./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 ae007674 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-ae00767 [2021-12-28 00:52:18,439 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 00:52:18,441 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 00:52:18,460 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 00:52:18,460 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 00:52:18,461 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 00:52:18,462 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 00:52:18,463 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 00:52:18,464 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 00:52:18,465 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 00:52:18,465 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 00:52:18,466 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 00:52:18,473 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 00:52:18,474 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 00:52:18,474 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 00:52:18,475 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 00:52:18,476 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 00:52:18,476 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 00:52:18,478 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 00:52:18,479 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 00:52:18,480 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 00:52:18,481 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 00:52:18,482 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 00:52:18,482 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 00:52:18,484 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 00:52:18,485 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 00:52:18,485 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 00:52:18,486 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 00:52:18,486 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 00:52:18,487 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 00:52:18,487 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 00:52:18,488 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 00:52:18,488 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 00:52:18,489 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 00:52:18,490 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 00:52:18,490 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 00:52:18,491 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 00:52:18,491 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 00:52:18,491 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 00:52:18,492 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 00:52:18,492 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 00:52:18,493 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-28 00:52:18,509 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 00:52:18,509 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 00:52:18,510 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 00:52:18,510 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 00:52:18,511 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-28 00:52:18,511 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-28 00:52:18,511 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 00:52:18,511 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 00:52:18,512 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 00:52:18,512 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 00:52:18,512 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-28 00:52:18,512 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-28 00:52:18,512 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-28 00:52:18,513 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 00:52:18,513 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-28 00:52:18,513 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-28 00:52:18,513 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-28 00:52:18,513 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-28 00:52:18,513 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-28 00:52:18,514 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 00:52:18,514 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-28 00:52:18,514 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 00:52:18,514 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 00:52:18,514 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-28 00:52:18,515 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 00:52:18,515 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 00:52:18,515 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-28 00:52:18,515 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-28 00:52:18,515 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-28 00:52:18,516 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-28 00:52:18,516 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-28 00:52:18,516 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-28 00:52:18,516 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-28 00:52:18,516 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1d8908adfa5a1758f016a2fa64af2c05db2b3cc5d1fb9ac5b8aa70e5689b8434 [2021-12-28 00:52:18,759 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 00:52:18,791 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 00:52:18,793 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 00:52:18,794 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 00:52:18,794 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 00:52:18,795 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec7_productSimulator.cil.c [2021-12-28 00:52:18,856 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/312705948/175d11c9b71a4b189cb3973aad725db3/FLAGbf662f846 [2021-12-28 00:52:19,326 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 00:52:19,327 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec7_productSimulator.cil.c [2021-12-28 00:52:19,350 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/312705948/175d11c9b71a4b189cb3973aad725db3/FLAGbf662f846 [2021-12-28 00:52:19,362 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/312705948/175d11c9b71a4b189cb3973aad725db3 [2021-12-28 00:52:19,364 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 00:52:19,365 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 00:52:19,366 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 00:52:19,366 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 00:52:19,369 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 00:52:19,369 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 12:52:19" (1/1) ... [2021-12-28 00:52:19,370 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7155a2dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 12:52:19, skipping insertion in model container [2021-12-28 00:52:19,370 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 12:52:19" (1/1) ... [2021-12-28 00:52:19,382 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 00:52:19,428 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 00:52:19,856 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] [2021-12-28 00:52:19,858 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 00:52:19,870 INFO L203 MainTranslator]: Completed pre-run [2021-12-28 00:52:19,948 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] [2021-12-28 00:52:19,948 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 00:52:19,993 INFO L208 MainTranslator]: Completed translation [2021-12-28 00:52:19,994 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 12:52:19 WrapperNode [2021-12-28 00:52:19,994 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 00:52:19,995 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-28 00:52:19,995 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-28 00:52:19,995 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-28 00:52:20,014 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 12:52:19" (1/1) ... [2021-12-28 00:52:20,043 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 12:52:19" (1/1) ... [2021-12-28 00:52:20,123 INFO L137 Inliner]: procedures = 151, calls = 280, calls flagged for inlining = 67, calls inlined = 64, statements flattened = 1299 [2021-12-28 00:52:20,124 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-28 00:52:20,125 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-28 00:52:20,125 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-28 00:52:20,125 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-28 00:52:20,131 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 12:52:19" (1/1) ... [2021-12-28 00:52:20,131 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 12:52:19" (1/1) ... [2021-12-28 00:52:20,144 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 12:52:19" (1/1) ... [2021-12-28 00:52:20,144 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 12:52:19" (1/1) ... [2021-12-28 00:52:20,172 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 12:52:19" (1/1) ... [2021-12-28 00:52:20,181 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 12:52:19" (1/1) ... [2021-12-28 00:52:20,185 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 12:52:19" (1/1) ... [2021-12-28 00:52:20,192 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-28 00:52:20,193 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-28 00:52:20,193 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-28 00:52:20,194 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-28 00:52:20,194 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 12:52:19" (1/1) ... [2021-12-28 00:52:20,199 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 00:52:20,208 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 00:52:20,243 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) [2021-12-28 00:52:20,261 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 [2021-12-28 00:52:20,277 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2021-12-28 00:52:20,278 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2021-12-28 00:52:20,278 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__before__Keys [2021-12-28 00:52:20,278 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__before__Keys [2021-12-28 00:52:20,278 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Sign [2021-12-28 00:52:20,278 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Sign [2021-12-28 00:52:20,278 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2021-12-28 00:52:20,278 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2021-12-28 00:52:20,278 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2021-12-28 00:52:20,279 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2021-12-28 00:52:20,279 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2021-12-28 00:52:20,279 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2021-12-28 00:52:20,279 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2021-12-28 00:52:20,279 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2021-12-28 00:52:20,279 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Verify [2021-12-28 00:52:20,279 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Verify [2021-12-28 00:52:20,280 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2021-12-28 00:52:20,280 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2021-12-28 00:52:20,280 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__before__Keys [2021-12-28 00:52:20,280 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__before__Keys [2021-12-28 00:52:20,280 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2021-12-28 00:52:20,280 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2021-12-28 00:52:20,280 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2021-12-28 00:52:20,280 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2021-12-28 00:52:20,281 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2021-12-28 00:52:20,281 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2021-12-28 00:52:20,281 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Decrypt [2021-12-28 00:52:20,281 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Decrypt [2021-12-28 00:52:20,281 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Encrypt [2021-12-28 00:52:20,281 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Encrypt [2021-12-28 00:52:20,281 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2021-12-28 00:52:20,281 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2021-12-28 00:52:20,282 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2021-12-28 00:52:20,282 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2021-12-28 00:52:20,282 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2021-12-28 00:52:20,282 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2021-12-28 00:52:20,282 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-12-28 00:52:20,282 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Forward [2021-12-28 00:52:20,282 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Forward [2021-12-28 00:52:20,282 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2021-12-28 00:52:20,282 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2021-12-28 00:52:20,283 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2021-12-28 00:52:20,283 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2021-12-28 00:52:20,283 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2021-12-28 00:52:20,283 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2021-12-28 00:52:20,283 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__before__Encrypt [2021-12-28 00:52:20,283 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__before__Encrypt [2021-12-28 00:52:20,283 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-28 00:52:20,283 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2021-12-28 00:52:20,284 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2021-12-28 00:52:20,284 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2021-12-28 00:52:20,284 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2021-12-28 00:52:20,284 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__AddressBook [2021-12-28 00:52:20,284 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__AddressBook [2021-12-28 00:52:20,284 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Encrypt [2021-12-28 00:52:20,284 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Encrypt [2021-12-28 00:52:20,284 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__AutoResponder [2021-12-28 00:52:20,285 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__AutoResponder [2021-12-28 00:52:20,285 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2021-12-28 00:52:20,285 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2021-12-28 00:52:20,285 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2021-12-28 00:52:20,285 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2021-12-28 00:52:20,285 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2021-12-28 00:52:20,285 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2021-12-28 00:52:20,285 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2021-12-28 00:52:20,286 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2021-12-28 00:52:20,286 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2021-12-28 00:52:20,286 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2021-12-28 00:52:20,286 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2021-12-28 00:52:20,286 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2021-12-28 00:52:20,286 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2021-12-28 00:52:20,286 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2021-12-28 00:52:20,286 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__before__Keys [2021-12-28 00:52:20,286 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__before__Keys [2021-12-28 00:52:20,287 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Verify [2021-12-28 00:52:20,287 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Verify [2021-12-28 00:52:20,287 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2021-12-28 00:52:20,287 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2021-12-28 00:52:20,287 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2021-12-28 00:52:20,287 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2021-12-28 00:52:20,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-28 00:52:20,288 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2021-12-28 00:52:20,288 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2021-12-28 00:52:20,288 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Sign [2021-12-28 00:52:20,288 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Sign [2021-12-28 00:52:20,288 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2021-12-28 00:52:20,288 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2021-12-28 00:52:20,288 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2021-12-28 00:52:20,288 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2021-12-28 00:52:20,288 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-28 00:52:20,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-28 00:52:20,486 INFO L234 CfgBuilder]: Building ICFG [2021-12-28 00:52:20,487 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-28 00:52:21,174 INFO L275 CfgBuilder]: Performing block encoding [2021-12-28 00:52:21,189 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-28 00:52:21,190 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-28 00:52:21,193 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 12:52:21 BoogieIcfgContainer [2021-12-28 00:52:21,194 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-28 00:52:21,195 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-28 00:52:21,195 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-28 00:52:21,197 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-28 00:52:21,198 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 12:52:19" (1/3) ... [2021-12-28 00:52:21,198 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@594048d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 12:52:21, skipping insertion in model container [2021-12-28 00:52:21,198 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 12:52:19" (2/3) ... [2021-12-28 00:52:21,198 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@594048d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 12:52:21, skipping insertion in model container [2021-12-28 00:52:21,199 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 12:52:21" (3/3) ... [2021-12-28 00:52:21,200 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec7_productSimulator.cil.c [2021-12-28 00:52:21,204 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-28 00:52:21,204 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-28 00:52:21,247 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-28 00:52:21,252 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 [2021-12-28 00:52:21,252 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-28 00:52:21,271 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) [2021-12-28 00:52:21,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2021-12-28 00:52:21,286 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 00:52:21,289 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] [2021-12-28 00:52:21,290 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting incoming__before__DecryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [incoming__before__DecryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 00:52:21,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 00:52:21,294 INFO L85 PathProgramCache]: Analyzing trace with hash -78162442, now seen corresponding path program 1 times [2021-12-28 00:52:21,299 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 00:52:21,300 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188773261] [2021-12-28 00:52:21,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 00:52:21,301 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 00:52:21,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:21,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 00:52:21,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:21,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-28 00:52:21,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:21,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-28 00:52:21,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:21,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 00:52:21,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:21,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 00:52:21,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:21,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-28 00:52:21,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:21,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-28 00:52:21,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:21,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-28 00:52:21,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:21,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-28 00:52:21,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:21,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 00:52:21,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:21,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-28 00:52:21,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:21,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 00:52:21,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:21,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-28 00:52:21,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:21,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 00:52:21,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:21,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-12-28 00:52:21,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:21,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-28 00:52:21,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:21,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-12-28 00:52:21,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:21,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-12-28 00:52:21,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:21,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-28 00:52:21,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:21,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 00:52:21,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:21,795 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-12-28 00:52:21,796 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 00:52:21,796 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [188773261] [2021-12-28 00:52:21,797 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [188773261] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 00:52:21,797 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 00:52:21,797 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-28 00:52:21,798 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076967775] [2021-12-28 00:52:21,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 00:52:21,803 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-28 00:52:21,804 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 00:52:21,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-28 00:52:21,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-28 00:52:21,828 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) [2021-12-28 00:52:22,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 00:52:22,874 INFO L93 Difference]: Finished difference Result 1063 states and 1608 transitions. [2021-12-28 00:52:22,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-28 00:52:22,876 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 [2021-12-28 00:52:22,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 00:52:22,891 INFO L225 Difference]: With dead ends: 1063 [2021-12-28 00:52:22,906 INFO L226 Difference]: Without dead ends: 725 [2021-12-28 00:52:22,912 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 [2021-12-28 00:52:22,933 INFO L933 BasicCegarLoop]: 907 mSDtfsCounter, 1344 mSDsluCounter, 714 mSDsCounter, 0 mSdLazyCounter, 489 mSolverCounterSat, 631 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1353 SdHoareTripleChecker+Valid, 1621 SdHoareTripleChecker+Invalid, 1120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 631 IncrementalHoareTripleChecker+Valid, 489 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-12-28 00:52:22,934 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1353 Valid, 1621 Invalid, 1120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [631 Valid, 489 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-12-28 00:52:22,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 725 states. [2021-12-28 00:52:23,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 725 to 593. [2021-12-28 00:52:23,053 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) [2021-12-28 