./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/email_spec4_product25.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_product25.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 4aad45d78970842948dd8f2d4a23b330a7c7a053ef8846b1af27e637f96c3ae7 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-22 17:28:13,342 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 17:28:13,344 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 17:28:13,361 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 17:28:13,362 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 17:28:13,362 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 17:28:13,363 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 17:28:13,364 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 17:28:13,365 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 17:28:13,366 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 17:28:13,367 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 17:28:13,367 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 17:28:13,368 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 17:28:13,368 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 17:28:13,369 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 17:28:13,370 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 17:28:13,370 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 17:28:13,371 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 17:28:13,372 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 17:28:13,373 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 17:28:13,374 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 17:28:13,375 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 17:28:13,376 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 17:28:13,377 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 17:28:13,377 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 17:28:13,379 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 17:28:13,379 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 17:28:13,380 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 17:28:13,380 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 17:28:13,381 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 17:28:13,381 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 17:28:13,382 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 17:28:13,382 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 17:28:13,383 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 17:28:13,383 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 17:28:13,384 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 17:28:13,384 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 17:28:13,385 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 17:28:13,385 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 17:28:13,385 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 17:28:13,386 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 17:28:13,386 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 17:28:13,387 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-22 17:28:13,399 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 17:28:13,400 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 17:28:13,400 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 17:28:13,400 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 17:28:13,400 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-22 17:28:13,401 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-22 17:28:13,401 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 17:28:13,401 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 17:28:13,401 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 17:28:13,402 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 17:28:13,402 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-22 17:28:13,402 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 17:28:13,402 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-22 17:28:13,402 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 17:28:13,402 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-22 17:28:13,403 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-22 17:28:13,403 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-22 17:28:13,403 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-22 17:28:13,403 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 17:28:13,403 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 17:28:13,404 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-22 17:28:13,404 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 17:28:13,404 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 17:28:13,404 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-22 17:28:13,404 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 17:28:13,405 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 17:28:13,405 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-22 17:28:13,405 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-22 17:28:13,405 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 17:28:13,405 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-22 17:28:13,405 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-22 17:28:13,406 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-22 17:28:13,406 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-22 17:28:13,406 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4aad45d78970842948dd8f2d4a23b330a7c7a053ef8846b1af27e637f96c3ae7 [2022-07-22 17:28:13,631 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 17:28:13,658 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 17:28:13,660 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 17:28:13,661 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 17:28:13,662 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 17:28:13,663 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec4_product25.cil.c [2022-07-22 17:28:13,705 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9416fa427/1ebd9ec1cc244a2e92b8995b174aa934/FLAG7b2f70bda [2022-07-22 17:28:14,137 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 17:28:14,138 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec4_product25.cil.c [2022-07-22 17:28:14,157 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9416fa427/1ebd9ec1cc244a2e92b8995b174aa934/FLAG7b2f70bda [2022-07-22 17:28:14,437 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9416fa427/1ebd9ec1cc244a2e92b8995b174aa934 [2022-07-22 17:28:14,440 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 17:28:14,442 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 17:28:14,444 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 17:28:14,444 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 17:28:14,447 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 17:28:14,447 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 05:28:14" (1/1) ... [2022-07-22 17:28:14,448 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b05ac6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:28:14, skipping insertion in model container [2022-07-22 17:28:14,448 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 05:28:14" (1/1) ... [2022-07-22 17:28:14,453 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 17:28:14,493 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 17:28:14,814 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_product25.cil.c[63576,63589] [2022-07-22 17:28:14,816 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 17:28:14,823 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 17:28:14,899 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_product25.cil.c[63576,63589] [2022-07-22 17:28:14,899 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 17:28:14,934 INFO L208 MainTranslator]: Completed translation [2022-07-22 17:28:14,935 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:28:14 WrapperNode [2022-07-22 17:28:14,935 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 17:28:14,936 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 17:28:14,936 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 17:28:14,936 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 17:28:14,947 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:28:14" (1/1) ... [2022-07-22 17:28:14,980 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:28:14" (1/1) ... [2022-07-22 17:28:15,037 INFO L137 Inliner]: procedures = 130, calls = 218, calls flagged for inlining = 60, calls inlined = 57, statements flattened = 1060 [2022-07-22 17:28:15,038 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 17:28:15,038 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 17:28:15,038 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 17:28:15,038 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 17:28:15,045 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:28:14" (1/1) ... [2022-07-22 17:28:15,051 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:28:14" (1/1) ... [2022-07-22 17:28:15,057 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:28:14" (1/1) ... [2022-07-22 17:28:15,059 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:28:14" (1/1) ... [2022-07-22 17:28:15,078 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:28:14" (1/1) ... [2022-07-22 17:28:15,093 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:28:14" (1/1) ... [2022-07-22 17:28:15,111 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:28:14" (1/1) ... [2022-07-22 17:28:15,118 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 17:28:15,131 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 17:28:15,132 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 17:28:15,132 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 17:28:15,135 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:28:14" (1/1) ... [2022-07-22 17:28:15,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 17:28:15,158 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 17:28:15,188 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 17:28:15,228 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 17:28:15,250 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2022-07-22 17:28:15,250 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2022-07-22 17:28:15,250 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2022-07-22 17:28:15,251 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2022-07-22 17:28:15,251 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2022-07-22 17:28:15,251 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2022-07-22 17:28:15,251 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2022-07-22 17:28:15,253 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2022-07-22 17:28:15,253 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2022-07-22 17:28:15,253 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2022-07-22 17:28:15,254 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2022-07-22 17:28:15,254 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2022-07-22 17:28:15,254 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2022-07-22 17:28:15,254 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2022-07-22 17:28:15,254 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2022-07-22 17:28:15,254 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2022-07-22 17:28:15,254 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2022-07-22 17:28:15,255 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2022-07-22 17:28:15,255 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2022-07-22 17:28:15,255 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2022-07-22 17:28:15,255 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2022-07-22 17:28:15,255 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2022-07-22 17:28:15,256 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2022-07-22 17:28:15,256 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2022-07-22 17:28:15,256 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2022-07-22 17:28:15,256 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 17:28:15,256 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2022-07-22 17:28:15,256 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2022-07-22 17:28:15,256 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2022-07-22 17:28:15,256 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2022-07-22 17:28:15,257 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2022-07-22 17:28:15,257 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2022-07-22 17:28:15,257 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2022-07-22 17:28:15,257 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2022-07-22 17:28:15,257 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2022-07-22 17:28:15,257 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2022-07-22 17:28:15,257 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2022-07-22 17:28:15,257 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2022-07-22 17:28:15,258 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2022-07-22 17:28:15,258 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2022-07-22 17:28:15,258 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2022-07-22 17:28:15,258 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2022-07-22 17:28:15,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-22 17:28:15,259 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2022-07-22 17:28:15,259 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2022-07-22 17:28:15,259 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2022-07-22 17:28:15,259 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2022-07-22 17:28:15,259 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 17:28:15,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 17:28:15,403 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 17:28:15,405 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 17:28:16,065 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 17:28:16,076 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 17:28:16,076 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-22 17:28:16,088 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 05:28:16 BoogieIcfgContainer [2022-07-22 17:28:16,088 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 17:28:16,091 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-22 17:28:16,091 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-22 17:28:16,093 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-22 17:28:16,094 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.07 05:28:14" (1/3) ... [2022-07-22 17:28:16,094 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f2fa362 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 05:28:16, skipping insertion in model container [2022-07-22 17:28:16,095 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:28:14" (2/3) ... [2022-07-22 17:28:16,095 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f2fa362 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 05:28:16, skipping insertion in model container [2022-07-22 17:28:16,095 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 05:28:16" (3/3) ... [2022-07-22 17:28:16,096 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec4_product25.cil.c [2022-07-22 17:28:16,105 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-22 17:28:16,105 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-22 17:28:16,152 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-22 17:28:16,158 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@5bfcd2f7, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@59bdeb56 [2022-07-22 17:28:16,158 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-22 17:28:16,170 INFO L276 IsEmpty]: Start isEmpty. Operand has 386 states, 306 states have (on average 1.565359477124183) internal successors, (479), 309 states have internal predecessors, (479), 56 states have call successors, (56), 22 states have call predecessors, (56), 22 states have return successors, (56), 55 states have call predecessors, (56), 56 states have call successors, (56) [2022-07-22 17:28:16,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-07-22 17:28:16,212 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:28:16,213 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-07-22 17:28:16,213 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:28:16,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:28:16,217 INFO L85 PathProgramCache]: Analyzing trace with hash 1457964568, now seen corresponding path program 1 times [2022-07-22 17:28:16,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:28:16,224 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932993117] [2022-07-22 17:28:16,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:28:16,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:28:16,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:16,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 17:28:16,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:16,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-22 17:28:16,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:16,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-22 17:28:16,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:16,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-22 17:28:16,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:16,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-22 17:28:16,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:16,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-22 17:28:16,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:16,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-22 17:28:16,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:16,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-22 17:28:16,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:16,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-22 17:28:16,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:16,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-22 17:28:16,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:16,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-22 17:28:16,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:16,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-07-22 17:28:16,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:16,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-22 17:28:16,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:16,687 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-07-22 17:28:16,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:28:16,688 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932993117] [2022-07-22 17:28:16,689 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [932993117] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 17:28:16,689 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [728882438] [2022-07-22 17:28:16,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:28:16,690 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 17:28:16,691 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 17:28:16,712 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 17:28:16,714 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 17:28:16,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:16,986 INFO L263 TraceCheckSpWp]: Trace formula consists of 1038 conjuncts, 