:11:05,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:11:05,486 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 13:11:05,486 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 13:11:05,491 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-21 13:11:05,511 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-21 13:11:05,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:05,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 1487 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-21 13:11:05,864 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 13:11:06,203 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-12-21 13:11:06,204 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-21 13:11:06,204 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [454437781] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:11:06,204 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-21 13:11:06,204 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [12] total 13 [2021-12-21 13:11:06,204 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353441459] [2021-12-21 13:11:06,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:11:06,205 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 13:11:06,205 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:11:06,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 13:11:06,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2021-12-21 13:11:06,206 INFO L87 Difference]: Start difference. First operand 592 states and 847 transitions. Second operand has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-12-21 13:11:06,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:11:06,238 INFO L93 Difference]: Finished difference Result 916 states and 1293 transitions. [2021-12-21 13:11:06,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 13:11:06,238 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 176 [2021-12-21 13:11:06,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:11:06,241 INFO L225 Difference]: With dead ends: 916 [2021-12-21 13:11:06,241 INFO L226 Difference]: Without dead ends: 595 [2021-12-21 13:11:06,243 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 218 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2021-12-21 13:11:06,243 INFO L933 BasicCegarLoop]: 841 mSDtfsCounter, 1 mSDsluCounter, 839 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1680 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 [2021-12-21 13:11:06,244 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 1680 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 13:11:06,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 595 states. [2021-12-21 13:11:06,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 595 to 594. [2021-12-21 13:11:06,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 594 states, 446 states have (on average 1.4484304932735426) internal successors, (646), 456 states have internal predecessors, (646), 102 states have call successors, (102), 45 states have call predecessors, (102), 45 states have return successors, (101), 100 states have call predecessors, (101), 101 states have call successors, (101) [2021-12-21 13:11:06,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 594 states and 849 transitions. [2021-12-21 13:11:06,272 INFO L78 Accepts]: Start accepts. Automaton has 594 states and 849 transitions. Word has length 176 [2021-12-21 13:11:06,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:11:06,273 INFO L470 AbstractCegarLoop]: Abstraction has 594 states and 849 transitions. [2021-12-21 13:11:06,273 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-12-21 13:11:06,273 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 849 transitions. [2021-12-21 13:11:06,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2021-12-21 13:11:06,276 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:11:06,276 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 13:11:06,319 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-21 13:11:06,499 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 13:11:06,500 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting incoming__before__DecryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [incoming__before__DecryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:11:06,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:11:06,501 INFO L85 PathProgramCache]: Analyzing trace with hash 1822228826, now seen corresponding path program 1 times [2021-12-21 13:11:06,501 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:11:06,501 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133224903] [2021-12-21 13:11:06,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:11:06,501 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:11:06,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:06,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:11:06,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:06,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-21 13:11:06,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:06,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-21 13:11:06,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:06,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 13:11:06,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:06,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 13:11:06,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:06,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-21 13:11:06,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:06,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 13:11:06,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:06,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-21 13:11:06,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:06,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 13:11:06,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:06,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 13:11:06,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:06,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-21 13:11:06,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:06,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-12-21 13:11:06,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:06,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 13:11:06,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:06,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-21 13:11:06,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:06,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-21 13:11:06,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:06,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 13:11:06,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:06,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-12-21 13:11:06,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:06,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-21 13:11:06,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:06,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-12-21 13:11:06,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:06,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-21 13:11:06,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:06,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-12-21 13:11:06,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:06,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-12-21 13:11:06,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:06,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-21 13:11:06,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:06,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-21 13:11:06,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:06,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 13:11:06,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:06,724 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-12-21 13:11:06,724 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:11:06,724 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [133224903] [2021-12-21 13:11:06,724 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [133224903] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 13:11:06,724 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1054616448] [2021-12-21 13:11:06,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:11:06,725 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 13:11:06,725 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 13:11:06,726 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-21 13:11:06,760 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-21 13:11:07,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:07,054 INFO L263 TraceCheckSpWp]: Trace formula consists of 1533 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-21 13:11:07,060 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 13:11:07,337 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2021-12-21 13:11:07,337 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-21 13:11:07,337 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1054616448] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:11:07,337 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-21 13:11:07,337 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [12] total 13 [2021-12-21 13:11:07,338 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985889109] [2021-12-21 13:11:07,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:11:07,338 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 13:11:07,338 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:11:07,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 13:11:07,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2021-12-21 13:11:07,339 INFO L87 Difference]: Start difference. First operand 594 states and 849 transitions. Second operand has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-12-21 13:11:07,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:11:07,376 INFO L93 Difference]: Finished difference Result 1205 states and 1757 transitions. [2021-12-21 13:11:07,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 13:11:07,377 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 191 [2021-12-21 13:11:07,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:11:07,380 INFO L225 Difference]: With dead ends: 1205 [2021-12-21 13:11:07,380 INFO L226 Difference]: Without dead ends: 692 [2021-12-21 13:11:07,382 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 235 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2021-12-21 13:11:07,382 INFO L933 BasicCegarLoop]: 878 mSDtfsCounter, 165 mSDsluCounter, 796 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 1674 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 [2021-12-21 13:11:07,383 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [183 Valid, 1674 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 13:11:07,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 692 states. [2021-12-21 13:11:07,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 692 to 684. [2021-12-21 13:11:07,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 684 states, 522 states have (on average 1.4636015325670497) internal successors, (764), 532 states have internal predecessors, (764), 116 states have call successors, (116), 45 states have call predecessors, (116), 45 states have return successors, (115), 114 states have call predecessors, (115), 115 states have call successors, (115) [2021-12-21 13:11:07,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 684 states and 995 transitions. [2021-12-21 13:11:07,414 INFO L78 Accepts]: Start accepts. Automaton has 684 states and 995 transitions. Word has length 191 [2021-12-21 13:11:07,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:11:07,415 INFO L470 AbstractCegarLoop]: Abstraction has 684 states and 995 transitions. [2021-12-21 13:11:07,415 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-12-21 13:11:07,415 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 995 transitions. [2021-12-21 13:11:07,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2021-12-21 13:11:07,419 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:11:07,419 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 13:11:07,447 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-12-21 13:11:07,633 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2021-12-21 13:11:07,634 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting incoming__before__DecryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [incoming__before__DecryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:11:07,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:11:07,634 INFO L85 PathProgramCache]: Analyzing trace with hash -1609449436, now seen corresponding path program 1 times [2021-12-21 13:11:07,634 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:11:07,634 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721548900] [2021-12-21 13:11:07,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:11:07,634 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:11:07,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:07,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:11:07,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:07,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-21 13:11:07,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:07,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-21 13:11:07,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:07,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 13:11:07,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:07,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 13:11:07,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:07,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-21 13:11:07,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:07,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 13:11:07,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:07,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-21 13:11:07,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:07,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 13:11:07,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:07,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 13:11:07,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:07,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-21 13:11:07,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:07,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-12-21 13:11:07,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:07,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 13:11:07,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:07,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-21 13:11:07,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:07,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-21 13:11:07,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:07,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 13:11:07,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:07,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-12-21 13:11:07,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:07,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-21 13:11:07,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:07,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-21 13:11:07,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:07,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-12-21 13:11:07,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:07,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-21 13:11:07,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:07,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-21 13:11:07,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:07,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-21 13:11:07,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:07,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-21 13:11:07,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:07,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 13:11:07,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:07,814 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-12-21 13:11:07,814 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:11:07,814 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721548900] [2021-12-21 13:11:07,814 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [721548900] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 13:11:07,814 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1282926953] [2021-12-21 13:11:07,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:11:07,815 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 13:11:07,815 