00:52:23,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 593 states and 882 transitions. [2021-12-28 00:52:23,058 INFO L78 Accepts]: Start accepts. Automaton has 593 states and 882 transitions. Word has length 141 [2021-12-28 00:52:23,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 00:52:23,058 INFO L470 AbstractCegarLoop]: Abstraction has 593 states and 882 transitions. [2021-12-28 00:52:23,059 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) [2021-12-28 00:52:23,059 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 882 transitions. [2021-12-28 00:52:23,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2021-12-28 00:52:23,063 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 00:52:23,064 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] [2021-12-28 00:52:23,064 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-28 00:52:23,064 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting incoming__before__DecryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [incoming__before__DecryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 00:52:23,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 00:52:23,065 INFO L85 PathProgramCache]: Analyzing trace with hash 646723229, now seen corresponding path program 1 times [2021-12-28 00:52:23,065 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 00:52:23,065 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063771897] [2021-12-28 00:52:23,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 00:52:23,066 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 00:52:23,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:23,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 00:52:23,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:23,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-28 00:52:23,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:23,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-28 00:52:23,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:23,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 00:52:23,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:23,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 00:52:23,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:23,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-28 00:52:23,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:23,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-28 00:52:23,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:23,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-28 00:52:23,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:23,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-28 00:52:23,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:23,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 00:52:23,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:23,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-28 00:52:23,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:23,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 00:52:23,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:23,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-28 00:52:23,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:23,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 00:52:23,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:23,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-28 00:52:23,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:23,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-28 00:52:23,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:23,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-28 00:52:23,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:23,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-12-28 00:52:23,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:23,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-28 00:52:23,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:23,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-12-28 00:52:23,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:23,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 00:52:23,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:23,217 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-12-28 00:52:23,218 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 00:52:23,218 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063771897] [2021-12-28 00:52:23,218 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2063771897] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 00:52:23,218 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 00:52:23,219 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-28 00:52:23,219 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572674304] [2021-12-28 00:52:23,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 00:52:23,220 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-28 00:52:23,220 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 00:52:23,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-28 00:52:23,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-12-28 00:52:23,221 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) [2021-12-28 00:52:24,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 00:52:24,936 INFO L93 Difference]: Finished difference Result 1282 states and 1935 transitions. [2021-12-28 00:52:24,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-28 00:52:24,937 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 [2021-12-28 00:52:24,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 00:52:24,949 INFO L225 Difference]: With dead ends: 1282 [2021-12-28 00:52:24,949 INFO L226 Difference]: Without dead ends: 725 [2021-12-28 00:52:24,956 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 [2021-12-28 00:52:24,972 INFO L933 BasicCegarLoop]: 885 mSDtfsCounter, 1355 mSDsluCounter, 1474 mSDsCounter, 0 mSdLazyCounter, 2835 mSolverCounterSat, 637 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1362 SdHoareTripleChecker+Valid, 2359 SdHoareTripleChecker+Invalid, 3472 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 637 IncrementalHoareTripleChecker+Valid, 2835 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-12-28 00:52:24,973 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1362 Valid, 2359 Invalid, 3472 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [637 Valid, 2835 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-12-28 00:52:24,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 725 states. [2021-12-28 00:52:24,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 725 to 593. [2021-12-28 00:52:24,999 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) [2021-12-28 00:52:25,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 593 states and 875 transitions. [2021-12-28 00:52:25,002 INFO L78 Accepts]: Start accepts. Automaton has 593 states and 875 transitions. Word has length 149 [2021-12-28 00:52:25,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 00:52:25,003 INFO L470 AbstractCegarLoop]: Abstraction has 593 states and 875 transitions. [2021-12-28 00:52:25,003 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) [2021-12-28 00:52:25,003 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 875 transitions. [2021-12-28 00:52:25,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2021-12-28 00:52:25,005 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 00:52:25,006 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] [2021-12-28 00:52:25,006 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-28 00:52:25,006 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting incoming__before__DecryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [incoming__before__DecryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 00:52:25,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 00:52:25,006 INFO L85 PathProgramCache]: Analyzing trace with hash 2113763488, now seen corresponding path program 1 times [2021-12-28 00:52:25,007 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 00:52:25,007 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1251600540] [2021-12-28 00:52:25,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 00:52:25,007 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 00:52:25,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:25,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 00:52:25,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:25,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-28 00:52:25,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:25,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-28 00:52:25,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:25,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 00:52:25,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:25,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 00:52:25,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:25,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-28 00:52:25,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:25,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-28 00:52:25,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:25,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-28 00:52:25,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:25,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-28 00:52:25,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:25,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 00:52:25,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:25,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-28 00:52:25,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:25,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 00:52:25,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:25,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-28 00:52:25,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:25,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 00:52:25,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:25,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-28 00:52:25,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:25,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-28 00:52:25,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:25,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-12-28 00:52:25,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:25,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-28 00:52:25,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:25,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-12-28 00:52:25,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:25,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-12-28 00:52:25,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:25,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 00:52:25,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:25,131 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-12-28 00:52:25,131 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 00:52:25,131 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1251600540] [2021-12-28 00:52:25,131 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1251600540] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 00:52:25,131 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 00:52:25,132 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 00:52:25,132 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74584116] [2021-12-28 00:52:25,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 00:52:25,132 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 00:52:25,133 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 00:52:25,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 00:52:25,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-28 00:52:25,133 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) [2021-12-28 00:52:25,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 00:52:25,916 INFO L93 Difference]: Finished difference Result 1285 states and 1949 transitions. [2021-12-28 00:52:25,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-28 00:52:25,917 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 [2021-12-28 00:52:25,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 00:52:25,921 INFO L225 Difference]: With dead ends: 1285 [2021-12-28 00:52:25,921 INFO L226 Difference]: Without dead ends: 725 [2021-12-28 00:52:25,923 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 [2021-12-28 00:52:25,928 INFO L933 BasicCegarLoop]: 874 mSDtfsCounter, 2068 mSDsluCounter, 678 mSDsCounter, 0 mSdLazyCounter, 492 mSolverCounterSat, 838 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2096 SdHoareTripleChecker+Valid, 1552 SdHoareTripleChecker+Invalid, 1330 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 838 IncrementalHoareTripleChecker+Valid, 492 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-28 00:52:25,929 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2096 Valid, 1552 Invalid, 1330 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [838 Valid, 492 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-28 00:52:25,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 725 states. [2021-12-28 00:52:25,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 725 to 594. [2021-12-28 00:52:25,957 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) [2021-12-28 00:52:25,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 594 states and 870 transitions. [2021-12-28 00:52:25,960 INFO L78 Accepts]: Start accepts. Automaton has 594 states and 870 transitions. Word has length 154 [2021-12-28 00:52:25,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 00:52:25,960 INFO L470 AbstractCegarLoop]: Abstraction has 594 states and 870 transitions. [2021-12-28 00:52:25,960 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) [2021-12-28 00:52:25,960 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 870 transitions. [2021-12-28 00:52:25,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2021-12-28 00:52:25,964 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 00:52:25,964 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] [2021-12-28 00:52:25,964 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-28 00:52:25,964 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting incoming__before__DecryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [incoming__before__DecryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 00:52:25,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 00:52:25,966 INFO L85 PathProgramCache]: Analyzing trace with hash 1869063655, now seen corresponding path program 1 times [2021-12-28 00:52:25,966 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 00:52:25,967 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211935538] [2021-12-28 00:52:25,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 00:52:25,967 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 00:52:25,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:26,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 00:52:26,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:26,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-28 00:52:26,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:26,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-28 00:52:26,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:26,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 00:52:26,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:26,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 00:52:26,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:26,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-28 00:52:26,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:26,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-28 00:52:26,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:26,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-28 00:52:26,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:26,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-28 00:52:26,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:26,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 00:52:26,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:26,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-28 00:52:26,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:26,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 00:52:26,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:26,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-28 00:52:26,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:26,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 00:52:26,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:26,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-28 00:52:26,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:26,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-28 00:52:26,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:26,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-12-28 00:52:26,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:26,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-12-28 00:52:26,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:26,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-28 00:52:26,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:26,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-12-28 00:52:26,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:26,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 00:52:26,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:26,106 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-12-28 00:52:26,107 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 00:52:26,107 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1211935538] [2021-12-28 00:52:26,107 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1211935538] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 00:52:26,107 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 00:52:26,107 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 00:52:26,107 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888097486] [2021-12-28 00:52:26,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 00:52:26,108 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 00:52:26,108 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 00:52:26,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 00:52:26,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-28 00:52:26,109 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) [2021-12-28 00:52:28,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 00:52:28,176 INFO L93 Difference]: Finished difference Result 1956 states and 3033 transitions. [2021-12-28 00:52:28,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-28 00:52:28,177 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 [2021-12-28 00:52:28,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 00:52:28,182 INFO L225 Difference]: With dead ends: 1956 [2021-12-28 00:52:28,182 INFO L226 Difference]: Without dead ends: 1396 [2021-12-28 00:52:28,184 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 [2021-12-28 00:52:28,185 INFO L933 BasicCegarLoop]: 929 mSDtfsCounter, 3258 mSDsluCounter, 909 mSDsCounter, 0 mSdLazyCounter, 1686 mSolverCounterSat, 1410 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3301 SdHoareTripleChecker+Valid, 1838 SdHoareTripleChecker+Invalid, 3096 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1410 IncrementalHoareTripleChecker+Valid, 1686 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-12-28 00:52:28,185 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3301 Valid, 1838 Invalid, 3096 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1410 Valid, 1686 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-12-28 00:52:28,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1396 states. [2021-12-28 00:52:28,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1396 to 1132. [2021-12-28 00:52:28,226 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) [2021-12-28 00:52:28,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1132 states to 1132 states and 1671 transitions. [2021-12-28 00:52:28,231 INFO L78 Accepts]: Start accepts. Automaton has 1132 states and 1671 transitions. Word has length 155 [2021-12-28 00:52:28,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 00:52:28,231 INFO L470 AbstractCegarLoop]: Abstraction has 1132 states and 1671 transitions. [2021-12-28 00:52:28,231 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) [2021-12-28 00:52:28,231 INFO L276 IsEmpty]: Start isEmpty. Operand 1132 states and 1671 transitions. [2021-12-28 00:52:28,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2021-12-28 00:52:28,234 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 00:52:28,234 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] [2021-12-28 00:52:28,234 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-28 00:52:28,235 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting incoming__before__DecryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [incoming__before__DecryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 00:52:28,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 00:52:28,235 INFO L85 PathProgramCache]: Analyzing trace with hash -903273516, now seen corresponding path program 1 times [2021-12-28 00:52:28,235 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 00:52:28,235 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428544421] [2021-12-28 00:52:28,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 00:52:28,236 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 00:52:28,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:28,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 00:52:28,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:28,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-28 00:52:28,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:28,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-28 00:52:28,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:28,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 00:52:28,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:28,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 00:52:28,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:28,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-28 00:52:28,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:28,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-28 00:52:28,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:28,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-28 00:52:28,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:28,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-28 00:52:28,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:28,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 00:52:28,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:28,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-28 00:52:28,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:28,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 00:52:28,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:28,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-28 00:52:28,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:28,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 00:52:28,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:28,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-28 00:52:28,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:28,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-28 00:52:28,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:28,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2021-12-28 00:52:28,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:28,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-28 00:52:28,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:28,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-12-28 00:52:28,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:28,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 00:52:28,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:28,336 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-12-28 00:52:28,336 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 00:52:28,336 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428544421] [2021-12-28 00:52:28,336 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [428544421] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 00:52:28,337 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 00:52:28,337 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 00:52:28,337 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038805021] [2021-12-28 00:52:28,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 00:52:28,337 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 00:52:28,338 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 00:52:28,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 00:52:28,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-28 00:52:28,338 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) [2021-12-28 