1 conjunts are in the unsatisfiable core [2022-07-22 17:28:16,992 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 17:28:17,005 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-07-22 17:28:17,006 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 17:28:17,006 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [728882438] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:28:17,006 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-22 17:28:17,006 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 9 [2022-07-22 17:28:17,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903474405] [2022-07-22 17:28:17,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:28:17,011 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-22 17:28:17,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:28:17,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-22 17:28:17,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-22 17:28:17,029 INFO L87 Difference]: Start difference. First operand has 386 states, 306 states have (on average 1.565359477124183) internal successors, (479), 309 states have internal predecessors, (479), 56 states have call successors, (56), 22 states have call predecessors, (56), 22 states have return successors, (56), 55 states have call predecessors, (56), 56 states have call successors, (56) Second operand has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-22 17:28:17,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:28:17,067 INFO L93 Difference]: Finished difference Result 579 states and 872 transitions. [2022-07-22 17:28:17,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-22 17:28:17,068 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 101 [2022-07-22 17:28:17,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:28:17,077 INFO L225 Difference]: With dead ends: 579 [2022-07-22 17:28:17,077 INFO L226 Difference]: Without dead ends: 379 [2022-07-22 17:28:17,081 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-22 17:28:17,083 INFO L413 NwaCegarLoop]: 587 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 587 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 17:28:17,084 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 587 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 17:28:17,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2022-07-22 17:28:17,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 379. [2022-07-22 17:28:17,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 379 states, 300 states have (on average 1.56) internal successors, (468), 302 states have internal predecessors, (468), 56 states have call successors, (56), 22 states have call predecessors, (56), 22 states have return successors, (55), 54 states have call predecessors, (55), 55 states have call successors, (55) [2022-07-22 17:28:17,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 579 transitions. [2022-07-22 17:28:17,141 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 579 transitions. Word has length 101 [2022-07-22 17:28:17,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:28:17,142 INFO L495 AbstractCegarLoop]: Abstraction has 379 states and 579 transitions. [2022-07-22 17:28:17,142 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-22 17:28:17,142 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 579 transitions. [2022-07-22 17:28:17,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-07-22 17:28:17,151 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:28:17,151 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-07-22 17:28:17,170 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-07-22 17:28:17,369 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-07-22 17:28:17,370 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:28:17,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:28:17,371 INFO L85 PathProgramCache]: Analyzing trace with hash 1896002271, now seen corresponding path program 1 times [2022-07-22 17:28:17,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:28:17,371 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171747190] [2022-07-22 17:28:17,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:28:17,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:28:17,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:17,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 17:28:17,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:17,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-22 17:28:17,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:17,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-22 17:28:17,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:17,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-22 17:28:17,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:17,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-22 17:28:17,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:17,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-22 17:28:17,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:17,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-22 17:28:17,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:17,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-07-22 17:28:17,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:17,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-22 17:28:17,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:17,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-22 17:28:17,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:17,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-22 17:28:17,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:17,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-07-22 17:28:17,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:17,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-22 17:28:17,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:17,526 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-07-22 17:28:17,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:28:17,526 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171747190] [2022-07-22 17:28:17,526 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [171747190] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 17:28:17,527 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1088639363] [2022-07-22 17:28:17,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:28:17,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 17:28:17,527 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 17:28:17,528 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 17:28:17,529 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 17:28:17,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:17,739 INFO L263 TraceCheckSpWp]: Trace formula consists of 1039 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 17:28:17,742 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 17:28:17,758 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-07-22 17:28:17,758 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 17:28:17,758 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1088639363] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:28:17,759 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-22 17:28:17,759 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2022-07-22 17:28:17,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942099042] [2022-07-22 17:28:17,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:28:17,760 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 17:28:17,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:28:17,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 17:28:17,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-07-22 17:28:17,761 INFO L87 Difference]: Start difference. First operand 379 states and 579 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-22 17:28:17,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:28:17,792 INFO L93 Difference]: Finished difference Result 569 states and 850 transitions. [2022-07-22 17:28:17,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 17:28:17,793 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 102 [2022-07-22 17:28:17,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:28:17,796 INFO L225 Difference]: With dead ends: 569 [2022-07-22 17:28:17,796 INFO L226 Difference]: Without dead ends: 382 [2022-07-22 17:28:17,797 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-07-22 17:28:17,798 INFO L413 NwaCegarLoop]: 577 mSDtfsCounter, 1 mSDsluCounter, 575 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1152 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 17:28:17,798 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1152 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 17:28:17,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2022-07-22 17:28:17,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 381. [2022-07-22 17:28:17,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 381 states, 302 states have (on average 1.5562913907284768) internal successors, (470), 304 states have internal predecessors, (470), 56 states have call successors, (56), 22 states have call predecessors, (56), 22 states have return successors, (55), 54 states have call predecessors, (55), 55 states have call successors, (55) [2022-07-22 17:28:17,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 581 transitions. [2022-07-22 17:28:17,816 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 581 transitions. Word has length 102 [2022-07-22 17:28:17,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:28:17,816 INFO L495 AbstractCegarLoop]: Abstraction has 381 states and 581 transitions. [2022-07-22 17:28:17,817 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-22 17:28:17,817 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 581 transitions. [2022-07-22 17:28:17,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-07-22 17:28:17,819 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:28:17,819 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-07-22 17:28:17,856 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 17:28:18,036 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2022-07-22 17:28:18,037 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:28:18,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:28:18,038 INFO L85 PathProgramCache]: Analyzing trace with hash 2026309608, now seen corresponding path program 1 times [2022-07-22 17:28:18,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:28:18,038 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351280873] [2022-07-22 17:28:18,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:28:18,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:28:18,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:18,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 17:28:18,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:18,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-22 17:28:18,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:18,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-22 17:28:18,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:18,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-22 17:28:18,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:18,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-22 17:28:18,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:18,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-22 17:28:18,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:18,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-22 17:28:18,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:18,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-22 17:28:18,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:18,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-07-22 17:28:18,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:18,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-22 17:28:18,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:18,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-07-22 17:28:18,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:18,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-22 17:28:18,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:18,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-07-22 17:28:18,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:18,141 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-07-22 17:28:18,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:28:18,142 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351280873] [2022-07-22 17:28:18,142 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1351280873] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 17:28:18,142 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1118802961] [2022-07-22 17:28:18,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:28:18,142 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 17:28:18,142 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 17:28:18,144 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 17:28:18,145 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 17:28:18,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:18,369 INFO L263 TraceCheckSpWp]: Trace formula consists of 1053 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-22 17:28:18,372 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 17:28:18,387 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-07-22 17:28:18,387 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 17:28:18,387 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1118802961] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:28:18,387 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-22 17:28:18,387 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2022-07-22 17:28:18,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539025577] [2022-07-22 17:28:18,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:28:18,388 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 17:28:18,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:28:18,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 17:28:18,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-07-22 17:28:18,389 INFO L87 Difference]: Start difference. First operand 381 states and 581 transitions. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-22 17:28:18,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:28:18,413 INFO L93 Difference]: Finished difference Result 810 states and 1254 transitions. [2022-07-22 17:28:18,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 17:28:18,413 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 108 [2022-07-22 17:28:18,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:28:18,417 INFO L225 Difference]: With dead ends: 810 [2022-07-22 17:28:18,417 INFO L226 Difference]: Without dead ends: 456 [2022-07-22 17:28:18,420 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-07-22 17:28:18,421 INFO L413 NwaCegarLoop]: 600 mSDtfsCounter, 134 mSDsluCounter, 532 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 1132 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 17:28:18,421 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 1132 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 17:28:18,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 456 states. [2022-07-22 17:28:18,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 456 to 448. [2022-07-22 17:28:18,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 448 states, 355 states have (on average 1.5746478873239436) internal successors, (559), 357 states have internal predecessors, (559), 70 states have call successors, (70), 22 states have call predecessors, (70), 22 states have return successors, (69), 68 states have call predecessors, (69), 69 states have call successors, (69) [2022-07-22 17:28:18,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 698 transitions. [2022-07-22 17:28:18,445 INFO L78 Accepts]: Start accepts. Automaton has 448 states and 698 transitions. Word has length 108 [2022-07-22 17:28:18,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:28:18,445 INFO L495 AbstractCegarLoop]: Abstraction has 448 states and 698 transitions. [2022-07-22 17:28:18,445 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-22 17:28:18,446 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 698 transitions. [2022-07-22 17:28:18,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-07-22 17:28:18,448 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:28:18,448 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-07-22 17:28:18,481 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 17:28:18,661 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 17:28:18,661 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:28:18,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:28:18,662 INFO L85 PathProgramCache]: Analyzing trace with hash 271379103, now seen corresponding path program 1 times [2022-07-22 17:28:18,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:28:18,662 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369692442] [2022-07-22 17:28:18,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:28:18,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:28:18,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:18,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 17:28:18,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:18,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-22 17:28:18,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:18,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-22 17:28:18,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:18,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-22 17:28:18,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:18,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-22 17:28:18,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:18,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-22 17:28:18,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:18,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-22 17:28:18,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:18,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-22 17:28:18,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:18,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-22 17:28:18,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:18,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-22 17:28:18,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:18,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-22 17:28:18,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:18,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-22 17:28:18,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:18,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-07-22 17:28:18,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:18,754 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-07-22 17:28:18,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:28:18,754 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369692442] [2022-07-22 17:28:18,755 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [369692442] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 17:28:18,755 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1757924459] [2022-07-22 17:28:18,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:28:18,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 