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 13:11:07,816 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-21 13:11:07,817 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-21 13:11:08,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:08,144 INFO L263 TraceCheckSpWp]: Trace formula consists of 1540 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-21 13:11:08,149 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 13:11:08,508 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2021-12-21 13:11:08,509 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-21 13:11:08,509 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1282926953] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:11:08,509 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-21 13:11:08,509 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [12] total 13 [2021-12-21 13:11:08,509 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673022086] [2021-12-21 13:11:08,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:11:08,510 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 13:11:08,510 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:11:08,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 13:11:08,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2021-12-21 13:11:08,510 INFO L87 Difference]: Start difference. First operand 684 states and 995 transitions. Second operand has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 3 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2021-12-21 13:11:08,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:11:08,572 INFO L93 Difference]: Finished difference Result 1632 states and 2374 transitions. [2021-12-21 13:11:08,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 13:11:08,572 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 3 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 192 [2021-12-21 13:11:08,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:11:08,578 INFO L225 Difference]: With dead ends: 1632 [2021-12-21 13:11:08,578 INFO L226 Difference]: Without dead ends: 1319 [2021-12-21 13:11:08,580 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 247 GetRequests, 236 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2021-12-21 13:11:08,581 INFO L933 BasicCegarLoop]: 940 mSDtfsCounter, 711 mSDsluCounter, 807 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 711 SdHoareTripleChecker+Valid, 1747 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-21 13:11:08,581 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [711 Valid, 1747 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 13:11:08,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1319 states. [2021-12-21 13:11:08,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1319 to 1317. [2021-12-21 13:11:08,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1317 states, 1013 states have (on average 1.4718657453109576) internal successors, (1491), 1030 states have internal predecessors, (1491), 216 states have call successors, (216), 87 states have call predecessors, (216), 87 states have return successors, (223), 212 states have call predecessors, (223), 214 states have call successors, (223) [2021-12-21 13:11:08,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1317 states to 1317 states and 1930 transitions. [2021-12-21 13:11:08,639 INFO L78 Accepts]: Start accepts. Automaton has 1317 states and 1930 transitions. Word has length 192 [2021-12-21 13:11:08,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:11:08,639 INFO L470 AbstractCegarLoop]: Abstraction has 1317 states and 1930 transitions. [2021-12-21 13:11:08,639 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 3 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2021-12-21 13:11:08,639 INFO L276 IsEmpty]: Start isEmpty. Operand 1317 states and 1930 transitions. [2021-12-21 13:11:08,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2021-12-21 13:11:08,644 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:11:08,644 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 13:11:08,672 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-12-21 13:11:08,859 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 13:11:08,860 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting incoming__before__DecryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [incoming__before__DecryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:11:08,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:11:08,860 INFO L85 PathProgramCache]: Analyzing trace with hash 1007104851, now seen corresponding path program 1 times [2021-12-21 13:11:08,860 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:11:08,860 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591229943] [2021-12-21 13:11:08,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:11:08,860 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:11:08,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:08,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:11:08,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:08,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-21 13:11:08,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:08,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-21 13:11:08,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:08,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 13:11:08,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:08,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 13:11:08,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:08,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-21 13:11:08,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:08,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 13:11:08,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:08,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-21 13:11:08,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:08,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 13:11:08,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:08,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 13:11:08,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:08,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-21 13:11:08,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:08,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-12-21 13:11:08,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:08,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 13:11:08,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:08,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-21 13:11:09,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:09,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-21 13:11:09,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:09,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 13:11:09,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:09,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-12-21 13:11:09,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:09,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-21 13:11:09,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:09,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-21 13:11:09,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:09,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-12-21 13:11:09,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:09,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-21 13:11:09,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:09,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-21 13:11:09,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:09,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-12-21 13:11:09,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:09,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 13:11:09,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:09,075 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2021-12-21 13:11:09,075 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:11:09,075 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591229943] [2021-12-21 13:11:09,075 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [591229943] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 13:11:09,075 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1219051095] [2021-12-21 13:11:09,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:11:09,076 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 13:11:09,076 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 13:11:09,077 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-21 13:11:09,079 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-21 13:11:09,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:09,353 INFO L263 TraceCheckSpWp]: Trace formula consists of 1510 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-21 13:11:09,358 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 13:11:09,704 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2021-12-21 13:11:09,704 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-21 13:11:09,704 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1219051095] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:11:09,704 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-21 13:11:09,704 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [12] total 18 [2021-12-21 13:11:09,704 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708986665] [2021-12-21 13:11:09,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:11:09,705 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-21 13:11:09,705 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:11:09,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-21 13:11:09,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=267, Unknown=0, NotChecked=0, Total=306 [2021-12-21 13:11:09,706 INFO L87 Difference]: Start difference. First operand 1317 states and 1930 transitions. Second operand has 8 states, 6 states have (on average 18.333333333333332) internal successors, (110), 8 states have internal predecessors, (110), 4 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (24), 3 states have call predecessors, (24), 4 states have call successors, (24) [2021-12-21 13:11:09,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:11:09,905 INFO L93 Difference]: Finished difference Result 2555 states and 3770 transitions. [2021-12-21 13:11:09,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-21 13:11:09,905 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 18.333333333333332) internal successors, (110), 8 states have internal predecessors, (110), 4 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (24), 3 states have call predecessors, (24), 4 states have call successors, (24) Word has length 185 [2021-12-21 13:11:09,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:11:09,911 INFO L225 Difference]: With dead ends: 2555 [2021-12-21 13:11:09,912 INFO L226 Difference]: Without dead ends: 1321 [2021-12-21 13:11:09,915 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 222 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=369, Unknown=0, NotChecked=0, Total=420 [2021-12-21 13:11:09,916 INFO L933 BasicCegarLoop]: 832 mSDtfsCounter, 363 mSDsluCounter, 4583 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 365 SdHoareTripleChecker+Valid, 5415 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-21 13:11:09,917 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [365 Valid, 5415 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-21 13:11:09,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1321 states. [2021-12-21 13:11:09,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1321 to 1321. [2021-12-21 13:11:09,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1321 states, 1015 states have (on average 1.470935960591133) internal successors, (1493), 1034 states have internal predecessors, (1493), 216 states have call successors, (216), 87 states have call predecessors, (216), 89 states have return successors, (227), 212 states have call predecessors, (227), 214 states have call successors, (227) [2021-12-21 13:11:09,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1321 states to 1321 states and 1936 transitions. [2021-12-21 13:11:09,985 INFO L78 Accepts]: Start accepts. Automaton has 1321 states and 1936 transitions. Word has length 185 [2021-12-21 13:11:09,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:11:09,985 INFO L470 AbstractCegarLoop]: Abstraction has 1321 states and 1936 transitions. [2021-12-21 13:11:09,986 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 18.333333333333332) internal successors, (110), 8 states have internal predecessors, (110), 4 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (24), 3 states have call predecessors, (24), 4 states have call successors, (24) [2021-12-21 13:11:09,986 INFO L276 IsEmpty]: Start isEmpty. Operand 1321 states and 1936 transitions. [2021-12-21 13:11:09,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2021-12-21 13:11:09,990 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:11:09,990 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 13:11:10,017 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-12-21 13:11:10,215 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 13:11:10,216 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting incoming__before__DecryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [incoming__before__DecryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:11:10,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:11:10,216 INFO L85 PathProgramCache]: Analyzing trace with hash 355693419, now seen corresponding path program 1 times [2021-12-21 13:11:10,216 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:11:10,216 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794049935] [2021-12-21 13:11:10,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:11:10,217 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:11:10,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:10,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:11:10,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:10,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-21 13:11:10,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:10,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-21 13:11:10,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:10,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 13:11:10,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:10,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 13:11:10,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:10,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-21 13:11:10,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:10,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 13:11:10,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:10,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-21 13:11:10,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:10,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 13:11:10,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:10,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 13:11:10,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:10,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-21 13:11:10,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:10,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-12-21 13:11:10,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:10,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 13:11:10,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:10,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-21 13:11:10,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:10,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-21 13:11:10,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:10,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 13:11:10,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:10,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-21 13:11:10,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:10,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-21 13:11:10,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:10,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-12-21 13:11:10,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:10,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-12-21 13:11:10,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:10,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-21 13:11:10,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:10,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-12-21 13:11:10,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:10,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-21 