00:52:29,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 00:52:29,142 INFO L93 Difference]: Finished difference Result 1265 states and 1902 transitions. [2021-12-28 00:52:29,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-28 00:52:29,142 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 [2021-12-28 00:52:29,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 00:52:29,148 INFO L225 Difference]: With dead ends: 1265 [2021-12-28 00:52:29,148 INFO L226 Difference]: Without dead ends: 726 [2021-12-28 00:52:29,150 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 [2021-12-28 00:52:29,150 INFO L933 BasicCegarLoop]: 877 mSDtfsCounter, 2021 mSDsluCounter, 684 mSDsCounter, 0 mSdLazyCounter, 492 mSolverCounterSat, 806 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2048 SdHoareTripleChecker+Valid, 1561 SdHoareTripleChecker+Invalid, 1298 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 806 IncrementalHoareTripleChecker+Valid, 492 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-28 00:52:29,151 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2048 Valid, 1561 Invalid, 1298 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [806 Valid, 492 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-28 00:52:29,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 726 states. [2021-12-28 00:52:29,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 726 to 595. [2021-12-28 00:52:29,170 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) [2021-12-28 00:52:29,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 595 states and 864 transitions. [2021-12-28 00:52:29,172 INFO L78 Accepts]: Start accepts. Automaton has 595 states and 864 transitions. Word has length 149 [2021-12-28 00:52:29,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 00:52:29,172 INFO L470 AbstractCegarLoop]: Abstraction has 595 states and 864 transitions. [2021-12-28 00:52:29,172 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) [2021-12-28 00:52:29,173 INFO L276 IsEmpty]: Start isEmpty. Operand 595 states and 864 transitions. [2021-12-28 00:52:29,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2021-12-28 00:52:29,175 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 00:52:29,175 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] [2021-12-28 00:52:29,175 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-28 00:52:29,175 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting incoming__before__DecryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [incoming__before__DecryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 00:52:29,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 00:52:29,176 INFO L85 PathProgramCache]: Analyzing trace with hash 1342249904, now seen corresponding path program 1 times [2021-12-28 00:52:29,176 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 00:52:29,176 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702678024] [2021-12-28 00:52:29,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 00:52:29,176 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 00:52:29,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:29,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 00:52:29,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:29,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-28 00:52:29,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:29,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-28 00:52:29,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:29,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 00:52:29,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:29,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 00:52:29,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:29,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-28 00:52:29,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:29,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-28 00:52:29,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:29,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-28 00:52:29,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:29,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 00:52:29,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:29,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 00:52:29,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:29,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 00:52:29,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:29,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 00:52:29,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:29,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 00:52:29,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:29,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 00:52:29,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:29,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-28 00:52:29,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:29,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-12-28 00:52:29,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:29,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-28 00:52:29,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:29,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-12-28 00:52:29,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:29,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-28 00:52:29,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:29,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-12-28 00:52:29,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:29,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-12-28 00:52:29,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:29,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 00:52:29,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:29,325 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2021-12-28 00:52:29,325 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 00:52:29,325 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702678024] [2021-12-28 00:52:29,325 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1702678024] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 00:52:29,325 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 00:52:29,325 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 00:52:29,325 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54298941] [2021-12-28 00:52:29,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 00:52:29,326 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 00:52:29,326 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 00:52:29,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 00:52:29,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-28 00:52:29,327 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) [2021-12-28 00:52:30,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 00:52:30,047 INFO L93 Difference]: Finished difference Result 1275 states and 1885 transitions. [2021-12-28 00:52:30,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-28 00:52:30,048 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 [2021-12-28 00:52:30,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 00:52:30,051 INFO L225 Difference]: With dead ends: 1275 [2021-12-28 00:52:30,051 INFO L226 Difference]: Without dead ends: 729 [2021-12-28 00:52:30,054 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 [2021-12-28 00:52:30,055 INFO L933 BasicCegarLoop]: 852 mSDtfsCounter, 2006 mSDsluCounter, 643 mSDsCounter, 0 mSdLazyCounter, 501 mSolverCounterSat, 819 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2031 SdHoareTripleChecker+Valid, 1495 SdHoareTripleChecker+Invalid, 1320 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 819 IncrementalHoareTripleChecker+Valid, 501 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-28 00:52:30,056 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2031 Valid, 1495 Invalid, 1320 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [819 Valid, 501 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-28 00:52:30,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 729 states. [2021-12-28 00:52:30,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 729 to 592. [2021-12-28 00:52:30,115 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) [2021-12-28 00:52:30,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 847 transitions. [2021-12-28 00:52:30,117 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 847 transitions. Word has length 165 [2021-12-28 00:52:30,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 00:52:30,117 INFO L470 AbstractCegarLoop]: Abstraction has 592 states and 847 transitions. [2021-12-28 00:52:30,118 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) [2021-12-28 00:52:30,118 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 847 transitions. [2021-12-28 00:52:30,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2021-12-28 00:52:30,119 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 00:52:30,120 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] [2021-12-28 00:52:30,120 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-28 00:52:30,120 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting incoming__before__DecryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [incoming__before__DecryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 00:52:30,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 00:52:30,121 INFO L85 PathProgramCache]: Analyzing trace with hash 1875311965, now seen corresponding path program 1 times [2021-12-28 00:52:30,121 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 00:52:30,121 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307407583] [2021-12-28 00:52:30,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 00:52:30,121 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 00:52:30,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:30,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 00:52:30,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:30,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-28 00:52:30,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:30,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-28 00:52:30,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:30,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 00:52:30,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:30,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 00:52:30,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:30,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-28 00:52:30,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:30,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-28 00:52:30,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:30,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-28 00:52:30,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:30,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 00:52:30,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:30,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 00:52:30,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:30,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-28 00:52:30,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:30,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-12-28 00:52:30,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:30,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 00:52:30,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:30,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-28 00:52:30,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:30,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-28 00:52:30,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:30,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 00:52:30,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:30,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-12-28 00:52:30,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:30,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-28 00:52:30,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:30,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-12-28 00:52:30,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:30,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-12-28 00:52:30,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:30,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-28 00:52:30,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:30,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-28 00:52:30,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:30,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-12-28 00:52:30,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:30,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 00:52:30,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:30,266 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2021-12-28 00:52:30,267 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 00:52:30,267 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307407583] [2021-12-28 00:52:30,267 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [307407583] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-28 00:52:30,267 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [438951446] [2021-12-28 00:52:30,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 00:52:30,267 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-28 00:52:30,268 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 00:52:30,269 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) [2021-12-28 00:52:30,270 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-28 00:52:30,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:30,532 INFO L263 TraceCheckSpWp]: Trace formula consists of 1487 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-28 00:52:30,541 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-28 00:52:30,754 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-12-28 00:52:30,755 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-28 00:52:30,755 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [438951446] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 00:52:30,755 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-28 00:52:30,755 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [12] total 13 [2021-12-28 00:52:30,756 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678580152] [2021-12-28 00:52:30,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 00:52:30,756 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-28 00:52:30,756 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 00:52:30,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-28 00:52:30,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2021-12-28 00:52:30,757 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) [2021-12-28 00:52:30,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 00:52:30,778 INFO L93 Difference]: Finished difference Result 916 states and 1293 transitions. [2021-12-28 00:52:30,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-28 00:52:30,779 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 [2021-12-28 00:52:30,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 00:52:30,781 INFO L225 Difference]: With dead ends: 916 [2021-12-28 00:52:30,781 INFO L226 Difference]: Without dead ends: 595 [2021-12-28 00:52:30,782 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 [2021-12-28 00:52:30,783 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 [2021-12-28 00:52:30,783 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] [2021-12-28 00:52:30,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 595 states. [2021-12-28 00:52:30,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 595 to 594. [2021-12-28 00:52:30,800 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) [2021-12-28 00:52:30,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 594 states and 849 transitions. [2021-12-28 00:52:30,802 INFO L78 Accepts]: Start accepts. Automaton has 594 states and 849 transitions. Word has length 176 [2021-12-28 00:52:30,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 00:52:30,803 INFO L470 AbstractCegarLoop]: Abstraction has 594 states and 849 transitions. [2021-12-28 00:52:30,803 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) [2021-12-28 00:52:30,803 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 849 transitions. [2021-12-28 00:52:30,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2021-12-28 00:52:30,805 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 00:52:30,805 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] [2021-12-28 00:52:30,841 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-28 00:52:31,022 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 [2021-12-28 00:52:31,022 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting incoming__before__DecryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [incoming__before__DecryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 00:52:31,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 00:52:31,022 INFO L85 PathProgramCache]: Analyzing trace with hash 1822228826, now seen corresponding path program 1 times [2021-12-28 00:52:31,023 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 00:52:31,023 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047615729] [2021-12-28 00:52:31,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 00:52:31,023 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 00:52:31,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:31,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 00:52:31,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:31,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-28 00:52:31,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:31,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-28 00:52:31,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:31,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 00:52:31,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:31,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 00:52:31,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:31,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-28 00:52:31,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:31,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-28 00:52:31,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:31,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-28 00:52:31,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:31,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 00:52:31,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:31,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 00:52:31,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:31,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-28 00:52:31,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:31,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-12-28 00:52:31,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:31,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 00:52:31,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:31,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-28 00:52:31,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:31,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-28 00:52:31,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:31,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 00:52:31,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:31,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-12-28 00:52:31,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:31,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-28 00:52:31,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:31,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-12-28 00:52:31,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:31,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-28 00:52:31,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:31,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-12-28 00:52:31,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:31,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-12-28 00:52:31,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:31,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-28 00:52:31,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:31,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-28 00:52:31,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:31,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 00:52:31,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:31,300 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-12-28 00:52:31,301 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 00:52:31,301 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047615729] [2021-12-28 00:52:31,301 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2047615729] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-28 00:52:31,301 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1839279113] [2021-12-28 00:52:31,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 00:52:31,301 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-28 00:52:31,301 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 00:52:31,302 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) [2021-12-28 00:52:31,312 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-28 00:52:31,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:31,588 INFO L263 TraceCheckSpWp]: Trace formula consists of 1533 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-28 00:52:31,593 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-28 00:52:31,799 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2021-12-28 00:52:31,799 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-28 00:52:31,800 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1839279113] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 00:52:31,800 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-28 00:52:31,800 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [12] total 13 [2021-12-28 00:52:31,800 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928303869] [2021-12-28 00:52:31,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 00:52:31,800 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-28 00:52:31,801 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 00:52:31,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-28 00:52:31,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2021-12-28 00:52:31,801 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) [2021-12-28 00:52:31,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 00:52:31,828 INFO L93 Difference]: Finished difference Result 1205 states and 1757 transitions. [2021-12-28 00:52:31,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-28 00:52:31,829 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 [2021-12-28 00:52:31,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 00:52:31,831 INFO L225 Difference]: With dead ends: 1205 [2021-12-28 00:52:31,831 INFO L226 Difference]: Without dead ends: 692 [2021-12-28 00:52:31,833 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 [2021-12-28 00:52:31,834 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 [2021-12-28 00:52:31,834 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] [2021-12-28 00:52:31,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 692 states. [2021-12-28 00:52:31,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 692 to 684. [2021-12-28 00:52:31,854 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) [2021-12-28 00:52:31,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 684 states and 995 transitions. [2021-12-28 00:52:31,858 INFO L78 Accepts]: Start accepts. Automaton has 684 states and 995 transitions. Word has length 191 [2021-12-28 00:52:31,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 00:52:31,858 INFO L470 AbstractCegarLoop]: Abstraction has 684 states and 995 transitions. [2021-12-28 00:52:31,859 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) [2021-12-28 00:52:31,859 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 995 transitions. [2021-12-28 00:52:31,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2021-12-28 00:52:31,861 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 00:52:31,861 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] [2021-12-28 00:52:31,881 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-12-28 00:52:32,079 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 [2021-12-28 00:52:32,079 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting incoming__before__DecryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [incoming__before__DecryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 00:52:32,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 00:52:32,080 INFO L85 PathProgramCache]: Analyzing trace with hash -1609449436, now seen corresponding path program 1 times [2021-12-28 00:52:32,080 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 00:52:32,080 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138303008] [2021-12-28 