17:28:18,755 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 17:28:18,756 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 17:28:18,775 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 17:28:18,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:18,974 INFO L263 TraceCheckSpWp]: Trace formula consists of 1060 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-22 17:28:18,982 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 17:28:19,051 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-22 17:28:19,052 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 17:28:19,052 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1757924459] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:28:19,052 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-22 17:28:19,052 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2022-07-22 17:28:19,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820062686] [2022-07-22 17:28:19,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:28:19,053 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-22 17:28:19,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:28:19,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-22 17:28:19,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-07-22 17:28:19,055 INFO L87 Difference]: Start difference. First operand 448 states and 698 transitions. Second operand has 5 states, 4 states have (on average 17.5) internal successors, (70), 5 states have internal predecessors, (70), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) [2022-07-22 17:28:19,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:28:19,105 INFO L93 Difference]: Finished difference Result 887 states and 1386 transitions. [2022-07-22 17:28:19,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-22 17:28:19,105 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.5) internal successors, (70), 5 states have internal predecessors, (70), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) Word has length 109 [2022-07-22 17:28:19,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:28:19,108 INFO L225 Difference]: With dead ends: 887 [2022-07-22 17:28:19,108 INFO L226 Difference]: Without dead ends: 450 [2022-07-22 17:28:19,109 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2022-07-22 17:28:19,110 INFO L413 NwaCegarLoop]: 570 mSDtfsCounter, 152 mSDsluCounter, 1535 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 2105 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 17:28:19,110 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 2105 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 17:28:19,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 450 states. [2022-07-22 17:28:19,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 450 to 450. [2022-07-22 17:28:19,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 450 states, 356 states have (on average 1.5730337078651686) internal successors, (560), 359 states have internal predecessors, (560), 70 states have call successors, (70), 22 states have call predecessors, (70), 23 states have return successors, (71), 68 states have call predecessors, (71), 69 states have call successors, (71) [2022-07-22 17:28:19,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 701 transitions. [2022-07-22 17:28:19,145 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 701 transitions. Word has length 109 [2022-07-22 17:28:19,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:28:19,146 INFO L495 AbstractCegarLoop]: Abstraction has 450 states and 701 transitions. [2022-07-22 17:28:19,147 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.5) internal successors, (70), 5 states have internal predecessors, (70), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) [2022-07-22 17:28:19,147 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 701 transitions. [2022-07-22 17:28:19,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-07-22 17:28:19,151 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:28:19,151 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-07-22 17:28:19,169 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 17:28:19,369 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 17:28:19,369 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:28:19,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:28:19,370 INFO L85 PathProgramCache]: Analyzing trace with hash -467642792, now seen corresponding path program 1 times [2022-07-22 17:28:19,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:28:19,370 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45041473] [2022-07-22 17:28:19,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:28:19,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:28:19,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:19,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 17:28:19,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:19,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-22 17:28:19,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:19,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-22 17:28:19,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:19,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-22 17:28:19,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:19,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-22 17:28:19,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:19,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-22 17:28:19,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:19,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-22 17:28:19,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:19,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-22 17:28:19,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:19,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-22 17:28:19,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:19,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-22 17:28:19,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:19,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-07-22 17:28:19,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:19,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-22 17:28:19,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:19,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-22 17:28:19,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:19,488 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-07-22 17:28:19,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:28:19,488 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [45041473] [2022-07-22 17:28:19,488 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [45041473] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 17:28:19,488 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [277057338] [2022-07-22 17:28:19,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:28:19,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 17:28:19,489 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 17:28:19,504 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 17:28:19,505 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 17:28:19,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:19,704 INFO L263 TraceCheckSpWp]: Trace formula consists of 1061 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-22 17:28:19,707 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 17:28:19,745 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-22 17:28:19,745 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 17:28:19,746 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [277057338] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:28:19,746 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-22 17:28:19,746 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2022-07-22 17:28:19,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114942992] [2022-07-22 17:28:19,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:28:19,747 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-22 17:28:19,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:28:19,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-22 17:28:19,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2022-07-22 17:28:19,748 INFO L87 Difference]: Start difference. First operand 450 states and 701 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-07-22 17:28:19,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:28:19,801 INFO L93 Difference]: Finished difference Result 889 states and 1391 transitions. [2022-07-22 17:28:19,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-22 17:28:19,802 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 110 [2022-07-22 17:28:19,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:28:19,804 INFO L225 Difference]: With dead ends: 889 [2022-07-22 17:28:19,804 INFO L226 Difference]: Without dead ends: 452 [2022-07-22 17:28:19,806 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2022-07-22 17:28:19,807 INFO L413 NwaCegarLoop]: 568 mSDtfsCounter, 151 mSDsluCounter, 1526 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 2094 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 17:28:19,807 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [174 Valid, 2094 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 17:28:19,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 452 states. [2022-07-22 17:28:19,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 452 to 452. [2022-07-22 17:28:19,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 452 states, 357 states have (on average 1.5714285714285714) internal successors, (561), 361 states have internal predecessors, (561), 70 states have call successors, (70), 22 states have call predecessors, (70), 24 states have return successors, (76), 68 states have call predecessors, (76), 69 states have call successors, (76) [2022-07-22 17:28:19,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 452 states and 707 transitions. [2022-07-22 17:28:19,824 INFO L78 Accepts]: Start accepts. Automaton has 452 states and 707 transitions. Word has length 110 [2022-07-22 17:28:19,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:28:19,824 INFO L495 AbstractCegarLoop]: Abstraction has 452 states and 707 transitions. [2022-07-22 17:28:19,824 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-07-22 17:28:19,824 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 707 transitions. [2022-07-22 17:28:19,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-07-22 17:28:19,826 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:28:19,826 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-07-22 17:28:19,849 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-07-22 17:28:20,046 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 17:28:20,046 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:28:20,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:28:20,047 INFO L85 PathProgramCache]: Analyzing trace with hash 423544596, now seen corresponding path program 1 times [2022-07-22 17:28:20,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:28:20,047 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430772653] [2022-07-22 17:28:20,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:28:20,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:28:20,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:20,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 17:28:20,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:20,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-22 17:28:20,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:20,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-22 17:28:20,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:20,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-22 17:28:20,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:20,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-22 17:28:20,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:20,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-22 17:28:20,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:20,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-07-22 17:28:20,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:20,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-22 17:28:20,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:20,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-22 17:28:20,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:20,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-22 17:28:20,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:20,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-22 17:28:20,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:20,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-22 17:28:20,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:20,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-22 17:28:20,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:20,144 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-07-22 17:28:20,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:28:20,145 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430772653] [2022-07-22 17:28:20,145 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [430772653] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:28:20,145 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:28:20,145 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-22 17:28:20,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536360764] [2022-07-22 17:28:20,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:28:20,146 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-22 17:28:20,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:28:20,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-22 17:28:20,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-22 17:28:20,147 INFO L87 Difference]: Start difference. First operand 452 states and 707 transitions. Second operand has 9 states, 8 states have (on average 8.5) internal successors, (68), 5 states have internal predecessors, (68), 3 states have call successors, (16), 6 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) [2022-07-22 17:28:21,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:28:21,874 INFO L93 Difference]: Finished difference Result 1059 states and 1677 transitions. [2022-07-22 17:28:21,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-22 17:28:21,874 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 8.5) internal successors, (68), 5 states have internal predecessors, (68), 3 states have call successors, (16), 6 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) Word has length 111 [2022-07-22 17:28:21,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:28:21,878 INFO L225 Difference]: With dead ends: 1059 [2022-07-22 17:28:21,878 INFO L226 Difference]: Without dead ends: 630 [2022-07-22 17:28:21,879 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2022-07-22 17:28:21,879 INFO L413 NwaCegarLoop]: 711 mSDtfsCounter, 1420 mSDsluCounter, 985 mSDsCounter, 0 mSdLazyCounter, 2434 mSolverCounterSat, 523 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1440 SdHoareTripleChecker+Valid, 1696 SdHoareTripleChecker+Invalid, 2957 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 523 IncrementalHoareTripleChecker+Valid, 2434 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-07-22 17:28:21,879 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1440 Valid, 1696 Invalid, 2957 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [523 Valid, 2434 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-07-22 17:28:21,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 630 states. [2022-07-22 17:28:21,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 630 to 452. [2022-07-22 17:28:21,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 452 states, 357 states have (on average 1.5714285714285714) internal successors, (561), 361 states have internal predecessors, (561), 70 states have call successors, (70), 22 states have call predecessors, (70), 24 states have return successors, (75), 68 states have call predecessors, (75), 69 states have call successors, (75) [2022-07-22 17:28:21,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 452 states and 706 transitions. [2022-07-22 17:28:21,918 INFO L78 Accepts]: Start accepts. Automaton has 452 states and 706 transitions. Word has length 111 [2022-07-22 17:28:21,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:28:21,918 INFO L495 AbstractCegarLoop]: Abstraction has 452 states and 706 transitions. [2022-07-22 17:28:21,919 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 8.5) internal successors, (68), 5 states have internal predecessors, (68), 3 states have call successors, (16), 6 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) [2022-07-22 17:28:21,919 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 706 transitions. [2022-07-22 17:28:21,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-07-22 17:28:21,920 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:28:21,921 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-07-22 17:28:21,921 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-22 17:28:21,921 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:28:21,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:28:21,921 INFO L85 PathProgramCache]: Analyzing trace with hash -834371797, now seen corresponding path program 2 times [2022-07-22 17:28:21,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:28:21,922 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191062752] [2022-07-22 17:28:21,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:28:21,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:28:21,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:21,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 17:28:21,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:21,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-22 17:28:21,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:21,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-22 17:28:21,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:21,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-22 17:28:21,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:21,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-22 17:28:21,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:21,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-22 17:28:21,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:21,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-22 17:28:21,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:21,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-22 17:28:21,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:21,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-22 17:28:21,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:22,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-22 17:28:22,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:22,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-22 17:28:22,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:22,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-22 17:28:22,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:22,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-22 17:28:22,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:22,004 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-07-22 