./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/email_spec0_product38.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version eb692b52 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_spec0_product38.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 bd6587ac6cf18c69f9c15caef5354ee5ad606346c35154ee0861ae3e169457d6 --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-19 17:06:10,890 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-19 17:06:10,892 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-19 17:06:10,919 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-19 17:06:10,920 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-19 17:06:10,921 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-19 17:06:10,922 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-19 17:06:10,926 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-19 17:06:10,927 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-19 17:06:10,930 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-19 17:06:10,931 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-19 17:06:10,931 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-19 17:06:10,932 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-19 17:06:10,933 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-19 17:06:10,934 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-19 17:06:10,935 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-19 17:06:10,937 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-19 17:06:10,938 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-19 17:06:10,939 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-19 17:06:10,941 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-19 17:06:10,942 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-19 17:06:10,943 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-19 17:06:10,944 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-19 17:06:10,945 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-19 17:06:10,946 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-19 17:06:10,950 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-19 17:06:10,952 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-19 17:06:10,953 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-19 17:06:10,953 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-19 17:06:10,954 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-19 17:06:10,954 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-19 17:06:10,955 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-19 17:06:10,956 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-19 17:06:10,956 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-19 17:06:10,957 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-19 17:06:10,958 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-19 17:06:10,958 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-19 17:06:10,958 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-19 17:06:10,958 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-19 17:06:10,959 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-19 17:06:10,959 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-19 17:06:10,961 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-19 17:06:10,962 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-19 17:06:10,980 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-19 17:06:10,982 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-19 17:06:10,982 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-19 17:06:10,982 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-19 17:06:10,983 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-19 17:06:10,983 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-19 17:06:10,983 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-19 17:06:10,984 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-19 17:06:10,984 INFO L138 SettingsManager]: * Use SBE=true [2022-07-19 17:06:10,984 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-19 17:06:10,985 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-19 17:06:10,985 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-19 17:06:10,985 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-19 17:06:10,985 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-19 17:06:10,985 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-19 17:06:10,985 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-19 17:06:10,985 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-19 17:06:10,985 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-19 17:06:10,986 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-19 17:06:10,986 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-19 17:06:10,987 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-19 17:06:10,987 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-19 17:06:10,987 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-19 17:06:10,987 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-19 17:06:10,987 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 17:06:10,988 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-19 17:06:10,988 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-19 17:06:10,988 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-19 17:06:10,988 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-19 17:06:10,988 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-19 17:06:10,988 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-19 17:06:10,988 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-19 17:06:10,989 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-19 17:06:10,989 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bd6587ac6cf18c69f9c15caef5354ee5ad606346c35154ee0861ae3e169457d6 [2022-07-19 17:06:11,170 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-19 17:06:11,185 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-19 17:06:11,187 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-19 17:06:11,187 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-19 17:06:11,188 INFO L275 PluginConnector]: CDTParser initialized [2022-07-19 17:06:11,189 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec0_product38.cil.c [2022-07-19 17:06:11,236 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f190e0bb2/67aca7442250437aae9ec4dbfe2feb59/FLAG576ef57b8 [2022-07-19 17:06:11,658 INFO L306 CDTParser]: Found 1 translation units. [2022-07-19 17:06:11,659 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec0_product38.cil.c [2022-07-19 17:06:11,678 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f190e0bb2/67aca7442250437aae9ec4dbfe2feb59/FLAG576ef57b8 [2022-07-19 17:06:11,690 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f190e0bb2/67aca7442250437aae9ec4dbfe2feb59 [2022-07-19 17:06:11,695 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-19 17:06:11,696 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-19 17:06:11,698 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-19 17:06:11,698 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-19 17:06:11,700 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-19 17:06:11,701 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 05:06:11" (1/1) ... [2022-07-19 17:06:11,702 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ba7de83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:06:11, skipping insertion in model container [2022-07-19 17:06:11,702 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 05:06:11" (1/1) ... [2022-07-19 17:06:11,706 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-19 17:06:11,748 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-19 17:06:11,929 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_spec0_product38.cil.c[9373,9386] [2022-07-19 17:06:12,138 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 17:06:12,148 INFO L203 MainTranslator]: Completed pre-run [2022-07-19 17:06:12,179 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_spec0_product38.cil.c[9373,9386] [2022-07-19 17:06:12,233 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 17:06:12,265 INFO L208 MainTranslator]: Completed translation [2022-07-19 17:06:12,266 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:06:12 WrapperNode [2022-07-19 17:06:12,266 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-19 17:06:12,267 