./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/email_spec4_productSimulator.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 791161d1 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/email_spec4_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 cf397912a53dab4d44f4df9c274fc7c69b1023a0a0a29a356bc73a744537daa6 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-22 17:29:00,069 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 17:29:00,071 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 17:29:00,104 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 17:29:00,106 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 17:29:00,107 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 17:29:00,110 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 17:29:00,115 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 17:29:00,116 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 17:29:00,118 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 17:29:00,119 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 17:29:00,120 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 17:29:00,120 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 17:29:00,122 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 17:29:00,123 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 17:29:00,125 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 17:29:00,126 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 17:29:00,129 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 17:29:00,131 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 17:29:00,133 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 17:29:00,135 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 17:29:00,136 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 17:29:00,137 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 17:29:00,137 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 17:29:00,138 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 17:29:00,140 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 17:29:00,143 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 17:29:00,143 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 17:29:00,144 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 17:29:00,144 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 17:29:00,145 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 17:29:00,145 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 17:29:00,146 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 17:29:00,146 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 17:29:00,147 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 17:29:00,148 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 17:29:00,148 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 17:29:00,149 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 17:29:00,149 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 17:29:00,149 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 17:29:00,150 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 17:29:00,151 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 17:29:00,151 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-22 17:29:00,174 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 17:29:00,175 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 17:29:00,175 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 17:29:00,175 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 17:29:00,175 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-22 17:29:00,176 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-22 17:29:00,176 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 17:29:00,176 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 17:29:00,176 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 17:29:00,177 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 17:29:00,177 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-22 17:29:00,178 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 17:29:00,178 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-22 17:29:00,178 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 17:29:00,178 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-22 17:29:00,178 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-22 17:29:00,178 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-22 17:29:00,178 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-22 17:29:00,179 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 17:29:00,179 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 17:29:00,179 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-22 17:29:00,179 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 17:29:00,179 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 17:29:00,179 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-22 17:29:00,180 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 17:29:00,180 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 17:29:00,180 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-22 17:29:00,180 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-22 17:29:00,180 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 17:29:00,180 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-22 17:29:00,181 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-22 17:29:00,181 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-22 17:29:00,181 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-22 17:29:00,181 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cf397912a53dab4d44f4df9c274fc7c69b1023a0a0a29a356bc73a744537daa6 [2022-07-22 17:29:00,363 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 17:29:00,378 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 17:29:00,380 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 17:29:00,380 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 17:29:00,381 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 17:29:00,382 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec4_productSimulator.cil.c [2022-07-22 17:29:00,419 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/21dd365e7/3a0f9e4abb9040f2a6f477a28d882015/FLAGdad22daf7 [2022-07-22 17:29:00,876 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 17:29:00,877 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec4_productSimulator.cil.c [2022-07-22 17:29:00,898 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/21dd365e7/3a0f9e4abb9040f2a6f477a28d882015/FLAGdad22daf7 [2022-07-22 17:29:01,212 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/21dd365e7/3a0f9e4abb9040f2a6f477a28d882015 [2022-07-22 17:29:01,225 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 17:29:01,227 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 17:29:01,229 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 17:29:01,229 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 17:29:01,232 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 17:29:01,232 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 05:29:01" (1/1) ... [2022-07-22 17:29:01,233 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f0e6025 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:29:01, skipping insertion in model container [2022-07-22 17:29:01,233 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 05:29:01" (1/1) ... [2022-07-22 17:29:01,238 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 17:29:01,290 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 17:29:01,535 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_spec4_productSimulator.cil.c[18883,18896] [2022-07-22 17:29:01,687 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 17:29:01,702 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 17:29:01,734 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_spec4_productSimulator.cil.c[18883,18896] [2022-07-22 17:29:01,793 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 17:29:01,832 INFO L208 MainTranslator]: Completed translation [2022-07-22 17:29:01,833 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:29:01 WrapperNode [2022-07-22 17:29:01,833 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 17:29:01,834 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 17:29:01,834 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 17:29:01,834 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 17:29:01,841 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:29:01" (1/1) ... [2022-07-22 17:29:01,870 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:29:01" (1/1) ... [2022-07-22 17:29:01,936 INFO L137 Inliner]: procedures = 151, calls = 283, calls flagged for inlining = 67, calls inlined = 64, statements flattened = 1312 [2022-07-22 17:29:01,951 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 17:29:01,952 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 17:29:01,952 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 17:29:01,952 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 17:29:01,958 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:29:01" (1/1) ... [2022-07-22 17:29:01,959 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:29:01" (1/1) ... [2022-07-22 17:29:01,965 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:29:01" (1/1) ... [2022-07-22 17:29:01,974 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:29:01" (1/1) ... [2022-07-22 17:29:02,006 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:29:01" (1/1) ... [2022-07-22 17:29:02,015 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:29:01" (1/1) ... [2022-07-22 17:29:02,019 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:29:01" (1/1) ... [2022-07-22 17:29:02,049 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 17:29:02,050 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 17:29:02,050 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 17:29:02,050 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 17:29:02,051 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:29:01" (1/1) ... [2022-07-22 17:29:02,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 17:29:02,062 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 17:29:02,072 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-22 17:29:02,089 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-22 17:29:02,119 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2022-07-22 17:29:02,119 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2022-07-22 17:29:02,123 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__before__Keys [2022-07-22 17:29:02,123 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__before__Keys [2022-07-22 17:29:02,123 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Sign [2022-07-22 17:29:02,123 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Sign [2022-07-22 17:29:02,124 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2022-07-22 17:29:02,126 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2022-07-22 17:29:02,127 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2022-07-22 17:29:02,127 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2022-07-22 17:29:02,127 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2022-07-22 17:29:02,127 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2022-07-22 17:29:02,127 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2022-07-22 17:29:02,128 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2022-07-22 17:29:02,128 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Verify [2022-07-22 17:29:02,128 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Verify [2022-07-22 17:29:02,128 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2022-07-22 17:29:02,128 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2022-07-22 17:29:02,128 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__before__Keys [2022-07-22 17:29:02,128 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__before__Keys [2022-07-22 17:29:02,128 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2022-07-22 17:29:02,129 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2022-07-22 17:29:02,129 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2022-07-22 17:29:02,129 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2022-07-22 17:29:02,129 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2022-07-22 17:29:02,129 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2022-07-22 17:29:02,129 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Decrypt [2022-07-22 17:29:02,129 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Decrypt [2022-07-22 17:29:02,129 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Encrypt [2022-07-22 17:29:02,129 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Encrypt [2022-07-22 17:29:02,130 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2022-07-22 17:29:02,130 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2022-07-22 17:29:02,130 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2022-07-22 17:29:02,130 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2022-07-22 17:29:02,130 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2022-07-22 17:29:02,130 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2022-07-22 17:29:02,130 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2022-07-22 17:29:02,131 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Forward [2022-07-22 17:29:02,131 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Forward [2022-07-22 17:29:02,131 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2022-07-22 17:29:02,131 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2022-07-22 17:29:02,131 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2022-07-22 17:29:02,131 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2022-07-22 17:29:02,131 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2022-07-22 17:29:02,131 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2022-07-22 17:29:02,132 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__before__Encrypt [2022-07-22 17:29:02,132 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__before__Encrypt [2022-07-22 17:29:02,132 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 17:29:02,132 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2022-07-22 17:29:02,132 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2022-07-22 17:29:02,132 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2022-07-22 17:29:02,133 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2022-07-22 17:29:02,133 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__AddressBook [2022-07-22 17:29:02,133 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__AddressBook [2022-07-22 17:29:02,134 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Encrypt [2022-07-22 17:29:02,134 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Encrypt [2022-07-22 17:29:02,135 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__AutoResponder [2022-07-22 17:29:02,136 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__AutoResponder [2022-07-22 17:29:02,136 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2022-07-22 17:29:02,136 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2022-07-22 17:29:02,136 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2022-07-22 17:29:02,137 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2022-07-22 17:29:02,137 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2022-07-22 17:29:02,137 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2022-07-22 17:29:02,137 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2022-07-22 17:29:02,137 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2022-07-22 17:29:02,137 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2022-07-22 17:29:02,137 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2022-07-22 17:29:02,137 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2022-07-22 17:29:02,138 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2022-07-22 17:29:02,138 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2022-07-22 17:29:02,138 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2022-07-22 17:29:02,138 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__before__Keys [2022-07-22 17:29:02,138 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__before__Keys [2022-07-22 17:29:02,138 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Verify [2022-07-22 17:29:02,138 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Verify [2022-07-22 17:29:02,138 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2022-07-22 17:29:02,139 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2022-07-22 17:29:02,139 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2022-07-22 17:29:02,139 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2022-07-22 17:29:02,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-22 17:29:02,139 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2022-07-22 17:29:02,140 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2022-07-22 17:29:02,140 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Sign [2022-07-22 17:29:02,140 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Sign [2022-07-22 17:29:02,140 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2022-07-22 17:29:02,140 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2022-07-22 17:29:02,140 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2022-07-22 17:29:02,140 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2022-07-22 17:29:02,140 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 17:29:02,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 17:29:02,319 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 17:29:02,327 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 17:29:02,896 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 17:29:02,909 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 17:29:02,910 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-22 17:29:02,912 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 05:29:02 BoogieIcfgContainer [2022-07-22 17:29:02,912 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 17:29:02,913 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-22 17:29:02,913 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-22 17:29:02,916 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-22 17:29:02,916 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.07 05:29:01" (1/3) ... [2022-07-22 17:29:02,916 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e668493 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 05:29:02, skipping insertion in model container [2022-07-22 17:29:02,916 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:29:01" (2/3) ... [2022-07-22 17:29:02,917 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e668493 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 05:29:02, skipping insertion in model container [2022-07-22 17:29:02,917 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 05:29:02" (3/3) ... [2022-07-22 17:29:02,918 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec4_productSimulator.cil.c [2022-07-22 17:29:02,927 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-22 17:29:02,927 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-22 17:29:02,967 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-22 17:29:02,972 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@4a4439b8, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@2a6005fb [2022-07-22 17:29:02,972 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-22 17:29:02,979 INFO L276 IsEmpty]: Start isEmpty. Operand has 603 states, 448 states have (on average 1.515625) internal successors, (679), 468 states have internal predecessors, (679), 110 states have call successors, (110), 43 states have call predecessors, (110), 43 states have return successors, (110), 109 states have call predecessors, (110), 110 states have call successors, (110) [2022-07-22 17:29:03,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-07-22 17:29:03,004 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:29:03,004 INFO L195 NwaCegarLoop]: 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] [2022-07-22 17:29:03,005 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:29:03,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:29:03,009 INFO L85 PathProgramCache]: Analyzing trace with hash -567184417, now seen corresponding path program 1 times [2022-07-22 17:29:03,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:29:03,015 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084158519] [2022-07-22 17:29:03,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:29:03,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:29:03,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:03,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 17:29:03,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:03,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 17:29:03,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:03,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-22 17:29:03,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:03,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-22 17:29:03,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:03,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-22 17:29:03,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:03,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-22 17:29:03,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:03,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-22 17:29:03,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:03,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-22 17:29:03,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:03,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-22 17:29:03,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:03,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 17:29:03,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:03,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-22 17:29:03,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:03,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 17:29:03,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:03,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-22 17:29:03,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:03,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 17:29:03,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:03,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-07-22 17:29:03,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:03,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-22 17:29:03,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:03,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-22 17:29:03,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:03,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-22 17:29:03,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:03,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-22 17:29:03,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:03,322 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-07-22 17:29:03,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:29:03,323 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084158519] [2022-07-22 17:29:03,323 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2084158519] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:29:03,324 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:29:03,324 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-22 17:29:03,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352208183] [2022-07-22 17:29:03,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:29:03,328 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-22 17:29:03,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:29:03,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-22 17:29:03,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-22 17:29:03,349 INFO L87 Difference]: Start difference. First operand has 603 states, 448 states have (on average 1.515625) internal successors, (679), 468 states have internal predecessors, (679), 110 states have call successors, (110), 43 states have call predecessors, (110), 43 states have return successors, (110), 109 states have call predecessors, (110), 110 states have call successors, (110) Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 2 states have internal predecessors, (67), 2 states have call successors, (24), 5 states have call predecessors, (24), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-07-22 17:29:04,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:29:04,435 INFO L93 Difference]: Finished difference Result 1078 states and 1627 transitions. [2022-07-22 17:29:04,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-22 17:29:04,437 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 2 states have internal predecessors, (67), 2 states have call successors, (24), 5 states have call predecessors, (24), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 133 [2022-07-22 17:29:04,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:29:04,450 INFO L225 Difference]: With dead ends: 1078 [2022-07-22 17:29:04,450 INFO L226 Difference]: Without dead ends: 737 [2022-07-22 17:29:04,455 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-22 17:29:04,457 INFO L413 NwaCegarLoop]: 927 mSDtfsCounter, 1342 mSDsluCounter, 714 mSDsCounter, 0 mSdLazyCounter, 534 mSolverCounterSat, 621 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1348 SdHoareTripleChecker+Valid, 1641 SdHoareTripleChecker+Invalid, 1155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 621 IncrementalHoareTripleChecker+Valid, 534 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-22 17:29:04,458 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1348 Valid, 1641 Invalid, 1155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [621 Valid, 534 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-22 17:29:04,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 737 states. [2022-07-22 17:29:04,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 737 to 596. [2022-07-22 17:29:04,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 596 states, 442 states have (on average 1.51131221719457) internal successors, (668), 461 states have internal predecessors, (668), 110 states have call successors, (110), 43 states have call predecessors, (110), 43 states have return successors, (109), 108 states have call predecessors, (109), 109 states have call successors, (109) [2022-07-22 17:29:04,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 596 states and 887 transitions. [2022-07-22 17:29:04,535 INFO L78 Accepts]: Start accepts. Automaton has 596 states and 887 transitions. Word has length 133 [2022-07-22 17:29:04,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:29:04,535 INFO L495 AbstractCegarLoop]: Abstraction has 596 states and 887 transitions. [2022-07-22 17:29:04,535 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 2 states have internal predecessors, (67), 2 states have call successors, (24), 5 states have call predecessors, (24), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-07-22 17:29:04,535 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 887 transitions. [2022-07-22 17:29:04,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-07-22 17:29:04,550 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:29:04,550 INFO L195 NwaCegarLoop]: 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] [2022-07-22 17:29:04,550 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-22 17:29:04,551 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:29:04,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:29:04,551 INFO L85 PathProgramCache]: Analyzing trace with hash 1887142888, now seen corresponding path program 1 times [2022-07-22 17:29:04,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:29:04,552 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945927408] [2022-07-22 17:29:04,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:29:04,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:29:04,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:04,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 