00:52:32,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 00:52:32,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 00:52:32,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:32,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 00:52:32,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:32,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-28 00:52:32,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:32,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-28 00:52:32,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:32,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 00:52:32,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:32,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 00:52:32,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:32,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-28 00:52:32,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:32,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-28 00:52:32,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:32,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-28 00:52:32,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:32,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 00:52:32,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:32,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 00:52:32,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:32,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-28 00:52:32,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:32,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-12-28 00:52:32,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:32,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 00:52:32,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:32,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-28 00:52:32,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:32,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-28 00:52:32,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:32,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 00:52:32,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:32,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-12-28 00:52:32,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:32,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-28 00:52:32,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:32,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-28 00:52:32,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:32,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-12-28 00:52:32,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:32,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-28 00:52:32,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:32,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-28 00:52:32,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:32,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-28 00:52:32,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:32,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-28 00:52:32,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:32,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 00:52:32,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:32,273 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-12-28 00:52:32,273 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 00:52:32,273 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138303008] [2021-12-28 00:52:32,273 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [138303008] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-28 00:52:32,274 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [260440209] [2021-12-28 00:52:32,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 00:52:32,274 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-28 00:52:32,274 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 00:52:32,275 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) [2021-12-28 00:52:32,276 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-28 00:52:32,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:32,544 INFO L263 TraceCheckSpWp]: Trace formula consists of 1540 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-28 00:52:32,551 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-28 00:52:32,800 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2021-12-28 00:52:32,801 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-28 00:52:32,801 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [260440209] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 00:52:32,801 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-28 00:52:32,801 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [12] total 13 [2021-12-28 00:52:32,801 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166555260] [2021-12-28 00:52:32,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 00:52:32,802 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-28 00:52:32,802 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 00:52:32,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-28 00:52:32,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2021-12-28 00:52:32,802 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) [2021-12-28 00:52:32,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 00:52:32,844 INFO L93 Difference]: Finished difference Result 1632 states and 2374 transitions. [2021-12-28 00:52:32,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-28 00:52:32,844 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 [2021-12-28 00:52:32,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 00:52:32,849 INFO L225 Difference]: With dead ends: 1632 [2021-12-28 00:52:32,849 INFO L226 Difference]: Without dead ends: 1319 [2021-12-28 00:52:32,850 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 [2021-12-28 00:52:32,851 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 [2021-12-28 00:52:32,851 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] [2021-12-28 00:52:32,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1319 states. [2021-12-28 00:52:32,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1319 to 1317. [2021-12-28 00:52:32,888 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) [2021-12-28 00:52:32,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1317 states to 1317 states and 1930 transitions. [2021-12-28 00:52:32,892 INFO L78 Accepts]: Start accepts. Automaton has 1317 states and 1930 transitions. Word has length 192 [2021-12-28 00:52:32,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 00:52:32,892 INFO L470 AbstractCegarLoop]: Abstraction has 1317 states and 1930 transitions. [2021-12-28 00:52:32,893 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) [2021-12-28 00:52:32,893 INFO L276 IsEmpty]: Start isEmpty. Operand 1317 states and 1930 transitions. [2021-12-28 00:52:32,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2021-12-28 00:52:32,896 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 00:52:32,896 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] [2021-12-28 00:52:32,939 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-12-28 00:52:33,114 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 [2021-12-28 00:52:33,115 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting incoming__before__DecryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [incoming__before__DecryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 00:52:33,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 00:52:33,115 INFO L85 PathProgramCache]: Analyzing trace with hash 1007104851, now seen corresponding path program 1 times [2021-12-28 00:52:33,115 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 00:52:33,115 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995074700] [2021-12-28 00:52:33,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 00:52:33,116 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 00:52:33,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:33,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 00:52:33,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:33,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-28 00:52:33,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:33,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-28 00:52:33,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:33,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 00:52:33,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:33,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 00:52:33,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:33,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-28 00:52:33,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:33,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-28 00:52:33,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:33,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-28 00:52:33,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:33,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 00:52:33,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:33,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 00:52:33,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:33,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-28 00:52:33,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:33,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-12-28 00:52:33,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:33,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 00:52:33,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:33,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-28 00:52:33,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:33,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-28 00:52:33,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:33,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 00:52:33,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:33,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-12-28 00:52:33,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:33,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-28 00:52:33,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:33,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-28 00:52:33,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:33,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-12-28 00:52:33,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:33,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-28 00:52:33,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:33,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-28 00:52:33,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:33,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-12-28 00:52:33,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:33,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 00:52:33,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:33,259 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2021-12-28 00:52:33,259 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 00:52:33,259 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995074700] [2021-12-28 00:52:33,260 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [995074700] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-28 00:52:33,260 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [411419804] [2021-12-28 00:52:33,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 00:52:33,260 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-28 00:52:33,260 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 00:52:33,276 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) [2021-12-28 00:52:33,316 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-28 00:52:33,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:33,564 INFO L263 TraceCheckSpWp]: Trace formula consists of 1510 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-28 00:52:33,568 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-28 00:52:33,876 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2021-12-28 00:52:33,877 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-28 00:52:33,877 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [411419804] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 00:52:33,877 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-28 00:52:33,877 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [12] total 18 [2021-12-28 00:52:33,877 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069877404] [2021-12-28 00:52:33,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 00:52:33,878 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-28 00:52:33,878 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 00:52:33,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-28 00:52:33,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=267, Unknown=0, NotChecked=0, Total=306 [2021-12-28 00:52:33,879 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) [2021-12-28 00:52:34,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 00:52:34,027 INFO L93 Difference]: Finished difference Result 2555 states and 3770 transitions. [2021-12-28 00:52:34,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-28 00:52:34,027 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 [2021-12-28 00:52:34,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 00:52:34,032 INFO L225 Difference]: With dead ends: 2555 [2021-12-28 00:52:34,032 INFO L226 Difference]: Without dead ends: 1321 [2021-12-28 00:52:34,035 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 [2021-12-28 00:52:34,036 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 [2021-12-28 00:52:34,036 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] [2021-12-28 00:52:34,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1321 states. [2021-12-28 00:52:34,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1321 to 1321. [2021-12-28 00:52:34,077 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) [2021-12-28 00:52:34,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1321 states to 1321 states and 1936 transitions. [2021-12-28 00:52:34,107 INFO L78 Accepts]: Start accepts. Automaton has 1321 states and 1936 transitions. Word has length 185 [2021-12-28 00:52:34,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 00:52:34,108 INFO L470 AbstractCegarLoop]: Abstraction has 1321 states and 1936 transitions. [2021-12-28 00:52:34,108 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) [2021-12-28 00:52:34,108 INFO L276 IsEmpty]: Start isEmpty. Operand 1321 states and 1936 transitions. [2021-12-28 00:52:34,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2021-12-28 00:52:34,111 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 00:52:34,111 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] [2021-12-28 00:52:34,131 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-12-28 00:52:34,324 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 [2021-12-28 00:52:34,325 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting incoming__before__DecryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [incoming__before__DecryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 00:52:34,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 00:52:34,325 INFO L85 PathProgramCache]: Analyzing trace with hash 355693419, now seen corresponding path program 1 times [2021-12-28 00:52:34,325 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 00:52:34,325 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124192949] [2021-12-28 00:52:34,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 00:52:34,326 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 00:52:34,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:34,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 00:52:34,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:34,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-28 00:52:34,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:34,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-28 00:52:34,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:34,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 00:52:34,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:34,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 00:52:34,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:34,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-28 00:52:34,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:34,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-28 00:52:34,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:34,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-28 00:52:34,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:34,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 00:52:34,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:34,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 00:52:34,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:34,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-28 00:52:34,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:34,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-12-28 00:52:34,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:34,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 00:52:34,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:34,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-28 00:52:34,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:34,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-28 00:52:34,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:34,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 00:52:34,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:34,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 00:52:34,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:34,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-28 00:52:34,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:34,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-12-28 00:52:34,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:34,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-12-28 00:52:34,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:34,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-28 00:52:34,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:34,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-12-28 00:52:34,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:34,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-28 00:52:34,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:34,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 00:52:34,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:34,467 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2021-12-28 00:52:34,467 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 00:52:34,467 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124192949] [2021-12-28 00:52:34,467 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1124192949] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-28 00:52:34,467 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [390027096] [2021-12-28 00:52:34,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 00:52:34,467 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-28 00:52:34,468 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 00:52:34,468 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) [2021-12-28 00:52:34,483 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-12-28 00:52:34,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:34,718 INFO L263 TraceCheckSpWp]: Trace formula consists of 1511 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-28 00:52:34,722 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-28 00:52:35,015 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2021-12-28 00:52:35,015 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-28 00:52:35,015 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [390027096] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 00:52:35,015 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-28 00:52:35,015 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [13] total 17 [2021-12-28 00:52:35,016 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102932438] [2021-12-28 00:52:35,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 00:52:35,016 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 00:52:35,016 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 00:52:35,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 00:52:35,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=238, Unknown=0, NotChecked=0, Total=272 [2021-12-28 00:52:35,017 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) [2021-12-28 00:52:35,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 00:52:35,138 INFO L93 Difference]: Finished difference Result 2557 states and 3778 transitions. [2021-12-28 00:52:35,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-28 00:52:35,139 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 [2021-12-28 00:52:35,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 00:52:35,144 INFO L225 Difference]: With dead ends: 2557 [2021-12-28 00:52:35,144 INFO L226 Difference]: Without dead ends: 1325 [2021-12-28 00:52:35,147 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 [2021-12-28 00:52:35,147 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 [2021-12-28 00:52:35,147 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] [2021-12-28 00:52:35,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1325 states. [2021-12-28 00:52:35,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1325 to 1325. [2021-12-28 00:52:35,223 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) [2021-12-28 00:52:35,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1325 states to 1325 states and 1948 transitions. [2021-12-28 00:52:35,226 INFO L78 Accepts]: Start accepts. Automaton has 1325 states and 1948 transitions. Word has length 186 [2021-12-28 00:52:35,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 00:52:35,226 INFO L470 AbstractCegarLoop]: Abstraction has 1325 states and 1948 transitions. [2021-12-28 00:52:35,226 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) [2021-12-28 00:52:35,227 INFO L276 IsEmpty]: Start isEmpty. Operand 1325 states and 1948 transitions. [2021-12-28 00:52:35,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2021-12-28 00:52:35,229 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 00:52:35,230 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] [2021-12-28 00:52:35,257 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-12-28 00:52:35,446 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 [2021-12-28 00:52:35,447 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting incoming__before__DecryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [incoming__before__DecryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 00:52:35,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 00:52:35,447 INFO L85 PathProgramCache]: Analyzing trace with hash -2117711116, now seen corresponding path program 1 times [2021-12-28 00:52:35,447 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 00:52:35,447 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668437607] [2021-12-28 00:52:35,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 00:52:35,448 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 00:52:35,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:35,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 00:52:35,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:35,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-28 00:52:35,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:35,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-28 00:52:35,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:35,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 00:52:35,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:35,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 00:52:35,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:35,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-28 00:52:35,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:35,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-28 00:52:35,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:35,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-28 00:52:35,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:35,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 00:52:35,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:35,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 00:52:35,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:35,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-28 00:52:35,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:35,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-12-28 00:52:35,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:35,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 00:52:35,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:35,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-28 