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-19 17:06:12,267 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-19 17:06:12,267 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-19 17:06:12,272 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:06:12" (1/1) ... [2022-07-19 17:06:12,288 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:06:12" (1/1) ... [2022-07-19 17:06:12,321 INFO L137 Inliner]: procedures = 124, calls = 195, calls flagged for inlining = 49, calls inlined = 46, statements flattened = 870 [2022-07-19 17:06:12,321 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-19 17:06:12,322 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-19 17:06:12,322 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-19 17:06:12,322 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-19 17:06:12,328 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:06:12" (1/1) ... [2022-07-19 17:06:12,328 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:06:12" (1/1) ... [2022-07-19 17:06:12,338 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:06:12" (1/1) ... [2022-07-19 17:06:12,338 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:06:12" (1/1) ... [2022-07-19 17:06:12,353 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:06:12" (1/1) ... [2022-07-19 17:06:12,369 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:06:12" (1/1) ... [2022-07-19 17:06:12,383 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:06:12" (1/1) ... [2022-07-19 17:06:12,387 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-19 17:06:12,390 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-19 17:06:12,390 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-19 17:06:12,390 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-19 17:06:12,391 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:06:12" (1/1) ... [2022-07-19 17:06:12,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 17:06:12,404 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 17:06:12,413 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) [2022-07-19 17:06:12,428 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 [2022-07-19 17:06:12,444 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2022-07-19 17:06:12,445 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2022-07-19 17:06:12,445 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2022-07-19 17:06:12,445 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2022-07-19 17:06:12,445 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2022-07-19 17:06:12,445 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2022-07-19 17:06:12,445 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2022-07-19 17:06:12,445 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2022-07-19 17:06:12,446 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2022-07-19 17:06:12,446 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2022-07-19 17:06:12,446 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2022-07-19 17:06:12,446 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2022-07-19 17:06:12,446 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2022-07-19 17:06:12,446 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2022-07-19 17:06:12,446 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2022-07-19 17:06:12,446 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2022-07-19 17:06:12,447 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2022-07-19 17:06:12,447 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2022-07-19 17:06:12,447 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2022-07-19 17:06:12,447 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-19 17:06:12,447 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2022-07-19 17:06:12,447 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2022-07-19 17:06:12,447 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2022-07-19 17:06:12,448 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2022-07-19 17:06:12,448 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2022-07-19 17:06:12,448 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2022-07-19 17:06:12,448 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2022-07-19 17:06:12,448 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2022-07-19 17:06:12,448 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2022-07-19 17:06:12,448 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2022-07-19 17:06:12,449 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2022-07-19 17:06:12,449 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2022-07-19 17:06:12,449 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2022-07-19 17:06:12,449 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2022-07-19 17:06:12,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-19 17:06:12,449 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2022-07-19 17:06:12,449 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2022-07-19 17:06:12,449 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2022-07-19 17:06:12,450 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2022-07-19 17:06:12,450 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-19 17:06:12,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-19 17:06:12,581 INFO L234 CfgBuilder]: Building ICFG [2022-07-19 17:06:12,583 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-19 17:06:13,025 INFO L275 CfgBuilder]: Performing block encoding [2022-07-19 17:06:13,038 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-19 17:06:13,039 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-19 17:06:13,040 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 05:06:13 BoogieIcfgContainer [2022-07-19 17:06:13,041 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-19 17:06:13,043 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-19 17:06:13,044 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-19 17:06:13,046 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-19 17:06:13,047 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 05:06:11" (1/3) ... [2022-07-19 17:06:13,047 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36b9a3ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 05:06:13, skipping insertion in model container [2022-07-19 17:06:13,047 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:06:12" (2/3) ... [2022-07-19 17:06:13,048 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36b9a3ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 05:06:13, skipping insertion in model container [2022-07-19 17:06:13,048 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 05:06:13" (3/3) ... [2022-07-19 17:06:13,049 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec0_product38.cil.c [2022-07-19 17:06:13,058 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-19 17:06:13,058 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-19 17:06:13,112 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-19 17:06:13,117 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@63704ffb, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@79874e00 [2022-07-19 17:06:13,117 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-19 17:06:13,126 INFO L276 IsEmpty]: Start isEmpty. Operand has 313 states, 246 states have (on average 1.5731707317073171) internal successors, (387), 249 states have internal predecessors, (387), 47 states have call successors, (47), 18 states have call predecessors, (47), 18 states have return successors, (47), 46 states have call predecessors, (47), 47 states have call successors, (47) [2022-07-19 17:06:13,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-07-19 17:06:13,148 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:06:13,149 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] [2022-07-19 17:06:13,150 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:06:13,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:06:13,154 INFO L85 PathProgramCache]: Analyzing trace with hash -816330075, now seen corresponding path program 1 times [2022-07-19 17:06:13,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:06:13,160 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242600498] [2022-07-19 17:06:13,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:06:13,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:06:13,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:13,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 