17:28:22,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:28:22,004 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191062752] [2022-07-22 17:28:22,004 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1191062752] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:28:22,004 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:28:22,004 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-22 17:28:22,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454168040] [2022-07-22 17:28:22,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:28:22,005 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-22 17:28:22,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:28:22,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-22 17:28:22,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-22 17:28:22,006 INFO L87 Difference]: Start difference. First operand 452 states and 706 transitions. Second operand has 9 states, 8 states have (on average 8.625) internal successors, (69), 5 states have internal predecessors, (69), 3 states have call successors, (16), 6 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) [2022-07-22 17:28:23,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:28:23,641 INFO L93 Difference]: Finished difference Result 1061 states and 1680 transitions. [2022-07-22 17:28:23,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-22 17:28:23,642 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 8.625) internal successors, (69), 5 states have internal predecessors, (69), 3 states have call successors, (16), 6 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) Word has length 112 [2022-07-22 17:28:23,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:28:23,645 INFO L225 Difference]: With dead ends: 1061 [2022-07-22 17:28:23,645 INFO L226 Difference]: Without dead ends: 632 [2022-07-22 17:28:23,646 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2022-07-22 17:28:23,648 INFO L413 NwaCegarLoop]: 714 mSDtfsCounter, 1413 mSDsluCounter, 985 mSDsCounter, 0 mSdLazyCounter, 2443 mSolverCounterSat, 522 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1434 SdHoareTripleChecker+Valid, 1699 SdHoareTripleChecker+Invalid, 2965 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 522 IncrementalHoareTripleChecker+Valid, 2443 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-22 17:28:23,648 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1434 Valid, 1699 Invalid, 2965 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [522 Valid, 2443 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-22 17:28:23,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 632 states. [2022-07-22 17:28:23,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 632 to 454. [2022-07-22 17:28:23,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 454 states, 358 states have (on average 1.5698324022346368) internal successors, (562), 363 states have internal predecessors, (562), 70 states have call successors, (70), 22 states have call predecessors, (70), 25 states have return successors, (77), 68 states have call predecessors, (77), 69 states have call successors, (77) [2022-07-22 17:28:23,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 454 states and 709 transitions. [2022-07-22 17:28:23,670 INFO L78 Accepts]: Start accepts. Automaton has 454 states and 709 transitions. Word has length 112 [2022-07-22 17:28:23,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:28:23,671 INFO L495 AbstractCegarLoop]: Abstraction has 454 states and 709 transitions. [2022-07-22 17:28:23,671 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 8.625) internal successors, (69), 5 states have internal predecessors, (69), 3 states have call successors, (16), 6 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) [2022-07-22 17:28:23,671 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 709 transitions. [2022-07-22 17:28:23,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-07-22 17:28:23,673 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:28:23,673 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-07-22 17:28:23,673 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-22 17:28:23,673 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:28:23,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:28:23,673 INFO L85 PathProgramCache]: Analyzing trace with hash -1107410311, now seen corresponding path program 1 times [2022-07-22 17:28:23,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:28:23,674 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113342584] [2022-07-22 17:28:23,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:28:23,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:28:23,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:23,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 17:28:23,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:23,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-22 17:28:23,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:23,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-22 17:28:23,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:23,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-22 17:28:23,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:23,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-22 17:28:23,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:23,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-22 17:28:23,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:23,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-22 17:28:23,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:23,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-22 17:28:23,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:23,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-22 17:28:23,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:23,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-22 17:28:23,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:23,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-22 17:28:23,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:23,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-22 17:28:23,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:23,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-22 17:28:23,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:23,790 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-07-22 17:28:23,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:28:23,790 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113342584] [2022-07-22 17:28:23,790 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [113342584] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:28:23,790 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:28:23,791 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-07-22 17:28:23,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048653406] [2022-07-22 17:28:23,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:28:23,791 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-22 17:28:23,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:28:23,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-22 17:28:23,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2022-07-22 17:28:23,792 INFO L87 Difference]: Start difference. First operand 454 states and 709 transitions. Second operand has 12 states, 11 states have (on average 6.636363636363637) internal successors, (73), 8 states have internal predecessors, (73), 4 states have call successors, (16), 6 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 4 states have call successors, (13) [2022-07-22 17:28:25,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:28:25,782 INFO L93 Difference]: Finished difference Result 1059 states and 1675 transitions. [2022-07-22 17:28:25,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-22 17:28:25,783 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.636363636363637) internal successors, (73), 8 states have internal predecessors, (73), 4 states have call successors, (16), 6 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 4 states have call successors, (13) Word has length 113 [2022-07-22 17:28:25,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:28:25,786 INFO L225 Difference]: With dead ends: 1059 [2022-07-22 17:28:25,786 INFO L226 Difference]: Without dead ends: 632 [2022-07-22 17:28:25,787 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=112, Invalid=440, Unknown=0, NotChecked=0, Total=552 [2022-07-22 17:28:25,788 INFO L413 NwaCegarLoop]: 696 mSDtfsCounter, 1556 mSDsluCounter, 1358 mSDsCounter, 0 mSdLazyCounter, 4366 mSolverCounterSat, 582 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1556 SdHoareTripleChecker+Valid, 2054 SdHoareTripleChecker+Invalid, 4948 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 582 IncrementalHoareTripleChecker+Valid, 4366 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-07-22 17:28:25,788 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1556 Valid, 2054 Invalid, 4948 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [582 Valid, 4366 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-07-22 17:28:25,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 632 states. [2022-07-22 17:28:25,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 632 to 454. [2022-07-22 17:28:25,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 454 states, 358 states have (on average 1.5698324022346368) internal successors, (562), 363 states have internal predecessors, (562), 70 states have call successors, (70), 22 states have call predecessors, (70), 25 states have return successors, (76), 68 states have call predecessors, (76), 69 states have call successors, (76) [2022-07-22 17:28:25,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 454 states and 708 transitions. [2022-07-22 17:28:25,808 INFO L78 Accepts]: Start accepts. Automaton has 454 states and 708 transitions. Word has length 113 [2022-07-22 17:28:25,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:28:25,809 INFO L495 AbstractCegarLoop]: Abstraction has 454 states and 708 transitions. [2022-07-22 17:28:25,809 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.636363636363637) internal successors, (73), 8 states have internal predecessors, (73), 4 states have call successors, (16), 6 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 4 states have call successors, (13) [2022-07-22 17:28:25,809 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 708 transitions. [2022-07-22 17:28:25,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-07-22 17:28:25,810 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:28:25,811 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-07-22 17:28:25,811 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-22 17:28:25,811 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:28:25,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:28:25,811 INFO L85 PathProgramCache]: Analyzing trace with hash 1255533047, now seen corresponding path program 2 times [2022-07-22 17:28:25,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:28:25,812 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394988068] [2022-07-22 17:28:25,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:28:25,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:28:25,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:25,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 17:28:25,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:25,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-22 17:28:25,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:25,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-22 17:28:25,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:25,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-22 17:28:25,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:25,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-22 17:28:25,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:25,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-22 17:28:25,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:25,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-22 17:28:25,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:25,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-22 17:28:25,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:25,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-22 17:28:25,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:25,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-22 17:28:25,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:25,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-22 17:28:25,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:25,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-07-22 17:28:25,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:25,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-07-22 17:28:25,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:25,906 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-07-22 17:28:25,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:28:25,906 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1394988068] [2022-07-22 17:28:25,906 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1394988068] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:28:25,906 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:28:25,906 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-07-22 17:28:25,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090099893] [2022-07-22 17:28:25,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:28:25,907 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-22 17:28:25,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:28:25,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-22 17:28:25,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2022-07-22 17:28:25,907 INFO L87 Difference]: Start difference. First operand 454 states and 708 transitions. Second operand has 12 states, 11 states have (on average 6.7272727272727275) internal successors, (74), 8 states have internal predecessors, (74), 4 states have call successors, (16), 6 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 4 states have call successors, (13) [2022-07-22 17:28:27,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:28:27,866 INFO L93 Difference]: Finished difference Result 1061 states and 1681 transitions. [2022-07-22 17:28:27,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-22 17:28:27,866 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.7272727272727275) internal successors, (74), 8 states have internal predecessors, (74), 4 states have call successors, (16), 6 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 4 states have call successors, (13) Word has length 114 [2022-07-22 17:28:27,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:28:27,869 INFO L225 Difference]: With dead ends: 1061 [2022-07-22 17:28:27,870 INFO L226 Difference]: Without dead ends: 634 [2022-07-22 17:28:27,872 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=112, Invalid=440, Unknown=0, NotChecked=0, Total=552 [2022-07-22 17:28:27,874 INFO L413 NwaCegarLoop]: 702 mSDtfsCounter, 1547 mSDsluCounter, 1358 mSDsCounter, 0 mSdLazyCounter, 4422 mSolverCounterSat, 574 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1547 SdHoareTripleChecker+Valid, 2060 SdHoareTripleChecker+Invalid, 4996 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 574 IncrementalHoareTripleChecker+Valid, 4422 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-07-22 17:28:27,874 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1547 Valid, 2060 Invalid, 4996 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [574 Valid, 4422 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-07-22 17:28:27,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 634 states. [2022-07-22 17:28:27,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 634 to 456. [2022-07-22 17:28:27,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 456 states, 359 states have (on average 1.5682451253481895) internal successors, (563), 365 states have internal predecessors, (563), 70 states have call successors, (70), 22 states have call predecessors, (70), 26 states have return successors, (81), 68 states have call predecessors, (81), 69 states have call successors, (81) [2022-07-22 17:28:27,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 456 states and 714 transitions. [2022-07-22 17:28:27,909 INFO L78 Accepts]: Start accepts. Automaton has 456 states and 714 transitions. Word has length 114 [2022-07-22 17:28:27,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:28:27,909 INFO L495 AbstractCegarLoop]: Abstraction has 456 states and 714 transitions. [2022-07-22 17:28:27,909 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.7272727272727275) internal successors, (74), 8 states have internal predecessors, (74), 4 states have call successors, (16), 6 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 4 states have call successors, (13) [2022-07-22 17:28:27,909 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 714 transitions. [2022-07-22 17:28:27,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-07-22 17:28:27,911 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:28:27,911 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-07-22 17:28:27,911 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-22 17:28:27,911 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:28:27,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:28:27,911 INFO L85 PathProgramCache]: Analyzing trace with hash -926043522, now seen corresponding path program 1 times [2022-07-22 17:28:27,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:28:27,911 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666216704] [2022-07-22 17:28:27,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:28:27,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:28:27,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:27,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 17:28:27,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:27,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-22 17:28:27,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:27,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-22 17:28:27,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:27,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-22 17:28:27,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:27,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-22 17:28:27,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:27,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-22 17:28:27,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:27,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-22 17:28:27,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:27,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-22 17:28:27,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:27,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-22 17:28:27,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:27,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-22 17:28:27,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:27,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-22 17:28:27,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:27,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-07-22 