00:52:35,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:35,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-28 00:52:35,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:35,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 00:52:35,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:35,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-28 00:52:35,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:35,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-12-28 00:52:35,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:35,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-28 00:52:35,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:35,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-28 00:52:35,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:35,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-28 00:52:35,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:35,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-12-28 00:52:35,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:35,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-12-28 00:52:35,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:35,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 00:52:35,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:35,579 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2021-12-28 00:52:35,579 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 00:52:35,580 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668437607] [2021-12-28 00:52:35,580 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [668437607] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 00:52:35,580 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 00:52:35,580 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-12-28 00:52:35,580 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490322681] [2021-12-28 00:52:35,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 00:52:35,581 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-12-28 00:52:35,581 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 00:52:35,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-12-28 00:52:35,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-12-28 00:52:35,581 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) [2021-12-28 00:52:38,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 00:52:38,247 INFO L93 Difference]: Finished difference Result 2785 states and 4231 transitions. [2021-12-28 00:52:38,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-12-28 00:52:38,247 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 [2021-12-28 00:52:38,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 00:52:38,254 INFO L225 Difference]: With dead ends: 2785 [2021-12-28 00:52:38,254 INFO L226 Difference]: Without dead ends: 1577 [2021-12-28 00:52:38,258 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 [2021-12-28 00:52:38,258 INFO L933 BasicCegarLoop]: 856 mSDtfsCounter, 2127 mSDsluCounter, 1945 mSDsCounter, 0 mSdLazyCounter, 5115 mSolverCounterSat, 870 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2127 SdHoareTripleChecker+Valid, 2801 SdHoareTripleChecker+Invalid, 5985 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 870 IncrementalHoareTripleChecker+Valid, 5115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-12-28 00:52:38,258 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2127 Valid, 2801 Invalid, 5985 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [870 Valid, 5115 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2021-12-28 00:52:38,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1577 states. [2021-12-28 00:52:38,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1577 to 1325. [2021-12-28 00:52:38,329 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) [2021-12-28 00:52:38,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1325 states to 1325 states and 1946 transitions. [2021-12-28 00:52:38,332 INFO L78 Accepts]: Start accepts. Automaton has 1325 states and 1946 transitions. Word has length 187 [2021-12-28 00:52:38,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 00:52:38,332 INFO L470 AbstractCegarLoop]: Abstraction has 1325 states and 1946 transitions. [2021-12-28 00:52:38,333 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) [2021-12-28 00:52:38,333 INFO L276 IsEmpty]: Start isEmpty. Operand 1325 states and 1946 transitions. [2021-12-28 00:52:38,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2021-12-28 00:52:38,336 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 00:52:38,336 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] [2021-12-28 00:52:38,336 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-28 00:52:38,336 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting incoming__before__DecryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [incoming__before__DecryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 00:52:38,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 00:52:38,337 INFO L85 PathProgramCache]: Analyzing trace with hash -644844056, now seen corresponding path program 2 times [2021-12-28 00:52:38,337 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 00:52:38,337 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712837078] [2021-12-28 00:52:38,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 00:52:38,337 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 00:52:38,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:38,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 00:52:38,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:38,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-28 00:52:38,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:38,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-28 00:52:38,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:38,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 00:52:38,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:38,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 00:52:38,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:38,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-28 00:52:38,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:38,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-28 00:52:38,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:38,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-28 00:52:38,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:38,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 00:52:38,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:38,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 00:52:38,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:38,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-28 00:52:38,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:38,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-12-28 00:52:38,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:38,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 00:52:38,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:38,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-28 00:52:38,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:38,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-28 00:52:38,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:38,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 00:52:38,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:38,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-28 00:52:38,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:38,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-28 00:52:38,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:38,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-12-28 00:52:38,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:38,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-12-28 00:52:38,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:38,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2021-12-28 00:52:38,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:38,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-28 00:52:38,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:38,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2021-12-28 00:52:38,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:38,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 00:52:38,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:38,470 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2021-12-28 00:52:38,470 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 00:52:38,471 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712837078] [2021-12-28 00:52:38,471 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1712837078] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 00:52:38,471 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 00:52:38,471 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-12-28 00:52:38,471 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803831277] [2021-12-28 00:52:38,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 00:52:38,471 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-12-28 00:52:38,472 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 00:52:38,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-12-28 00:52:38,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-12-28 00:52:38,472 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) [2021-12-28 00:52:40,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 00:52:40,924 INFO L93 Difference]: Finished difference Result 2789 states and 4237 transitions. [2021-12-28 00:52:40,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-12-28 00:52:40,924 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 [2021-12-28 00:52:40,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 00:52:40,965 INFO L225 Difference]: With dead ends: 2789 [2021-12-28 00:52:40,965 INFO L226 Difference]: Without dead ends: 1581 [2021-12-28 00:52:40,969 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 [2021-12-28 00:52:40,970 INFO L933 BasicCegarLoop]: 857 mSDtfsCounter, 2122 mSDsluCounter, 1945 mSDsCounter, 0 mSdLazyCounter, 5147 mSolverCounterSat, 867 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2122 SdHoareTripleChecker+Valid, 2802 SdHoareTripleChecker+Invalid, 6014 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 867 IncrementalHoareTripleChecker+Valid, 5147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-12-28 00:52:40,970 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2122 Valid, 2802 Invalid, 6014 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [867 Valid, 5147 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-12-28 00:52:40,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1581 states. [2021-12-28 00:52:41,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1581 to 1329. [2021-12-28 00:52:41,056 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) [2021-12-28 00:52:41,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1329 states to 1329 states and 1952 transitions. [2021-12-28 00:52:41,059 INFO L78 Accepts]: Start accepts. Automaton has 1329 states and 1952 transitions. Word has length 188 [2021-12-28 00:52:41,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 00:52:41,059 INFO L470 AbstractCegarLoop]: Abstraction has 1329 states and 1952 transitions. [2021-12-28 00:52:41,060 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) [2021-12-28 00:52:41,060 INFO L276 IsEmpty]: Start isEmpty. Operand 1329 states and 1952 transitions. [2021-12-28 00:52:41,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2021-12-28 00:52:41,067 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 00:52:41,067 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] [2021-12-28 00:52:41,067 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-28 00:52:41,068 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting incoming__before__DecryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [incoming__before__DecryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 00:52:41,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 00:52:41,068 INFO L85 PathProgramCache]: Analyzing trace with hash 137527929, now seen corresponding path program 1 times [2021-12-28 00:52:41,068 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 00:52:41,068 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316429475] [2021-12-28 00:52:41,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 00:52:41,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 00:52:41,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:41,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 00:52:41,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:41,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-28 00:52:41,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:41,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-28 00:52:41,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:41,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 00:52:41,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:41,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 00:52:41,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:41,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-28 00:52:41,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:41,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-28 00:52:41,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:41,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-28 00:52:41,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:41,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 00:52:41,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:41,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 00:52:41,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:41,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-28 00:52:41,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:41,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-12-28 00:52:41,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:41,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 00:52:41,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:41,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-28 00:52:41,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:41,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-28 00:52:41,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:41,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 00:52:41,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:41,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-28 00:52:41,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:41,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-12-28 00:52:41,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:41,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-28 00:52:41,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:41,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-12-28 00:52:41,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:41,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-12-28 00:52:41,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:41,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-12-28 00:52:41,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:41,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-28 00:52:41,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:41,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 00:52:41,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:41,203 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2021-12-28 00:52:41,203 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 00:52:41,203 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316429475] [2021-12-28 00:52:41,203 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1316429475] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 00:52:41,204 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 00:52:41,204 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-12-28 00:52:41,204 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179545369] [2021-12-28 00:52:41,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 00:52:41,205 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-12-28 00:52:41,205 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 00:52:41,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-12-28 00:52:41,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2021-12-28 00:52:41,206 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) [2021-12-28 00:52:43,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 00:52:43,844 INFO L93 Difference]: Finished difference Result 3229 states and 4975 transitions. [2021-12-28 00:52:43,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-12-28 00:52:43,846 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 [2021-12-28 00:52:43,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 00:52:43,855 INFO L225 Difference]: With dead ends: 3229 [2021-12-28 00:52:43,855 INFO L226 Difference]: Without dead ends: 2027 [2021-12-28 00:52:43,858 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=141, Invalid=561, Unknown=0, NotChecked=0, Total=702 [2021-12-28 00:52:43,860 INFO L933 BasicCegarLoop]: 1041 mSDtfsCounter, 1973 mSDsluCounter, 4311 mSDsCounter, 0 mSdLazyCounter, 6161 mSolverCounterSat, 854 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1993 SdHoareTripleChecker+Valid, 5352 SdHoareTripleChecker+Invalid, 7015 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 854 IncrementalHoareTripleChecker+Valid, 6161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-12-28 00:52:43,860 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1993 Valid, 5352 Invalid, 7015 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [854 Valid, 6161 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2021-12-28 00:52:43,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2027 states. [2021-12-28 00:52:43,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2027 to 1339. [2021-12-28 00:52:43,952 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) [2021-12-28 00:52:43,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1339 states to 1339 states and 1968 transitions. [2021-12-28 00:52:43,956 INFO L78 Accepts]: Start accepts. Automaton has 1339 states and 1968 transitions. Word has length 189 [2021-12-28 00:52:43,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 00:52:43,956 INFO L470 AbstractCegarLoop]: Abstraction has 1339 states and 1968 transitions. [2021-12-28 00:52:43,956 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) [2021-12-28 00:52:43,956 INFO L276 IsEmpty]: Start isEmpty. Operand 1339 states and 1968 transitions. [2021-12-28 00:52:43,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2021-12-28 00:52:43,960 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 00:52:43,960 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] [2021-12-28 00:52:43,960 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-12-28 00:52:43,960 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting incoming__before__DecryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [incoming__before__DecryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 00:52:43,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 00:52:43,961 INFO L85 PathProgramCache]: Analyzing trace with hash -633205637, now seen corresponding path program 1 times [2021-12-28 00:52:43,961 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 00:52:43,961 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148231281] [2021-12-28 00:52:43,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 00:52:43,961 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 00:52:43,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:44,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 00:52:44,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:44,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-28 00:52:44,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:44,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-28 00:52:44,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:44,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 00:52:44,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:44,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 00:52:44,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:44,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-28 00:52:44,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:44,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-28 00:52:44,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:44,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-28 00:52:44,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:44,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 00:52:44,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:44,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 00:52:44,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:44,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-28 00:52:44,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:44,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-12-28 00:52:44,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:44,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 00:52:44,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:44,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-28 00:52:44,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:44,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-28 00:52:44,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:44,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 00:52:44,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:44,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-28 00:52:44,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:44,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-12-28 00:52:44,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:44,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-28 00:52:44,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:44,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-12-28 00:52:44,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:44,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-12-28 00:52:44,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:44,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-12-28 00:52:44,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:44,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-28 00:52:44,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:44,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 00:52:44,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:44,106 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2021-12-28 00:52:44,106 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 00:52:44,106 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148231281] [2021-12-28 00:52:44,106 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1148231281] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 00:52:44,106 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 00:52:44,107 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-12-28 00:52:44,107 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979540653] [2021-12-28 00:52:44,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 00:52:44,107 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-12-28 00:52:44,107 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 00:52:44,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-12-28 00:52:44,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-12-28 00:52:44,108 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) [2021-12-28 00:52:45,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 00:52:45,892 INFO L93 Difference]: Finished difference Result 2785 states and 4229 transitions. [2021-12-28 00:52:45,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-12-28 00:52:45,892 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 [2021-12-28 00:52:45,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 00:52:45,921 INFO L225 Difference]: With dead ends: 2785 [2021-12-28 00:52:45,922 INFO L226 Difference]: Without dead ends: 1577 [2021-12-28 00:52:45,924 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 [2021-12-28 00:52:45,925 INFO L933 BasicCegarLoop]: 858 mSDtfsCounter, 2139 mSDsluCounter, 1945 mSDsCounter, 0 mSdLazyCounter, 5078 mSolverCounterSat, 894 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2139 SdHoareTripleChecker+Valid, 2803 SdHoareTripleChecker+Invalid, 5972 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 894 IncrementalHoareTripleChecker+Valid, 5078 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-12-28 00:52:45,925 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2139 Valid, 2803 Invalid, 5972 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [894 Valid, 5078 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-12-28 00:52:45,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1577 states. [2021-12-28 00:52:45,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1577 to 1329. [2021-12-28 00:52:45,991 