17:06:13,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:13,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 17:06:13,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:13,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-19 17:06:13,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:13,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-19 17:06:13,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:13,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-19 17:06:13,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:13,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-19 17:06:13,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:13,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-19 17:06:13,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:13,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-19 17:06:13,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:13,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-19 17:06:13,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:13,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-19 17:06:13,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:13,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-19 17:06:13,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:13,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-07-19 17:06:13,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:13,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-19 17:06:13,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:13,563 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-07-19 17:06:13,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:06:13,564 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242600498] [2022-07-19 17:06:13,564 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [242600498] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 17:06:13,565 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1941263459] [2022-07-19 17:06:13,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:06:13,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 17:06:13,565 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 17:06:13,575 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) [2022-07-19 17:06:13,580 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-19 17:06:13,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:13,836 INFO L263 TraceCheckSpWp]: Trace formula consists of 999 conjuncts, 1 conjunts are in the unsatisfiable core [2022-07-19 17:06:13,845 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 17:06:13,862 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-07-19 17:06:13,862 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 17:06:13,862 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1941263459] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:06:13,862 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-19 17:06:13,863 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 9 [2022-07-19 17:06:13,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634237799] [2022-07-19 17:06:13,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:06:13,868 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-19 17:06:13,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:06:13,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-19 17:06:13,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-19 17:06:13,887 INFO L87 Difference]: Start difference. First operand has 313 states, 246 states have (on average 1.5731707317073171) internal successors, (387), 249 states have internal predecessors, (387), 47 states have call successors, (47), 18 states have call predecessors, (47), 18 states have return successors, (47), 46 states have call predecessors, (47), 47 states have call successors, (47) Second operand has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 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) [2022-07-19 17:06:13,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:06:13,920 INFO L93 Difference]: Finished difference Result 433 states and 652 transitions. [2022-07-19 17:06:13,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-19 17:06:13,922 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 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 [2022-07-19 17:06:13,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:06:13,931 INFO L225 Difference]: With dead ends: 433 [2022-07-19 17:06:13,932 INFO L226 Difference]: Without dead ends: 306 [2022-07-19 17:06:13,935 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-19 17:06:13,937 INFO L413 NwaCegarLoop]: 477 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, 477 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 [2022-07-19 17:06:13,937 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 477 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-19 17:06:13,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2022-07-19 17:06:13,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 306. [2022-07-19 17:06:13,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 306 states, 240 states have (on average 1.5666666666666667) internal successors, (376), 242 states have internal predecessors, (376), 47 states have call successors, (47), 18 states have call predecessors, (47), 18 states have return successors, (46), 45 states have call predecessors, (46), 46 states have call successors, (46) [2022-07-19 17:06:13,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 469 transitions. [2022-07-19 17:06:13,985 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 469 transitions. Word has length 102 [2022-07-19 17:06:13,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:06:13,987 INFO L495 AbstractCegarLoop]: Abstraction has 306 states and 469 transitions. [2022-07-19 17:06:13,987 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 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) [2022-07-19 17:06:13,987 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 469 transitions. [2022-07-19 17:06:13,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-07-19 17:06:13,990 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:06:13,990 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, 1] [2022-07-19 17:06:14,023 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-19 17:06:14,209 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 [2022-07-19 17:06:14,209 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:06:14,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:06:14,210 INFO L85 PathProgramCache]: Analyzing trace with hash 818093159, now seen corresponding path program 1 times [2022-07-19 17:06:14,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:06:14,211 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959711687] [2022-07-19 17:06:14,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:06:14,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:06:14,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:14,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 17:06:14,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:14,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 17:06:14,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:14,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-19 17:06:14,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:14,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-19 17:06:14,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:14,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-19 17:06:14,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:14,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-19 17:06:14,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:14,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-19 17:06:14,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:14,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-07-19 17:06:14,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:14,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-19 17:06:14,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:14,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-19 17:06:14,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:14,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-19 