17:29:04,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:04,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 17:29:04,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:04,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-22 17:29:04,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:04,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-22 17:29:04,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:04,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-22 17:29:04,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:04,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-22 17:29:04,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:04,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-22 17:29:04,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:04,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-22 17:29:04,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:04,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-22 17:29:04,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:04,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 17:29:04,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:04,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-22 17:29:04,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:04,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 17:29:04,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:04,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-22 17:29:04,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:04,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 17:29:04,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:04,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-22 17:29:04,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:04,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-22 17:29:04,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:04,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-22 17:29:04,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:04,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-22 17:29:04,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:04,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-22 17:29:04,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:04,751 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-07-22 17:29:04,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:29:04,754 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945927408] [2022-07-22 17:29:04,754 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1945927408] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:29:04,754 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:29:04,754 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-22 17:29:04,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120464378] [2022-07-22 17:29:04,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:29:04,756 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-22 17:29:04,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:29:04,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-22 17:29:04,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-07-22 17:29:04,758 INFO L87 Difference]: Start difference. First operand 596 states and 887 transitions. Second operand has 8 states, 8 states have (on average 8.5) internal successors, (68), 5 states have internal predecessors, (68), 2 states have call successors, (24), 5 states have call predecessors, (24), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-07-22 17:29:06,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:29:06,645 INFO L93 Difference]: Finished difference Result 1297 states and 1957 transitions. [2022-07-22 17:29:06,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-22 17:29:06,646 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 5 states have internal predecessors, (68), 2 states have call successors, (24), 5 states have call predecessors, (24), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 134 [2022-07-22 17:29:06,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:29:06,654 INFO L225 Difference]: With dead ends: 1297 [2022-07-22 17:29:06,654 INFO L226 Difference]: Without dead ends: 737 [2022-07-22 17:29:06,675 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2022-07-22 17:29:06,676 INFO L413 NwaCegarLoop]: 899 mSDtfsCounter, 1368 mSDsluCounter, 1474 mSDsCounter, 0 mSdLazyCounter, 2874 mSolverCounterSat, 646 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1373 SdHoareTripleChecker+Valid, 2373 SdHoareTripleChecker+Invalid, 3520 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 646 IncrementalHoareTripleChecker+Valid, 2874 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-07-22 17:29:06,676 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1373 Valid, 2373 Invalid, 3520 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [646 Valid, 2874 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-07-22 17:29:06,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 737 states. [2022-07-22 17:29:06,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 737 to 596. [2022-07-22 17:29:06,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 596 states, 442 states have (on average 1.495475113122172) internal successors, (661), 461 states have internal predecessors, (661), 110 states have call successors, (110), 43 states have call predecessors, (110), 43 states have return successors, (109), 108 states have call predecessors, (109), 109 states have call successors, (109) [2022-07-22 17:29:06,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 596 states and 880 transitions. [2022-07-22 17:29:06,737 INFO L78 Accepts]: Start accepts. Automaton has 596 states and 880 transitions. Word has length 134 [2022-07-22 17:29:06,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:29:06,739 INFO L495 AbstractCegarLoop]: Abstraction has 596 states and 880 transitions. [2022-07-22 17:29:06,739 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 5 states have internal predecessors, (68), 2 states have call successors, (24), 5 states have call predecessors, (24), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-07-22 17:29:06,739 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 880 transitions. [2022-07-22 17:29:06,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-07-22 17:29:06,742 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:29:06,742 INFO L195 NwaCegarLoop]: 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] [2022-07-22 17:29:06,743 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-22 17:29:06,743 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:29:06,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:29:06,743 INFO L85 PathProgramCache]: Analyzing trace with hash -1817414579, now seen corresponding path program 1 times [2022-07-22 17:29:06,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:29:06,743 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [498772059] [2022-07-22 17:29:06,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:29:06,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:29:06,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:06,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 17:29:06,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:06,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 17:29:06,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:06,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-22 17:29:06,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:06,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-22 17:29:06,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:06,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-22 17:29:06,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:06,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-22 17:29:06,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:06,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-22 17:29:06,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:06,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-22 17:29:06,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:06,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-22 17:29:06,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:06,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 17:29:06,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:06,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-22 17:29:06,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:06,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 17:29:06,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:06,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-22 17:29:06,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:06,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 17:29:06,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:06,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-22 17:29:06,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:06,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-22 17:29:06,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:06,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-22 17:29:06,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:06,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-22 17:29:06,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:06,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-22 17:29:06,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:06,892 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-07-22 17:29:06,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:29:06,892 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [498772059] [2022-07-22 17:29:06,892 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [498772059] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:29:06,893 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:29:06,893 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-22 17:29:06,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529792537] [2022-07-22 17:29:06,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:29:06,893 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-22 17:29:06,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:29:06,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-22 17:29:06,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-22 17:29:06,894 INFO L87 Difference]: Start difference. First operand 596 states and 880 transitions. Second operand has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (24), 5 states have call predecessors, (24), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-07-22 17:29:07,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:29:07,751 INFO L93 Difference]: Finished difference Result 1303 states and 1978 transitions. [2022-07-22 17:29:07,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-22 17:29:07,751 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (24), 5 states have call predecessors, (24), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 139 [2022-07-22 17:29:07,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:29:07,755 INFO L225 Difference]: With dead ends: 1303 [2022-07-22 17:29:07,755 INFO L226 Difference]: Without dead ends: 738 [2022-07-22 17:29:07,756 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-07-22 17:29:07,757 INFO L413 NwaCegarLoop]: 881 mSDtfsCounter, 2068 mSDsluCounter, 668 mSDsCounter, 0 mSdLazyCounter, 521 mSolverCounterSat, 820 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2095 SdHoareTripleChecker+Valid, 1549 SdHoareTripleChecker+Invalid, 1341 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 820 IncrementalHoareTripleChecker+Valid, 521 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-22 17:29:07,757 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2095 Valid, 1549 Invalid, 1341 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [820 Valid, 521 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-22 17:29:07,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 738 states. [2022-07-22 17:29:07,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 738 to 597. [2022-07-22 17:29:07,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 597 states, 444 states have (on average 1.4842342342342343) internal successors, (659), 461 states have internal predecessors, (659), 108 states have call successors, (108), 44 states have call predecessors, (108), 44 states have return successors, (107), 106 states have call predecessors, (107), 107 states have call successors, (107) [2022-07-22 17:29:07,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 597 states and 874 transitions. [2022-07-22 17:29:07,795 INFO L78 Accepts]: Start accepts. Automaton has 597 states and 874 transitions. Word has length 139 [2022-07-22 17:29:07,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:29:07,795 INFO L495 AbstractCegarLoop]: Abstraction has 597 states and 874 transitions. [2022-07-22 17:29:07,795 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (24), 5 states have call predecessors, (24), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-07-22 17:29:07,796 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 874 transitions. [2022-07-22 17:29:07,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2022-07-22 17:29:07,797 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:29:07,798 INFO L195 NwaCegarLoop]: 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] [2022-07-22 17:29:07,798 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-22 17:29:07,798 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:29:07,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:29:07,798 INFO L85 PathProgramCache]: Analyzing trace with hash -633923939, now seen corresponding path program 1 times [2022-07-22 17:29:07,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:29:07,799 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833828953] [2022-07-22 17:29:07,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:29:07,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:29:07,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:07,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 17:29:07,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:07,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 17:29:07,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:07,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-22 17:29:07,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:07,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-22 17:29:07,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:07,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-22 17:29:07,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:07,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-22 17:29:07,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:07,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-22 17:29:07,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:07,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-22 17:29:07,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:07,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-07-22 17:29:07,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:07,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 17:29:07,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:07,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-07-22 17:29:07,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:07,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 17:29:07,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:07,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-22 17:29:07,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:07,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 17:29:07,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:07,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-22 17:29:07,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:07,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-07-22 17:29:07,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:07,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-22 17:29:07,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:07,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-22 17:29:07,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:07,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-22 17:29:07,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:07,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-22 17:29:07,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:07,889 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2022-07-22 17:29:07,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:29:07,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833828953] [2022-07-22 17:29:07,890 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833828953] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:29:07,890 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:29:07,890 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-22 17:29:07,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130297208] [2022-07-22 17:29:07,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:29:07,890 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-22 17:29:07,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:29:07,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-22 17:29:07,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-22 17:29:07,891 INFO L87 Difference]: Start difference. First operand 597 states and 874 transitions. Second operand has 6 states, 6 states have (on average 13.0) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (25), 5 states have call predecessors, (25), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-22 17:29:08,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:29:08,702 INFO L93 Difference]: Finished difference Result 1296 states and 1952 transitions. [2022-07-22 17:29:08,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-22 17:29:08,702 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.0) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (25), 5 states have call predecessors, (25), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 149 [2022-07-22 17:29:08,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:29:08,705 INFO L225 Difference]: With dead ends: 1296 [2022-07-22 17:29:08,705 INFO L226 Difference]: Without dead ends: 735 [2022-07-22 17:29:08,707 INFO L412 NwaCegarLoop]: 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 [2022-07-22 17:29:08,708 INFO L413 NwaCegarLoop]: 880 mSDtfsCounter, 2023 mSDsluCounter, 688 mSDsCounter, 0 mSdLazyCounter, 504 mSolverCounterSat, 810 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2050 SdHoareTripleChecker+Valid, 1568 SdHoareTripleChecker+Invalid, 1314 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 810 IncrementalHoareTripleChecker+Valid, 504 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-22 17:29:08,708 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2050 Valid, 1568 Invalid, 1314 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [810 Valid, 504 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-22 17:29:08,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 735 states. [2022-07-22 17:29:08,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 735 to 595. [2022-07-22 17:29:08,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 595 states, 444 states have (on average 1.4774774774774775) internal successors, (656), 459 states have internal predecessors, (656), 106 states have call successors, (106), 44 states have call predecessors, (106), 44 states have return successors, (105), 104 states have call predecessors, (105), 105 states have call successors, (105) [2022-07-22 17:29:08,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 595 states and 867 transitions. [2022-07-22 17:29:08,735 INFO L78 Accepts]: Start accepts. Automaton has 595 states and 867 transitions. Word has length 149 [2022-07-22 17:29:08,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:29:08,735 INFO L495 AbstractCegarLoop]: Abstraction has 595 states and 867 transitions. [2022-07-22 17:29:08,735 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.0) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (25), 5 states have call predecessors, (25), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-22 17:29:08,736 INFO L276 IsEmpty]: Start isEmpty. Operand 595 states and 867 transitions. [2022-07-22 17:29:08,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2022-07-22 17:29:08,738 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:29:08,738 INFO L195 NwaCegarLoop]: 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] [2022-07-22 17:29:08,738 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-22 17:29:08,738 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:29:08,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:29:08,739 INFO L85 PathProgramCache]: Analyzing trace with hash 982930644, now seen corresponding path program 1 times [2022-07-22 17:29:08,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:29:08,739 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303455147] [2022-07-22 17:29:08,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:29:08,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:29:08,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:08,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 17:29:08,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:08,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 17:29:08,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:08,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-22 17:29:08,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:08,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-22 17:29:08,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:08,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-22 17:29:08,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:08,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-22 17:29:08,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:08,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-22 17:29:08,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:08,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-22 17:29:08,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:08,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-22 17:29:08,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:08,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 17:29:08,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:08,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-22 17:29:08,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:08,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 17:29:08,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:08,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-22 17:29:08,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:08,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 17:29:08,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:08,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-22 17:29:08,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:08,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-07-22 17:29:08,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:08,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-07-22 17:29:08,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:08,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-22 17:29:08,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:08,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-22 17:29:08,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:08,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-22 17:29:08,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:08,822 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2022-07-22 17:29:08,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:29:08,823 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1303455147] [2022-07-22 17:29:08,823 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1303455147] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:29:08,823 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:29:08,823 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-22 17:29:08,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223678717] [2022-07-22 17:29:08,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:29:08,824 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-22 17:29:08,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:29:08,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-22 17:29:08,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-22 17:29:08,825 INFO L87 Difference]: Start difference. First operand 595 states and 867 transitions. Second operand has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (25), 5 states have call predecessors, (25), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-22 17:29:09,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:29:09,824 INFO L93 Difference]: Finished difference Result 1287 states and 1905 transitions. [2022-07-22 17:29:09,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-22 17:29:09,825 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (25), 5 states have call predecessors, (25), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 150 [2022-07-22 17:29:09,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:29:09,828 INFO L225 Difference]: With dead ends: 1287 [2022-07-22 17:29:09,828 INFO L226 Difference]: Without dead ends: 738 [2022-07-22 17:29:09,830 INFO L412 NwaCegarLoop]: 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 [2022-07-22 17:29:09,830 INFO L413 NwaCegarLoop]: 850 mSDtfsCounter, 2034 mSDsluCounter, 643 mSDsCounter, 0 mSdLazyCounter, 526 mSolverCounterSat, 811 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2059 SdHoareTripleChecker+Valid, 1493 SdHoareTripleChecker+Invalid, 1337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 811 IncrementalHoareTripleChecker+Valid, 526 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-22 17:29:09,831 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2059 Valid, 1493 Invalid, 1337 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [811 Valid, 526 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-22 17:29:09,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 738 states. [2022-07-22 17:29:09,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 738 to 592. [2022-07-22 17:29:09,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 592 states, 444 states have (on average 1.4527027027027026) internal successors, (645), 454 states have internal predecessors, (645), 103 states have call successors, (103), 44 states have call predecessors, (103), 44 states have return successors, (102), 101 states have call predecessors, (102), 102 states have call successors, (102) [2022-07-22 17:29:09,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 850 transitions. [2022-07-22 17:29:09,852 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 850 transitions. Word has length 150 [2022-07-22 17:29:09,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:29:09,853 INFO L495 AbstractCegarLoop]: Abstraction has 592 states and 850 transitions. [2022-07-22 17:29:09,853 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (25), 5 states have call predecessors, (25), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-22 17:29:09,853 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 850 transitions. [2022-07-22 17:29:09,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2022-07-22 17:29:09,855 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:29:09,855 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 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] [2022-07-22 17:29:09,855 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-22 17:29:09,855 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:29:09,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:29:09,856 INFO L85 PathProgramCache]: Analyzing trace with hash 45386734, now seen corresponding path program 1 times [2022-07-22 17:29:09,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:29:09,856 