17:28:27,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:27,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-22 17:28:27,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:27,976 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-07-22 17:28:27,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:28:27,976 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666216704] [2022-07-22 17:28:27,976 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1666216704] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 17:28:27,976 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [992958427] [2022-07-22 17:28:27,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:28:27,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 17:28:27,976 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 17:28:27,978 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-22 17:28:28,003 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-07-22 17:28:28,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:28,236 INFO L263 TraceCheckSpWp]: Trace formula consists of 1066 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-22 17:28:28,239 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 17:28:28,260 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-07-22 17:28:28,260 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 17:28:28,311 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-07-22 17:28:28,311 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [992958427] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 17:28:28,311 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-22 17:28:28,311 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 11 [2022-07-22 17:28:28,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398833001] [2022-07-22 17:28:28,312 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-22 17:28:28,312 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-22 17:28:28,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:28:28,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-22 17:28:28,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2022-07-22 17:28:28,313 INFO L87 Difference]: Start difference. First operand 456 states and 714 transitions. Second operand has 11 states, 11 states have (on average 9.363636363636363) internal successors, (103), 7 states have internal predecessors, (103), 2 states have call successors, (32), 6 states have call predecessors, (32), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-22 17:28:30,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:28:30,095 INFO L93 Difference]: Finished difference Result 1263 states and 2074 transitions. [2022-07-22 17:28:30,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-22 17:28:30,096 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 9.363636363636363) internal successors, (103), 7 states have internal predecessors, (103), 2 states have call successors, (32), 6 states have call predecessors, (32), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 115 [2022-07-22 17:28:30,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:28:30,101 INFO L225 Difference]: With dead ends: 1263 [2022-07-22 17:28:30,101 INFO L226 Difference]: Without dead ends: 1076 [2022-07-22 17:28:30,102 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 268 GetRequests, 253 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 17:28:30,102 INFO L413 NwaCegarLoop]: 825 mSDtfsCounter, 1769 mSDsluCounter, 1609 mSDsCounter, 0 mSdLazyCounter, 2943 mSolverCounterSat, 691 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1823 SdHoareTripleChecker+Valid, 2434 SdHoareTripleChecker+Invalid, 3634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 691 IncrementalHoareTripleChecker+Valid, 2943 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-07-22 17:28:30,102 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1823 Valid, 2434 Invalid, 3634 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [691 Valid, 2943 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-07-22 17:28:30,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1076 states. [2022-07-22 17:28:30,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1076 to 874. [2022-07-22 17:28:30,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 874 states, 698 states have (on average 1.6275071633237823) internal successors, (1136), 704 states have internal predecessors, (1136), 149 states have call successors, (149), 22 states have call predecessors, (149), 26 states have return successors, (170), 147 states have call predecessors, (170), 148 states have call successors, (170) [2022-07-22 17:28:30,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 874 states to 874 states and 1455 transitions. [2022-07-22 17:28:30,165 INFO L78 Accepts]: Start accepts. Automaton has 874 states and 1455 transitions. Word has length 115 [2022-07-22 17:28:30,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:28:30,165 INFO L495 AbstractCegarLoop]: Abstraction has 874 states and 1455 transitions. [2022-07-22 17:28:30,165 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 9.363636363636363) internal successors, (103), 7 states have internal predecessors, (103), 2 states have call successors, (32), 6 states have call predecessors, (32), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-22 17:28:30,165 INFO L276 IsEmpty]: Start isEmpty. Operand 874 states and 1455 transitions. [2022-07-22 17:28:30,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-07-22 17:28:30,168 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:28:30,168 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-07-22 17:28:30,201 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-07-22 17:28:30,386 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 17:28:30,387 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:28:30,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:28:30,387 INFO L85 PathProgramCache]: Analyzing trace with hash -2115641189, now seen corresponding path program 1 times [2022-07-22 17:28:30,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:28:30,388 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48322632] [2022-07-22 17:28:30,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:28:30,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:28:30,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:30,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 17:28:30,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:30,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-22 17:28:30,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:30,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-22 17:28:30,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:30,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-22 17:28:30,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:30,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-22 17:28:30,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:30,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-22 17:28:30,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:30,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-22 17:28:30,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:30,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-22 17:28:30,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:30,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-22 17:28:30,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:30,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-07-22 17:28:30,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:30,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-07-22 17:28:30,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:30,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-07-22 17:28:30,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:30,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-22 17:28:30,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:30,454 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-07-22 17:28:30,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:28:30,454 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [48322632] [2022-07-22 17:28:30,454 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [48322632] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:28:30,454 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:28:30,455 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-22 17:28:30,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786715310] [2022-07-22 17:28:30,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:28:30,455 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-22 17:28:30,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:28:30,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-22 17:28:30,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-22 17:28:30,456 INFO L87 Difference]: Start difference. First operand 874 states and 1455 transitions. Second operand has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-22 17:28:31,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:28:31,769 INFO L93 Difference]: Finished difference Result 2281 states and 3875 transitions. [2022-07-22 17:28:31,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-22 17:28:31,770 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 121 [2022-07-22 17:28:31,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:28:31,776 INFO L225 Difference]: With dead ends: 2281 [2022-07-22 17:28:31,776 INFO L226 Difference]: Without dead ends: 1475 [2022-07-22 17:28:31,778 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 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 17:28:31,784 INFO L413 NwaCegarLoop]: 753 mSDtfsCounter, 1408 mSDsluCounter, 793 mSDsCounter, 0 mSdLazyCounter, 1267 mSolverCounterSat, 579 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1426 SdHoareTripleChecker+Valid, 1546 SdHoareTripleChecker+Invalid, 1846 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 579 IncrementalHoareTripleChecker+Valid, 1267 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-07-22 17:28:31,784 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1426 Valid, 1546 Invalid, 1846 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [579 Valid, 1267 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-22 17:28:31,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1475 states. [2022-07-22 17:28:31,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1475 to 1289. [2022-07-22 17:28:31,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1289 states, 1034 states have (on average 1.6402321083172147) internal successors, (1696), 1040 states have internal predecessors, (1696), 228 states have call successors, (228), 22 states have call predecessors, (228), 26 states have return successors, (259), 226 states have call predecessors, (259), 227 states have call successors, (259) [2022-07-22 17:28:31,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1289 states to 1289 states and 2183 transitions. [2022-07-22 17:28:31,834 INFO L78 Accepts]: Start accepts. Automaton has 1289 states and 2183 transitions. Word has length 121 [2022-07-22 17:28:31,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:28:31,834 INFO L495 AbstractCegarLoop]: Abstraction has 1289 states and 2183 transitions. [2022-07-22 17:28:31,834 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-22 17:28:31,834 INFO L276 IsEmpty]: Start isEmpty. Operand 1289 states and 2183 transitions. [2022-07-22 17:28:31,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-07-22 17:28:31,839 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:28:31,839 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-07-22 17:28:31,839 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-22 17:28:31,840 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:28:31,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:28:31,840 INFO L85 PathProgramCache]: Analyzing trace with hash 1259776489, now seen corresponding path program 1 times [2022-07-22 17:28:31,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:28:31,840 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37298087] [2022-07-22 17:28:31,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:28:31,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:28:31,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:31,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 17:28:31,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:31,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-22 17:28:31,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:31,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-22 17:28:31,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:31,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-22 17:28:31,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:31,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-22 17:28:31,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:31,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-22 17:28:31,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:31,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-07-22 17:28:31,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:31,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-22 17:28:31,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:31,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-22 17:28:31,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:31,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-22 17:28:31,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:31,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-07-22 17:28:31,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:31,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-22 17:28:31,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:31,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-22 17:28:31,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:31,900 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-07-22 17:28:31,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:28:31,900 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37298087] [2022-07-22 17:28:31,900 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [37298087] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:28:31,901 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:28:31,901 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-22 17:28:31,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306976712] [2022-07-22 17:28:31,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:28:31,901 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-22 17:28:31,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:28:31,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-22 17:28:31,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-22 17:28:31,902 INFO L87 Difference]: Start difference. First operand 1289 states and 2183 transitions. Second operand has 7 states, 7 states have (on average 11.0) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-22 17:28:33,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:28:33,107 INFO L93 Difference]: Finished difference Result 3295 states and 5653 transitions. [2022-07-22 17:28:33,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-22 17:28:33,108 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 122 [2022-07-22 17:28:33,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:28:33,118 INFO L225 Difference]: With dead ends: 3295 [2022-07-22 17:28:33,118 INFO L226 Difference]: Without dead ends: 2127 [2022-07-22 17:28:33,121 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 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 17:28:33,121 INFO L413 NwaCegarLoop]: 742 mSDtfsCounter, 1409 mSDsluCounter, 771 mSDsCounter, 0 mSdLazyCounter, 1238 mSolverCounterSat, 588 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1427 SdHoareTripleChecker+Valid, 1513 SdHoareTripleChecker+Invalid, 1826 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 588 IncrementalHoareTripleChecker+Valid, 1238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-07-22 17:28:33,122 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1427 Valid, 1513 Invalid, 1826 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [588 Valid, 1238 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-22 17:28:33,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2127 states. [2022-07-22 17:28:33,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2127 to 1941. [2022-07-22 17:28:33,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1941 states, 1567 states have (on average 1.6483726866624122) internal successors, (2583), 1573 states have internal predecessors, (2583), 347 states have call successors, (347), 22 states have call predecessors, (347), 26 states have return successors, (378), 345 states have call predecessors, (378), 346 states have call successors, (378) [2022-07-22 17:28:33,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1941 states to 1941 states and 3308 transitions. [2022-07-22 17:28:33,208 INFO L78 Accepts]: Start accepts. Automaton has 1941 states and 3308 transitions. Word has length 122 [2022-07-22 17:28:33,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:28:33,208 INFO L495 AbstractCegarLoop]: Abstraction has 1941 states and 3308 transitions. [2022-07-22 17:28:33,208 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-22 17:28:33,208 INFO L276 IsEmpty]: Start isEmpty. Operand 1941 states and 3308 transitions. [2022-07-22 17:28:33,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-07-22 17:28:33,215 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:28:33,215 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-07-22 17:28:33,216 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-22 17:28:33,216 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:28:33,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:28:33,216 INFO L85 PathProgramCache]: Analyzing trace with hash 1328199485, now seen corresponding path program 1 times [2022-07-22 17:28:33,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:28:33,216 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976311230] [2022-07-22 17:28:33,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:28:33,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:28:33,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:33,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 17:28:33,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:33,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-22 17:28:33,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:33,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-22 17:28:33,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:33,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-22 17:28:33,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:33,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-22 17:28:33,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:33,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-22 17:28:33,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:33,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-22 17:28:33,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:33,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-22 17:28:33,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:33,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-22 17:28:33,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:33,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-22 