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) [2021-12-28 00:52:45,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1329 states to 1329 states and 1950 transitions. [2021-12-28 00:52:45,994 INFO L78 Accepts]: Start accepts. Automaton has 1329 states and 1950 transitions. Word has length 189 [2021-12-28 00:52:45,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 00:52:45,994 INFO L470 AbstractCegarLoop]: Abstraction has 1329 states and 1950 transitions. [2021-12-28 00:52:45,994 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) [2021-12-28 00:52:45,994 INFO L276 IsEmpty]: Start isEmpty. Operand 1329 states and 1950 transitions. [2021-12-28 00:52:45,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2021-12-28 00:52:45,997 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 00:52:45,997 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] [2021-12-28 00:52:45,997 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-12-28 00:52:45,998 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting incoming__before__DecryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [incoming__before__DecryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 00:52:45,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 00:52:45,999 INFO L85 PathProgramCache]: Analyzing trace with hash -902281238, now seen corresponding path program 2 times [2021-12-28 00:52:45,999 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 00:52:45,999 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164990151] [2021-12-28 00:52:45,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 00:52:45,999 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 00:52:46,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:46,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 00:52:46,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:46,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-28 00:52:46,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:46,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-28 00:52:46,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:46,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 00:52:46,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:46,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 00:52:46,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:46,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-28 00:52:46,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:46,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-28 00:52:46,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:46,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-28 00:52:46,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:46,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 00:52:46,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:46,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 00:52:46,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:46,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-28 00:52:46,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:46,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-12-28 00:52:46,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:46,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 00:52:46,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:46,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-28 00:52:46,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:46,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-28 00:52:46,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:46,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 00:52:46,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:46,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-28 00:52:46,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:46,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-28 00:52:46,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:46,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-12-28 00:52:46,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:46,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-28 00:52:46,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:46,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-12-28 00:52:46,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:46,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-12-28 00:52:46,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:46,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-28 00:52:46,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:46,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 00:52:46,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:46,187 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2021-12-28 00:52:46,188 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 00:52:46,188 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [164990151] [2021-12-28 00:52:46,188 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [164990151] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 00:52:46,188 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 00:52:46,188 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-12-28 00:52:46,188 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683232975] [2021-12-28 00:52:46,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 00:52:46,189 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-12-28 00:52:46,189 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 00:52:46,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-12-28 00:52:46,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2021-12-28 00:52:46,189 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) [2021-12-28 00:52:48,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 00:52:48,844 INFO L93 Difference]: Finished difference Result 2783 states and 4231 transitions. [2021-12-28 00:52:48,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-12-28 00:52:48,844 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 [2021-12-28 00:52:48,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 00:52:48,850 INFO L225 Difference]: With dead ends: 2783 [2021-12-28 00:52:48,850 INFO L226 Difference]: Without dead ends: 1581 [2021-12-28 00:52:48,852 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=141, Invalid=561, Unknown=0, NotChecked=0, Total=702 [2021-12-28 00:52:48,853 INFO L933 BasicCegarLoop]: 841 mSDtfsCounter, 1961 mSDsluCounter, 2364 mSDsCounter, 0 mSdLazyCounter, 5889 mSolverCounterSat, 862 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1981 SdHoareTripleChecker+Valid, 3205 SdHoareTripleChecker+Invalid, 6751 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 862 IncrementalHoareTripleChecker+Valid, 5889 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-12-28 00:52:48,854 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1981 Valid, 3205 Invalid, 6751 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [862 Valid, 5889 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2021-12-28 00:52:48,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1581 states. [2021-12-28 00:52:48,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1581 to 1333. [2021-12-28 00:52:48,914 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) [2021-12-28 00:52:48,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1333 states to 1333 states and 1962 transitions. [2021-12-28 00:52:48,918 INFO L78 Accepts]: Start accepts. Automaton has 1333 states and 1962 transitions. Word has length 190 [2021-12-28 00:52:48,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 00:52:48,918 INFO L470 AbstractCegarLoop]: Abstraction has 1333 states and 1962 transitions. [2021-12-28 00:52:48,919 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) [2021-12-28 00:52:48,919 INFO L276 IsEmpty]: Start isEmpty. Operand 1333 states and 1962 transitions. [2021-12-28 00:52:48,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2021-12-28 00:52:48,921 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 00:52:48,922 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] [2021-12-28 00:52:48,922 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-12-28 00:52:48,922 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting incoming__before__DecryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [incoming__before__DecryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 00:52:48,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 00:52:48,922 INFO L85 PathProgramCache]: Analyzing trace with hash 845300532, now seen corresponding path program 1 times [2021-12-28 00:52:48,922 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 00:52:48,922 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248110067] [2021-12-28 00:52:48,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 00:52:48,923 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 00:52:48,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:48,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 00:52:48,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:48,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-28 00:52:48,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:48,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-28 00:52:48,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:48,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 00:52:48,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:48,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 00:52:48,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:48,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-28 00:52:48,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:48,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-28 00:52:48,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:48,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-28 00:52:48,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:48,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 00:52:48,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:48,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 00:52:48,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:49,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-28 00:52:49,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:49,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-12-28 00:52:49,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:49,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 00:52:49,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:49,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-28 00:52:49,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:49,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-28 00:52:49,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:49,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 00:52:49,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:49,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-28 00:52:49,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:49,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-12-28 00:52:49,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:49,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-28 00:52:49,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:49,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-28 00:52:49,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:49,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-28 00:52:49,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:49,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-28 00:52:49,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:49,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-28 00:52:49,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:49,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 00:52:49,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:49,035 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2021-12-28 00:52:49,035 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 00:52:49,035 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248110067] [2021-12-28 00:52:49,035 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1248110067] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-28 00:52:49,035 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [281633170] [2021-12-28 00:52:49,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 00:52:49,036 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-28 00:52:49,036 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 00:52:49,037 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) [2021-12-28 00:52:49,065 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-12-28 00:52:49,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:49,323 INFO L263 TraceCheckSpWp]: Trace formula consists of 1516 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-28 00:52:49,327 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-28 00:52:49,578 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2021-12-28 00:52:49,579 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-28 00:52:49,890 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2021-12-28 00:52:49,890 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [281633170] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-28 00:52:49,890 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-28 00:52:49,890 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 11 [2021-12-28 00:52:49,890 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595832406] [2021-12-28 00:52:49,890 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-28 00:52:49,891 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-12-28 00:52:49,891 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 00:52:49,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-28 00:52:49,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-12-28 00:52:49,892 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) [2021-12-28 00:52:51,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 00:52:51,690 INFO L93 Difference]: Finished difference Result 3331 states and 5209 transitions. [2021-12-28 00:52:51,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-28 00:52:51,691 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 [2021-12-28 00:52:51,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 00:52:51,700 INFO L225 Difference]: With dead ends: 3331 [2021-12-28 00:52:51,701 INFO L226 Difference]: Without dead ends: 2707 [2021-12-28 00:52:51,703 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 [2021-12-28 00:52:51,703 INFO L933 BasicCegarLoop]: 949 mSDtfsCounter, 2448 mSDsluCounter, 2041 mSDsCounter, 0 mSdLazyCounter, 3245 mSolverCounterSat, 1011 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2505 SdHoareTripleChecker+Valid, 2990 SdHoareTripleChecker+Invalid, 4256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1011 IncrementalHoareTripleChecker+Valid, 3245 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-12-28 00:52:51,703 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2505 Valid, 2990 Invalid, 4256 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1011 Valid, 3245 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-12-28 00:52:51,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2707 states. [2021-12-28 00:52:51,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2707 to 2411. [2021-12-28 00:52:51,834 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) [2021-12-28 00:52:51,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2411 states to 2411 states and 3746 transitions. [2021-12-28 00:52:51,839 INFO L78 Accepts]: Start accepts. Automaton has 2411 states and 3746 transitions. Word has length 191 [2021-12-28 00:52:51,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 00:52:51,839 INFO L470 AbstractCegarLoop]: Abstraction has 2411 states and 3746 transitions. [2021-12-28 00:52:51,840 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) [2021-12-28 00:52:51,840 INFO L276 IsEmpty]: Start isEmpty. Operand 2411 states and 3746 transitions. [2021-12-28 00:52:51,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2021-12-28 00:52:51,849 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 00:52:51,849 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] [2021-12-28 00:52:51,869 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-12-28 00:52:52,068 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 [2021-12-28 00:52:52,069 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting incoming__before__DecryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [incoming__before__DecryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 00:52:52,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 00:52:52,069 INFO L85 PathProgramCache]: Analyzing trace with hash 906478418, now seen corresponding path program 1 times [2021-12-28 00:52:52,069 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 00:52:52,069 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368903947] [2021-12-28 00:52:52,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 00:52:52,069 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 00:52:52,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:52,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 00:52:52,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:52,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-28 00:52:52,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:52,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-28 00:52:52,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:52,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 00:52:52,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:52,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 00:52:52,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:52,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-28 00:52:52,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:52,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-28 00:52:52,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:52,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-28 00:52:52,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:52,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 00:52:52,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:52,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 00:52:52,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:52,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-28 00:52:52,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:52,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-12-28 00:52:52,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:52,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 00:52:52,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:52,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-28 00:52:52,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:52,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-28 00:52:52,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:52,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 00:52:52,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:52,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-28 00:52:52,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:52,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-12-28 00:52:52,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:52,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-12-28 00:52:52,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:52,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-28 00:52:52,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:52,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-12-28 00:52:52,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:52,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-12-28 00:52:52,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:52,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-12-28 00:52:52,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:52,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 00:52:52,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:52,180 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2021-12-28 00:52:52,180 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 00:52:52,180 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368903947] [2021-12-28 00:52:52,180 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1368903947] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 00:52:52,180 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 00:52:52,180 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-28 00:52:52,180 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352651621] [2021-12-28 00:52:52,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 00:52:52,181 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-28 00:52:52,182 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 00:52:52,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-28 00:52:52,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-28 00:52:52,183 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) [2021-12-28 00:52:53,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 00:52:53,622 INFO L93 Difference]: Finished difference Result 5845 states and 9369 transitions. [2021-12-28 00:52:53,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-28 00:52:53,622 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 [2021-12-28 00:52:53,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 00:52:53,644 INFO L225 Difference]: With dead ends: 5845 [2021-12-28 00:52:53,644 INFO L226 Difference]: Without dead ends: 3677 [2021-12-28 00:52:53,650 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 [2021-12-28 00:52:53,650 INFO L933 BasicCegarLoop]: 893 mSDtfsCounter, 1936 mSDsluCounter, 1081 mSDsCounter, 0 mSdLazyCounter, 1408 mSolverCounterSat, 880 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1954 SdHoareTripleChecker+Valid, 1974 SdHoareTripleChecker+Invalid, 2288 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 880 IncrementalHoareTripleChecker+Valid, 1408 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-12-28 00:52:53,651 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1954 Valid, 1974 Invalid, 2288 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [880 Valid, 1408 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-12-28 00:52:53,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3677 states. [2021-12-28 00:52:53,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3677 to 3413. [2021-12-28 00:52:53,815 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) [2021-12-28 00:52:53,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3413 states to 3413 states and 5394 transitions. [2021-12-28 00:52:53,822 INFO L78 Accepts]: Start accepts. Automaton has 3413 states and 5394 transitions. Word has length 195 [2021-12-28 00:52:53,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 00:52:53,823 INFO L470 AbstractCegarLoop]: Abstraction has 3413 states and 5394 transitions. [2021-12-28 00:52:53,823 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) [2021-12-28 00:52:53,823 INFO L276 IsEmpty]: Start isEmpty. Operand 3413 states and 5394 transitions. [2021-12-28 00:52:53,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2021-12-28 00:52:53,833 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 00:52:53,834 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] [2021-12-28 00:52:53,834 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-12-28 00:52:53,834 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting incoming__before__DecryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [incoming__before__DecryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 00:52:53,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 00:52:53,834 INFO L85 PathProgramCache]: Analyzing trace with hash 402995652, now seen corresponding path program 1 times [2021-12-28 00:52:53,834 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 00:52:53,835 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191298924] [2021-12-28 00:52:53,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 00:52:53,835 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 00:52:53,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:53,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 00:52:53,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:53,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-28 00:52:53,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:53,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-28 00:52:53,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:53,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 00:52:53,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:53,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 00:52:53,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:53,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-28 00:52:53,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:53,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-28 00:52:53,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:53,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-28 