17:06:14,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:14,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-19 17:06:14,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:14,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-19 17:06:14,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:14,425 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-07-19 17:06:14,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:06:14,425 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1959711687] [2022-07-19 17:06:14,425 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1959711687] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 17:06:14,425 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [10389270] [2022-07-19 17:06:14,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:06:14,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 17:06:14,426 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 17:06:14,443 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) [2022-07-19 17:06:14,488 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-19 17:06:14,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:14,658 INFO L263 TraceCheckSpWp]: Trace formula consists of 1000 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-19 17:06:14,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 17:06:14,694 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-07-19 17:06:14,695 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 17:06:14,695 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [10389270] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:06:14,695 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-19 17:06:14,695 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2022-07-19 17:06:14,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919677153] [2022-07-19 17:06:14,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:06:14,697 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 17:06:14,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:06:14,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 17:06:14,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-07-19 17:06:14,698 INFO L87 Difference]: Start difference. First operand 306 states and 469 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 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) [2022-07-19 17:06:14,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:06:14,719 INFO L93 Difference]: Finished difference Result 423 states and 630 transitions. [2022-07-19 17:06:14,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 17:06:14,720 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 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 103 [2022-07-19 17:06:14,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:06:14,722 INFO L225 Difference]: With dead ends: 423 [2022-07-19 17:06:14,722 INFO L226 Difference]: Without dead ends: 309 [2022-07-19 17:06:14,723 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-07-19 17:06:14,724 INFO L413 NwaCegarLoop]: 467 mSDtfsCounter, 1 mSDsluCounter, 465 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 932 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 [2022-07-19 17:06:14,724 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 932 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-19 17:06:14,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2022-07-19 17:06:14,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 308. [2022-07-19 17:06:14,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 308 states, 242 states have (on average 1.56198347107438) internal successors, (378), 244 states have internal predecessors, (378), 47 states have call successors, (47), 18 states have call predecessors, (47), 18 states have return successors, (46), 45 states have call predecessors, (46), 46 states have call successors, (46) [2022-07-19 17:06:14,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 471 transitions. [2022-07-19 17:06:14,741 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 471 transitions. Word has length 103 [2022-07-19 17:06:14,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:06:14,741 INFO L495 AbstractCegarLoop]: Abstraction has 308 states and 471 transitions. [2022-07-19 17:06:14,741 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 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) [2022-07-19 17:06:14,741 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 471 transitions. [2022-07-19 17:06:14,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-07-19 17:06:14,743 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:06:14,743 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] [2022-07-19 17:06:14,763 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-19 17:06:14,961 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 [2022-07-19 17:06:14,961 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:06:14,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:06:14,961 INFO L85 PathProgramCache]: Analyzing trace with hash 695803230, now seen corresponding path program 1 times [2022-07-19 17:06:14,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:06:14,962 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789988517] [2022-07-19 17:06:14,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:06:14,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:06:14,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:15,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 17:06:15,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:15,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 17:06:15,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:15,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-19 17:06:15,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:15,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-19 17:06:15,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:15,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-19 17:06:15,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:15,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-19 17:06:15,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:15,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-19 17:06:15,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:15,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-19 17:06:15,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:15,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-07-19 17:06:15,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:15,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-19 17:06:15,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:15,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-19 17:06:15,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:15,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-19 17:06:15,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:15,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-19 17:06:15,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:15,086 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-07-19 17:06:15,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:06:15,088 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789988517] [2022-07-19 17:06:15,088 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1789988517] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 17:06:15,088 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1984712042] [2022-07-19 17:06:15,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:06:15,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 17:06:15,089 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 17:06:15,090 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) [2022-07-19 17:06:15,105 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-19 17:06:15,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:15,306 INFO L263 TraceCheckSpWp]: Trace formula consists of 1014 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-19 17:06:15,309 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 17:06:15,322 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-07-19 17:06:15,323 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 17:06:15,323 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1984712042] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:06:15,323 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-19 17:06:15,323 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2022-07-19 17:06:15,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215438136] [2022-07-19 17:06:15,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:06:15,323 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 17:06:15,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:06:15,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 17:06:15,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-07-19 17:06:15,324 INFO L87 Difference]: Start difference. First operand 308 states and 471 transitions. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 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) [2022-07-19 17:06:15,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:06:15,342 INFO L93 Difference]: Finished difference Result 664 states and 1034 transitions. [2022-07-19 17:06:15,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 17:06:15,342 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 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 109 [2022-07-19 17:06:15,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:06:15,344 INFO L225 Difference]: With dead ends: 664 [2022-07-19 17:06:15,344 INFO L226 Difference]: Without dead ends: 383 [2022-07-19 17:06:15,346 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-07-19 17:06:15,347 INFO L413 NwaCegarLoop]: 488 mSDtfsCounter, 134 mSDsluCounter, 421 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 909 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 [2022-07-19 17:06:15,347 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 909 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-19 17:06:15,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2022-07-19 17:06:15,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 375. [2022-07-19 17:06:15,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 375 states, 295 states have (on average 1.583050847457627) internal successors, (467), 297 states have internal predecessors, (467), 61 states have call successors, (61), 18 states have call predecessors, (61), 18 states have return successors, (60), 59 states have call predecessors, (60), 60 states have call successors, (60) [2022-07-19 17:06:15,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 588 transitions. [2022-07-19 17:06:15,365 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 588 transitions. Word has length 109 [2022-07-19 17:06:15,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:06:15,366 INFO L495 AbstractCegarLoop]: Abstraction has 375 states and 588 transitions. [2022-07-19 17:06:15,366 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 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) [2022-07-19 17:06:15,366 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 588 transitions. [2022-07-19 17:06:15,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-07-19 17:06:15,368 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:06:15,368 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, 1] [2022-07-19 17:06:15,403 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-07-19 17:06:15,606 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 [2022-07-19 17:06:15,606 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:06:15,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:06:15,607 INFO L85 PathProgramCache]: Analyzing trace with hash -1217435756, now seen corresponding path program 1 times [2022-07-19 17:06:15,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:06:15,607 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448010510] [2022-07-19 17:06:15,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:06:15,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:06:15,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:15,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 17:06:15,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:15,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 17:06:15,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:15,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-19 17:06:15,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:15,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-19 17:06:15,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:15,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-19 17:06:15,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:15,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-19 17:06:15,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:15,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-19 17:06:15,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:15,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-19 17:06:15,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:15,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-19 17:06:15,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:15,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-19 17:06:15,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:15,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-07-19 17:06:15,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:15,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-19 17:06:15,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:15,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-19 17:06:15,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:15,745 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-07-19 17:06:15,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:06:15,745 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448010510] [2022-07-19 17:06:15,745 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1448010510] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 17:06:15,745 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1611057030] [2022-07-19 17:06:15,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:06:15,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 17:06:15,746 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 17:06:15,747 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) [2022-07-19 17:06:15,767 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-07-19 17:06:15,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:15,976 INFO L263 TraceCheckSpWp]: Trace formula consists of 1021 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-19 17:06:15,983 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 17:06:16,035 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-19 17:06:16,035 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 17:06:16,035 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1611057030] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:06:16,035 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-19 17:06:16,035 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2022-07-19 17:06:16,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766835900] [2022-07-19 17:06:16,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:06:16,036 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-19 17:06:16,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:06:16,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-19 17:06:16,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-07-19 17:06:16,037 INFO L87 Difference]: Start difference. First operand 375 states and 588 transitions. Second operand has 5 states, 4 states have (on average 17.75) internal successors, (71), 5 states have internal predecessors, (71), 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) [2022-07-19 17:06:16,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:06:16,083 INFO L93 Difference]: Finished difference Result 741 states and 1166 transitions. [2022-07-19 17:06:16,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-19 17:06:16,084 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.75) internal successors, (71), 5 states have internal predecessors, (71), 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 110 [2022-07-19 17:06:16,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:06:16,086 INFO L225 Difference]: With dead ends: 741 [2022-07-19 17:06:16,087 INFO L226 Difference]: Without dead ends: 377 [2022-07-19 17:06:16,088 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2022-07-19 17:06:16,089 INFO L413 NwaCegarLoop]: 460 mSDtfsCounter, 152 mSDsluCounter, 1205 