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1251963712] [2022-07-22 17:29:09,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:29:09,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:29:09,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:09,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 17:29:09,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:09,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 17:29:09,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:09,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-22 17:29:09,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:09,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-22 17:29:09,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:09,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-22 17:29:09,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:09,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-22 17:29:09,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:09,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-22 17:29:09,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:09,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-22 17:29:09,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:09,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-22 17:29:09,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:09,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 17:29:09,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:09,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-22 17:29:09,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:09,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-22 17:29:09,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:09,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 17:29:09,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:09,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-22 17:29:09,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:09,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-22 17:29:09,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:09,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 17:29:09,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:09,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-07-22 17:29:09,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:10,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-22 17:29:10,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:10,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-22 17:29:10,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:10,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-22 17:29:10,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:10,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-22 17:29:10,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:10,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-22 17:29:10,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:10,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-22 17:29:10,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:10,023 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2022-07-22 17:29:10,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:29:10,024 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1251963712] [2022-07-22 17:29:10,024 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1251963712] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 17:29:10,024 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [421093535] [2022-07-22 17:29:10,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:29:10,024 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 17:29:10,025 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 17:29:10,026 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-22 17:29:10,072 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-22 17:29:10,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:10,374 INFO L263 TraceCheckSpWp]: Trace formula consists of 1420 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 17:29:10,382 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 17:29:10,421 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2022-07-22 17:29:10,421 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 17:29:10,421 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [421093535] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:29:10,421 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-22 17:29:10,421 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [12] total 13 [2022-07-22 17:29:10,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304635230] [2022-07-22 17:29:10,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:29:10,422 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 17:29:10,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:29:10,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 17:29:10,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2022-07-22 17:29:10,422 INFO L87 Difference]: Start difference. First operand 592 states and 850 transitions. Second operand has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-07-22 17:29:10,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:29:10,470 INFO L93 Difference]: Finished difference Result 919 states and 1301 transitions. [2022-07-22 17:29:10,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 17:29:10,471 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 168 [2022-07-22 17:29:10,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:29:10,474 INFO L225 Difference]: With dead ends: 919 [2022-07-22 17:29:10,474 INFO L226 Difference]: Without dead ends: 595 [2022-07-22 17:29:10,474 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 208 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2022-07-22 17:29:10,475 INFO L413 NwaCegarLoop]: 846 mSDtfsCounter, 1 mSDsluCounter, 844 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1690 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 17:29:10,475 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1690 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 17:29:10,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 595 states. [2022-07-22 17:29:10,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 595 to 594. [2022-07-22 17:29:10,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 594 states, 446 states have (on average 1.4506726457399104) internal successors, (647), 456 states have internal predecessors, (647), 103 states have call successors, (103), 44 states have call predecessors, (103), 44 states have return successors, (102), 101 states have call predecessors, (102), 102 states have call successors, (102) [2022-07-22 17:29:10,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 594 states and 852 transitions. [2022-07-22 17:29:10,511 INFO L78 Accepts]: Start accepts. Automaton has 594 states and 852 transitions. Word has length 168 [2022-07-22 17:29:10,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:29:10,511 INFO L495 AbstractCegarLoop]: Abstraction has 594 states and 852 transitions. [2022-07-22 17:29:10,511 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-07-22 17:29:10,511 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 852 transitions. [2022-07-22 17:29:10,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2022-07-22 17:29:10,513 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:29:10,513 INFO L195 NwaCegarLoop]: 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] [2022-07-22 17:29:10,534 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-22 17:29:10,725 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-07-22 17:29:10,725 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:29:10,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:29:10,726 INFO L85 PathProgramCache]: Analyzing trace with hash 1242161006, now seen corresponding path program 1 times [2022-07-22 17:29:10,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:29:10,726 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479070170] [2022-07-22 17:29:10,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:29:10,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:29:10,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:10,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 17:29:10,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:10,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 17:29:10,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:10,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-22 17:29:10,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:10,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-22 17:29:10,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:10,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-22 17:29:10,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:10,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-22 17:29:10,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:10,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-22 17:29:10,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:10,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-22 17:29:10,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:10,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-22 17:29:10,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:10,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 17:29:10,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:10,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-22 17:29:10,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:10,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-22 17:29:10,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:10,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 17:29:10,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:10,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-22 17:29:10,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:10,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-22 17:29:10,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:10,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 17:29:10,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:10,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-07-22 17:29:10,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:10,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-22 17:29:10,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:10,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-22 17:29:10,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:10,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-22 17:29:10,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:10,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-22 17:29:10,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:10,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-07-22 17:29:10,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:10,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-22 17:29:10,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:10,856 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-07-22 17:29:10,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:29:10,857 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1479070170] [2022-07-22 17:29:10,857 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1479070170] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 17:29:10,857 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1056239723] [2022-07-22 17:29:10,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:29:10,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 17:29:10,857 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 17:29:10,859 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-22 17:29:10,912 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-22 17:29:11,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:11,147 INFO L263 TraceCheckSpWp]: Trace formula consists of 1436 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-22 17:29:11,151 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 17:29:11,170 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2022-07-22 17:29:11,171 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 17:29:11,171 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1056239723] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:29:11,171 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-22 17:29:11,171 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [12] total 13 [2022-07-22 17:29:11,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912758290] [2022-07-22 17:29:11,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:29:11,172 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 17:29:11,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:29:11,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 17:29:11,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2022-07-22 17:29:11,173 INFO L87 Difference]: Start difference. First operand 594 states and 852 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, (28), 2 states have call predecessors, (28), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-07-22 17:29:11,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:29:11,197 INFO L93 Difference]: Finished difference Result 1208 states and 1765 transitions. [2022-07-22 17:29:11,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 17:29:11,197 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, (28), 2 states have call predecessors, (28), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 176 [2022-07-22 17:29:11,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:29:11,200 INFO L225 Difference]: With dead ends: 1208 [2022-07-22 17:29:11,200 INFO L226 Difference]: Without dead ends: 692 [2022-07-22 17:29:11,201 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 216 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2022-07-22 17:29:11,202 INFO L413 NwaCegarLoop]: 873 mSDtfsCounter, 165 mSDsluCounter, 799 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 1672 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 17:29:11,202 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 1672 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 17:29:11,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 692 states. [2022-07-22 17:29:11,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 692 to 684. [2022-07-22 17:29:11,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 684 states, 522 states have (on average 1.4655172413793103) internal successors, (765), 532 states have internal predecessors, (765), 117 states have call successors, (117), 44 states have call predecessors, (117), 44 states have return successors, (116), 115 states have call predecessors, (116), 116 states have call successors, (116) [2022-07-22 17:29:11,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 684 states and 998 transitions. [2022-07-22 17:29:11,247 INFO L78 Accepts]: Start accepts. Automaton has 684 states and 998 transitions. Word has length 176 [2022-07-22 17:29:11,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:29:11,247 INFO L495 AbstractCegarLoop]: Abstraction has 684 states and 998 transitions. [2022-07-22 17:29:11,247 INFO L496 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, (28), 2 states have call predecessors, (28), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-07-22 17:29:11,247 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 998 transitions. [2022-07-22 17:29:11,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2022-07-22 17:29:11,249 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:29:11,250 INFO L195 NwaCegarLoop]: 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] [2022-07-22 17:29:11,270 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-22 17:29:11,468 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-07-22 17:29:11,468 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:29:11,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:29:11,468 INFO L85 PathProgramCache]: Analyzing trace with hash 1421540224, now seen corresponding path program 1 times [2022-07-22 17:29:11,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:29:11,469 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422656120] [2022-07-22 17:29:11,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:29:11,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:29:11,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:11,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 17:29:11,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:11,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 17:29:11,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:11,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-22 17:29:11,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:11,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-22 17:29:11,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:11,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-22 17:29:11,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:11,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-22 17:29:11,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:11,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-22 17:29:11,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:11,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-22 17:29:11,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:11,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-22 17:29:11,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:11,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 17:29:11,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:11,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-22 17:29:11,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:11,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-22 17:29:11,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:11,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 17:29:11,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:11,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-22 17:29:11,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:11,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-22 17:29:11,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:11,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 17:29:11,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:11,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-07-22 17:29:11,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:11,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-22 17:29:11,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:11,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-22 17:29:11,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:11,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-22 17:29:11,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:11,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-22 17:29:11,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:11,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-22 17:29:11,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:11,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-22 17:29:11,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:11,610 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-07-22 17:29:11,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:29:11,610 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422656120] [2022-07-22 17:29:11,610 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1422656120] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 17:29:11,611 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1457548335] [2022-07-22 17:29:11,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:29:11,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 17:29:11,611 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 17:29:11,636 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-22 17:29:11,637 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-22 17:29:11,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:11,908 INFO L263 TraceCheckSpWp]: Trace formula consists of 1443 conjuncts, 10 conjunts are in the unsatisfiable core [2022-07-22 17:29:11,912 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 17:29:12,046 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2022-07-22 17:29:12,047 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 17:29:12,047 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1457548335] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:29:12,047 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-22 17:29:12,047 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [12] total 18 [2022-07-22 17:29:12,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812250710] [2022-07-22 17:29:12,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:29:12,048 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-22 17:29:12,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:29:12,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-22 17:29:12,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=267, Unknown=0, NotChecked=0, Total=306 [2022-07-22 17:29:12,048 INFO L87 Difference]: Start difference. First operand 684 states and 998 transitions. Second operand has 8 states, 6 states have (on average 17.0) internal successors, (102), 8 states have internal predecessors, (102), 4 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) [2022-07-22 17:29:12,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:29:12,189 INFO L93 Difference]: Finished difference Result 1315 states and 1933 transitions. [2022-07-22 17:29:12,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-22 17:29:12,189 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 17.0) internal successors, (102), 8 states have internal predecessors, (102), 4 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) Word has length 177 [2022-07-22 17:29:12,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:29:12,192 INFO L225 Difference]: With dead ends: 1315 [2022-07-22 17:29:12,192 INFO L226 Difference]: Without dead ends: 686 [2022-07-22 17:29:12,194 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 231 GetRequests, 212 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=369, Unknown=0, NotChecked=0, Total=420 [2022-07-22 17:29:12,194 INFO L413 NwaCegarLoop]: 837 mSDtfsCounter, 363 mSDsluCounter, 4599 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 365 SdHoareTripleChecker+Valid, 5436 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-22 17:29:12,195 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [365 Valid, 5436 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-22 17:29:12,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 686 states. [2022-07-22 17:29:12,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 686 to 686. [2022-07-22 17:29:12,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 686 states, 523 states have (on average 1.4646271510516253) internal successors, (766), 534 states have internal predecessors, (766), 117 states have call successors, (117), 44 states have call predecessors, (117), 45 states have return successors, (118), 115 states have call predecessors, (118), 116 states have call successors, (118) [2022-07-22 17:29:12,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 686 states to 686 states and 1001 transitions. [2022-07-22 17:29:12,220 INFO L78 Accepts]: Start accepts. Automaton has 686 states and 1001 transitions. Word has length 177 [2022-07-22 17:29:12,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:29:12,220 INFO L495 AbstractCegarLoop]: Abstraction has 686 states and 1001 transitions. [2022-07-22 17:29:12,221 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 17.0) internal successors, (102), 8 states have internal predecessors, (102), 4 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) [2022-07-22 17:29:12,221 INFO L276 IsEmpty]: Start isEmpty. Operand 686 states and 1001 transitions. [2022-07-22 17:29:12,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2022-07-22 17:29:12,223 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:29:12,223 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 17:29:12,244 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-07-22 17:29:12,439 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 17:29:12,439 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:29:12,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:29:12,440 INFO L85 PathProgramCache]: Analyzing trace with hash -1756071536, now seen corresponding path program 1 times [2022-07-22 17:29:12,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:29:12,440 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563495637] [2022-07-22 17:29:12,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:29:12,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:29:12,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:12,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 17:29:12,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:12,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 17:29:12,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:12,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-22 17:29:12,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:12,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-22 17:29:12,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:12,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-22 17:29:12,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:12,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-22 17:29:12,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:12,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-22 17:29:12,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:12,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-22 17:29:12,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:12,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-22 17:29:12,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:12,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 17:29:12,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:12,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-22 17:29:12,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:12,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-22 17:29:12,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:12,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 17:29:12,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:12,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-22 17:29:12,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:12,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-22 17:29:12,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:12,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 17:29:12,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:12,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-22 17:29:12,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:12,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-22 17:29:12,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:12,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-22 17:29:12,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:12,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-22 17:29:12,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:12,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-22 17:29:12,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:12,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-07-22 17:29:12,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:12,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-22 17:29:12,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:12,596 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2022-07-22 17:29:12,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:29:12,597 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563495637] [2022-07-22 17:29:12,597 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1563495637] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 17:29:12,597 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [364488618] [2022-07-22 