00:52:53,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:53,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 00:52:53,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:53,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 00:52:53,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:53,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-28 00:52:53,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:53,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-12-28 00:52:53,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:53,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 00:52:53,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:53,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-28 00:52:53,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:53,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-28 00:52:53,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:53,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 00:52:53,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:53,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-28 00:52:53,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:53,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-28 00:52:53,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:53,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-12-28 00:52:53,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:53,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-12-28 00:52:53,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:53,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-12-28 00:52:53,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:53,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-28 00:52:53,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:53,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2021-12-28 00:52:53,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:53,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 00:52:53,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:53,933 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2021-12-28 00:52:53,934 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 00:52:53,934 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191298924] [2021-12-28 00:52:53,934 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1191298924] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 00:52:53,934 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 00:52:53,934 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-28 00:52:53,934 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728363055] [2021-12-28 00:52:53,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 00:52:53,936 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-28 00:52:53,936 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 00:52:53,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-28 00:52:53,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-28 00:52:53,937 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) [2021-12-28 00:52:55,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 00:52:55,308 INFO L93 Difference]: Finished difference Result 8339 states and 13483 transitions. [2021-12-28 00:52:55,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-28 00:52:55,308 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 [2021-12-28 00:52:55,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 00:52:55,345 INFO L225 Difference]: With dead ends: 8339 [2021-12-28 00:52:55,359 INFO L226 Difference]: Without dead ends: 5295 [2021-12-28 00:52:55,366 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 [2021-12-28 00:52:55,366 INFO L933 BasicCegarLoop]: 869 mSDtfsCounter, 1965 mSDsluCounter, 1072 mSDsCounter, 0 mSdLazyCounter, 1357 mSolverCounterSat, 892 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1984 SdHoareTripleChecker+Valid, 1941 SdHoareTripleChecker+Invalid, 2249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 892 IncrementalHoareTripleChecker+Valid, 1357 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-12-28 00:52:55,367 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1984 Valid, 1941 Invalid, 2249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [892 Valid, 1357 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-12-28 00:52:55,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5295 states. [2021-12-28 00:52:55,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5295 to 5031. [2021-12-28 00:52:55,623 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) [2021-12-28 00:52:55,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5031 states to 5031 states and 8030 transitions. [2021-12-28 00:52:55,634 INFO L78 Accepts]: Start accepts. Automaton has 5031 states and 8030 transitions. Word has length 196 [2021-12-28 00:52:55,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 00:52:55,634 INFO L470 AbstractCegarLoop]: Abstraction has 5031 states and 8030 transitions. [2021-12-28 00:52:55,635 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) [2021-12-28 00:52:55,635 INFO L276 IsEmpty]: Start isEmpty. Operand 5031 states and 8030 transitions. [2021-12-28 00:52:55,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2021-12-28 00:52:55,650 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 00:52:55,650 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] [2021-12-28 00:52:55,650 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-12-28 00:52:55,650 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting incoming__before__DecryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [incoming__before__DecryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 00:52:55,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 00:52:55,651 INFO L85 PathProgramCache]: Analyzing trace with hash -1722677895, now seen corresponding path program 1 times [2021-12-28 00:52:55,651 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 00:52:55,651 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751242346] [2021-12-28 00:52:55,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 00:52:55,651 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 00:52:55,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:55,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 00:52:55,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:55,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-28 00:52:55,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:55,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-28 00:52:55,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:55,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 00:52:55,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:55,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 00:52:55,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:55,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-28 00:52:55,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:55,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-28 00:52:55,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:55,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-28 00:52:55,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:55,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 00:52:55,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:55,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 00:52:55,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:55,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-28 00:52:55,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:55,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-12-28 00:52:55,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:55,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 00:52:55,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:55,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-28 00:52:55,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:55,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-28 00:52:55,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:55,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 00:52:55,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:55,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-28 00:52:55,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:55,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-28 00:52:55,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:55,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-28 00:52:55,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:55,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-28 00:52:55,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:55,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-28 00:52:55,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:55,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-12-28 00:52:55,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:55,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2021-12-28 00:52:55,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:55,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 00:52:55,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:55,771 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2021-12-28 00:52:55,772 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 00:52:55,772 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751242346] [2021-12-28 00:52:55,772 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1751242346] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 00:52:55,772 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 00:52:55,772 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-28 00:52:55,772 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051686102] [2021-12-28 00:52:55,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 00:52:55,772 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-28 00:52:55,772 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 00:52:55,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-28 00:52:55,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-28 00:52:55,773 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) [2021-12-28 00:52:57,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 00:52:57,167 INFO L93 Difference]: Finished difference Result 12137 states and 19797 transitions. [2021-12-28 00:52:57,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-28 00:52:57,183 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 [2021-12-28 00:52:57,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 00:52:57,218 INFO L225 Difference]: With dead ends: 12137 [2021-12-28 00:52:57,231 INFO L226 Difference]: Without dead ends: 7789 [2021-12-28 00:52:57,240 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2021-12-28 00:52:57,242 INFO L933 BasicCegarLoop]: 878 mSDtfsCounter, 1954 mSDsluCounter, 1071 mSDsCounter, 0 mSdLazyCounter, 1350 mSolverCounterSat, 894 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1973 SdHoareTripleChecker+Valid, 1949 SdHoareTripleChecker+Invalid, 2244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 894 IncrementalHoareTripleChecker+Valid, 1350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-12-28 00:52:57,242 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1973 Valid, 1949 Invalid, 2244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [894 Valid, 1350 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-12-28 00:52:57,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7789 states. [2021-12-28 00:52:57,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7789 to 7525. [2021-12-28 00:52:57,582 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) [2021-12-28 00:52:57,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7525 states to 7525 states and 12118 transitions. [2021-12-28 00:52:57,599 INFO L78 Accepts]: Start accepts. Automaton has 7525 states and 12118 transitions. Word has length 197 [2021-12-28 00:52:57,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 00:52:57,600 INFO L470 AbstractCegarLoop]: Abstraction has 7525 states and 12118 transitions. [2021-12-28 00:52:57,600 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) [2021-12-28 00:52:57,600 INFO L276 IsEmpty]: Start isEmpty. Operand 7525 states and 12118 transitions. [2021-12-28 00:52:57,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2021-12-28 00:52:57,618 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 00:52:57,618 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] [2021-12-28 00:52:57,618 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-12-28 00:52:57,619 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting incoming__before__DecryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [incoming__before__DecryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 00:52:57,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 00:52:57,619 INFO L85 PathProgramCache]: Analyzing trace with hash 1204866252, now seen corresponding path program 1 times [2021-12-28 00:52:57,619 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 00:52:57,619 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137201335] [2021-12-28 00:52:57,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 00:52:57,619 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 00:52:57,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:57,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 00:52:57,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:57,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-28 00:52:57,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:57,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-28 00:52:57,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:57,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 00:52:57,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:57,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 00:52:57,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:57,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-28 00:52:57,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:57,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-28 00:52:57,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:57,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-28 00:52:57,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:57,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 00:52:57,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:57,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 00:52:57,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:57,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-28 00:52:57,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:57,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-12-28 00:52:57,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:57,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 00:52:57,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:57,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-28 00:52:57,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:57,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-28 00:52:57,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:57,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 00:52:57,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:57,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-28 00:52:57,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:57,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-12-28 00:52:57,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:57,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-12-28 00:52:57,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:57,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-12-28 00:52:57,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:57,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-28 00:52:57,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:57,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2021-12-28 00:52:57,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:57,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2021-12-28 00:52:57,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:57,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 00:52:57,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:52:57,717 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2021-12-28 00:52:57,717 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 00:52:57,717 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2137201335] [2021-12-28 00:52:57,718 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2137201335] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 00:52:57,718 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 00:52:57,718 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-28 00:52:57,718 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93347819] [2021-12-28 00:52:57,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 00:52:57,718 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-28 00:52:57,718 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 00:52:57,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-28 00:52:57,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-28 00:52:57,719 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) [2021-12-28 00:52:59,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 00:52:59,447 INFO L93 Difference]: Finished difference Result 18141 states and 29815 transitions. [2021-12-28 00:52:59,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-28 00:52:59,448 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 [2021-12-28 00:52:59,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 00:52:59,485 INFO L225 Difference]: With dead ends: 18141 [2021-12-28 00:52:59,485 INFO L226 Difference]: Without dead ends: 11817 [2021-12-28 00:52:59,504 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 [2021-12-28 00:52:59,505 INFO L933 BasicCegarLoop]: 880 mSDtfsCounter, 1952 mSDsluCounter, 1071 mSDsCounter, 0 mSdLazyCounter, 1346 mSolverCounterSat, 901 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1970 SdHoareTripleChecker+Valid, 1951 SdHoareTripleChecker+Invalid, 2247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 901 IncrementalHoareTripleChecker+Valid, 1346 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-12-28 00:52:59,505 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1970 Valid, 1951 Invalid, 2247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [901 Valid, 1346 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-12-28 00:52:59,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11817 states. [2021-12-28 00:52:59,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11817 to 11553. [2021-12-28 00:53:00,010 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) [2021-12-28 00:53:00,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11553 states to 11553 states and 18722 transitions. [2021-12-28 00:53:00,039 INFO L78 Accepts]: Start accepts. Automaton has 11553 states and 18722 transitions. Word has length 198 [2021-12-28 00:53:00,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 00:53:00,039 INFO L470 AbstractCegarLoop]: Abstraction has 11553 states and 18722 transitions. [2021-12-28 00:53:00,039 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) [2021-12-28 00:53:00,039 INFO L276 IsEmpty]: Start isEmpty. Operand 11553 states and 18722 transitions. [2021-12-28 00:53:00,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2021-12-28 00:53:00,067 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 00:53:00,067 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] [2021-12-28 00:53:00,067 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-12-28 00:53:00,068 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting incoming__before__DecryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [incoming__before__DecryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 00:53:00,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 00:53:00,069 INFO L85 PathProgramCache]: Analyzing trace with hash 2128777678, now seen corresponding path program 1 times [2021-12-28 00:53:00,069 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 00:53:00,069 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779017624] [2021-12-28 00:53:00,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 00:53:00,069 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 00:53:00,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:53:00,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 00:53:00,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:53:00,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-28 00:53:00,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:53:00,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-28 00:53:00,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:53:00,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 00:53:00,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:53:00,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 00:53:00,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:53:00,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-28 00:53:00,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:53:00,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-28 00:53:00,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:53:00,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-28 00:53:00,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:53:00,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 00:53:00,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:53:00,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 00:53:00,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:53:00,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-28 00:53:00,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:53:00,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-12-28 00:53:00,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:53:00,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 00:53:00,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:53:00,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-28 00:53:00,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:53:00,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-28 00:53:00,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:53:00,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 00:53:00,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:53:00,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-28 00:53:00,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:53:00,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-28 00:53:00,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:53:00,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-12-28 00:53:00,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:53:00,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-12-28 00:53:00,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:53:00,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-28 00:53:00,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:53:00,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-28 00:53:00,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:53:00,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-28 00:53:00,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:53:00,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 00:53:00,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:53:00,249 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2021-12-28 00:53:00,249 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 00:53:00,249 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [779017624] [2021-12-28 00:53:00,249 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [779017624] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 00:53:00,249 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 00:53:00,249 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-28 00:53:00,249 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752971392] [2021-12-28 00:53:00,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 00:53:00,250 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-28 00:53:00,250 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 00:53:00,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-28 00:53:00,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-28 00:53:00,251 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) [2021-12-28 00:53:02,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 00:53:02,067 INFO L93 Difference]: Finished difference Result 28127 states and 46411 transitions. [2021-12-28 00:53:02,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-28 00:53:02,069 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 [2021-12-28 00:53:02,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 00:53:02,124 INFO L225 Difference]: With dead ends: 28127 [2021-12-28 00:53:02,124 INFO L226 Difference]: Without dead ends: 18567 [2021-12-28 00:53:02,144 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 [2021-12-28 00:53:02,145 INFO L933 BasicCegarLoop]: 898 mSDtfsCounter, 1950 mSDsluCounter, 1106 mSDsCounter, 