17:28:33,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:33,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-22 17:28:33,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:33,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-22 17:28:33,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:33,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-22 17:28:33,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:33,286 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-07-22 17:28:33,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:28:33,286 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976311230] [2022-07-22 17:28:33,286 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1976311230] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:28:33,286 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:28:33,286 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-22 17:28:33,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623897564] [2022-07-22 17:28:33,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:28:33,287 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-22 17:28:33,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:28:33,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-22 17:28:33,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-22 17:28:33,288 INFO L87 Difference]: Start difference. First operand 1941 states and 3308 transitions. Second operand has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-22 17:28:34,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:28:34,488 INFO L93 Difference]: Finished difference Result 4825 states and 8355 transitions. [2022-07-22 17:28:34,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-22 17:28:34,488 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 123 [2022-07-22 17:28:34,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:28:34,499 INFO L225 Difference]: With dead ends: 4825 [2022-07-22 17:28:34,500 INFO L226 Difference]: Without dead ends: 3130 [2022-07-22 17:28:34,503 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 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 17:28:34,504 INFO L413 NwaCegarLoop]: 740 mSDtfsCounter, 1409 mSDsluCounter, 770 mSDsCounter, 0 mSdLazyCounter, 1240 mSolverCounterSat, 580 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1428 SdHoareTripleChecker+Valid, 1510 SdHoareTripleChecker+Invalid, 1820 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 580 IncrementalHoareTripleChecker+Valid, 1240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-07-22 17:28:34,504 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1428 Valid, 1510 Invalid, 1820 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [580 Valid, 1240 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-22 17:28:34,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3130 states. [2022-07-22 17:28:34,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3130 to 2944. [2022-07-22 17:28:34,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2944 states, 2408 states have (on average 1.6549003322259137) internal successors, (3985), 2414 states have internal predecessors, (3985), 509 states have call successors, (509), 22 states have call predecessors, (509), 26 states have return successors, (556), 507 states have call predecessors, (556), 508 states have call successors, (556) [2022-07-22 17:28:34,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2944 states to 2944 states and 5050 transitions. [2022-07-22 17:28:34,605 INFO L78 Accepts]: Start accepts. Automaton has 2944 states and 5050 transitions. Word has length 123 [2022-07-22 17:28:34,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:28:34,605 INFO L495 AbstractCegarLoop]: Abstraction has 2944 states and 5050 transitions. [2022-07-22 17:28:34,606 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-22 17:28:34,606 INFO L276 IsEmpty]: Start isEmpty. Operand 2944 states and 5050 transitions. [2022-07-22 17:28:34,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-07-22 17:28:34,614 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:28:34,614 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-07-22 17:28:34,614 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-07-22 17:28:34,614 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:28:34,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:28:34,615 INFO L85 PathProgramCache]: Analyzing trace with hash 1022817930, now seen corresponding path program 1 times [2022-07-22 17:28:34,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:28:34,615 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129755377] [2022-07-22 17:28:34,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:28:34,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:28:34,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:34,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 17:28:34,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:34,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-22 17:28:34,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:34,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-22 17:28:34,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:34,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-22 17:28:34,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:34,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-22 17:28:34,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:34,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-22 17:28:34,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:34,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-22 17:28:34,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:34,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-22 17:28:34,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:34,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-22 17:28:34,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:34,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-22 17:28:34,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:34,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-22 17:28:34,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:34,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-22 17:28:34,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:34,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-22 17:28:34,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:34,695 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-07-22 17:28:34,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:28:34,695 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129755377] [2022-07-22 17:28:34,695 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2129755377] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:28:34,695 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:28:34,696 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-22 17:28:34,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342827198] [2022-07-22 17:28:34,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:28:34,696 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-22 17:28:34,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:28:34,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-22 17:28:34,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-22 17:28:34,697 INFO L87 Difference]: Start difference. First operand 2944 states and 5050 transitions. Second operand has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-22 17:28:35,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:28:35,879 INFO L93 Difference]: Finished difference Result 7249 states and 12644 transitions. [2022-07-22 17:28:35,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-22 17:28:35,879 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 124 [2022-07-22 17:28:35,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:28:35,897 INFO L225 Difference]: With dead ends: 7249 [2022-07-22 17:28:35,898 INFO L226 Difference]: Without dead ends: 4755 [2022-07-22 17:28:35,903 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 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 17:28:35,904 INFO L413 NwaCegarLoop]: 747 mSDtfsCounter, 1401 mSDsluCounter, 770 mSDsCounter, 0 mSdLazyCounter, 1251 mSolverCounterSat, 575 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1419 SdHoareTripleChecker+Valid, 1517 SdHoareTripleChecker+Invalid, 1826 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 575 IncrementalHoareTripleChecker+Valid, 1251 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-22 17:28:35,904 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1419 Valid, 1517 Invalid, 1826 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [575 Valid, 1251 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-22 17:28:35,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4755 states. [2022-07-22 17:28:36,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4755 to 4569. [2022-07-22 17:28:36,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4569 states, 3788 states have (on average 1.6594508975712776) internal successors, (6286), 3794 states have internal predecessors, (6286), 754 states have call successors, (754), 22 states have call predecessors, (754), 26 states have return successors, (827), 752 states have call predecessors, (827), 753 states have call successors, (827) [2022-07-22 17:28:36,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4569 states to 4569 states and 7867 transitions. [2022-07-22 17:28:36,092 INFO L78 Accepts]: Start accepts. Automaton has 4569 states and 7867 transitions. Word has length 124 [2022-07-22 17:28:36,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:28:36,092 INFO L495 AbstractCegarLoop]: Abstraction has 4569 states and 7867 transitions. [2022-07-22 17:28:36,092 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-22 17:28:36,092 INFO L276 IsEmpty]: Start isEmpty. Operand 4569 states and 7867 transitions. [2022-07-22 17:28:36,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2022-07-22 17:28:36,102 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:28:36,103 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-07-22 17:28:36,103 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-07-22 17:28:36,103 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:28:36,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:28:36,103 INFO L85 PathProgramCache]: Analyzing trace with hash 2087014137, now seen corresponding path program 1 times [2022-07-22 17:28:36,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:28:36,104 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768567332] [2022-07-22 17:28:36,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:28:36,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:28:36,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:36,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 17:28:36,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:36,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-22 17:28:36,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:36,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-22 17:28:36,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:36,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-22 17:28:36,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:36,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-22 17:28:36,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:36,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-22 17:28:36,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:36,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-22 17:28:36,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:36,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-22 17:28:36,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:36,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-22 17:28:36,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:36,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-22 17:28:36,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:36,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-22 17:28:36,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:36,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-22 17:28:36,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:36,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-22 17:28:36,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:36,170 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-07-22 17:28:36,170 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:28:36,170 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768567332] [2022-07-22 17:28:36,170 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [768567332] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:28:36,170 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:28:36,171 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-22 17:28:36,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494776912] [2022-07-22 17:28:36,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:28:36,171 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-22 17:28:36,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:28:36,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-22 17:28:36,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-22 17:28:36,172 INFO L87 Difference]: Start difference. First operand 4569 states and 7867 transitions. Second operand has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-22 17:28:37,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:28:37,323 INFO L93 Difference]: Finished difference Result 11295 states and 19804 transitions. [2022-07-22 17:28:37,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-22 17:28:37,333 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 125 [2022-07-22 17:28:37,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:28:37,362 INFO L225 Difference]: With dead ends: 11295 [2022-07-22 17:28:37,363 INFO L226 Difference]: Without dead ends: 7488 [2022-07-22 17:28:37,373 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 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 17:28:37,373 INFO L413 NwaCegarLoop]: 755 mSDtfsCounter, 1399 mSDsluCounter, 780 mSDsCounter, 0 mSdLazyCounter, 1271 mSolverCounterSat, 588 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1417 SdHoareTripleChecker+Valid, 1535 SdHoareTripleChecker+Invalid, 1859 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 588 IncrementalHoareTripleChecker+Valid, 1271 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-22 17:28:37,374 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1417 Valid, 1535 Invalid, 1859 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [588 Valid, 1271 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-22 17:28:37,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7488 states. [2022-07-22 17:28:37,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7488 to 7302. [2022-07-22 17:28:37,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7302 states, 6028 states have (on average 1.65743198407432) internal successors, (9991), 6034 states have internal predecessors, (9991), 1247 states have call successors, (1247), 22 states have call predecessors, (1247), 26 states have return successors, (1364), 1245 states have call predecessors, (1364), 1246 states have call successors, (1364) [2022-07-22 17:28:37,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7302 states to 7302 states and 12602 transitions. [2022-07-22 17:28:37,678 INFO L78 Accepts]: Start accepts. Automaton has 7302 states and 12602 transitions. Word has length 125 [2022-07-22 17:28:37,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:28:37,679 INFO L495 AbstractCegarLoop]: Abstraction has 7302 states and 12602 transitions. [2022-07-22 17:28:37,679 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-22 17:28:37,679 INFO L276 IsEmpty]: Start isEmpty. Operand 7302 states and 12602 transitions. [2022-07-22 17:28:37,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-07-22 17:28:37,694 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:28:37,695 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-07-22 17:28:37,695 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-07-22 17:28:37,695 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:28:37,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:28:37,695 INFO L85 PathProgramCache]: Analyzing trace with hash 87237326, now seen corresponding path program 1 times [2022-07-22 17:28:37,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:28:37,695 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320821297] [2022-07-22 17:28:37,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:28:37,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:28:37,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:37,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 17:28:37,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:37,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-22 17:28:37,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:37,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-22 17:28:37,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:37,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-22 17:28:37,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:37,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-22 17:28:37,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:37,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-22 17:28:37,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:37,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-22 17:28:37,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:37,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-22 17:28:37,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:37,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-07-22 17:28:37,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:37,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-22 17:28:37,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:37,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-22 17:28:37,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:37,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-07-22 17:28:37,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:37,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-22 17:28:37,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:37,774 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-07-22 17:28:37,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:28:37,774 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1320821297] [2022-07-22 17:28:37,774 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1320821297] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:28:37,774 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:28:37,774 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-22 17:28:37,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103366523] [2022-07-22 17:28:37,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:28:37,775 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-22 17:28:37,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:28:37,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-22 17:28:37,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-22 17:28:37,776 INFO L87 Difference]: Start difference. First operand 7302 states and 12602 transitions. Second operand