17:29:12,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:29:12,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 17:29:12,597 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 17:29:12,598 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-22 17:29:12,599 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-07-22 17:29:12,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:12,854 INFO L263 TraceCheckSpWp]: Trace formula consists of 1444 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-22 17:29:12,858 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 17:29:12,916 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2022-07-22 17:29:12,917 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 17:29:12,917 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [364488618] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:29:12,917 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-22 17:29:12,917 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [13] total 17 [2022-07-22 17:29:12,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252329440] [2022-07-22 17:29:12,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:29:12,918 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-22 17:29:12,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:29:12,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-22 17:29:12,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=238, Unknown=0, NotChecked=0, Total=272 [2022-07-22 17:29:12,918 INFO L87 Difference]: Start difference. First operand 686 states and 1001 transitions. Second operand has 6 states, 5 states have (on average 20.8) internal successors, (104), 6 states have internal predecessors, (104), 3 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-07-22 17:29:13,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:29:13,032 INFO L93 Difference]: Finished difference Result 1316 states and 1937 transitions. [2022-07-22 17:29:13,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-22 17:29:13,032 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 20.8) internal successors, (104), 6 states have internal predecessors, (104), 3 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 178 [2022-07-22 17:29:13,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:29:13,035 INFO L225 Difference]: With dead ends: 1316 [2022-07-22 17:29:13,035 INFO L226 Difference]: Without dead ends: 688 [2022-07-22 17:29:13,037 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 231 GetRequests, 214 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=299, Unknown=0, NotChecked=0, Total=342 [2022-07-22 17:29:13,037 INFO L413 NwaCegarLoop]: 836 mSDtfsCounter, 361 mSDsluCounter, 2934 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 361 SdHoareTripleChecker+Valid, 3770 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-22 17:29:13,038 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [361 Valid, 3770 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-22 17:29:13,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 688 states. [2022-07-22 17:29:13,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 688 to 688. [2022-07-22 17:29:13,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 688 states, 524 states have (on average 1.463740458015267) internal successors, (767), 536 states have internal predecessors, (767), 117 states have call successors, (117), 44 states have call predecessors, (117), 46 states have return successors, (123), 115 states have call predecessors, (123), 116 states have call successors, (123) [2022-07-22 17:29:13,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 688 states and 1007 transitions. [2022-07-22 17:29:13,063 INFO L78 Accepts]: Start accepts. Automaton has 688 states and 1007 transitions. Word has length 178 [2022-07-22 17:29:13,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:29:13,063 INFO L495 AbstractCegarLoop]: Abstraction has 688 states and 1007 transitions. [2022-07-22 17:29:13,063 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 20.8) internal successors, (104), 6 states have internal predecessors, (104), 3 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-07-22 17:29:13,063 INFO L276 IsEmpty]: Start isEmpty. Operand 688 states and 1007 transitions. [2022-07-22 17:29:13,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2022-07-22 17:29:13,065 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:29:13,066 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 17:29:13,101 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-07-22 17:29:13,284 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 17:29:13,285 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:29:13,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:29:13,286 INFO L85 PathProgramCache]: Analyzing trace with hash -1664245019, now seen corresponding path program 1 times [2022-07-22 17:29:13,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:29:13,286 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780062168] [2022-07-22 17:29:13,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:29:13,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:29:13,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:13,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 17:29:13,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:13,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 17:29:13,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:13,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-22 17:29:13,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:13,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-22 17:29:13,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:13,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-22 17:29:13,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:13,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-22 17:29:13,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:13,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-22 17:29:13,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:13,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-22 17:29:13,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:13,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-22 17:29:13,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:13,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 17:29:13,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:13,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-22 17:29:13,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:13,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-22 17:29:13,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:13,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 17:29:13,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:13,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-22 17:29:13,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:13,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-22 17:29:13,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:13,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 17:29:13,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:13,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-22 17:29:13,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:13,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-22 17:29:13,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:13,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-22 17:29:13,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:13,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-22 17:29:13,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:13,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-22 17:29:13,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:13,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-22 17:29:13,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:13,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-07-22 17:29:13,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:13,459 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-07-22 17:29:13,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:29:13,459 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780062168] [2022-07-22 17:29:13,459 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1780062168] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:29:13,459 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:29:13,459 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-07-22 17:29:13,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216651873] [2022-07-22 17:29:13,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:29:13,460 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-22 17:29:13,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:29:13,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-22 17:29:13,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2022-07-22 17:29:13,461 INFO L87 Difference]: Start difference. First operand 688 states and 1007 transitions. Second operand has 12 states, 10 states have (on average 10.0) internal successors, (100), 8 states have internal predecessors, (100), 4 states have call successors, (28), 6 states have call predecessors, (28), 3 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) [2022-07-22 17:29:16,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:29:16,242 INFO L93 Difference]: Finished difference Result 1448 states and 2165 transitions. [2022-07-22 17:29:16,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-07-22 17:29:16,242 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 10.0) internal successors, (100), 8 states have internal predecessors, (100), 4 states have call successors, (28), 6 states have call predecessors, (28), 3 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) Word has length 179 [2022-07-22 17:29:16,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:29:16,246 INFO L225 Difference]: With dead ends: 1448 [2022-07-22 17:29:16,246 INFO L226 Difference]: Without dead ends: 832 [2022-07-22 17:29:16,247 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=122, Invalid=478, Unknown=0, NotChecked=0, Total=600 [2022-07-22 17:29:16,248 INFO L413 NwaCegarLoop]: 863 mSDtfsCounter, 2164 mSDsluCounter, 1935 mSDsCounter, 0 mSdLazyCounter, 5230 mSolverCounterSat, 875 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2164 SdHoareTripleChecker+Valid, 2798 SdHoareTripleChecker+Invalid, 6105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 875 IncrementalHoareTripleChecker+Valid, 5230 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-07-22 17:29:16,248 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2164 Valid, 2798 Invalid, 6105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [875 Valid, 5230 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-07-22 17:29:16,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 832 states. [2022-07-22 17:29:16,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 832 to 688. [2022-07-22 17:29:16,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 688 states, 524 states have (on average 1.463740458015267) internal successors, (767), 536 states have internal predecessors, (767), 117 states have call successors, (117), 44 states have call predecessors, (117), 46 states have return successors, (122), 115 states have call predecessors, (122), 116 states have call successors, (122) [2022-07-22 17:29:16,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 688 states and 1006 transitions. [2022-07-22 17:29:16,275 INFO L78 Accepts]: Start accepts. Automaton has 688 states and 1006 transitions. Word has length 179 [2022-07-22 17:29:16,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:29:16,276 INFO L495 AbstractCegarLoop]: Abstraction has 688 states and 1006 transitions. [2022-07-22 17:29:16,276 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 10.0) internal successors, (100), 8 states have internal predecessors, (100), 4 states have call successors, (28), 6 states have call predecessors, (28), 3 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) [2022-07-22 17:29:16,276 INFO L276 IsEmpty]: Start isEmpty. Operand 688 states and 1006 transitions. [2022-07-22 17:29:16,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-07-22 17:29:16,278 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:29:16,278 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 17:29:16,278 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-22 17:29:16,278 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:29:16,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:29:16,279 INFO L85 PathProgramCache]: Analyzing trace with hash -1373252677, now seen corresponding path program 2 times [2022-07-22 17:29:16,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:29:16,279 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360004805] [2022-07-22 17:29:16,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:29:16,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:29:16,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:16,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 17:29:16,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:16,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 17:29:16,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:16,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-22 17:29:16,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:16,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-22 17:29:16,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:16,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-22 17:29:16,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:16,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-22 17:29:16,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:16,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-22 17:29:16,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:16,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-22 17:29:16,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:16,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-22 17:29:16,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:16,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 17:29:16,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:16,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-22 17:29:16,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:16,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-22 17:29:16,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:16,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 17:29:16,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:16,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-22 17:29:16,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:16,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-22 17:29:16,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:16,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 17:29:16,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:16,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-22 17:29:16,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:16,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-22 17:29:16,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:16,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-22 17:29:16,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:16,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-22 17:29:16,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:16,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-07-22 17:29:16,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:16,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-07-22 17:29:16,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:16,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-22 17:29:16,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:16,394 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-07-22 17:29:16,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:29:16,395 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360004805] [2022-07-22 17:29:16,395 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1360004805] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:29:16,395 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:29:16,395 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-07-22 17:29:16,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351483625] [2022-07-22 17:29:16,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:29:16,396 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-22 17:29:16,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:29:16,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-22 17:29:16,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2022-07-22 17:29:16,396 INFO L87 Difference]: Start difference. First operand 688 states and 1006 transitions. Second operand has 12 states, 10 states have (on average 10.1) internal successors, (101), 8 states have internal predecessors, (101), 4 states have call successors, (28), 6 states have call predecessors, (28), 3 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) [2022-07-22 17:29:19,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:29:19,131 INFO L93 Difference]: Finished difference Result 1450 states and 2168 transitions. [2022-07-22 17:29:19,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-07-22 17:29:19,131 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 10.1) internal successors, (101), 8 states have internal predecessors, (101), 4 states have call successors, (28), 6 states have call predecessors, (28), 3 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) Word has length 180 [2022-07-22 17:29:19,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:29:19,135 INFO L225 Difference]: With dead ends: 1450 [2022-07-22 17:29:19,135 INFO L226 Difference]: Without dead ends: 834 [2022-07-22 17:29:19,137 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=122, Invalid=478, Unknown=0, NotChecked=0, Total=600 [2022-07-22 17:29:19,137 INFO L413 NwaCegarLoop]: 853 mSDtfsCounter, 2173 mSDsluCounter, 1935 mSDsCounter, 0 mSdLazyCounter, 5053 mSolverCounterSat, 903 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2173 SdHoareTripleChecker+Valid, 2788 SdHoareTripleChecker+Invalid, 5956 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 903 IncrementalHoareTripleChecker+Valid, 5053 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-07-22 17:29:19,138 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2173 Valid, 2788 Invalid, 5956 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [903 Valid, 5053 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-07-22 17:29:19,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 834 states. [2022-07-22 17:29:19,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 834 to 690. [2022-07-22 17:29:19,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 690 states, 525 states have (on average 1.4628571428571429) internal successors, (768), 538 states have internal predecessors, (768), 117 states have call successors, (117), 44 states have call predecessors, (117), 47 states have return successors, (124), 115 states have call predecessors, (124), 116 states have call successors, (124) [2022-07-22 17:29:19,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 690 states to 690 states and 1009 transitions. [2022-07-22 17:29:19,180 INFO L78 Accepts]: Start accepts. Automaton has 690 states and 1009 transitions. Word has length 180 [2022-07-22 17:29:19,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:29:19,181 INFO L495 AbstractCegarLoop]: Abstraction has 690 states and 1009 transitions. [2022-07-22 17:29:19,181 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 10.1) internal successors, (101), 8 states have internal predecessors, (101), 4 states have call successors, (28), 6 states have call predecessors, (28), 3 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) [2022-07-22 17:29:19,181 INFO L276 IsEmpty]: Start isEmpty. Operand 690 states and 1009 transitions. [2022-07-22 17:29:19,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2022-07-22 17:29:19,183 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:29:19,183 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 17:29:19,183 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-22 17:29:19,183 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:29:19,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:29:19,184 INFO L85 PathProgramCache]: Analyzing trace with hash -349890644, now seen corresponding path program 1 times [2022-07-22 17:29:19,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:29:19,184 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996674374] [2022-07-22 17:29:19,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:29:19,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:29:19,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:19,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 17:29:19,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:19,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 17:29:19,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:19,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-22 17:29:19,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:19,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-22 17:29:19,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:19,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-22 17:29:19,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:19,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-22 17:29:19,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:19,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-22 17:29:19,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:19,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-22 17:29:19,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:19,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-22 17:29:19,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:19,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 17:29:19,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:19,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-22 17:29:19,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:19,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-22 17:29:19,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:19,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 17:29:19,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:19,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-22 17:29:19,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:19,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-22 17:29:19,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:19,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 17:29:19,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:19,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-22 17:29:19,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:19,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-22 17:29:19,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:19,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-22 17:29:19,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:19,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-22 17:29:19,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:19,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-22 17:29:19,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:19,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-22 17:29:19,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:19,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-22 17:29:19,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:19,317 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-07-22 17:29:19,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:29:19,317 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996674374] [2022-07-22 17:29:19,317 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1996674374] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:29:19,317 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:29:19,317 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-07-22 17:29:19,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5640714] [2022-07-22 17:29:19,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:29:19,318 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-22 17:29:19,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:29:19,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-22 17:29:19,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2022-07-22 17:29:19,319 INFO L87 Difference]: Start difference. First operand 690 states and 1009 transitions. Second operand has 12 states, 10 states have (on average 10.2) internal successors, (102), 8 states have internal predecessors, (102), 4 states have call successors, (28), 6 states have call predecessors, (28), 3 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) [2022-07-22 17:29:21,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:29:21,961 INFO L93 Difference]: Finished difference Result 1448 states and 2165 transitions. [2022-07-22 17:29:21,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-07-22 17:29:21,961 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 10.2) internal successors, (102), 8 states have internal predecessors, (102), 4 states have call successors, (28), 6 states have call predecessors, (28), 3 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) Word has length 181 [2022-07-22 17:29:21,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:29:21,966 INFO L225 Difference]: With dead ends: 1448 [2022-07-22 17:29:21,966 INFO L226 Difference]: Without dead ends: 832 [2022-07-22 17:29:21,967 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=146, Invalid=504, Unknown=0, NotChecked=0, Total=650 [2022-07-22 17:29:21,968 INFO L413 NwaCegarLoop]: 853 mSDtfsCounter, 2169 mSDsluCounter, 1935 mSDsCounter, 0 mSdLazyCounter, 5062 mSolverCounterSat, 892 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2169 SdHoareTripleChecker+Valid, 2788 SdHoareTripleChecker+Invalid, 5954 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 892 IncrementalHoareTripleChecker+Valid, 5062 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-07-22 17:29:21,968 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2169 Valid, 2788 Invalid, 5954 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [892 Valid, 5062 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-07-22 17:29:21,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 832 states. [2022-07-22 17:29:21,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 832 to 690. [2022-07-22 17:29:21,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 690 states, 525 states have (on average 1.4628571428571429) internal successors, (768), 538 states have internal predecessors, (768), 117 states have call successors, (117), 44 states have call predecessors, (117), 47 states have return successors, (124), 115 states have call predecessors, (124), 116 states have call successors, (124) [2022-07-22 17:29:21,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 690 states to 690 states and 1009 transitions. [2022-07-22 17:29:21,995 INFO L78 Accepts]: Start accepts. Automaton has 690 states and 1009 transitions. Word has length 181 [2022-07-22 17:29:21,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:29:21,995 INFO L495 AbstractCegarLoop]: Abstraction has 690 states and 1009 transitions. [2022-07-22 17:29:21,996 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 10.2) internal successors, (102), 8 states have internal predecessors, (102), 4 states have call successors, (28), 6 states have call predecessors, (28), 3 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) [2022-07-22 17:29:21,996 INFO L276 IsEmpty]: Start isEmpty. Operand 690 states and 1009 transitions. [2022-07-22 17:29:21,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2022-07-22 17:29:21,998 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:29:21,998 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 17:29:21,998 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-22 