13:11:10,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:10,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 13:11:10,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:10,408 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2021-12-21 13:11:10,408 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:11:10,408 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794049935] [2021-12-21 13:11:10,408 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [794049935] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 13:11:10,409 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [209591288] [2021-12-21 13:11:10,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:11:10,409 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 13:11:10,409 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 13:11:10,410 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-21 13:11:10,435 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-12-21 13:11:10,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:10,700 INFO L263 TraceCheckSpWp]: Trace formula consists of 1511 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-21 13:11:10,704 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 13:11:11,010 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2021-12-21 13:11:11,010 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-21 13:11:11,010 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [209591288] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:11:11,010 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-21 13:11:11,010 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [13] total 17 [2021-12-21 13:11:11,011 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018977453] [2021-12-21 13:11:11,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:11:11,011 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 13:11:11,011 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:11:11,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 13:11:11,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=238, Unknown=0, NotChecked=0, Total=272 [2021-12-21 13:11:11,012 INFO L87 Difference]: Start difference. First operand 1321 states and 1936 transitions. Second operand has 6 states, 5 states have (on average 22.4) internal successors, (112), 6 states have internal predecessors, (112), 3 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2021-12-21 13:11:11,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:11:11,150 INFO L93 Difference]: Finished difference Result 2557 states and 3778 transitions. [2021-12-21 13:11:11,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-21 13:11:11,151 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 22.4) internal successors, (112), 6 states have internal predecessors, (112), 3 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 186 [2021-12-21 13:11:11,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:11:11,158 INFO L225 Difference]: With dead ends: 2557 [2021-12-21 13:11:11,158 INFO L226 Difference]: Without dead ends: 1325 [2021-12-21 13:11:11,162 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 224 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=299, Unknown=0, NotChecked=0, Total=342 [2021-12-21 13:11:11,162 INFO L933 BasicCegarLoop]: 831 mSDtfsCounter, 361 mSDsluCounter, 2920 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 361 SdHoareTripleChecker+Valid, 3751 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-21 13:11:11,163 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [361 Valid, 3751 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-21 13:11:11,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1325 states. [2021-12-21 13:11:11,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1325 to 1325. [2021-12-21 13:11:11,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1325 states, 1017 states have (on average 1.4700098328416913) internal successors, (1495), 1038 states have internal predecessors, (1495), 216 states have call successors, (216), 87 states have call predecessors, (216), 91 states have return successors, (237), 212 states have call predecessors, (237), 214 states have call successors, (237) [2021-12-21 13:11:11,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1325 states to 1325 states and 1948 transitions. [2021-12-21 13:11:11,224 INFO L78 Accepts]: Start accepts. Automaton has 1325 states and 1948 transitions. Word has length 186 [2021-12-21 13:11:11,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:11:11,224 INFO L470 AbstractCegarLoop]: Abstraction has 1325 states and 1948 transitions. [2021-12-21 13:11:11,224 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 22.4) internal successors, (112), 6 states have internal predecessors, (112), 3 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2021-12-21 13:11:11,224 INFO L276 IsEmpty]: Start isEmpty. Operand 1325 states and 1948 transitions. [2021-12-21 13:11:11,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2021-12-21 13:11:11,229 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:11:11,229 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 13:11:11,286 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-12-21 13:11:11,451 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-12-21 13:11:11,452 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting incoming__before__DecryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [incoming__before__DecryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:11:11,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:11:11,452 INFO L85 PathProgramCache]: Analyzing trace with hash -2117711116, now seen corresponding path program 1 times [2021-12-21 13:11:11,452 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:11:11,452 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452191690] [2021-12-21 13:11:11,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:11:11,452 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:11:11,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:11,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:11:11,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:11,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-21 13:11:11,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:11,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-21 13:11:11,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:11,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 13:11:11,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:11,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 13:11:11,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:11,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-21 13:11:11,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:11,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 13:11:11,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:11,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-21 13:11:11,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:11,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 13:11:11,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:11,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 13:11:11,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:11,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-21 13:11:11,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:11,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-12-21 13:11:11,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:11,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 13:11:11,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:11,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-21 13:11:11,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:11,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-21 13:11:11,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:11,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 13:11:11,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:11,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-21 13:11:11,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:11,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-12-21 13:11:11,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:11,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-21 13:11:11,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:11,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-21 13:11:11,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:11,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-21 13:11:11,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:11,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-12-21 13:11:11,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:11,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-12-21 13:11:11,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:11,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 13:11:11,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:11,613 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2021-12-21 13:11:11,614 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:11:11,614 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452191690] [2021-12-21 13:11:11,614 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1452191690] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:11:11,614 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 13:11:11,614 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-12-21 13:11:11,614 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255661895] [2021-12-21 13:11:11,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:11:11,615 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-12-21 13:11:11,615 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:11:11,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-12-21 13:11:11,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-12-21 13:11:11,616 INFO L87 Difference]: Start difference. First operand 1325 states and 1948 transitions. Second operand has 12 states, 10 states have (on average 10.8) internal successors, (108), 8 states have internal predecessors, (108), 4 states have call successors, (30), 6 states have call predecessors, (30), 3 states have return successors, (24), 3 states have call predecessors, (24), 4 states have call successors, (24) [2021-12-21 13:11:14,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:11:14,544 INFO L93 Difference]: Finished difference Result 2785 states and 4231 transitions. [2021-12-21 13:11:14,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-12-21 13:11:14,545 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 10.8) internal successors, (108), 8 states have internal predecessors, (108), 4 states have call successors, (30), 6 states have call predecessors, (30), 3 states have return successors, (24), 3 states have call predecessors, (24), 4 states have call successors, (24) Word has length 187 [2021-12-21 13:11:14,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:11:14,554 INFO L225 Difference]: With dead ends: 2785 [2021-12-21 13:11:14,555 INFO L226 Difference]: Without dead ends: 1577 [2021-12-21 13:11:14,559 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=122, Invalid=478, Unknown=0, NotChecked=0, Total=600 [2021-12-21 13:11:14,559 INFO L933 BasicCegarLoop]: 856 mSDtfsCounter, 2127 mSDsluCounter, 2709 mSDsCounter, 0 mSdLazyCounter, 4359 mSolverCounterSat, 869 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2127 SdHoareTripleChecker+Valid, 3565 SdHoareTripleChecker+Invalid, 5228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 869 IncrementalHoareTripleChecker+Valid, 4359 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2021-12-21 13:11:14,559 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2127 Valid, 3565 Invalid, 5228 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [869 Valid, 4359 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2021-12-21 13:11:14,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1577 states. [2021-12-21 13:11:14,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1577 to 1325. [2021-12-21 13:11:14,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1325 states, 1017 states have (on average 1.4700098328416913) internal successors, (1495), 1038 states have internal predecessors, (1495), 216 states have call successors, (216), 87 states have call predecessors, (216), 91 states have return successors, (235), 212 states have call predecessors, (235), 214 states have call successors, (235) [2021-12-21 13:11:14,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1325 states to 1325 states and 1946 transitions. [2021-12-21 13:11:14,667 INFO L78 Accepts]: Start accepts. Automaton has 1325 states and 1946 transitions. Word has length 187 [2021-12-21 13:11:14,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:11:14,668 INFO L470 AbstractCegarLoop]: Abstraction has 1325 states and 1946 transitions. [2021-12-21 13:11:14,668 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 10.8) internal successors, (108), 8 states have internal predecessors, (108), 4 states have call successors, (30), 6 states have call predecessors, (30), 3 states have return successors, (24), 3 states have call predecessors, (24), 4 states have call successors, (24) [2021-12-21 13:11:14,668 INFO L276 IsEmpty]: Start isEmpty. Operand 1325 states and 1946 transitions. [2021-12-21 13:11:14,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2021-12-21 13:11:14,673 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:11:14,673 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 13:11:14,673 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-21 13:11:14,674 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting incoming__before__DecryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [incoming__before__DecryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:11:14,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:11:14,674 INFO L85 PathProgramCache]: Analyzing trace with hash -644844056, now seen corresponding path program 2 times [2021-12-21 13:11:14,674 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:11:14,674 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742690102] [2021-12-21 13:11:14,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:11:14,675 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:11:14,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:14,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:11:14,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:14,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-21 13:11:14,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:14,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-21 13:11:14,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:14,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 13:11:14,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:14,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 13:11:14,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:14,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-21 13:11:14,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:14,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 13:11:14,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:14,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-21 13:11:14,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:14,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 13:11:14,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:14,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 13:11:14,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:14,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-21 13:11:14,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:14,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-12-21 13:11:14,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:14,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 13:11:14,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:14,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-21 13:11:14,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:14,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-21 13:11:14,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:14,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 13:11:14,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:14,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-21 13:11:14,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:14,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-21 13:11:14,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:14,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-12-21 13:11:14,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:14,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-12-21 13:11:14,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:14,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2021-12-21 