has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-22 17:28:39,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:28:39,294 INFO L93 Difference]: Finished difference Result 18630 states and 32688 transitions. [2022-07-22 17:28:39,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-22 17:28:39,295 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 126 [2022-07-22 17:28:39,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:28:39,329 INFO L225 Difference]: With dead ends: 18630 [2022-07-22 17:28:39,329 INFO L226 Difference]: Without dead ends: 12467 [2022-07-22 17:28:39,343 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 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 17:28:39,344 INFO L413 NwaCegarLoop]: 746 mSDtfsCounter, 1400 mSDsluCounter, 775 mSDsCounter, 0 mSdLazyCounter, 1259 mSolverCounterSat, 582 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1418 SdHoareTripleChecker+Valid, 1521 SdHoareTripleChecker+Invalid, 1841 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 582 IncrementalHoareTripleChecker+Valid, 1259 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-07-22 17:28:39,346 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1418 Valid, 1521 Invalid, 1841 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [582 Valid, 1259 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-22 17:28:39,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12467 states. [2022-07-22 17:28:39,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12467 to 12281. [2022-07-22 17:28:39,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12281 states, 10185 states have (on average 1.657437407952872) internal successors, (16881), 10191 states have internal predecessors, (16881), 2069 states have call successors, (2069), 22 states have call predecessors, (2069), 26 states have return successors, (2264), 2067 states have call predecessors, (2264), 2068 states have call successors, (2264) [2022-07-22 17:28:39,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12281 states to 12281 states and 21214 transitions. [2022-07-22 17:28:39,891 INFO L78 Accepts]: Start accepts. Automaton has 12281 states and 21214 transitions. Word has length 126 [2022-07-22 17:28:39,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:28:39,891 INFO L495 AbstractCegarLoop]: Abstraction has 12281 states and 21214 transitions. [2022-07-22 17:28:39,892 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-22 17:28:39,892 INFO L276 IsEmpty]: Start isEmpty. Operand 12281 states and 21214 transitions. [2022-07-22 17:28:39,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-07-22 17:28:39,911 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:28:39,911 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-07-22 17:28:39,912 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-07-22 17:28:39,912 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:28:39,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:28:39,912 INFO L85 PathProgramCache]: Analyzing trace with hash 1424852199, now seen corresponding path program 1 times [2022-07-22 17:28:39,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:28:39,912 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009223660] [2022-07-22 17:28:39,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:28:39,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:28:39,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:39,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 17:28:39,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:39,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-22 17:28:39,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:39,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-22 17:28:39,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:39,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-22 17:28:39,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:39,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-22 17:28:39,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:39,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-22 17:28:39,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:39,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-22 17:28:39,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:39,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-22 17:28:39,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:39,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-07-22 17:28:39,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:39,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-22 17:28:39,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:39,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-07-22 17:28:39,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:39,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-22 17:28:39,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:39,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-22 17:28:39,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:39,988 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-07-22 17:28:39,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:28:39,988 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1009223660] [2022-07-22 17:28:39,988 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1009223660] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:28:39,989 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:28:39,989 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-22 17:28:39,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98241276] [2022-07-22 17:28:39,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:28:39,990 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-22 17:28:39,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:28:39,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-22 17:28:39,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-22 17:28:39,991 INFO L87 Difference]: Start difference. First operand 12281 states and 21214 transitions. Second operand has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-22 17:28:41,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:28:41,936 INFO L93 Difference]: Finished difference Result 29588 states and 51653 transitions. [2022-07-22 17:28:41,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-22 17:28:41,937 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 127 [2022-07-22 17:28:41,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:28:42,026 INFO L225 Difference]: With dead ends: 29588 [2022-07-22 17:28:42,027 INFO L226 Difference]: Without dead ends: 19420 [2022-07-22 17:28:42,062 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 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 17:28:42,063 INFO L413 NwaCegarLoop]: 746 mSDtfsCounter, 1396 mSDsluCounter, 749 mSDsCounter, 0 mSdLazyCounter, 1252 mSolverCounterSat, 566 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1414 SdHoareTripleChecker+Valid, 1495 SdHoareTripleChecker+Invalid, 1818 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 566 IncrementalHoareTripleChecker+Valid, 1252 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-22 17:28:42,063 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1414 Valid, 1495 Invalid, 1818 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [566 Valid, 1252 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-22 17:28:42,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19420 states. [2022-07-22 17:28:43,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19420 to 19234. [2022-07-22 17:28:43,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19234 states, 15935 states have (on average 1.6330718544085348) internal successors, (26023), 15941 states have internal predecessors, (26023), 3272 states have call successors, (3272), 22 states have call predecessors, (3272), 26 states have return successors, (3611), 3270 states have call predecessors, (3611), 3271 states have call successors, (3611) [2022-07-22 17:28:43,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19234 states to 19234 states and 32906 transitions. [2022-07-22 17:28:43,188 INFO L78 Accepts]: Start accepts. Automaton has 19234 states and 32906 transitions. Word has length 127 [2022-07-22 17:28:43,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:28:43,188 INFO L495 AbstractCegarLoop]: Abstraction has 19234 states and 32906 transitions. [2022-07-22 17:28:43,189 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-22 17:28:43,189 INFO L276 IsEmpty]: Start isEmpty. Operand 19234 states and 32906 transitions. [2022-07-22 17:28:43,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-07-22 17:28:43,217 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:28:43,218 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-07-22 17:28:43,218 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-07-22 17:28:43,218 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:28:43,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:28:43,219 INFO L85 PathProgramCache]: Analyzing trace with hash 1375617167, now seen corresponding path program 1 times [2022-07-22 17:28:43,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:28:43,220 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494435803] [2022-07-22 17:28:43,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:28:43,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:28:43,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:43,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 17:28:43,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:43,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-22 17:28:43,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:43,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-22 17:28:43,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:43,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-22 17:28:43,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:43,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-22 17:28:43,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:43,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-22 17:28:43,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:43,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-22 17:28:43,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:43,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-22 17:28:43,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:43,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-22 17:28:43,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:43,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-22 17:28:43,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:43,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-22 17:28:43,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:43,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-22 17:28:43,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:43,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-22 17:28:43,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:43,317 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-07-22 17:28:43,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:28:43,317 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494435803] [2022-07-22 17:28:43,318 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1494435803] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:28:43,318 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:28:43,318 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-22 17:28:43,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246022211] [2022-07-22 17:28:43,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:28:43,320 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-22 17:28:43,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:28:43,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-22 17:28:43,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-22 17:28:43,322 INFO L87 Difference]: Start difference. First operand 19234 states and 32906 transitions. Second operand has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-22 17:28:45,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:28:45,924 INFO L93 Difference]: Finished difference Result 51020 states and 88773 transitions. [2022-07-22 17:28:45,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-22 17:28:45,924 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 128 [2022-07-22 17:28:45,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:28:46,068 INFO L225 Difference]: With dead ends: 51020 [2022-07-22 17:28:46,068 INFO L226 Difference]: Without dead ends: 34541 [2022-07-22 17:28:46,110 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 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 17:28:46,110 INFO L413 NwaCegarLoop]: 747 mSDtfsCounter, 1395 mSDsluCounter, 771 mSDsCounter, 0 mSdLazyCounter, 1259 mSolverCounterSat, 579 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1414 SdHoareTripleChecker+Valid, 1518 SdHoareTripleChecker+Invalid, 1838 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 579 IncrementalHoareTripleChecker+Valid, 1259 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-22 17:28:46,111 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1414 Valid, 1518 Invalid, 1838 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [579 Valid, 1259 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-22 17:28:46,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34541 states. [2022-07-22 17:28:47,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34541 to 34355. [2022-07-22 17:28:47,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34355 states, 28606 states have (on average 1.6299377752918969) internal successors, (46626), 28612 states have internal predecessors, (46626), 5722 states have call successors, (5722), 22 states have call predecessors, (5722), 26 states have return successors, (6335), 5720 states have call predecessors, (6335), 5721 states have call successors, (6335) [2022-07-22 17:28:48,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34355 states to 34355 states and 58683 transitions. [2022-07-22 17:28:48,041 INFO L78 Accepts]: Start accepts. Automaton has 34355 states and 58683 transitions. Word has length 128 [2022-07-22 17:28:48,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:28:48,041 INFO L495 AbstractCegarLoop]: Abstraction has 34355 states and 58683 transitions. [2022-07-22 17:28:48,042 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-22 17:28:48,042 INFO L276 IsEmpty]: Start isEmpty. Operand 34355 states and 58683 transitions. [2022-07-22 17:28:48,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-07-22 17:28:48,069 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:28:48,070 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-07-22 17:28:48,070 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-07-22 17:28:48,070 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:28:48,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:28:48,071 INFO L85 PathProgramCache]: Analyzing trace with hash 1370742017, now seen corresponding path program 1 times [2022-07-22 17:28:48,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:28:48,071 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564522005] [2022-07-22 17:28:48,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:28:48,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:28:48,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:48,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 17:28:48,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:48,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-22 17:28:48,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:48,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-22 17:28:48,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:48,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-22 17:28:48,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:48,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-22 17:28:48,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:48,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-22 17:28:48,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:48,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-22 17:28:48,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:48,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-22 17:28:48,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:48,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-07-22 17:28:48,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:48,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-22 17:28:48,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:48,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-22 17:28:48,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:48,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-22 17:28:48,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:48,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-07-22 17:28:48,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:48,182 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-07-22 17:28:48,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:28:48,183 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1564522005] [2022-07-22 17:28:48,183 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1564522005] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:28:48,183 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:28:48,183 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-22 17:28:48,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460592714] [2022-07-22 17:28:48,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:28:48,185 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-22 17:28:48,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:28:48,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-22 17:28:48,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-22 17:28:48,186 INFO L87 Difference]: Start difference. First operand 34355 states and 58683 transitions. Second operand has 7 states, 7 states have (on average 12.