17:29:21,998 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:29:21,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:29:21,999 INFO L85 PathProgramCache]: Analyzing trace with hash 707947434, now seen corresponding path program 1 times [2022-07-22 17:29:21,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:29:21,999 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416912177] [2022-07-22 17:29:21,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:29:21,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:29:22,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:22,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 17:29:22,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:22,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 17:29:22,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:22,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-22 17:29:22,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:22,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-22 17:29:22,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:22,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-22 17:29:22,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:22,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-22 17:29:22,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:22,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-22 17:29:22,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:22,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-22 17:29:22,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:22,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-22 17:29:22,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:22,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 17:29:22,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:22,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-22 17:29:22,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:22,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-22 17:29:22,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:22,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 17:29:22,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:22,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-22 17:29:22,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:22,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-22 17:29:22,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:22,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 17:29:22,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:22,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-22 17:29:22,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:22,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-22 17:29:22,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:22,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-22 17:29:22,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:22,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-22 17:29:22,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:22,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-22 17:29:22,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:22,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-22 17:29:22,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:22,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-22 17:29:22,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:22,124 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2022-07-22 17:29:22,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:29:22,124 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416912177] [2022-07-22 17:29:22,124 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1416912177] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:29:22,124 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:29:22,124 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-07-22 17:29:22,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967818524] [2022-07-22 17:29:22,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:29:22,125 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-22 17:29:22,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:29:22,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-22 17:29:22,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2022-07-22 17:29:22,126 INFO L87 Difference]: Start difference. First operand 690 states and 1009 transitions. Second operand has 13 states, 11 states have (on average 9.545454545454545) internal successors, (105), 8 states have internal predecessors, (105), 4 states have call successors, (28), 6 states have call predecessors, (28), 4 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) [2022-07-22 17:29:25,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:29:25,064 INFO L93 Difference]: Finished difference Result 1445 states and 2159 transitions. [2022-07-22 17:29:25,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-07-22 17:29:25,064 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 9.545454545454545) internal successors, (105), 8 states have internal predecessors, (105), 4 states have call successors, (28), 6 states have call predecessors, (28), 4 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) Word has length 181 [2022-07-22 17:29:25,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:29:25,068 INFO L225 Difference]: With dead ends: 1445 [2022-07-22 17:29:25,068 INFO L226 Difference]: Without dead ends: 832 [2022-07-22 17:29:25,069 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=141, Invalid=561, Unknown=0, NotChecked=0, Total=702 [2022-07-22 17:29:25,069 INFO L413 NwaCegarLoop]: 856 mSDtfsCounter, 1956 mSDsluCounter, 2358 mSDsCounter, 0 mSdLazyCounter, 6072 mSolverCounterSat, 841 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1976 SdHoareTripleChecker+Valid, 3214 SdHoareTripleChecker+Invalid, 6913 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 841 IncrementalHoareTripleChecker+Valid, 6072 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-07-22 17:29:25,070 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1976 Valid, 3214 Invalid, 6913 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [841 Valid, 6072 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-07-22 17:29:25,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 832 states. [2022-07-22 17:29:25,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 832 to 690. [2022-07-22 17:29:25,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 690 states, 525 states have (on average 1.4628571428571429) internal successors, (768), 538 states have internal predecessors, (768), 117 states have call successors, (117), 44 states have call predecessors, (117), 47 states have return successors, (123), 115 states have call predecessors, (123), 116 states have call successors, (123) [2022-07-22 17:29:25,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 690 states to 690 states and 1008 transitions. [2022-07-22 17:29:25,098 INFO L78 Accepts]: Start accepts. Automaton has 690 states and 1008 transitions. Word has length 181 [2022-07-22 17:29:25,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:29:25,098 INFO L495 AbstractCegarLoop]: Abstraction has 690 states and 1008 transitions. [2022-07-22 17:29:25,098 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 9.545454545454545) internal successors, (105), 8 states have internal predecessors, (105), 4 states have call successors, (28), 6 states have call predecessors, (28), 4 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) [2022-07-22 17:29:25,099 INFO L276 IsEmpty]: Start isEmpty. Operand 690 states and 1008 transitions. [2022-07-22 17:29:25,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2022-07-22 17:29:25,100 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:29:25,100 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 17:29:25,100 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-07-22 17:29:25,101 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:29:25,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:29:25,101 INFO L85 PathProgramCache]: Analyzing trace with hash -1086892493, now seen corresponding path program 2 times [2022-07-22 17:29:25,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:29:25,101 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254448707] [2022-07-22 17:29:25,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:29:25,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:29:25,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:25,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 17:29:25,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:25,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 17:29:25,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:25,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-22 17:29:25,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:25,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-22 17:29:25,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:25,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-22 17:29:25,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:25,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-22 17:29:25,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:25,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-22 17:29:25,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:25,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-22 17:29:25,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:25,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-22 17:29:25,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:25,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 17:29:25,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:25,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-22 17:29:25,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:25,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-22 17:29:25,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:25,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 17:29:25,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:25,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-22 17:29:25,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:25,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-22 17:29:25,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:25,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 17:29:25,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:25,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-22 17:29:25,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:25,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-22 17:29:25,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:25,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-07-22 17:29:25,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:25,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-22 17:29:25,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:25,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-07-22 17:29:25,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:25,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-22 17:29:25,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:25,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-07-22 17:29:25,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:25,228 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2022-07-22 17:29:25,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:29:25,228 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254448707] [2022-07-22 17:29:25,228 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1254448707] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:29:25,228 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:29:25,229 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-07-22 17:29:25,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193724031] [2022-07-22 17:29:25,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:29:25,229 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-22 17:29:25,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:29:25,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-22 17:29:25,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2022-07-22 17:29:25,230 INFO L87 Difference]: Start difference. First operand 690 states and 1008 transitions. Second operand has 13 states, 11 states have (on average 9.636363636363637) internal successors, (106), 8 states have internal predecessors, (106), 4 states have call successors, (28), 6 states have call predecessors, (28), 4 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) [2022-07-22 17:29:28,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:29:28,204 INFO L93 Difference]: Finished difference Result 1447 states and 2165 transitions. [2022-07-22 17:29:28,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-07-22 17:29:28,205 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 9.636363636363637) internal successors, (106), 8 states have internal predecessors, (106), 4 states have call successors, (28), 6 states have call predecessors, (28), 4 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) Word has length 182 [2022-07-22 17:29:28,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:29:28,225 INFO L225 Difference]: With dead ends: 1447 [2022-07-22 17:29:28,225 INFO L226 Difference]: Without dead ends: 834 [2022-07-22 17:29:28,226 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=141, Invalid=561, Unknown=0, NotChecked=0, Total=702 [2022-07-22 17:29:28,227 INFO L413 NwaCegarLoop]: 851 mSDtfsCounter, 1972 mSDsluCounter, 2358 mSDsCounter, 0 mSdLazyCounter, 6079 mSolverCounterSat, 842 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1991 SdHoareTripleChecker+Valid, 3209 SdHoareTripleChecker+Invalid, 6921 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 842 IncrementalHoareTripleChecker+Valid, 6079 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-07-22 17:29:28,227 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1991 Valid, 3209 Invalid, 6921 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [842 Valid, 6079 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-07-22 17:29:28,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 834 states. [2022-07-22 17:29:28,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 834 to 692. [2022-07-22 17:29:28,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 692 states, 526 states have (on average 1.461977186311787) internal successors, (769), 540 states have internal predecessors, (769), 117 states have call successors, (117), 44 states have call predecessors, (117), 48 states have return successors, (128), 115 states have call predecessors, (128), 116 states have call successors, (128) [2022-07-22 17:29:28,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 692 states to 692 states and 1014 transitions. [2022-07-22 17:29:28,261 INFO L78 Accepts]: Start accepts. Automaton has 692 states and 1014 transitions. Word has length 182 [2022-07-22 17:29:28,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:29:28,261 INFO L495 AbstractCegarLoop]: Abstraction has 692 states and 1014 transitions. [2022-07-22 17:29:28,261 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 9.636363636363637) internal successors, (106), 8 states have internal predecessors, (106), 4 states have call successors, (28), 6 states have call predecessors, (28), 4 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) [2022-07-22 17:29:28,262 INFO L276 IsEmpty]: Start isEmpty. Operand 692 states and 1014 transitions. [2022-07-22 17:29:28,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2022-07-22 17:29:28,263 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:29:28,263 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 17:29:28,264 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-07-22 17:29:28,264 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:29:28,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:29:28,264 INFO L85 PathProgramCache]: Analyzing trace with hash 1325701733, now seen corresponding path program 1 times [2022-07-22 17:29:28,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:29:28,264 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384123795] [2022-07-22 17:29:28,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:29:28,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:29:28,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:28,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 17:29:28,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:28,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 17:29:28,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:28,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-22 17:29:28,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:28,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-22 17:29:28,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:28,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-22 17:29:28,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:28,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-22 17:29:28,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:28,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-22 17:29:28,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:28,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-22 17:29:28,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:28,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-22 17:29:28,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:28,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 17:29:28,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:28,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-22 17:29:28,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:28,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-22 17:29:28,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:28,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 17:29:28,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:28,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-22 17:29:28,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:28,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-22 17:29:28,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:28,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 17:29:28,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:28,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-22 17:29:28,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:28,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-22 17:29:28,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:28,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-22 17:29:28,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:28,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-22 17:29:28,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:28,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-22 17:29:28,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:28,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-22 17:29:28,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:28,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-22 17:29:28,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:28,360 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2022-07-22 17:29:28,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:29:28,360 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384123795] [2022-07-22 17:29:28,360 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [384123795] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 17:29:28,360 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [631795324] [2022-07-22 17:29:28,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:29:28,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 17:29:28,361 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 17:29:28,376 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-22 17:29:28,377 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-07-22 17:29:28,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:28,702 INFO L263 TraceCheckSpWp]: Trace formula consists of 1449 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-22 17:29:28,705 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 17:29:28,723 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2022-07-22 17:29:28,723 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 17:29:28,795 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2022-07-22 17:29:28,795 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [631795324] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 17:29:28,795 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-22 17:29:28,795 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 11 [2022-07-22 17:29:28,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053258138] [2022-07-22 17:29:28,795 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-22 17:29:28,796 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-22 17:29:28,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:29:28,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-22 17:29:28,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2022-07-22 17:29:28,797 INFO L87 Difference]: Start difference. First operand 692 states and 1014 transitions. Second operand has 11 states, 11 states have (on average 12.454545454545455) internal successors, (137), 7 states have internal predecessors, (137), 2 states have call successors, (46), 6 states have call predecessors, (46), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-07-22 17:29:31,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:29:31,121 INFO L93 Difference]: Finished difference Result 1721 states and 2648 transitions. [2022-07-22 17:29:31,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-22 17:29:31,121 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 12.454545454545455) internal successors, (137), 7 states have internal predecessors, (137), 2 states have call successors, (46), 6 states have call predecessors, (46), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 183 [2022-07-22 17:29:31,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:29:31,127 INFO L225 Difference]: With dead ends: 1721 [2022-07-22 17:29:31,127 INFO L226 Difference]: Without dead ends: 1397 [2022-07-22 17:29:31,129 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 424 GetRequests, 409 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2022-07-22 17:29:31,129 INFO L413 NwaCegarLoop]: 960 mSDtfsCounter, 2306 mSDsluCounter, 1931 mSDsCounter, 0 mSdLazyCounter, 3315 mSolverCounterSat, 993 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2360 SdHoareTripleChecker+Valid, 2891 SdHoareTripleChecker+Invalid, 4308 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 993 IncrementalHoareTripleChecker+Valid, 3315 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-07-22 17:29:31,129 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2360 Valid, 2891 Invalid, 4308 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [993 Valid, 3315 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-07-22 17:29:31,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1397 states. [2022-07-22 17:29:31,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1397 to 1231. [2022-07-22 17:29:31,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1231 states, 986 states have (on average 1.5141987829614605) internal successors, (1493), 1000 states have internal predecessors, (1493), 196 states have call successors, (196), 44 states have call predecessors, (196), 48 states have return successors, (217), 194 states have call predecessors, (217), 195 states have call successors, (217) [2022-07-22 17:29:31,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1231 states to 1231 states and 1906 transitions. [2022-07-22 17:29:31,182 INFO L78 Accepts]: Start accepts. Automaton has 1231 states and 1906 transitions. Word has length 183 [2022-07-22 17:29:31,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:29:31,182 INFO L495 AbstractCegarLoop]: Abstraction has 1231 states and 1906 transitions. [2022-07-22 17:29:31,183 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 12.454545454545455) internal successors, (137), 7 states have internal predecessors, (137), 2 states have call successors, (46), 6 states have call predecessors, (46), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-07-22 17:29:31,183 INFO L276 IsEmpty]: Start isEmpty. Operand 1231 states and 1906 transitions. [2022-07-22 17:29:31,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-07-22 17:29:31,186 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:29:31,186 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 17:29:31,221 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-07-22 17:29:31,404 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-07-22 17:29:31,405 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:29:31,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:29:31,405 INFO L85 PathProgramCache]: Analyzing trace with hash 974573443, now seen corresponding path program 1 times [2022-07-22 17:29:31,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:29:31,406 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664943168] [2022-07-22 17:29:31,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:29:31,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:29:31,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:31,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 17:29:31,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:31,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 17:29:31,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:31,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-22 17:29:31,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:31,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-22 17:29:31,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:31,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-22 17:29:31,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:31,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-22 17:29:31,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:31,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-22 17:29:31,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:31,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-22 17:29:31,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:31,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-22 17:29:31,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:31,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 17:29:31,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:31,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-22 17:29:31,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:31,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-22 17:29:31,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:31,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 17:29:31,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:31,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-22 17:29:31,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:31,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-22 17:29:31,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:31,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 17:29:31,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:31,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-22 17:29:31,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:31,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-07-22 17:29:31,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:31,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-22 17:29:31,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:31,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-22 17:29:31,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:31,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-22 17:29:31,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:31,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-22 17:29:31,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:31,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-22 