13:11:14,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:14,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-21 13:11:14,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:14,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2021-12-21 13:11:14,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:14,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 13:11:14,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:14,842 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2021-12-21 13:11:14,842 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:11:14,842 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742690102] [2021-12-21 13:11:14,842 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1742690102] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:11:14,842 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 13:11:14,842 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-12-21 13:11:14,842 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844032840] [2021-12-21 13:11:14,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:11:14,843 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-12-21 13:11:14,843 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:11:14,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-12-21 13:11:14,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-12-21 13:11:14,844 INFO L87 Difference]: Start difference. First operand 1325 states and 1946 transitions. Second operand has 12 states, 10 states have (on average 10.9) internal successors, (109), 8 states have internal predecessors, (109), 4 states have call successors, (30), 6 states have call predecessors, (30), 3 states have return successors, (24), 3 states have call predecessors, (24), 4 states have call successors, (24) [2021-12-21 13:11:17,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:11:17,395 INFO L93 Difference]: Finished difference Result 2789 states and 4237 transitions. [2021-12-21 13:11:17,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-12-21 13:11:17,395 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 10.9) internal successors, (109), 8 states have internal predecessors, (109), 4 states have call successors, (30), 6 states have call predecessors, (30), 3 states have return successors, (24), 3 states have call predecessors, (24), 4 states have call successors, (24) Word has length 188 [2021-12-21 13:11:17,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:11:17,403 INFO L225 Difference]: With dead ends: 2789 [2021-12-21 13:11:17,404 INFO L226 Difference]: Without dead ends: 1581 [2021-12-21 13:11:17,407 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=122, Invalid=478, Unknown=0, NotChecked=0, Total=600 [2021-12-21 13:11:17,408 INFO L933 BasicCegarLoop]: 857 mSDtfsCounter, 2122 mSDsluCounter, 2709 mSDsCounter, 0 mSdLazyCounter, 4376 mSolverCounterSat, 874 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2122 SdHoareTripleChecker+Valid, 3566 SdHoareTripleChecker+Invalid, 5250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 874 IncrementalHoareTripleChecker+Valid, 4376 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-12-21 13:11:17,408 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2122 Valid, 3566 Invalid, 5250 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [874 Valid, 4376 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-12-21 13:11:17,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1581 states. [2021-12-21 13:11:17,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1581 to 1329. [2021-12-21 13:11:17,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1329 states, 1019 states have (on average 1.4690873405299314) internal successors, (1497), 1042 states have internal predecessors, (1497), 216 states have call successors, (216), 87 states have call predecessors, (216), 93 states have return successors, (239), 212 states have call predecessors, (239), 214 states have call successors, (239) [2021-12-21 13:11:17,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1329 states to 1329 states and 1952 transitions. [2021-12-21 13:11:17,512 INFO L78 Accepts]: Start accepts. Automaton has 1329 states and 1952 transitions. Word has length 188 [2021-12-21 13:11:17,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:11:17,512 INFO L470 AbstractCegarLoop]: Abstraction has 1329 states and 1952 transitions. [2021-12-21 13:11:17,512 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 10.9) internal successors, (109), 8 states have internal predecessors, (109), 4 states have call successors, (30), 6 states have call predecessors, (30), 3 states have return successors, (24), 3 states have call predecessors, (24), 4 states have call successors, (24) [2021-12-21 13:11:17,513 INFO L276 IsEmpty]: Start isEmpty. Operand 1329 states and 1952 transitions. [2021-12-21 13:11:17,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2021-12-21 13:11:17,518 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:11:17,518 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 13:11:17,518 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-21 13:11:17,518 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting incoming__before__DecryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [incoming__before__DecryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:11:17,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:11:17,519 INFO L85 PathProgramCache]: Analyzing trace with hash 137527929, now seen corresponding path program 1 times [2021-12-21 13:11:17,519 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:11:17,519 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527002371] [2021-12-21 13:11:17,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:11:17,520 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:11:17,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:17,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:11:17,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:17,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-21 13:11:17,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:17,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-21 13:11:17,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:17,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 13:11:17,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:17,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 13:11:17,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:17,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-21 13:11:17,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:17,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 13:11:17,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:17,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-21 13:11:17,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:17,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 13:11:17,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:17,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 13:11:17,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:17,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-21 13:11:17,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:17,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-12-21 13:11:17,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:17,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 13:11:17,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:17,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-21 13:11:17,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:17,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-21 13:11:17,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:17,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 13:11:17,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:17,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-21 13:11:17,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:17,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-12-21 13:11:17,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:17,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-21 13:11:17,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:17,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-12-21 13:11:17,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:17,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-12-21 13:11:17,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:17,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-12-21 13:11:17,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:17,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-21 13:11:17,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:17,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 13:11:17,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:17,712 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2021-12-21 13:11:17,712 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:11:17,712 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [527002371] [2021-12-21 13:11:17,712 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [527002371] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:11:17,713 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 13:11:17,713 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-12-21 13:11:17,713 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628545320] [2021-12-21 13:11:17,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:11:17,713 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-12-21 13:11:17,713 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:11:17,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-12-21 13:11:17,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2021-12-21 13:11:17,714 INFO L87 Difference]: Start difference. First operand 1329 states and 1952 transitions. Second operand has 13 states, 11 states have (on average 10.272727272727273) internal successors, (113), 8 states have internal predecessors, (113), 4 states have call successors, (30), 6 states have call predecessors, (30), 4 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2021-12-21 13:11:20,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:11:20,758 INFO L93 Difference]: Finished difference Result 3229 states and 4975 transitions. [2021-12-21 13:11:20,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-12-21 13:11:20,759 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 10.272727272727273) internal successors, (113), 8 states have internal predecessors, (113), 4 states have call successors, (30), 6 states have call predecessors, (30), 4 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) Word has length 189 [2021-12-21 13:11:20,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:11:20,769 INFO L225 Difference]: With dead ends: 3229 [2021-12-21 13:11:20,769 INFO L226 Difference]: Without dead ends: 2027 [2021-12-21 13:11:20,772 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=141, Invalid=561, Unknown=0, NotChecked=0, Total=702 [2021-12-21 13:11:20,773 INFO L933 BasicCegarLoop]: 1041 mSDtfsCounter, 1973 mSDsluCounter, 5338 mSDsCounter, 0 mSdLazyCounter, 5172 mSolverCounterSat, 847 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1993 SdHoareTripleChecker+Valid, 6379 SdHoareTripleChecker+Invalid, 6019 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 847 IncrementalHoareTripleChecker+Valid, 5172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2021-12-21 13:11:20,773 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1993 Valid, 6379 Invalid, 6019 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [847 Valid, 5172 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2021-12-21 13:11:20,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2027 states. [2021-12-21 13:11:20,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2027 to 1339. [2021-12-21 13:11:20,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1339 states, 1023 states have (on average 1.4672531769305963) internal successors, (1501), 1048 states have internal predecessors, (1501), 218 states have call successors, (218), 87 states have call predecessors, (218), 97 states have return successors, (249), 216 states have call predecessors, (249), 216 states have call successors, (249) [2021-12-21 13:11:20,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1339 states to 1339 states and 1968 transitions. [2021-12-21 13:11:20,882 INFO L78 Accepts]: Start accepts. Automaton has 1339 states and 1968 transitions. Word has length 189 [2021-12-21 13:11:20,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:11:20,883 INFO L470 AbstractCegarLoop]: Abstraction has 1339 states and 1968 transitions. [2021-12-21 13:11:20,883 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 10.272727272727273) internal successors, (113), 8 states have internal predecessors, (113), 4 states have call successors, (30), 6 states have call predecessors, (30), 4 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2021-12-21 13:11:20,883 INFO L276 IsEmpty]: Start isEmpty. Operand 1339 states and 1968 transitions. [2021-12-21 13:11:20,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2021-12-21 13:11:20,888 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:11:20,888 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 13:11:20,888 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-12-21 13:11:20,889 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting incoming__before__DecryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [incoming__before__DecryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:11:20,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:11:20,889 INFO L85 PathProgramCache]: Analyzing trace with hash -633205637, now seen corresponding path program 1 times [2021-12-21 13:11:20,889 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:11:20,889 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311877608] [2021-12-21 13:11:20,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:11:20,890 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:11:20,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:20,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:11:20,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:20,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-21 13:11:20,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:20,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-21 13:11:20,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:20,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 13:11:20,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:20,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 13:11:20,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:20,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-21 13:11:20,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:20,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 13:11:20,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:20,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-21 13:11:20,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:20,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 13:11:20,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:20,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 13:11:20,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:20,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-21 13:11:20,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:20,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-12-21 13:11:20,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:20,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 13:11:20,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:20,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-21 13:11:20,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:20,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-21 13:11:20,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:20,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 13:11:20,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:21,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-21 13:11:21,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:21,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-12-21 13:11:21,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:21,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-21 13:11:21,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:21,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-12-21 13:11:21,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:21,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-12-21 13:11:21,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:21,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-12-21 