0 mSdLazyCounter, 1388 mSolverCounterSat, 903 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1968 SdHoareTripleChecker+Valid, 2004 SdHoareTripleChecker+Invalid, 2291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 903 IncrementalHoareTripleChecker+Valid, 1388 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-12-28 00:53:02,145 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1968 Valid, 2004 Invalid, 2291 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [903 Valid, 1388 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-12-28 00:53:02,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18567 states. [2021-12-28 00:53:02,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18567 to 18303. [2021-12-28 00:53:02,918 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) [2021-12-28 00:53:02,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18303 states to 18303 states and 29730 transitions. [2021-12-28 00:53:02,968 INFO L78 Accepts]: Start accepts. Automaton has 18303 states and 29730 transitions. Word has length 199 [2021-12-28 00:53:02,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 00:53:02,969 INFO L470 AbstractCegarLoop]: Abstraction has 18303 states and 29730 transitions. [2021-12-28 00:53:02,969 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) [2021-12-28 00:53:02,969 INFO L276 IsEmpty]: Start isEmpty. Operand 18303 states and 29730 transitions. [2021-12-28 00:53:02,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2021-12-28 00:53:02,996 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 00:53:02,996 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] [2021-12-28 00:53:02,996 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-12-28 00:53:02,996 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting incoming__before__DecryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [incoming__before__DecryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 00:53:02,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 00:53:02,997 INFO L85 PathProgramCache]: Analyzing trace with hash 1686845559, now seen corresponding path program 1 times [2021-12-28 00:53:02,997 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 00:53:02,997 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885304499] [2021-12-28 00:53:02,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 00:53:02,997 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 00:53:03,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:53:03,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 00:53:03,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:53:03,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-28 00:53:03,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:53:03,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-28 00:53:03,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:53:03,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 00:53:03,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:53:03,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 00:53:03,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:53:03,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-28 00:53:03,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:53:03,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-28 00:53:03,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:53:03,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-28 00:53:03,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:53:03,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 00:53:03,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:53:03,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 00:53:03,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:53:03,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-28 00:53:03,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:53:03,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-12-28 00:53:03,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:53:03,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 00:53:03,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:53:03,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-28 00:53:03,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:53:03,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-28 00:53:03,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:53:03,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 00:53:03,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:53:03,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-28 00:53:03,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:53:03,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-12-28 00:53:03,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:53:03,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-28 00:53:03,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:53:03,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-28 00:53:03,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:53:03,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-12-28 00:53:03,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:53:03,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-28 00:53:03,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:53:03,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-28 00:53:03,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:53:03,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 00:53:03,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:53:03,095 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2021-12-28 00:53:03,095 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 00:53:03,096 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885304499] [2021-12-28 00:53:03,096 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [885304499] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 00:53:03,096 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 00:53:03,096 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-28 00:53:03,096 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109456125] [2021-12-28 00:53:03,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 00:53:03,097 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-28 00:53:03,097 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 00:53:03,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-28 00:53:03,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-28 00:53:03,097 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) [2021-12-28 00:53:05,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 00:53:05,451 INFO L93 Difference]: Finished difference Result 46033 states and 76163 transitions. [2021-12-28 00:53:05,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-28 00:53:05,452 INFO L78 Accepts]: Start accepts. Automaton has 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) Word has length 200 [2021-12-28 00:53:05,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 00:53:05,531 INFO L225 Difference]: With dead ends: 46033 [2021-12-28 00:53:05,532 INFO L226 Difference]: Without dead ends: 30715 [2021-12-28 00:53:05,557 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 [2021-12-28 00:53:05,558 INFO L933 BasicCegarLoop]: 876 mSDtfsCounter, 1957 mSDsluCounter, 1093 mSDsCounter, 0 mSdLazyCounter, 1364 mSolverCounterSat, 886 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1976 SdHoareTripleChecker+Valid, 1969 SdHoareTripleChecker+Invalid, 2250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 886 IncrementalHoareTripleChecker+Valid, 1364 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2021-12-28 00:53:05,558 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1976 Valid, 1969 Invalid, 2250 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [886 Valid, 1364 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2021-12-28 00:53:05,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30715 states. [2021-12-28 00:53:06,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30715 to 30451. [2021-12-28 00:53:06,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30451 states, 26141 states have (on average 1.5627175701006082) internal successors, (40851), 26166 states have internal predecessors, (40851), 4214 states have call successors, (4214), 87 states have call predecessors, (4214), 95 states have return successors, (4613), 4210 states have call predecessors, (4613), 4212 states have call successors, (4613) [2021-12-28 00:53:06,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30451 states to 30451 states and 49678 transitions. [2021-12-28 00:53:06,783 INFO L78 Accepts]: Start accepts. Automaton has 30451 states and 49678 transitions. Word has length 200 [2021-12-28 00:53:06,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 00:53:06,784 INFO L470 AbstractCegarLoop]: Abstraction has 30451 states and 49678 transitions. [2021-12-28 00:53:06,784 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has 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) [2021-12-28 00:53:06,784 INFO L276 IsEmpty]: Start isEmpty. Operand 30451 states and 49678 transitions. [2021-12-28 00:53:06,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2021-12-28 00:53:06,824 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 00:53:06,824 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, 1] [2021-12-28 00:53:06,824 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-12-28 00:53:06,825 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting incoming__before__DecryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [incoming__before__DecryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 00:53:06,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 00:53:06,825 INFO L85 PathProgramCache]: Analyzing trace with hash -1883314603, now seen corresponding path program 1 times [2021-12-28 00:53:06,825 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 00:53:06,825 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399254522] [2021-12-28 00:53:06,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 00:53:06,825 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 00:53:06,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:53:06,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 00:53:06,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:53:06,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-28 00:53:06,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:53:06,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-28 00:53:06,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:53:06,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 00:53:06,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:53:06,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 00:53:06,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:53:06,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-28 00:53:06,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:53:06,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-28 00:53:06,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:53:06,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-28 00:53:06,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:53:06,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 00:53:06,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:53:06,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 00:53:06,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:53:06,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-28 00:53:06,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:53:06,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-12-28 00:53:06,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:53:06,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 00:53:06,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:53:06,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-28 00:53:06,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:53:06,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-28 00:53:06,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:53:06,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 00:53:06,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:53:06,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-28 00:53:06,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:53:06,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-12-28 00:53:06,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:53:06,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-28 00:53:06,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:53:06,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-28 00:53:06,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:53:06,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-12-28 00:53:06,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:53:06,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-28 00:53:06,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:53:06,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2021-12-28 00:53:06,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:53:06,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 00:53:06,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:53:06,914 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2021-12-28 00:53:06,914 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 00:53:06,914 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399254522] [2021-12-28 00:53:06,914 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1399254522] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 00:53:06,915 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 00:53:06,915 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-28 00:53:06,915 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266807159] [2021-12-28 00:53:06,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 00:53:06,915 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-28 00:53:06,915 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 00:53:06,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-28 00:53:06,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-28 00:53:06,916 INFO L87 Difference]: Start difference. First operand 30451 states and 49678 transitions. Second operand has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 3 states have internal predecessors, (120), 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) [2021-12-28 00:53:10,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 00:53:10,056 INFO L93 Difference]: Finished difference Result 73651 states and 120931 transitions. [2021-12-28 00:53:10,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-28 00:53:10,057 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 3 states have internal predecessors, (120), 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 201 [2021-12-28 00:53:10,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 00:53:10,284 INFO L225 Difference]: With dead ends: 73651 [2021-12-28 00:53:10,284 INFO L226 Difference]: Without dead ends: 48453 [2021-12-28 00:53:10,354 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 [2021-12-28 00:53:10,355 INFO L933 BasicCegarLoop]: 891 mSDtfsCounter, 1968 mSDsluCounter, 1098 mSDsCounter, 0 mSdLazyCounter, 1369 mSolverCounterSat, 889 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1986 SdHoareTripleChecker+Valid, 1989 SdHoareTripleChecker+Invalid, 2258 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 889 IncrementalHoareTripleChecker+Valid, 1369 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2021-12-28 00:53:10,355 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1986 Valid, 1989 Invalid, 2258 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [889 Valid, 1369 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2021-12-28 00:53:10,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48453 states. [2021-12-28 00:53:12,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48453 to 48189. [2021-12-28 00:53:12,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48189 states, 41473 states have (on average 1.5356255877317773) internal successors, (63687), 41498 states have internal predecessors, (63687), 6620 states have call successors, (6620), 87 states have call predecessors, (6620), 95 states have return successors, (7307), 6616 states have call predecessors, (7307), 6618 states have call successors, (7307) [2021-12-28 00:53:12,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48189 states to 48189 states and 77614 transitions. [2021-12-28 00:53:12,613 INFO L78 Accepts]: Start accepts. Automaton has 48189 states and 77614 transitions. Word has length 201 [2021-12-28 00:53:12,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 00:53:12,614 INFO L470 AbstractCegarLoop]: Abstraction has 48189 states and 77614 transitions. [2021-12-28 00:53:12,614 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 3 states have internal predecessors, (120), 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) [2021-12-28 00:53:12,614 INFO L276 IsEmpty]: Start isEmpty. Operand 48189 states and 77614 transitions. [2021-12-28 00:53:12,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2021-12-28 00:53:12,660 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 00:53:12,660 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, 1, 1] [2021-12-28 00:53:12,660 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-12-28 00:53:12,660 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting incoming__before__DecryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [incoming__before__DecryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 00:53:12,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 00:53:12,661 INFO L85 PathProgramCache]: Analyzing trace with hash 2118223007, now seen corresponding path program 1 times [2021-12-28 00:53:12,661 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 00:53:12,661 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106255274] [2021-12-28 00:53:12,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 00:53:12,661 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 00:53:12,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:53:12,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 00:53:12,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:53:12,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-28 00:53:12,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:53:12,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-28 00:53:12,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:53:12,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 00:53:12,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:53:12,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 00:53:12,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:53:12,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-28 00:53:12,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:53:12,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-28 00:53:12,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:53:12,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-28 00:53:12,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:53:12,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 00:53:12,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:53:12,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 00:53:12,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:53:12,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-28 00:53:12,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:53:12,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-12-28 00:53:12,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:53:12,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 00:53:12,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:53:12,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-28 00:53:12,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:53:12,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-28 00:53:12,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:53:12,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 00:53:12,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:53:12,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-28 00:53:12,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:53:12,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-28 00:53:12,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:53:12,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2021-12-28 00:53:12,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:53:12,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-12-28 00:53:12,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:53:12,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-28 00:53:12,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:53:12,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-28 00:53:12,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:53:12,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-12-28 00:53:12,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:53:12,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 00:53:12,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:53:12,765 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2021-12-28 00:53:12,765 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 00:53:12,765 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106255274] [2021-12-28 00:53:12,765 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2106255274] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 00:53:12,765 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 00:53:12,766 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-28 00:53:12,766 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470054992] [2021-12-28 00:53:12,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 00:53:12,766 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-28 00:53:12,766 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 00:53:12,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-28 00:53:12,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-28 00:53:12,767 INFO L87 Difference]: Start difference. First operand 48189 states and 77614 transitions. Second operand has 7 states, 7 states have (on average 17.285714285714285) internal successors, (121), 3 states have internal predecessors, (121), 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) [2021-12-28 00:53:17,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 00:53:17,236 INFO L93 Difference]: Finished difference Result 127357 states and 208307 transitions. [2021-12-28 00:53:17,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-28 00:53:17,237 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.285714285714285) internal successors, (121), 3 states have internal predecessors, (121), 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 202 [2021-12-28 00:53:17,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 00:53:17,505 INFO L225 Difference]: With dead ends: 127357 [2021-12-28 00:53:17,505 INFO L226 Difference]: Without dead ends: 86045 [2021-12-28 00:53:17,689 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 [2021-12-28 00:53:17,690 INFO L933 BasicCegarLoop]: 884 mSDtfsCounter, 1942 mSDsluCounter, 1073 mSDsCounter, 0 mSdLazyCounter, 1372 mSolverCounterSat, 893 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1961 SdHoareTripleChecker+Valid, 1957 SdHoareTripleChecker+Invalid, 2265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 893 IncrementalHoareTripleChecker+Valid, 1372 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2021-12-28 00:53:17,690 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1961 Valid, 1957 Invalid, 2265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [893 Valid, 1372 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2021-12-28 00:53:17,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86045 states. [2021-12-28 00:53:21,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86045 to 85781. [2021-12-28 00:53:21,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85781 states, 74165 states have (on average 1.5355895638104227) internal successors, (113887), 74190 states have internal predecessors, (113887), 11520 states have call successors, (11520), 87 states have call predecessors, (11520), 95 states have return successors, (12755), 11516 states have call predecessors, (12755), 11518 states have call successors, (12755) [2021-12-28 00:53:21,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85781 states to 85781 states and 138162 transitions. [2021-12-28 00:53:21,653 INFO L78 Accepts]: Start accepts. Automaton has 85781 states and 138162 transitions. Word has length 202 [2021-12-28 00:53:21,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 00:53:21,653 INFO L470 AbstractCegarLoop]: Abstraction has 85781 states and 138162 transitions. [2021-12-28 00:53:21,654 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.285714285714285) internal successors, (121), 3 states have internal predecessors, (121), 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) [2021-12-28 00:53:21,654 INFO L276 IsEmpty]: Start isEmpty. Operand 85781 states and 138162 transitions.