17:29:31,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:31,536 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2022-07-22 17:29:31,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:29:31,536 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664943168] [2022-07-22 17:29:31,537 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1664943168] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:29:31,537 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:29:31,537 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-22 17:29:31,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317153515] [2022-07-22 17:29:31,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:29:31,538 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-22 17:29:31,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:29:31,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-22 17:29:31,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-22 17:29:31,539 INFO L87 Difference]: Start difference. First operand 1231 states and 1906 transitions. Second operand has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 3 states have internal predecessors, (106), 2 states have call successors, (28), 6 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-07-22 17:29:33,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:29:33,238 INFO L93 Difference]: Finished difference Result 2978 states and 4732 transitions. [2022-07-22 17:29:33,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-22 17:29:33,238 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 3 states have internal predecessors, (106), 2 states have call successors, (28), 6 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 187 [2022-07-22 17:29:33,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:29:33,245 INFO L225 Difference]: With dead ends: 2978 [2022-07-22 17:29:33,245 INFO L226 Difference]: Without dead ends: 1882 [2022-07-22 17:29:33,248 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-07-22 17:29:33,249 INFO L413 NwaCegarLoop]: 898 mSDtfsCounter, 1962 mSDsluCounter, 1093 mSDsCounter, 0 mSdLazyCounter, 1399 mSolverCounterSat, 904 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1980 SdHoareTripleChecker+Valid, 1991 SdHoareTripleChecker+Invalid, 2303 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 904 IncrementalHoareTripleChecker+Valid, 1399 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-22 17:29:33,249 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1980 Valid, 1991 Invalid, 2303 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [904 Valid, 1399 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-22 17:29:33,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1882 states. [2022-07-22 17:29:33,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1882 to 1732. [2022-07-22 17:29:33,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1732 states, 1408 states have (on average 1.5262784090909092) internal successors, (2149), 1422 states have internal predecessors, (2149), 275 states have call successors, (275), 44 states have call predecessors, (275), 48 states have return successors, (306), 273 states have call predecessors, (306), 274 states have call successors, (306) [2022-07-22 17:29:33,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1732 states to 1732 states and 2730 transitions. [2022-07-22 17:29:33,313 INFO L78 Accepts]: Start accepts. Automaton has 1732 states and 2730 transitions. Word has length 187 [2022-07-22 17:29:33,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:29:33,314 INFO L495 AbstractCegarLoop]: Abstraction has 1732 states and 2730 transitions. [2022-07-22 17:29:33,314 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 3 states have internal predecessors, (106), 2 states have call successors, (28), 6 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-07-22 17:29:33,314 INFO L276 IsEmpty]: Start isEmpty. Operand 1732 states and 2730 transitions. [2022-07-22 17:29:33,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2022-07-22 17:29:33,319 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:29:33,319 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 17:29:33,320 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-07-22 17:29:33,320 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:29:33,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:29:33,320 INFO L85 PathProgramCache]: Analyzing trace with hash -334877615, now seen corresponding path program 1 times [2022-07-22 17:29:33,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:29:33,320 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686615790] [2022-07-22 17:29:33,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:29:33,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:29:33,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:33,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 17:29:33,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:33,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 17:29:33,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:33,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-22 17:29:33,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:33,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-22 17:29:33,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:33,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-22 17:29:33,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:33,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-22 17:29:33,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:33,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-22 17:29:33,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:33,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-22 17:29:33,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:33,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-22 17:29:33,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:33,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 17:29:33,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:33,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-22 17:29:33,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:33,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-22 17:29:33,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:33,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 17:29:33,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:33,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-22 17:29:33,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:33,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-22 17:29:33,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:33,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 17:29:33,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:33,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-22 17:29:33,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:33,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-22 17:29:33,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:33,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-22 17:29:33,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:33,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-22 17:29:33,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:33,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-22 17:29:33,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:33,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-22 17:29:33,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:33,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-22 17:29:33,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:33,412 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2022-07-22 17:29:33,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:29:33,413 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686615790] [2022-07-22 17:29:33,413 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [686615790] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:29:33,413 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:29:33,413 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-22 17:29:33,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534301051] [2022-07-22 17:29:33,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:29:33,414 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-22 17:29:33,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:29:33,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-22 17:29:33,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-22 17:29:33,415 INFO L87 Difference]: Start difference. First operand 1732 states and 2730 transitions. Second operand has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (28), 6 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-07-22 17:29:35,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:29:35,193 INFO L93 Difference]: Finished difference Result 4225 states and 6789 transitions. [2022-07-22 17:29:35,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-22 17:29:35,194 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (28), 6 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 188 [2022-07-22 17:29:35,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:29:35,204 INFO L225 Difference]: With dead ends: 4225 [2022-07-22 17:29:35,205 INFO L226 Difference]: Without dead ends: 2691 [2022-07-22 17:29:35,209 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-07-22 17:29:35,210 INFO L413 NwaCegarLoop]: 887 mSDtfsCounter, 1972 mSDsluCounter, 1072 mSDsCounter, 0 mSdLazyCounter, 1415 mSolverCounterSat, 886 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1991 SdHoareTripleChecker+Valid, 1959 SdHoareTripleChecker+Invalid, 2301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 886 IncrementalHoareTripleChecker+Valid, 1415 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-22 17:29:35,210 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1991 Valid, 1959 Invalid, 2301 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [886 Valid, 1415 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-22 17:29:35,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2691 states. [2022-07-22 17:29:35,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2691 to 2541. [2022-07-22 17:29:35,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2541 states, 2098 states have (on average 1.5390848427073403) internal successors, (3229), 2112 states have internal predecessors, (3229), 394 states have call successors, (394), 44 states have call predecessors, (394), 48 states have return successors, (425), 392 states have call predecessors, (425), 393 states have call successors, (425) [2022-07-22 17:29:35,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2541 states to 2541 states and 4048 transitions. [2022-07-22 17:29:35,311 INFO L78 Accepts]: Start accepts. Automaton has 2541 states and 4048 transitions. Word has length 188 [2022-07-22 17:29:35,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:29:35,312 INFO L495 AbstractCegarLoop]: Abstraction has 2541 states and 4048 transitions. [2022-07-22 17:29:35,312 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (28), 6 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-07-22 17:29:35,312 INFO L276 IsEmpty]: Start isEmpty. Operand 2541 states and 4048 transitions. [2022-07-22 17:29:35,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2022-07-22 17:29:35,319 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:29:35,319 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 17:29:35,320 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-07-22 17:29:35,320 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:29:35,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:29:35,320 INFO L85 PathProgramCache]: Analyzing trace with hash -1622690774, now seen corresponding path program 1 times [2022-07-22 17:29:35,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:29:35,320 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892389065] [2022-07-22 17:29:35,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:29:35,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:29:35,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:35,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 17:29:35,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:35,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 17:29:35,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:35,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-22 17:29:35,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:35,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-22 17:29:35,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:35,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-22 17:29:35,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:35,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-22 17:29:35,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:35,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-22 17:29:35,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:35,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-22 17:29:35,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:35,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-22 17:29:35,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:35,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 17:29:35,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:35,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-22 17:29:35,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:35,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-22 17:29:35,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:35,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 17:29:35,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:35,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-22 17:29:35,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:35,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-22 17:29:35,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:35,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 17:29:35,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:35,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-22 17:29:35,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:35,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-22 17:29:35,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:35,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-22 17:29:35,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:35,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-22 17:29:35,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:35,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-22 17:29:35,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:35,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-07-22 17:29:35,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:35,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-07-22 17:29:35,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:35,467 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2022-07-22 17:29:35,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:29:35,467 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892389065] [2022-07-22 17:29:35,468 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [892389065] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:29:35,468 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:29:35,468 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-22 17:29:35,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018370456] [2022-07-22 17:29:35,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:29:35,469 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-22 17:29:35,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:29:35,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-22 17:29:35,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-22 17:29:35,470 INFO L87 Difference]: Start difference. First operand 2541 states and 4048 transitions. Second operand has 7 states, 7 states have (on average 15.428571428571429) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (28), 6 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-07-22 17:29:37,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:29:37,145 INFO L93 Difference]: Finished difference Result 6124 states and 9946 transitions. [2022-07-22 17:29:37,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-22 17:29:37,146 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.428571428571429) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (28), 6 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 189 [2022-07-22 17:29:37,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:29:37,159 INFO L225 Difference]: With dead ends: 6124 [2022-07-22 17:29:37,159 INFO L226 Difference]: Without dead ends: 3938 [2022-07-22 17:29:37,164 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-07-22 17:29:37,164 INFO L413 NwaCegarLoop]: 887 mSDtfsCounter, 1955 mSDsluCounter, 1071 mSDsCounter, 0 mSdLazyCounter, 1390 mSolverCounterSat, 887 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1973 SdHoareTripleChecker+Valid, 1958 SdHoareTripleChecker+Invalid, 2277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 887 IncrementalHoareTripleChecker+Valid, 1390 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-22 17:29:37,164 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1973 Valid, 1958 Invalid, 2277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [887 Valid, 1390 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-22 17:29:37,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3938 states. [2022-07-22 17:29:37,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3938 to 3788. [2022-07-22 17:29:37,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3788 states, 3183 states have (on average 1.5497957901350927) internal successors, (4933), 3197 states have internal predecessors, (4933), 556 states have call successors, (556), 44 states have call predecessors, (556), 48 states have return successors, (603), 554 states have call predecessors, (603), 555 states have call successors, (603) [2022-07-22 17:29:37,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3788 states to 3788 states and 6092 transitions. [2022-07-22 17:29:37,288 INFO L78 Accepts]: Start accepts. Automaton has 3788 states and 6092 transitions. Word has length 189 [2022-07-22 17:29:37,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:29:37,290 INFO L495 AbstractCegarLoop]: Abstraction has 3788 states and 6092 transitions. [2022-07-22 17:29:37,290 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.428571428571429) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (28), 6 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-07-22 17:29:37,290 INFO L276 IsEmpty]: Start isEmpty. Operand 3788 states and 6092 transitions. [2022-07-22 17:29:37,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2022-07-22 17:29:37,298 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:29:37,298 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 17:29:37,298 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-07-22 17:29:37,299 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:29:37,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:29:37,300 INFO L85 PathProgramCache]: Analyzing trace with hash -983290919, now seen corresponding path program 1 times [2022-07-22 17:29:37,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:29:37,300 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640731086] [2022-07-22 17:29:37,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:29:37,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:29:37,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:37,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 17:29:37,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:37,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 17:29:37,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:37,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-22 17:29:37,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:37,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-22 17:29:37,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:37,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-22 17:29:37,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:37,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-22 17:29:37,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:37,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-22 17:29:37,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:37,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-22 17:29:37,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:37,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-22 17:29:37,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:37,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 17:29:37,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:37,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-22 17:29:37,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:37,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-22 17:29:37,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:37,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 17:29:37,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:37,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-22 17:29:37,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:37,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-22 17:29:37,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:37,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 17:29:37,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:37,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-22 17:29:37,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:37,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-07-22 17:29:37,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:37,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-22 17:29:37,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:37,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-22 17:29:37,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:37,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-22 17:29:37,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:37,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-22 17:29:37,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:37,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-22 17:29:37,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:37,402 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2022-07-22 17:29:37,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:29:37,402 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640731086] [2022-07-22 17:29:37,402 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [640731086] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:29:37,403 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:29:37,403 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-22 17:29:37,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956390587] [2022-07-22 17:29:37,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:29:37,404 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-22 17:29:37,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:29:37,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-22 17:29:37,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-22 17:29:37,405 INFO L87 Difference]: Start difference. First operand 3788 states and 6092 transitions. Second operand has 7 states, 7 states have (on average 15.571428571428571) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (28), 6 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-07-22 17:29:39,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:29:39,172 INFO L93 Difference]: Finished difference Result 9126 states and 14955 transitions. [2022-07-22 17:29:39,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-22 17:29:39,172 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.571428571428571) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (28), 6 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 190 [2022-07-22 17:29:39,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:29:39,196 INFO L225 Difference]: With dead ends: 9126 [2022-07-22 17:29:39,197 INFO L226 Difference]: Without dead ends: 5952 [2022-07-22 17:29:39,203 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-07-22 17:29:39,204 INFO L413 NwaCegarLoop]: 887 mSDtfsCounter, 1966 mSDsluCounter, 1071 mSDsCounter, 0 mSdLazyCounter, 1416 mSolverCounterSat, 878 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1984 SdHoareTripleChecker+Valid, 1958 SdHoareTripleChecker+Invalid, 2294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 878 IncrementalHoareTripleChecker+Valid, 1416 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-22 17:29:39,204 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1984 Valid, 1958 Invalid, 2294 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [878 Valid, 1416 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-22 17:29:39,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5952 states. [2022-07-22 17:29:39,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5952 to 5802. [2022-07-22 17:29:39,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5802 states, 4952 states have (on average 1.5587641357027464) internal successors, (7719), 4966 states have internal predecessors, (7719), 801 states have call successors, (801), 44 states have call predecessors, (801), 48 states have return successors, (874), 799 states have call predecessors, (874), 800 states have call successors, (874) [2022-07-22 17:29:39,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5802 states to 5802 states and 9394 transitions. [2022-07-22 17:29:39,598 INFO L78 Accepts]: Start accepts. Automaton has 5802 states and 9394 transitions. Word has length 190 [2022-07-22 17:29:39,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:29:39,599 INFO L495 AbstractCegarLoop]: Abstraction has 5802 states and 9394 transitions. [2022-07-22 17:29:39,599 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.571428571428571) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (28), 6 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-07-22 17:29:39,599 INFO L276 IsEmpty]: Start isEmpty. Operand 5802 states and 9394 transitions. [2022-07-22 17:29:39,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-07-22 17:29:39,609 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:29:39,609 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 17:29:39,609 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-07-22 17:29:39,609 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:29:39,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:29:39,610 INFO L85 PathProgramCache]: Analyzing trace with hash -1110044417, now seen corresponding path program 1 times [2022-07-22 17:29:39,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:29:39,610 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083618734] [2022-07-22 17:29:39,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:29:39,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:29:39,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:39,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 17:29:39,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:39,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 17:29:39,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:39,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-22 17:29:39,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:39,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-22 17:29:39,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:39,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-22 17:29:39,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:39,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-22 17:29:39,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:39,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-22 17:29:39,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:39,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-22 