13:11:21,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:21,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-21 13:11:21,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:21,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 13:11:21,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:21,052 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2021-12-21 13:11:21,052 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:11:21,053 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [311877608] [2021-12-21 13:11:21,053 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [311877608] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:11:21,053 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 13:11:21,053 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-12-21 13:11:21,053 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421127168] [2021-12-21 13:11:21,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:11:21,054 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-12-21 13:11:21,054 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:11:21,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-12-21 13:11:21,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-12-21 13:11:21,054 INFO L87 Difference]: Start difference. First operand 1339 states and 1968 transitions. Second operand has 12 states, 10 states have (on average 11.0) internal successors, (110), 8 states have internal predecessors, (110), 4 states have call successors, (30), 6 states have call predecessors, (30), 3 states have return successors, (24), 3 states have call predecessors, (24), 4 states have call successors, (24) [2021-12-21 13:11:23,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:11:23,486 INFO L93 Difference]: Finished difference Result 2785 states and 4229 transitions. [2021-12-21 13:11:23,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-12-21 13:11:23,487 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 11.0) internal successors, (110), 8 states have internal predecessors, (110), 4 states have call successors, (30), 6 states have call predecessors, (30), 3 states have return successors, (24), 3 states have call predecessors, (24), 4 states have call successors, (24) Word has length 189 [2021-12-21 13:11:23,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:11:23,494 INFO L225 Difference]: With dead ends: 2785 [2021-12-21 13:11:23,494 INFO L226 Difference]: Without dead ends: 1577 [2021-12-21 13:11:23,497 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=146, Invalid=504, Unknown=0, NotChecked=0, Total=650 [2021-12-21 13:11:23,498 INFO L933 BasicCegarLoop]: 858 mSDtfsCounter, 2139 mSDsluCounter, 2715 mSDsCounter, 0 mSdLazyCounter, 4313 mSolverCounterSat, 890 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2139 SdHoareTripleChecker+Valid, 3573 SdHoareTripleChecker+Invalid, 5203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 890 IncrementalHoareTripleChecker+Valid, 4313 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-12-21 13:11:23,498 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2139 Valid, 3573 Invalid, 5203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [890 Valid, 4313 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-12-21 13:11:23,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1577 states. [2021-12-21 13:11:23,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1577 to 1329. [2021-12-21 13:11:23,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1329 states, 1019 states have (on average 1.4690873405299314) internal successors, (1497), 1042 states have internal predecessors, (1497), 216 states have call successors, (216), 87 states have call predecessors, (216), 93 states have return successors, (237), 212 states have call predecessors, (237), 214 states have call successors, (237) [2021-12-21 13:11:23,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1329 states to 1329 states and 1950 transitions. [2021-12-21 13:11:23,619 INFO L78 Accepts]: Start accepts. Automaton has 1329 states and 1950 transitions. Word has length 189 [2021-12-21 13:11:23,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:11:23,620 INFO L470 AbstractCegarLoop]: Abstraction has 1329 states and 1950 transitions. [2021-12-21 13:11:23,620 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 11.0) internal successors, (110), 8 states have internal predecessors, (110), 4 states have call successors, (30), 6 states have call predecessors, (30), 3 states have return successors, (24), 3 states have call predecessors, (24), 4 states have call successors, (24) [2021-12-21 13:11:23,620 INFO L276 IsEmpty]: Start isEmpty. Operand 1329 states and 1950 transitions. [2021-12-21 13:11:23,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2021-12-21 13:11:23,625 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:11:23,625 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 13:11:23,626 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-12-21 13:11:23,626 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting incoming__before__DecryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [incoming__before__DecryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:11:23,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:11:23,626 INFO L85 PathProgramCache]: Analyzing trace with hash -902281238, now seen corresponding path program 2 times [2021-12-21 13:11:23,626 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:11:23,627 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948118926] [2021-12-21 13:11:23,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:11:23,627 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:11:23,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:23,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:11:23,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:23,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-21 13:11:23,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:23,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-21 13:11:23,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:23,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 13:11:23,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:23,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 13:11:23,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:23,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-21 13:11:23,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:23,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 13:11:23,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:23,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-21 13:11:23,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:23,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 13:11:23,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:23,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 13:11:23,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:23,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-21 13:11:23,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:23,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-12-21 13:11:23,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:23,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 13:11:23,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:23,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-21 13:11:23,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:23,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-21 13:11:23,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:23,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 13:11:23,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:23,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-21 13:11:23,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:23,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-21 13:11:23,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:23,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-12-21 13:11:23,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:23,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-21 13:11:23,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:23,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-12-21 13:11:23,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:23,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-12-21 13:11:23,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:23,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-21 13:11:23,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:23,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 13:11:23,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:23,840 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2021-12-21 13:11:23,841 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:11:23,841 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948118926] [2021-12-21 13:11:23,841 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1948118926] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:11:23,841 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 13:11:23,841 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-12-21 13:11:23,841 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187421962] [2021-12-21 13:11:23,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:11:23,842 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-12-21 13:11:23,842 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:11:23,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-12-21 13:11:23,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2021-12-21 13:11:23,855 INFO L87 Difference]: Start difference. First operand 1329 states and 1950 transitions. Second operand has 13 states, 11 states have (on average 10.363636363636363) internal successors, (114), 8 states have internal predecessors, (114), 4 states have call successors, (30), 6 states have call predecessors, (30), 4 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2021-12-21 13:11:26,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:11:26,531 INFO L93 Difference]: Finished difference Result 2783 states and 4231 transitions. [2021-12-21 13:11:26,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-12-21 13:11:26,532 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 10.363636363636363) internal successors, (114), 8 states have internal predecessors, (114), 4 states have call successors, (30), 6 states have call predecessors, (30), 4 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) Word has length 190 [2021-12-21 13:11:26,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:11:26,539 INFO L225 Difference]: With dead ends: 2783 [2021-12-21 13:11:26,539 INFO L226 Difference]: Without dead ends: 1581 [2021-12-21 13:11:26,542 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=141, Invalid=561, Unknown=0, NotChecked=0, Total=702 [2021-12-21 13:11:26,542 INFO L933 BasicCegarLoop]: 841 mSDtfsCounter, 1961 mSDsluCounter, 3223 mSDsCounter, 0 mSdLazyCounter, 5019 mSolverCounterSat, 869 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1981 SdHoareTripleChecker+Valid, 4064 SdHoareTripleChecker+Invalid, 5888 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 869 IncrementalHoareTripleChecker+Valid, 5019 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-12-21 13:11:26,542 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1981 Valid, 4064 Invalid, 5888 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [869 Valid, 5019 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2021-12-21 13:11:26,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1581 states. [2021-12-21 13:11:26,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1581 to 1333. [2021-12-21 13:11:26,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1333 states, 1021 states have (on average 1.4681684622918707) internal successors, (1499), 1046 states have internal predecessors, (1499), 216 states have call successors, (216), 87 states have call predecessors, (216), 95 states have return successors, (247), 212 states have call predecessors, (247), 214 states have call successors, (247) [2021-12-21 13:11:26,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1333 states to 1333 states and 1962 transitions. [2021-12-21 13:11:26,626 INFO L78 Accepts]: Start accepts. Automaton has 1333 states and 1962 transitions. Word has length 190 [2021-12-21 13:11:26,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:11:26,626 INFO L470 AbstractCegarLoop]: Abstraction has 1333 states and 1962 transitions. [2021-12-21 13:11:26,627 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 10.363636363636363) internal successors, (114), 8 states have internal predecessors, (114), 4 states have call successors, (30), 6 states have call predecessors, (30), 4 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2021-12-21 13:11:26,627 INFO L276 IsEmpty]: Start isEmpty. Operand 1333 states and 1962 transitions. [2021-12-21 13:11:26,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2021-12-21 13:11:26,631 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:11:26,631 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 13:11:26,631 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-12-21 13:11:26,631 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting incoming__before__DecryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [incoming__before__DecryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:11:26,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:11:26,632 INFO L85 PathProgramCache]: Analyzing trace with hash 845300532, now seen corresponding path program 1 times [2021-12-21 13:11:26,632 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:11:26,632 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974739228] [2021-12-21 13:11:26,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:11:26,632 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:11:26,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:26,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:11:26,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:26,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-21 13:11:26,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:26,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-21 13:11:26,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:26,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 13:11:26,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:26,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 13:11:26,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:26,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-21 13:11:26,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:26,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 13:11:26,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:26,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-21 13:11:26,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:26,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 13:11:26,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:26,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 13:11:26,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:26,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-21 13:11:26,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:26,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-12-21 13:11:26,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:26,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 13:11:26,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:26,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-21 13:11:26,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:26,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-21 13:11:26,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:26,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 13:11:26,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:26,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-21 13:11:26,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:26,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-12-21 13:11:26,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:26,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-21 13:11:26,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:26,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-21 13:11:26,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:26,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-21 13:11:26,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:26,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-21 13:11:26,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:26,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-21 13:11:26,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:26,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 13:11:26,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:26,753 