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-22 17:28:51,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:28:51,445 INFO L93 Difference]: Finished difference Result 93892 states and 162567 transitions. [2022-07-22 17:28:51,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-22 17:28:51,446 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 129 [2022-07-22 17:28:51,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:28:51,644 INFO L225 Difference]: With dead ends: 93892 [2022-07-22 17:28:51,645 INFO L226 Difference]: Without dead ends: 63208 [2022-07-22 17:28:51,718 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 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 17:28:51,718 INFO L413 NwaCegarLoop]: 745 mSDtfsCounter, 1394 mSDsluCounter, 775 mSDsCounter, 0 mSdLazyCounter, 1248 mSolverCounterSat, 592 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1412 SdHoareTripleChecker+Valid, 1520 SdHoareTripleChecker+Invalid, 1840 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 592 IncrementalHoareTripleChecker+Valid, 1248 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-22 17:28:51,719 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1412 Valid, 1520 Invalid, 1840 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [592 Valid, 1248 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-22 17:28:51,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63208 states. [2022-07-22 17:28:54,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63208 to 63022. [2022-07-22 17:28:54,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63022 states, 52760 states have (on average 1.6257960576194086) internal successors, (85777), 52766 states have internal predecessors, (85777), 10235 states have call successors, (10235), 22 states have call predecessors, (10235), 26 states have return successors, (11380), 10233 states have call predecessors, (11380), 10234 states have call successors, (11380) [2022-07-22 17:28:54,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63022 states to 63022 states and 107392 transitions. [2022-07-22 17:28:54,834 INFO L78 Accepts]: Start accepts. Automaton has 63022 states and 107392 transitions. Word has length 129 [2022-07-22 17:28:54,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:28:54,835 INFO L495 AbstractCegarLoop]: Abstraction has 63022 states and 107392 transitions. [2022-07-22 17:28:54,835 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-22 17:28:54,835 INFO L276 IsEmpty]: Start isEmpty. Operand 63022 states and 107392 transitions. [2022-07-22 17:28:54,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-07-22 17:28:54,864 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:28:54,864 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-07-22 17:28:54,864 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-07-22 17:28:54,865 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:28:54,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:28:54,865 INFO L85 PathProgramCache]: Analyzing trace with hash -1992082129, now seen corresponding path program 1 times [2022-07-22 17:28:54,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:28:54,865 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512815344] [2022-07-22 17:28:54,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:28:54,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:28:54,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:54,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 17:28:54,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:54,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-22 17:28:54,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:54,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-22 17:28:54,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:54,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-22 17:28:54,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:54,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-22 17:28:54,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:54,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-22 17:28:54,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:54,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-22 17:28:54,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:54,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-22 17:28:54,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:54,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-22 17:28:54,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:54,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-22 17:28:54,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:54,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-22 17:28:54,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:54,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-22 17:28:54,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:54,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-22 17:28:54,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:28:54,940 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-07-22 17:28:54,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:28:54,940 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512815344] [2022-07-22 17:28:54,940 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [512815344] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:28:54,940 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:28:54,940 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-22 17:28:54,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711927192] [2022-07-22 17:28:54,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:28:54,941 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-22 17:28:54,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:28:54,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-22 17:28:54,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-22 17:28:54,942 INFO L87 Difference]: Start difference. First operand 63022 states and 107392 transitions. Second operand has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-22 17:28:59,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:28:59,370 INFO L93 Difference]: Finished difference Result 118268 states and 205201 transitions. [2022-07-22 17:28:59,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-22 17:28:59,371 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 130 [2022-07-22 17:28:59,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:28:59,820 INFO L225 Difference]: With dead ends: 118268 [2022-07-22 17:28:59,820 INFO L226 Difference]: Without dead ends: 118081 [2022-07-22 17:28:59,875 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 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 17:28:59,876 INFO L413 NwaCegarLoop]: 743 mSDtfsCounter, 1390 mSDsluCounter, 771 mSDsCounter, 0 mSdLazyCounter, 1243 mSolverCounterSat, 583 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1408 SdHoareTripleChecker+Valid, 1514 SdHoareTripleChecker+Invalid, 1826 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 583 IncrementalHoareTripleChecker+Valid, 1243 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-07-22 17:28:59,876 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1408 Valid, 1514 Invalid, 1826 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [583 Valid, 1243 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-22 17:28:59,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118081 states. [2022-07-22 17:29:04,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118081 to 117895. [2022-07-22 17:29:04,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117895 states, 99265 states have (on average 1.6205913463960107) internal successors, (160868), 99271 states have internal predecessors, (160868), 18603 states have call successors, (18603), 22 states have call predecessors, (18603), 26 states have return successors, (20794), 18601 states have call predecessors, (20794), 18602 states have call successors, (20794) [2022-07-22 17:29:05,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117895 states to 117895 states and 200265 transitions. [2022-07-22 17:29:05,232 INFO L78 Accepts]: Start accepts. Automaton has 117895 states and 200265 transitions. Word has length 130 [2022-07-22 17:29:05,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:29:05,233 INFO L495 AbstractCegarLoop]: Abstraction has 117895 states and 200265 transitions. [2022-07-22 17:29:05,233 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-22 17:29:05,233 INFO L276 IsEmpty]: Start isEmpty. Operand 117895 states and 200265 transitions. [2022-07-22 17:29:05,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-07-22 17:29:05,263 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:29:05,263 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-07-22 17:29:05,263 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-07-22 17:29:05,264 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:29:05,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:29:05,264 INFO L85 PathProgramCache]: Analyzing trace with hash 1408955328, now seen corresponding path program 1 times [2022-07-22 17:29:05,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:29:05,264 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649807714] [2022-07-22 17:29:05,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:29:05,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:29:05,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:05,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 17:29:05,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:05,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-22 17:29:05,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:05,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-22 17:29:05,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:05,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-22 17:29:05,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:05,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-22 17:29:05,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:05,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-22 17:29:05,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:05,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-22 17:29:05,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:05,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-22 17:29:05,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:05,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-22 17:29:05,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:05,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-07-22 17:29:05,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:05,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-22 17:29:05,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:05,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-22 17:29:05,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:05,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-22 17:29:05,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:05,354 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-07-22 17:29:05,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:29:05,354 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649807714] [2022-07-22 17:29:05,354 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [649807714] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:29:05,354 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:29:05,355 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-22 17:29:05,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229861539] [2022-07-22 17:29:05,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:29:05,356 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-22 17:29:05,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:29:05,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-22 17:29:05,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-07-22 17:29:05,356 INFO L87 Difference]: Start difference. First operand 117895 states and 200265 transitions. Second operand has 10 states, 10 states have (on average 8.6) internal successors, (86), 5 states have internal predecessors, (86), 2 states have call successors, (16), 6 states have call predecessors, (16), 2 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-22 17:29:12,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:29:12,321 INFO L93 Difference]: Finished difference Result 118977 states and 205263 transitions. [2022-07-22 17:29:12,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-07-22 17:29:12,322 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.6) internal successors, (86), 5 states have internal predecessors, (86), 2 states have call successors, (16), 6 states have call predecessors, (16), 2 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) Word has length 131 [2022-07-22 17:29:12,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:29:12,786 INFO L225 Difference]: With dead ends: 118977 [2022-07-22 17:29:12,786 INFO L226 Difference]: Without dead ends: 118798 [2022-07-22 17:29:12,835 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 32 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 17:29:12,835 INFO L413 NwaCegarLoop]: 1100 mSDtfsCounter, 2365 mSDsluCounter, 1153 mSDsCounter, 0 mSdLazyCounter, 5004 mSolverCounterSat, 1475 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2382 SdHoareTripleChecker+Valid, 2253 SdHoareTripleChecker+Invalid, 6479 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1475 IncrementalHoareTripleChecker+Valid, 5004 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-07-22 17:29:12,836 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2382 Valid, 2253 Invalid, 6479 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1475 Valid, 5004 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2022-07-22 17:29:12,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118798 states. [2022-07-22 17:29:17,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118798 to 118076. [2022-07-22 17:29:17,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118076 states, 99407 states have (on average 1.6203687869063548) internal successors, (161076), 99414 states have internal predecessors, (161076), 18628 states have call successors, (18628), 34 states have call predecessors, (18628), 40 states have return successors, (20823), 18627 states have call predecessors, (20823), 18626 states have call successors, (20823) [2022-07-22 17:29:18,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118076 states to 118076 states and 200527 transitions. [2022-07-22 17:29:18,412 INFO L78 Accepts]: Start accepts. Automaton has 118076 states and 200527 transitions. Word has length 131 [2022-07-22 17:29:18,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:29:18,412 INFO L495 AbstractCegarLoop]: Abstraction has 118076 states and 200527 transitions. [2022-07-22 17:29:18,413 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.6) internal successors, (86), 5 states have internal predecessors, (86), 2 states have call successors, (16), 6 states have call predecessors, (16), 2 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-22 17:29:18,413 INFO L276 IsEmpty]: Start isEmpty. Operand 118076 states and 200527 transitions. [2022-07-22 17:29:18,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-07-22 17:29:18,441 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:29:18,441 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-07-22 17:29:18,441 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-07-22 17:29:18,441 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:29:18,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:29:18,442 INFO L85 PathProgramCache]: Analyzing trace with hash 1786144608, now seen corresponding path program 1 times [2022-07-22 17:29:18,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:29:18,442 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367247734] [2022-07-22 17:29:18,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:29:18,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:29:18,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:18,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 17:29:18,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:18,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-22 17:29:18,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:18,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-22 17:29:18,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:18,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-22 17:29:18,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:18,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-22 17:29:18,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:18,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-22 17:29:18,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:18,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-22 17:29:18,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:18,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-22 17:29:18,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:18,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-22 17:29:18,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:18,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-07-22 17:29:18,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:18,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-22 17:29:18,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:18,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-22 17:29:18,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:18,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-22 17:29:18,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:29:18,681 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-07-22 17:29:18,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:29:18,682 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367247734] [2022-07-22 17:29:18,682 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367247734] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:29:18,682 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:29:18,682 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-07-22 17:29:18,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238450219] [2022-07-22 17:29:18,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:29:18,683 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-07-22 17:29:18,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:29:18,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-07-22 17:29:18,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-07-22 17:29:18,684 INFO L87 Difference]: Start difference. First operand 118076 states and 200527 transitions. Second operand has 17 states, 15 states have (on average 5.8) internal successors, (87), 11 states have internal predecessors, (87), 8 states have call successors, (16), 7 states have call predecessors, (16), 2 states have return successors, (13), 6 states have call predecessors, (13), 7 states have call successors, (13) [2022-07-22 17:29:25,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:29:25,844 INFO L93 Difference]: Finished difference Result 119290 states and 205740 transitions. [2022-07-22 17:29:25,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-07-22 17:29:25,846 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 15 states have (on average 5.8) internal successors, (87), 11 states have internal predecessors, (87), 8 states have call successors, (16), 7 states have call predecessors, (16), 2 states have return successors, (13), 6 states have call predecessors, (13), 7 states have call successors, (13) Word has length 132 [2022-07-22 17:29:25,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:29:26,369 INFO L225 Difference]: With dead ends: 119290 [2022-07-22 17:29:26,369 INFO L226 Difference]: Without dead ends: 118906 [2022-07-22 17:29:26,422 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 493 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=423, Invalid=2027, Unknown=0, NotChecked=0, Total=2450 [2022-07-22 17:29:26,422 INFO L413 NwaCegarLoop]: 707 mSDtfsCounter, 2257 mSDsluCounter, 2550 mSDsCounter, 0 mSdLazyCounter, 8289 mSolverCounterSat, 1080 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2257 SdHoareTripleChecker+Valid, 3257 SdHoareTripleChecker+Invalid, 9369 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1080 IncrementalHoareTripleChecker+Valid, 8289 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-07-22 17:29:26,422 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2257 Valid, 3257 Invalid, 9369 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1080 Valid, 8289 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-07-22 17:29:26,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118906 states.