17:29:39,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:39,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-22 17:29:39,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:39,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 17:29:39,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:39,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-22 17:29:39,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:39,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-22 17:29:39,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:39,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 17:29:39,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:39,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-22 17:29:39,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:39,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-22 17:29:39,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:39,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 17:29:39,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:39,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-22 17:29:39,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:39,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-22 17:29:39,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:39,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-22 17:29:39,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:39,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-07-22 17:29:39,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:39,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-22 17:29:39,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:39,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-22 17:29:39,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:39,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-07-22 17:29:39,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:39,701 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2022-07-22 17:29:39,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:29:39,701 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083618734] [2022-07-22 17:29:39,701 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2083618734] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:29:39,701 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:29:39,701 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-22 17:29:39,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974225686] [2022-07-22 17:29:39,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:29:39,703 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-22 17:29:39,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:29:39,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-22 17:29:39,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-22 17:29:39,704 INFO L87 Difference]: Start difference. First operand 5802 states and 9394 transitions. Second operand has 7 states, 7 states have (on average 15.714285714285714) internal successors, (110), 3 states have internal predecessors, (110), 2 states have call successors, (28), 6 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-07-22 17:29:41,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:29:41,209 INFO L93 Difference]: Finished difference Result 14119 states and 23253 transitions. [2022-07-22 17:29:41,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-22 17:29:41,209 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.714285714285714) internal successors, (110), 3 states have internal predecessors, (110), 2 states have call successors, (28), 6 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 191 [2022-07-22 17:29:41,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:29:41,232 INFO L225 Difference]: With dead ends: 14119 [2022-07-22 17:29:41,236 INFO L226 Difference]: Without dead ends: 9327 [2022-07-22 17:29:41,245 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-07-22 17:29:41,246 INFO L413 NwaCegarLoop]: 896 mSDtfsCounter, 1972 mSDsluCounter, 1110 mSDsCounter, 0 mSdLazyCounter, 1400 mSolverCounterSat, 892 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1990 SdHoareTripleChecker+Valid, 2006 SdHoareTripleChecker+Invalid, 2292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 892 IncrementalHoareTripleChecker+Valid, 1400 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-07-22 17:29:41,246 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1990 Valid, 2006 Invalid, 2292 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [892 Valid, 1400 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-22 17:29:41,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9327 states. [2022-07-22 17:29:41,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9327 to 9177. [2022-07-22 17:29:41,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9177 states, 7834 states have (on average 1.5564207301506254) internal successors, (12193), 7848 states have internal predecessors, (12193), 1294 states have call successors, (1294), 44 states have call predecessors, (1294), 48 states have return successors, (1411), 1292 states have call predecessors, (1411), 1293 states have call successors, (1411) [2022-07-22 17:29:41,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9177 states to 9177 states and 14898 transitions. [2022-07-22 17:29:41,629 INFO L78 Accepts]: Start accepts. Automaton has 9177 states and 14898 transitions. Word has length 191 [2022-07-22 17:29:41,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:29:41,630 INFO L495 AbstractCegarLoop]: Abstraction has 9177 states and 14898 transitions. [2022-07-22 17:29:41,630 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.714285714285714) internal successors, (110), 3 states have internal predecessors, (110), 2 states have call successors, (28), 6 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-07-22 17:29:41,639 INFO L276 IsEmpty]: Start isEmpty. Operand 9177 states and 14898 transitions. [2022-07-22 17:29:41,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2022-07-22 17:29:41,667 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:29:41,667 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 17:29:41,667 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-07-22 17:29:41,668 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:29:41,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:29:41,668 INFO L85 PathProgramCache]: Analyzing trace with hash -833734908, now seen corresponding path program 1 times [2022-07-22 17:29:41,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:29:41,668 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419113105] [2022-07-22 17:29:41,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:29:41,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:29:41,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:41,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 17:29:41,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:41,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 17:29:41,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:41,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-22 17:29:41,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:41,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-22 17:29:41,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:41,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-22 17:29:41,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:41,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-22 17:29:41,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:41,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-22 17:29:41,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:41,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-22 17:29:41,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:41,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-22 17:29:41,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:41,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 17:29:41,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:41,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-22 17:29:41,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:41,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-22 17:29:41,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:41,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 17:29:41,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:41,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-22 17:29:41,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:41,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-22 17:29:41,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:41,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 17:29:41,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:41,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-22 17:29:41,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:41,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-22 17:29:41,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:41,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-22 17:29:41,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:41,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-22 17:29:41,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:41,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-07-22 17:29:41,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:41,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-22 17:29:41,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:41,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-07-22 17:29:41,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:41,793 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2022-07-22 17:29:41,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:29:41,793 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1419113105] [2022-07-22 17:29:41,793 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1419113105] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:29:41,793 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:29:41,793 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-22 17:29:41,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536472292] [2022-07-22 17:29:41,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:29:41,794 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-22 17:29:41,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:29:41,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-22 17:29:41,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-22 17:29:41,794 INFO L87 Difference]: Start difference. First operand 9177 states and 14898 transitions. Second operand has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (28), 6 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-07-22 17:29:43,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:29:43,569 INFO L93 Difference]: Finished difference Result 23072 states and 38129 transitions. [2022-07-22 17:29:43,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-22 17:29:43,570 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (28), 6 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 192 [2022-07-22 17:29:43,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:29:43,666 INFO L225 Difference]: With dead ends: 23072 [2022-07-22 17:29:43,679 INFO L226 Difference]: Without dead ends: 15401 [2022-07-22 17:29:43,710 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-07-22 17:29:43,711 INFO L413 NwaCegarLoop]: 890 mSDtfsCounter, 1962 mSDsluCounter, 1076 mSDsCounter, 0 mSdLazyCounter, 1424 mSolverCounterSat, 889 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1980 SdHoareTripleChecker+Valid, 1966 SdHoareTripleChecker+Invalid, 2313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 889 IncrementalHoareTripleChecker+Valid, 1424 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-07-22 17:29:43,711 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1980 Valid, 1966 Invalid, 2313 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [889 Valid, 1424 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-22 17:29:43,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15401 states. [2022-07-22 17:29:44,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15401 to 15251. [2022-07-22 17:29:44,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15251 states, 13086 states have (on average 1.5623567171022468) internal successors, (20445), 13100 states have internal predecessors, (20445), 2116 states have call successors, (2116), 44 states have call predecessors, (2116), 48 states have return successors, (2311), 2114 states have call predecessors, (2311), 2115 states have call successors, (2311) [2022-07-22 17:29:44,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15251 states to 15251 states and 24872 transitions. [2022-07-22 17:29:44,428 INFO L78 Accepts]: Start accepts. Automaton has 15251 states and 24872 transitions. Word has length 192 [2022-07-22 17:29:44,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:29:44,428 INFO L495 AbstractCegarLoop]: Abstraction has 15251 states and 24872 transitions. [2022-07-22 17:29:44,428 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (28), 6 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-07-22 17:29:44,428 INFO L276 IsEmpty]: Start isEmpty. Operand 15251 states and 24872 transitions. [2022-07-22 17:29:44,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-07-22 17:29:44,446 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:29:44,446 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 17:29:44,446 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-07-22 17:29:44,446 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:29:44,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:29:44,447 INFO L85 PathProgramCache]: Analyzing trace with hash 5220358, now seen corresponding path program 1 times [2022-07-22 17:29:44,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:29:44,447 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493096421] [2022-07-22 17:29:44,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:29:44,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:29:44,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:44,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 17:29:44,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:44,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 17:29:44,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:44,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-22 17:29:44,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:44,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-22 17:29:44,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:44,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-22 17:29:44,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:44,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-22 17:29:44,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:44,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-22 17:29:44,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:44,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-22 17:29:44,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:44,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-22 17:29:44,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:44,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 17:29:44,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:44,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-22 17:29:44,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:44,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-22 17:29:44,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:44,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 17:29:44,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:44,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-22 17:29:44,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:44,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-22 17:29:44,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:44,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 17:29:44,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:44,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-22 17:29:44,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:44,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-22 17:29:44,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:44,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-22 17:29:44,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:44,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-07-22 17:29:44,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:44,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-22 17:29:44,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:44,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-22 17:29:44,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:44,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-07-22 17:29:44,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:44,535 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2022-07-22 17:29:44,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:29:44,536 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493096421] [2022-07-22 17:29:44,536 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [493096421] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:29:44,536 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:29:44,536 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-22 17:29:44,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27418955] [2022-07-22 17:29:44,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:29:44,537 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-22 17:29:44,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:29:44,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-22 17:29:44,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-22 17:29:44,537 INFO L87 Difference]: Start difference. First operand 15251 states and 24872 transitions. Second operand has 7 states, 7 states have (on average 16.0) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (28), 6 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-07-22 17:29:46,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:29:46,821 INFO L93 Difference]: Finished difference Result 36881 states and 60513 transitions. [2022-07-22 17:29:46,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-22 17:29:46,822 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.0) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (28), 6 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 193 [2022-07-22 17:29:46,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:29:46,898 INFO L225 Difference]: With dead ends: 36881 [2022-07-22 17:29:46,898 INFO L226 Difference]: Without dead ends: 24270 [2022-07-22 17:29:46,925 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-07-22 17:29:46,925 INFO L413 NwaCegarLoop]: 890 mSDtfsCounter, 1969 mSDsluCounter, 1076 mSDsCounter, 0 mSdLazyCounter, 1376 mSolverCounterSat, 884 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1988 SdHoareTripleChecker+Valid, 1966 SdHoareTripleChecker+Invalid, 2260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 884 IncrementalHoareTripleChecker+Valid, 1376 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-22 17:29:46,926 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1988 Valid, 1966 Invalid, 2260 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [884 Valid, 1376 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-22 17:29:46,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24270 states. [2022-07-22 17:29:47,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24270 to 24120. [2022-07-22 17:29:47,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24120 states, 20752 states have (on average 1.5354182729375483) internal successors, (31863), 20766 states have internal predecessors, (31863), 3319 states have call successors, (3319), 44 states have call predecessors, (3319), 48 states have return successors, (3658), 3317 states have call predecessors, (3658), 3318 states have call successors, (3658) [2022-07-22 17:29:47,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24120 states to 24120 states and 38840 transitions. [2022-07-22 17:29:47,934 INFO L78 Accepts]: Start accepts. Automaton has 24120 states and 38840 transitions. Word has length 193 [2022-07-22 17:29:47,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:29:47,935 INFO L495 AbstractCegarLoop]: Abstraction has 24120 states and 38840 transitions. [2022-07-22 17:29:47,935 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.0) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (28), 6 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-07-22 17:29:47,935 INFO L276 IsEmpty]: Start isEmpty. Operand 24120 states and 38840 transitions. [2022-07-22 17:29:47,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2022-07-22 17:29:47,957 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:29:47,957 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 17:29:47,957 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-07-22 17:29:47,957 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:29:47,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:29:47,958 INFO L85 PathProgramCache]: Analyzing trace with hash 216518572, now seen corresponding path program 1 times [2022-07-22 17:29:47,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:29:47,958 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655928909] [2022-07-22 17:29:47,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:29:47,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:29:47,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:47,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 17:29:47,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:47,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 17:29:47,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:47,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-22 17:29:47,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:47,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-22 17:29:48,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:48,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-22 17:29:48,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:48,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-22 17:29:48,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:48,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-22 17:29:48,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:48,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-22 17:29:48,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:48,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-22 17:29:48,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:48,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 17:29:48,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:48,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-22 17:29:48,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:48,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-22 17:29:48,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:48,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 17:29:48,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:48,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-22 17:29:48,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:48,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-22 17:29:48,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:48,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 17:29:48,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:48,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-22 17:29:48,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:48,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-22 17:29:48,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:48,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-07-22 17:29:48,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:48,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-22 17:29:48,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:48,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-22 17:29:48,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:48,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-22 17:29:48,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:48,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-22 17:29:48,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:48,044 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2022-07-22 17:29:48,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:29:48,044 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1655928909] [2022-07-22 17:29:48,044 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1655928909] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:29:48,044 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:29:48,044 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-22 17:29:48,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470421964] [2022-07-22 17:29:48,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:29:48,045 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-22 17:29:48,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:29:48,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-22 17:29:48,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-22 17:29:48,045 INFO L87 Difference]: Start difference. First operand 24120 states and 38840 transitions. Second operand has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (28), 6 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-07-22 17:29:50,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:29:50,752 INFO L93 Difference]: Finished difference Result 63734 states and 104201 transitions. [2022-07-22 17:29:50,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-22 17:29:50,752 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (28), 6 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 194 [2022-07-22 17:29:50,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:29:50,884 INFO L225 Difference]: With dead ends: 63734 [2022-07-22 17:29:50,884 INFO L226 Difference]: Without dead ends: 43066 [2022-07-22 17:29:51,045 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-07-22 17:29:51,049 INFO L413 NwaCegarLoop]: 886 mSDtfsCounter, 1959 mSDsluCounter, 1073 mSDsCounter, 0 mSdLazyCounter, 1414 mSolverCounterSat, 890 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1978 SdHoareTripleChecker+Valid, 1959 SdHoareTripleChecker+Invalid, 2304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 890 IncrementalHoareTripleChecker+Valid, 1414 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-07-22 17:29:51,059 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1978 Valid, 1959 Invalid, 2304 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [890 Valid, 1414 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-22 17:29:51,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43066 states. [2022-07-22 17:29:52,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43066 to 42916. [2022-07-22 17:29:52,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42916 states, 37098 states have (on average 1.5354736104372204) internal successors, (56963), 37112 states have internal predecessors, (56963), 5769 states have call successors, (5769), 44 states have call predecessors, (5769), 48 states have return successors, (6382), 5767 states have call predecessors, (6382), 5768 states have call successors, (6382) [2022-07-22 17:29:53,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42916 states to 42916 states and 69114 transitions. [2022-07-22 17:29:53,072 INFO L78 Accepts]: Start accepts. Automaton has 42916 states and 69114 transitions. Word has length 194 [2022-07-22 17:29:53,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:29:53,072 INFO L495 AbstractCegarLoop]: Abstraction has 42916 states and 69114 transitions. [2022-07-22 17:29:53,073 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (28), 6 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-07-22 17:29:53,073 INFO L276 IsEmpty]: Start isEmpty. Operand 42916 states and 69114 transitions. [2022-07-22 