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2021-12-21 13:11:26,753 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:11:26,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974739228] [2021-12-21 13:11:26,754 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [974739228] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 13:11:26,754 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [650305684] [2021-12-21 13:11:26,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:11:26,755 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 13:11:26,755 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 13:11:26,756 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-21 13:11:26,757 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-12-21 13:11:27,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:27,012 INFO L263 TraceCheckSpWp]: Trace formula consists of 1516 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-21 13:11:27,016 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 13:11:27,302 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2021-12-21 13:11:27,302 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-21 13:11:27,595 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2021-12-21 13:11:27,595 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [650305684] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-21 13:11:27,595 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-21 13:11:27,595 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 11 [2021-12-21 13:11:27,595 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368438533] [2021-12-21 13:11:27,595 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-21 13:11:27,596 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-12-21 13:11:27,596 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:11:27,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-21 13:11:27,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-12-21 13:11:27,597 INFO L87 Difference]: Start difference. First operand 1333 states and 1962 transitions. Second operand has 11 states, 11 states have (on average 13.727272727272727) internal successors, (151), 7 states have internal predecessors, (151), 2 states have call successors, (49), 6 states have call predecessors, (49), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2021-12-21 13:11:29,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:11:29,816 INFO L93 Difference]: Finished difference Result 3331 states and 5209 transitions. [2021-12-21 13:11:29,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-21 13:11:29,816 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 13.727272727272727) internal successors, (151), 7 states have internal predecessors, (151), 2 states have call successors, (49), 6 states have call predecessors, (49), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 191 [2021-12-21 13:11:29,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:11:29,829 INFO L225 Difference]: With dead ends: 3331 [2021-12-21 13:11:29,829 INFO L226 Difference]: Without dead ends: 2707 [2021-12-21 13:11:29,831 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 442 GetRequests, 427 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2021-12-21 13:11:29,832 INFO L933 BasicCegarLoop]: 949 mSDtfsCounter, 2448 mSDsluCounter, 2469 mSDsCounter, 0 mSdLazyCounter, 2802 mSolverCounterSat, 1012 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2505 SdHoareTripleChecker+Valid, 3418 SdHoareTripleChecker+Invalid, 3814 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1012 IncrementalHoareTripleChecker+Valid, 2802 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-12-21 13:11:29,832 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2505 Valid, 3418 Invalid, 3814 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1012 Valid, 2802 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-12-21 13:11:29,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2707 states. [2021-12-21 13:11:29,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2707 to 2411. [2021-12-21 13:11:29,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2411 states, 1941 states have (on average 1.5182895414734672) internal successors, (2947), 1966 states have internal predecessors, (2947), 374 states have call successors, (374), 87 states have call predecessors, (374), 95 states have return successors, (425), 370 states have call predecessors, (425), 372 states have call successors, (425) [2021-12-21 13:11:29,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2411 states to 2411 states and 3746 transitions. [2021-12-21 13:11:29,980 INFO L78 Accepts]: Start accepts. Automaton has 2411 states and 3746 transitions. Word has length 191 [2021-12-21 13:11:29,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:11:29,980 INFO L470 AbstractCegarLoop]: Abstraction has 2411 states and 3746 transitions. [2021-12-21 13:11:29,981 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 13.727272727272727) internal successors, (151), 7 states have internal predecessors, (151), 2 states have call successors, (49), 6 states have call predecessors, (49), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2021-12-21 13:11:29,981 INFO L276 IsEmpty]: Start isEmpty. Operand 2411 states and 3746 transitions. [2021-12-21 13:11:29,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2021-12-21 13:11:29,989 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:11:29,990 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 13:11:30,021 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-12-21 13:11:30,216 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-12-21 13:11:30,217 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting incoming__before__DecryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [incoming__before__DecryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:11:30,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:11:30,217 INFO L85 PathProgramCache]: Analyzing trace with hash 906478418, now seen corresponding path program 1 times [2021-12-21 13:11:30,217 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:11:30,217 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240831640] [2021-12-21 13:11:30,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:11:30,217 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:11:30,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:30,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:11:30,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:30,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-21 13:11:30,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:30,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-21 13:11:30,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:30,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 13:11:30,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:30,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 13:11:30,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:30,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-21 13:11:30,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:30,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 13:11:30,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:30,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-21 13:11:30,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:30,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 13:11:30,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:30,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 13:11:30,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:30,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-21 13:11:30,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:30,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-12-21 13:11:30,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:30,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 13:11:30,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:30,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-21 13:11:30,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:30,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-21 13:11:30,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:30,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 13:11:30,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:30,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-21 13:11:30,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:30,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-12-21 13:11:30,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:30,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-12-21 13:11:30,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:30,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-21 13:11:30,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:30,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-12-21 13:11:30,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:30,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-12-21 13:11:30,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:30,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-12-21 13:11:30,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:30,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 13:11:30,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:30,362 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2021-12-21 13:11:30,363 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:11:30,363 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [240831640] [2021-12-21 13:11:30,363 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [240831640] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:11:30,363 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 13:11:30,363 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-21 13:11:30,363 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147068421] [2021-12-21 13:11:30,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:11:30,364 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-21 13:11:30,365 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:11:30,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-21 13:11:30,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-21 13:11:30,366 INFO L87 Difference]: Start difference. First operand 2411 states and 3746 transitions. Second operand has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 3 states have internal predecessors, (114), 2 states have call successors, (30), 6 states have call predecessors, (30), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-12-21 13:11:31,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:11:31,984 INFO L93 Difference]: Finished difference Result 5845 states and 9369 transitions. [2021-12-21 13:11:31,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-21 13:11:31,984 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 3 states have internal predecessors, (114), 2 states have call successors, (30), 6 states have call predecessors, (30), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 195 [2021-12-21 13:11:31,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:11:31,998 INFO L225 Difference]: With dead ends: 5845 [2021-12-21 13:11:31,999 INFO L226 Difference]: Without dead ends: 3677 [2021-12-21 13:11:32,003 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2021-12-21 13:11:32,004 INFO L933 BasicCegarLoop]: 893 mSDtfsCounter, 1936 mSDsluCounter, 1238 mSDsCounter, 0 mSdLazyCounter, 1252 mSolverCounterSat, 876 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1954 SdHoareTripleChecker+Valid, 2131 SdHoareTripleChecker+Invalid, 2128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 876 IncrementalHoareTripleChecker+Valid, 1252 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2021-12-21 13:11:32,004 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1954 Valid, 2131 Invalid, 2128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [876 Valid, 1252 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2021-12-21 13:11:32,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3677 states. [2021-12-21 13:11:32,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3677 to 3413. [2021-12-21 13:11:32,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3413 states, 2785 states have (on average 1.5292639138240574) internal successors, (4259), 2810 states have internal predecessors, (4259), 532 states have call successors, (532), 87 states have call predecessors, (532), 95 states have return successors, (603), 528 states have call predecessors, (603), 530 states have call successors, (603) [2021-12-21 13:11:32,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3413 states to 3413 states and 5394 transitions. [2021-12-21 13:11:32,194 INFO L78 Accepts]: Start accepts. Automaton has 3413 states and 5394 transitions. Word has length 195 [2021-12-21 13:11:32,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:11:32,195 INFO L470 AbstractCegarLoop]: Abstraction has 3413 states and 5394 transitions. [2021-12-21 13:11:32,195 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 3 states have internal predecessors, (114), 2 states have call successors, (30), 6 states have call predecessors, (30), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-12-21 13:11:32,195 INFO L276 IsEmpty]: Start isEmpty. Operand 3413 states and 5394 transitions. [2021-12-21 13:11:32,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2021-12-21 13:11:32,209 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:11:32,209 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 13:11:32,209 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-12-21 13:11:32,209 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting incoming__before__DecryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [incoming__before__DecryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:11:32,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:11:32,210 INFO L85 PathProgramCache]: Analyzing trace with hash 402995652, now seen corresponding path program 1 times [2021-12-21 13:11:32,210 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:11:32,210 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438791333] [2021-12-21 13:11:32,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:11:32,210 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:11:32,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:32,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:11:32,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:32,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-21 13:11:32,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:32,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-21 13:11:32,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:32,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 13:11:32,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:32,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 13:11:32,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:32,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-21 13:11:32,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:32,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 13:11:32,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:32,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-21 13:11:32,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:32,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 13:11:32,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:32,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 13:11:32,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:32,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-21 13:11:32,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:32,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-12-21 13:11:32,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:32,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 13:11:32,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:32,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-21 13:11:32,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:32,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-21 13:11:32,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:32,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 13:11:32,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:32,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-21 13:11:32,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:32,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-21 13:11:32,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:32,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-12-21 13:11:32,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:32,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-12-21 13:11:32,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:32,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-12-21 13:11:32,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:32,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-21 13:11:32,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:32,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2021-12-21 13:11:32,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:32,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 13:11:32,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:32,368 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2021-12-21 13:11:32,368 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:11:32,368 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438791333] [2021-12-21 13:11:32,368 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1438791333] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:11:32,368 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 13:11:32,368 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-21 13:11:32,369 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602643588] [2021-12-21 13:11:32,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:11:32,370 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-21 13:11:32,371 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:11:32,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-21 13:11:32,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-21 13:11:32,371 INFO L87 Difference]: Start difference. First operand 3413 states and 5394 transitions. Second operand has 7 states, 7 states have (on average 16.428571428571427) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (30), 6 states have call predecessors, (30), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-12-21 13:11:34,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:11:34,038 INFO L93 Difference]: Finished difference Result 8339 states and 13483 transitions. [2021-12-21 13:11:34,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-21 13:11:34,038 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.428571428571427) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (30), 6 states have call predecessors, (30), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 196 [2021-12-21 13:11:34,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:11:34,057 INFO L225 Difference]: With dead ends: 8339 [2021-12-21 13:11:34,057 INFO L226 Difference]: Without dead ends: 5295 [2021-12-21 13:11:34,063 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2021-12-21 13:11:34,064 INFO L933 BasicCegarLoop]: 869 mSDtfsCounter, 1965 mSDsluCounter, 1215 mSDsCounter, 0 mSdLazyCounter, 1232 mSolverCounterSat, 881 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1984 SdHoareTripleChecker+Valid, 2084 SdHoareTripleChecker+Invalid, 2113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 881 IncrementalHoareTripleChecker+Valid, 1232 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-12-21 13:11:34,064 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1984 Valid, 2084 Invalid, 2113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [881 Valid, 1232 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-12-21 13:11:34,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5295 states. [2021-12-21 13:11:34,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5295 to 5031. [2021-12-21 13:11:34,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5031 states, 4165 states have (on average 1.5411764705882354) internal successors, (6419), 4190 states have internal predecessors, (6419), 770 states have call successors, (770), 87 states have call predecessors, (770), 95 states have return successors, (841), 766 states have call predecessors, (841), 768 states have call successors, (841) [2021-12-21 13:11:34,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5031 states to 5031 states and 8030 transitions. [2021-12-21 13:11:34,332 INFO L78 Accepts]: Start accepts. Automaton has 5031 states and 8030 transitions. Word has length 196 [2021-12-21 13:11:34,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:11:34,333 INFO L470 AbstractCegarLoop]: Abstraction has 5031 states and 8030 transitions. [2021-12-21 13:11:34,333 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.428571428571427) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (30), 6 states have call predecessors, (30), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-12-21 13:11:34,333 INFO L276 IsEmpty]: Start isEmpty. Operand 5031 states and 8030 transitions. [2021-12-21 13:11:34,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2021-12-21 13:11:34,352 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:11:34,352 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 13:11:34,352 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-12-21 13:11:34,352 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting incoming__before__DecryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [incoming__before__DecryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:11:34,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:11:34,353 INFO L85 PathProgramCache]: Analyzing trace with hash -1722677895, now seen corresponding path program 1 times [2021-12-21 13:11:34,353 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:11:34,353 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554882859] [2021-12-21 13:11:34,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:11:34,353 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:11:34,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:34,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:11:34,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:34,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-21 13:11:34,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:34,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-21 13:11:34,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:34,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 13:11:34,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:34,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 13:11:34,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:34,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-21 13:11:34,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:34,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 13:11:34,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:34,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-21 13:11:34,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:34,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 13:11:34,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:34,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 13:11:34,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:34,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-21 13:11:34,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:34,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-12-21 13:11:34,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:34,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 13:11:34,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:34,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-21 13:11:34,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:34,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-21 13:11:34,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:34,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 13:11:34,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:34,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-21 13:11:34,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:34,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-21 13:11:34,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:34,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-21 13:11:34,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:34,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-21 13:11:34,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:34,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-21 13:11:34,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:34,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-12-21 13:11:34,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:34,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2021-12-21 13:11:34,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:34,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 13:11:34,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:34,527 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2021-12-21 13:11:34,527 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:11:34,527 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1554882859] [2021-12-21 13:11:34,527 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1554882859] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:11:34,527 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 13:11:34,528 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-21 13:11:34,528 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487641010] [2021-12-21 13:11:34,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:11:34,528 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-21 13:11:34,529 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:11:34,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-21 13:11:34,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-21 13:11:34,530 INFO L87 Difference]: Start difference. First operand 5031 states and 8030 transitions. Second operand has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (30), 6 states have call predecessors, (30), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-12-21 13:11:36,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:11:36,192 INFO L93 Difference]: Finished difference Result 12137 states and 19797 transitions. [2021-12-21 13:11:36,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-21 13:11:36,192 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (30), 6 states have call predecessors, (30), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 197 [2021-12-21 13:11:36,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:11:36,217 INFO L225 Difference]: With dead ends: 12137 [2021-12-21 13:11:36,218 INFO L226 Difference]: Without dead ends: 7789 [2021-12-21 13:11:36,229 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2021-12-21 13:11:36,229 INFO L933 BasicCegarLoop]: 880 mSDtfsCounter, 1954 mSDsluCounter, 1218 mSDsCounter, 0 mSdLazyCounter, 1206 mSolverCounterSat, 898 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1973 SdHoareTripleChecker+Valid, 2098 SdHoareTripleChecker+Invalid, 2104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 898 IncrementalHoareTripleChecker+Valid, 1206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-12-21 13:11:36,229 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1973 Valid, 2098 Invalid, 2104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [898 Valid, 1206 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-12-21 13:11:36,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7789 states. [2021-12-21 13:11:36,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7789 to 7525. [2021-12-21 13:11:36,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7525 states, 6335 states have (on average 1.551223362273086) internal successors, (9827), 6360 states have internal predecessors, (9827), 1094 states have call successors, (1094), 87 states have call predecessors, (1094), 95 states have return successors, (1197), 1090 states have call predecessors, (1197), 1092 states have call successors, (1197) [2021-12-21 13:11:36,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7525 states to 7525 states and 12118 transitions. [2021-12-21 13:11:36,709 INFO L78 Accepts]: Start accepts. Automaton has 7525 states and 12118 transitions. Word has length 197 [2021-12-21 13:11:36,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:11:36,709 INFO L470 AbstractCegarLoop]: Abstraction has 7525 states and 12118 transitions. [2021-12-21 13:11:36,709 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (30), 6 states have call predecessors, (30), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-12-21 13:11:36,709 INFO L276 IsEmpty]: Start isEmpty. Operand 7525 states and 12118 transitions. [2021-12-21 13:11:36,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2021-12-21 13:11:36,732 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:11:36,732 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 13:11:36,733 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-12-21 13:11:36,733 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting incoming__before__DecryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [incoming__before__DecryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:11:36,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:11:36,733 INFO L85 PathProgramCache]: Analyzing trace with hash 1204866252, now seen corresponding path program 1 times [2021-12-21 13:11:36,733 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:11:36,734 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537706857] [2021-12-21 13:11:36,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:11:36,734 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:11:36,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:36,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:11:36,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:36,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-21 13:11:36,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:36,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-21 13:11:36,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:36,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 13:11:36,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:36,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 13:11:36,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:36,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-21 13:11:36,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:36,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 13:11:36,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:36,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-21 13:11:36,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:36,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 13:11:36,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:36,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 13:11:36,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:36,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-21 13:11:36,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:36,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-12-21 13:11:36,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:36,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 13:11:36,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:36,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-21 13:11:36,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:36,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-21 13:11:36,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:36,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 13:11:36,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:36,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-21 13:11:36,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:36,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-12-21 13:11:36,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:36,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-12-21 13:11:36,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:36,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-12-21 13:11:36,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:36,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-21 13:11:36,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:36,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2021-12-21 13:11:36,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:36,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2021-12-21 13:11:36,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:36,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 13:11:36,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:36,863 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2021-12-21 13:11:36,863 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:11:36,863 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537706857] [2021-12-21 13:11:36,863 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [537706857] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:11:36,863 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 13:11:36,863 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-21 13:11:36,863 