17:29:53,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2022-07-22 17:29:53,095 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:29:53,096 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 17:29:53,096 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-07-22 17:29:53,096 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:29:53,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:29:53,096 INFO L85 PathProgramCache]: Analyzing trace with hash -71791303, now seen corresponding path program 1 times [2022-07-22 17:29:53,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:29:53,097 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489627370] [2022-07-22 17:29:53,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:29:53,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:29:53,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:53,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 17:29:53,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:53,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 17:29:53,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:53,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-22 17:29:53,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:53,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-22 17:29:53,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:53,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-22 17:29:53,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:53,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-22 17:29:53,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:53,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-22 17:29:53,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:53,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-22 17:29:53,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:53,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-22 17:29:53,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:53,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 17:29:53,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:53,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-22 17:29:53,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:53,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-22 17:29:53,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:53,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 17:29:53,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:53,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-22 17:29:53,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:53,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-22 17:29:53,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:53,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 17:29:53,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:53,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-22 17:29:53,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:53,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-22 17:29:53,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:53,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-22 17:29:53,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:53,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-22 17:29:53,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:53,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-07-22 17:29:53,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:53,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-22 17:29:53,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:53,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-22 17:29:53,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:53,180 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2022-07-22 17:29:53,180 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:29:53,180 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489627370] [2022-07-22 17:29:53,181 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1489627370] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:29:53,181 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:29:53,181 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-22 17:29:53,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597434865] [2022-07-22 17:29:53,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:29:53,181 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-22 17:29:53,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:29:53,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-22 17:29:53,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-22 17:29:53,182 INFO L87 Difference]: Start difference. First operand 42916 states and 69114 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, (28), 6 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-07-22 17:29:57,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:29:57,022 INFO L93 Difference]: Finished difference Result 116396 states and 190155 transitions. [2022-07-22 17:29:57,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-22 17:29:57,023 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, (28), 6 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 195 [2022-07-22 17:29:57,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:29:57,296 INFO L225 Difference]: With dead ends: 116396 [2022-07-22 17:29:57,296 INFO L226 Difference]: Without dead ends: 78108 [2022-07-22 17:29:57,388 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-07-22 17:29:57,389 INFO L413 NwaCegarLoop]: 896 mSDtfsCounter, 1934 mSDsluCounter, 1076 mSDsCounter, 0 mSdLazyCounter, 1423 mSolverCounterSat, 885 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1953 SdHoareTripleChecker+Valid, 1972 SdHoareTripleChecker+Invalid, 2308 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 885 IncrementalHoareTripleChecker+Valid, 1423 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-22 17:29:57,389 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1953 Valid, 1972 Invalid, 2308 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [885 Valid, 1423 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-22 17:29:57,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78108 states. [2022-07-22 17:30:01,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78108 to 77958. [2022-07-22 17:30:01,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77958 states, 67627 states have (on average 1.5391042039422125) internal successors, (104085), 67641 states have internal predecessors, (104085), 10282 states have call successors, (10282), 44 states have call predecessors, (10282), 48 states have return successors, (11427), 10280 states have call predecessors, (11427), 10281 states have call successors, (11427) [2022-07-22 17:30:02,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77958 states to 77958 states and 125794 transitions. [2022-07-22 17:30:02,091 INFO L78 Accepts]: Start accepts. Automaton has 77958 states and 125794 transitions. Word has length 195 [2022-07-22 17:30:02,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:30:02,092 INFO L495 AbstractCegarLoop]: Abstraction has 77958 states and 125794 transitions. [2022-07-22 17:30:02,092 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 3 states have internal predecessors, (114), 2 states have call successors, (28), 6 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-07-22 17:30:02,092 INFO L276 IsEmpty]: Start isEmpty. Operand 77958 states and 125794 transitions. [2022-07-22 17:30:02,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2022-07-22 17:30:02,127 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:30:02,127 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 17:30:02,127 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-07-22 17:30:02,127 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:30:02,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:30:02,128 INFO L85 PathProgramCache]: Analyzing trace with hash -2041400654, now seen corresponding path program 1 times [2022-07-22 17:30:02,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:30:02,128 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833020958] [2022-07-22 17:30:02,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:30:02,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:30:02,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:30:02,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 17:30:02,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:30:02,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 17:30:02,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:30:02,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-22 17:30:02,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:30:02,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-22 17:30:02,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:30:02,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-22 17:30:02,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:30:02,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-22 17:30:02,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:30:02,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-22 17:30:02,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:30:02,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-22 17:30:02,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:30:02,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-22 17:30:02,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:30:02,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 17:30:02,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:30:02,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-22 17:30:02,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:30:02,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-22 17:30:02,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:30:02,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 17:30:02,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:30:02,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-22 17:30:02,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:30:02,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-22 17:30:02,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:30:02,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 17:30:02,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:30:02,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-22 17:30:02,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:30:02,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-22 17:30:02,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:30:02,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-22 17:30:02,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:30:02,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-22 17:30:02,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:30:02,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-22 17:30:02,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:30:02,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-07-22 17:30:02,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:30:02,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-07-22 17:30:02,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:30:02,244 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2022-07-22 17:30:02,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:30:02,245 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833020958] [2022-07-22 17:30:02,245 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1833020958] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:30:02,245 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:30:02,245 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-22 17:30:02,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839739299] [2022-07-22 17:30:02,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:30:02,246 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-22 17:30:02,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:30:02,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-22 17:30:02,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-22 17:30:02,247 INFO L87 Difference]: Start difference. First operand 77958 states and 125794 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, (28), 6 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-07-22 17:30:07,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:30:07,990 INFO L93 Difference]: Finished difference Result 145857 states and 239416 transitions. [2022-07-22 17:30:07,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-22 17:30:07,992 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, (28), 6 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 196 [2022-07-22 17:30:07,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:30:08,764 INFO L225 Difference]: With dead ends: 145857 [2022-07-22 17:30:08,765 INFO L226 Difference]: Without dead ends: 145533 [2022-07-22 17:30:08,836 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-07-22 17:30:08,838 INFO L413 NwaCegarLoop]: 876 mSDtfsCounter, 1968 mSDsluCounter, 1073 mSDsCounter, 0 mSdLazyCounter, 1383 mSolverCounterSat, 893 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1986 SdHoareTripleChecker+Valid, 1949 SdHoareTripleChecker+Invalid, 2276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 893 IncrementalHoareTripleChecker+Valid, 1383 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-22 17:30:08,838 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1986 Valid, 1949 Invalid, 2276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [893 Valid, 1383 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-22 17:30:08,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145533 states. [2022-07-22 17:30:14,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145533 to 145383. [2022-07-22 17:30:14,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145383 states, 126684 states have (on average 1.5382052982223484) internal successors, (194866), 126698 states have internal predecessors, (194866), 18650 states have call successors, (18650), 44 states have call predecessors, (18650), 48 states have return successors, (20841), 18648 states have call predecessors, (20841), 18649 states have call successors, (20841) [2022-07-22 17:30:15,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145383 states to 145383 states and 234357 transitions. [2022-07-22 17:30:15,489 INFO L78 Accepts]: Start accepts. Automaton has 145383 states and 234357 transitions. Word has length 196 [2022-07-22 17:30:15,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:30:15,489 INFO L495 AbstractCegarLoop]: Abstraction has 145383 states and 234357 transitions. [2022-07-22 17:30:15,490 INFO L496 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, (28), 6 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-07-22 17:30:15,490 INFO L276 IsEmpty]: Start isEmpty. Operand 145383 states and 234357 transitions. [2022-07-22 17:30:15,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2022-07-22 17:30:15,522 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:30:15,523 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 17:30:15,523 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-07-22 17:30:15,523 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:30:15,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:30:15,523 INFO L85 PathProgramCache]: Analyzing trace with hash -1988961039, now seen corresponding path program 1 times [2022-07-22 17:30:15,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:30:15,524 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493422835] [2022-07-22 17:30:15,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:30:15,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:30:15,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:30:15,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 17:30:15,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:30:15,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 17:30:15,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:30:15,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-22 17:30:15,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:30:15,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-22 17:30:15,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:30:15,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-22 17:30:15,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:30:15,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-22 17:30:15,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:30:15,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-22 17:30:15,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:30:15,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-22 17:30:15,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:30:15,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-22 17:30:15,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:30:15,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 17:30:15,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:30:15,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-22 17:30:15,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:30:15,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-22 17:30:15,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:30:15,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 17:30:15,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:30:15,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-22 17:30:15,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:30:15,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-22 17:30:15,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:30:15,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 17:30:15,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:30:15,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-22 17:30:15,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:30:15,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-22 17:30:15,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:30:15,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-22 17:30:15,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:30:15,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-22 17:30:15,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:30:15,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-22 17:30:15,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:30:15,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-22 17:30:15,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:30:15,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-22 17:30:15,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:30:15,649 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2022-07-22 17:30:15,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:30:15,650 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493422835] [2022-07-22 17:30:15,650 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [493422835] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:30:15,650 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:30:15,650 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-22 17:30:15,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114738352] [2022-07-22 17:30:15,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:30:15,650 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-22 17:30:15,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:30:15,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-22 17:30:15,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-07-22 17:30:15,652 INFO L87 Difference]: Start difference. First operand 145383 states and 234357 transitions. Second operand has 10 states, 10 states have (on average 11.6) internal successors, (116), 5 states have internal predecessors, (116), 3 states have call successors, (28), 6 states have call predecessors, (28), 2 states have return successors, (23), 4 states have call predecessors, (23), 3 states have call successors, (23) [2022-07-22 17:30:24,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:30:24,197 INFO L93 Difference]: Finished difference Result 146403 states and 239158 transitions. [2022-07-22 17:30:24,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-07-22 17:30:24,197 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 11.6) internal successors, (116), 5 states have internal predecessors, (116), 3 states have call successors, (28), 6 states have call predecessors, (28), 2 states have return successors, (23), 4 states have call predecessors, (23), 3 states have call successors, (23) Word has length 197 [2022-07-22 17:30:24,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:30:24,779 INFO L225 Difference]: With dead ends: 146403 [2022-07-22 17:30:24,779 INFO L226 Difference]: Without dead ends: 146087 [2022-07-22 17:30:25,040 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 218 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=254, Invalid=738, Unknown=0, NotChecked=0, Total=992 [2022-07-22 17:30:25,041 INFO L413 NwaCegarLoop]: 1168 mSDtfsCounter, 3070 mSDsluCounter, 1582 mSDsCounter, 0 mSdLazyCounter, 5176 mSolverCounterSat, 1748 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3087 SdHoareTripleChecker+Valid, 2750 SdHoareTripleChecker+Invalid, 6924 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1748 IncrementalHoareTripleChecker+Valid, 5176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-07-22 17:30:25,041 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3087 Valid, 2750 Invalid, 6924 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1748 Valid, 5176 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-07-22 17:30:25,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146087 states. [2022-07-22 17:30:30,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146087 to 145701. [2022-07-22 17:30:30,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145701 states, 126910 states have (on average 1.5379560318335828) internal successors, (195182), 126933 states have internal predecessors, (195182), 18711 states have call successors, (18711), 73 states have call predecessors, (18711), 79 states have return successors, (20906), 18710 states have call predecessors, (20906), 18709 states have call successors, (20906) [2022-07-22 17:30:31,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145701 states to 145701 states and 234799 transitions. [2022-07-22 17:30:31,442 INFO L78 Accepts]: Start accepts. Automaton has 145701 states and 234799 transitions. Word has length 197 [2022-07-22 17:30:31,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:30:31,443 INFO L495 AbstractCegarLoop]: Abstraction has 145701 states and 234799 transitions. [2022-07-22 17:30:31,443 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 11.6) internal successors, (116), 5 states have internal predecessors, (116), 3 states have call successors, (28), 6 states have call predecessors, (28), 2 states have return successors, (23), 4 states have call predecessors, (23), 3 states have call successors, (23) [2022-07-22 17:30:31,443 INFO L276 IsEmpty]: Start isEmpty. Operand 145701 states and 234799 transitions. [2022-07-22 17:30:31,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2022-07-22 17:30:31,474 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:30:31,474 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 17:30:31,475 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-07-22 17:30:31,475 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:30:31,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:30:31,475 INFO L85 PathProgramCache]: Analyzing trace with hash -1874318062, now seen corresponding path program 1 times [2022-07-22 17:30:31,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:30:31,476 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1749761921] [2022-07-22 17:30:31,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:30:31,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:30:31,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:30:31,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 17:30:31,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:30:31,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 17:30:31,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:30:31,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-22 17:30:31,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:30:31,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-22 17:30:31,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:30:31,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-22 17:30:31,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:30:31,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-22 17:30:31,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:30:31,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-22 17:30:31,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:30:31,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-22 17:30:31,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:30:31,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-22 17:30:31,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:30:31,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 17:30:31,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:30:31,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-22 17:30:31,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:30:31,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-22 17:30:31,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:30:31,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 17:30:31,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:30:31,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-22 17:30:31,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:30:31,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-22 17:30:31,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:30:31,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 17:30:31,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:30:31,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-22 17:30:31,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:30:31,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-22 17:30:31,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:30:31,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-22 17:30:31,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:30:31,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-22 17:30:31,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:30:31,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-22 17:30:31,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:30:31,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-22 17:30:31,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:30:31,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-22 17:30:31,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:30:31,597 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-07-22 17:30:31,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:30:31,598 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1749761921] [2022-07-22 17:30:31,598 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1749761921] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:30:31,598 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:30:31,598 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-07-22 17:30:31,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393198170] [2022-07-22 17:30:31,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:30:31,599 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-22 17:30:31,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:30:31,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-22 17:30:31,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2022-07-22 17:30:31,599 INFO L87 Difference]: Start difference. First operand 145701 states and 234799 transitions. Second operand has 12 states, 11 states have (on average 10.909090909090908) internal successors, (120), 7 states have internal predecessors, (120), 3 states have call successors, (28), 5 states have call predecessors, (28), 3 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23)