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859920427] [2021-12-21 13:11:36,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:11:36,864 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-21 13:11:36,864 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:11:36,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-21 13:11:36,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-21 13:11:36,865 INFO L87 Difference]: Start difference. First operand 7525 states and 12118 transitions. Second operand has 7 states, 7 states have (on average 16.714285714285715) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (30), 6 states have call predecessors, (30), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-12-21 13:11:38,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:11:38,620 INFO L93 Difference]: Finished difference Result 18141 states and 29815 transitions. [2021-12-21 13:11:38,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-21 13:11:38,620 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.714285714285715) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (30), 6 states have call predecessors, (30), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 198 [2021-12-21 13:11:38,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:11:38,658 INFO L225 Difference]: With dead ends: 18141 [2021-12-21 13:11:38,658 INFO L226 Difference]: Without dead ends: 11817 [2021-12-21 13:11:38,717 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2021-12-21 13:11:38,718 INFO L933 BasicCegarLoop]: 882 mSDtfsCounter, 1952 mSDsluCounter, 1220 mSDsCounter, 0 mSdLazyCounter, 1219 mSolverCounterSat, 889 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1970 SdHoareTripleChecker+Valid, 2102 SdHoareTripleChecker+Invalid, 2108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 889 IncrementalHoareTripleChecker+Valid, 1219 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-12-21 13:11:38,718 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1970 Valid, 2102 Invalid, 2108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [889 Valid, 1219 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-12-21 13:11:38,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11817 states. [2021-12-21 13:11:39,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11817 to 11553. [2021-12-21 13:11:39,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11553 states, 9873 states have (on average 1.5597082953509571) internal successors, (15399), 9898 states have internal predecessors, (15399), 1584 states have call successors, (1584), 87 states have call predecessors, (1584), 95 states have return successors, (1739), 1580 states have call predecessors, (1739), 1582 states have call successors, (1739) [2021-12-21 13:11:39,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11553 states to 11553 states and 18722 transitions. [2021-12-21 13:11:39,345 INFO L78 Accepts]: Start accepts. Automaton has 11553 states and 18722 transitions. Word has length 198 [2021-12-21 13:11:39,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:11:39,345 INFO L470 AbstractCegarLoop]: Abstraction has 11553 states and 18722 transitions. [2021-12-21 13:11:39,345 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.714285714285715) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (30), 6 states have call predecessors, (30), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-12-21 13:11:39,346 INFO L276 IsEmpty]: Start isEmpty. Operand 11553 states and 18722 transitions. [2021-12-21 13:11:39,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2021-12-21 13:11:39,372 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:11:39,372 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 13:11:39,372 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-12-21 13:11:39,373 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting incoming__before__DecryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [incoming__before__DecryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:11:39,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:11:39,373 INFO L85 PathProgramCache]: Analyzing trace with hash 2128777678, now seen corresponding path program 1 times [2021-12-21 13:11:39,375 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:11:39,375 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541692] [2021-12-21 13:11:39,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:11:39,376 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:11:39,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:39,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:11:39,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:39,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-21 13:11:39,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:39,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-21 13:11:39,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:39,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 13:11:39,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:39,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 13:11:39,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:39,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-21 13:11:39,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:39,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 13:11:39,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:39,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-21 13:11:39,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:39,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 13:11:39,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:39,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 13:11:39,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:39,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-21 13:11:39,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:39,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-12-21 13:11:39,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:39,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 13:11:39,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:39,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-21 13:11:39,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:39,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-21 13:11:39,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:39,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 13:11:39,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:39,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-21 13:11:39,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:39,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-21 13:11:39,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:39,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-12-21 13:11:39,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:39,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-12-21 13:11:39,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:39,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-21 13:11:39,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:39,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-21 13:11:39,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:39,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-21 13:11:39,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:39,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 13:11:39,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:39,503 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2021-12-21 13:11:39,504 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:11:39,504 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1541692] [2021-12-21 13:11:39,504 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1541692] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:11:39,504 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 13:11:39,504 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-21 13:11:39,504 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814487733] [2021-12-21 13:11:39,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:11:39,505 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-21 13:11:39,505 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:11:39,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-21 13:11:39,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-21 13:11:39,506 INFO L87 Difference]: Start difference. First operand 11553 states and 18722 transitions. Second operand has 7 states, 7 states have (on average 16.857142857142858) internal successors, (118), 3 states have internal predecessors, (118), 2 states have call successors, (30), 6 states have call predecessors, (30), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-12-21 13:11:41,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:11:41,834 INFO L93 Difference]: Finished difference Result 28127 states and 46411 transitions. [2021-12-21 13:11:41,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-21 13:11:41,834 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.857142857142858) internal successors, (118), 3 states have internal predecessors, (118), 2 states have call successors, (30), 6 states have call predecessors, (30), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 199 [2021-12-21 13:11:41,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:11:41,889 INFO L225 Difference]: With dead ends: 28127 [2021-12-21 13:11:41,889 INFO L226 Difference]: Without dead ends: 18567 [2021-12-21 13:11:41,906 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2021-12-21 13:11:41,907 INFO L933 BasicCegarLoop]: 898 mSDtfsCounter, 1950 mSDsluCounter, 1262 mSDsCounter, 0 mSdLazyCounter, 1223 mSolverCounterSat, 904 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1968 SdHoareTripleChecker+Valid, 2160 SdHoareTripleChecker+Invalid, 2127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 904 IncrementalHoareTripleChecker+Valid, 1223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-12-21 13:11:41,907 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1968 Valid, 2160 Invalid, 2127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [904 Valid, 1223 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-12-21 13:11:41,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18567 states. [2021-12-21 13:11:42,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18567 to 18303. [2021-12-21 13:11:42,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18303 states, 15637 states have (on average 1.5570122146191725) internal successors, (24347), 15662 states have internal predecessors, (24347), 2570 states have call successors, (2570), 87 states have call predecessors, (2570), 95 states have return successors, (2813), 2566 states have call predecessors, (2813), 2568 states have call successors, (2813) [2021-12-21 13:11:42,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18303 states to 18303 states and 29730 transitions. [2021-12-21 13:11:42,920 INFO L78 Accepts]: Start accepts. Automaton has 18303 states and 29730 transitions. Word has length 199 [2021-12-21 13:11:42,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:11:42,921 INFO L470 AbstractCegarLoop]: Abstraction has 18303 states and 29730 transitions. [2021-12-21 13:11:42,921 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.857142857142858) internal successors, (118), 3 states have internal predecessors, (118), 2 states have call successors, (30), 6 states have call predecessors, (30), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-12-21 13:11:42,921 INFO L276 IsEmpty]: Start isEmpty. Operand 18303 states and 29730 transitions. [2021-12-21 13:11:42,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2021-12-21 13:11:42,952 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:11:42,953 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 13:11:42,953 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-12-21 13:11:42,953 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting incoming__before__DecryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [incoming__before__DecryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:11:42,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:11:42,953 INFO L85 PathProgramCache]: Analyzing trace with hash 1686845559, now seen corresponding path program 1 times [2021-12-21 13:11:42,954 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:11:42,954 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25444749] [2021-12-21 13:11:42,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:11:42,954 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:11:42,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:43,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:11:43,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:43,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-21 13:11:43,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:43,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-21 13:11:43,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:43,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 13:11:43,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:43,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 13:11:43,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:43,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-21 13:11:43,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:43,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 13:11:43,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:43,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-21 13:11:43,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:43,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 13:11:43,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:43,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 13:11:43,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:43,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-21 13:11:43,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:43,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-12-21 13:11:43,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:43,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 13:11:43,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:43,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-21 13:11:43,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:43,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-21 13:11:43,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:43,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 13:11:43,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:43,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-21 13:11:43,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:43,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-12-21 13:11:43,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:43,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-21 13:11:43,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:43,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-21 13:11:43,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:43,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-12-21 13:11:43,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:43,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-21 13:11:43,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:43,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-21 13:11:43,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:43,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 13:11:43,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:11:43,071 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2021-12-21 13:11:43,071 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:11:43,071 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25444749] [2021-12-21 13:11:43,071 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [25444749] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:11:43,071 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 13:11:43,071 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-21 13:11:43,072 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75184213] [2021-12-21 13:11:43,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:11:43,072 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-21 13:11:43,072 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:11:43,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-21 13:11:43,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-21 13:11:43,073 INFO L87 Difference]: Start difference. First operand 18303 states and 29730 transitions. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 3 states have internal predecessors, (119), 2 states have call successors, (30), 6 states have call predecessors, (30), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24)