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 1665 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 [2022-07-19 17:06:16,090 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 1665 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-19 17:06:16,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2022-07-19 17:06:16,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 377. [2022-07-19 17:06:16,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 377 states, 296 states have (on average 1.5810810810810811) internal successors, (468), 299 states have internal predecessors, (468), 61 states have call successors, (61), 18 states have call predecessors, (61), 19 states have return successors, (62), 59 states have call predecessors, (62), 60 states have call successors, (62) [2022-07-19 17:06:16,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 591 transitions. [2022-07-19 17:06:16,107 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 591 transitions. Word has length 110 [2022-07-19 17:06:16,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:06:16,107 INFO L495 AbstractCegarLoop]: Abstraction has 377 states and 591 transitions. [2022-07-19 17:06:16,107 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.75) internal successors, (71), 5 states have internal predecessors, (71), 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) [2022-07-19 17:06:16,108 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 591 transitions. [2022-07-19 17:06:16,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-07-19 17:06:16,109 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:06:16,109 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, 1] [2022-07-19 17:06:16,135 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-07-19 17:06:16,327 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 [2022-07-19 17:06:16,327 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:06:16,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:06:16,328 INFO L85 PathProgramCache]: Analyzing trace with hash -1459654362, now seen corresponding path program 1 times [2022-07-19 17:06:16,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:06:16,328 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268076721] [2022-07-19 17:06:16,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:06:16,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:06:16,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:16,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 17:06:16,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:16,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 17:06:16,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:16,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-19 17:06:16,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:16,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-19 17:06:16,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:16,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-19 17:06:16,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:16,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-19 17:06:16,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:16,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-19 17:06:16,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:16,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-19 17:06:16,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:16,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-19 17:06:16,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:16,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-19 17:06:16,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:16,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-07-19 17:06:16,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:16,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-19 17:06:16,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:16,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-19 17:06:16,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:16,442 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-07-19 17:06:16,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:06:16,443 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268076721] [2022-07-19 17:06:16,443 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1268076721] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 17:06:16,443 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [203231916] [2022-07-19 17:06:16,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:06:16,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 17:06:16,443 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 17:06:16,444 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) [2022-07-19 17:06:16,445 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-07-19 17:06:16,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:16,638 INFO L263 TraceCheckSpWp]: Trace formula consists of 1022 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-19 17:06:16,641 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 17:06:16,677 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-19 17:06:16,677 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 17:06:16,677 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [203231916] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:06:16,677 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-19 17:06:16,677 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2022-07-19 17:06:16,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436708696] [2022-07-19 17:06:16,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:06:16,678 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-19 17:06:16,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:06:16,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-19 17:06:16,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2022-07-19 17:06:16,679 INFO L87 Difference]: Start difference. First operand 377 states and 591 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 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) [2022-07-19 17:06:16,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:06:16,726 INFO L93 Difference]: Finished difference Result 743 states and 1171 transitions. [2022-07-19 17:06:16,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-19 17:06:16,726 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 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 111 [2022-07-19 17:06:16,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:06:16,728 INFO L225 Difference]: With dead ends: 743 [2022-07-19 17:06:16,728 INFO L226 Difference]: Without dead ends: 379 [2022-07-19 17:06:16,730 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2022-07-19 17:06:16,730 INFO L413 NwaCegarLoop]: 458 mSDtfsCounter, 151 mSDsluCounter, 1196 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 1654 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 [2022-07-19 17:06:16,731 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [174 Valid, 1654 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-19 17:06:16,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2022-07-19 17:06:16,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 379. [2022-07-19 17:06:16,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 379 states, 297 states have (on average 1.5791245791245792) internal successors, (469), 301 states have internal predecessors, (469), 61 states have call successors, (61), 18 states have call predecessors, (61), 20 states have return successors, (67), 59 states have call predecessors, (67), 60 states have call successors, (67) [2022-07-19 17:06:16,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 597 transitions. [2022-07-19 17:06:16,745 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 597 transitions. Word has length 111 [2022-07-19 17:06:16,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:06:16,745 INFO L495 AbstractCegarLoop]: Abstraction has 379 states and 597 transitions. [2022-07-19 17:06:16,745 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 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) [2022-07-19 17:06:16,745 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 597 transitions. [2022-07-19 17:06:16,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-07-19 17:06:16,747 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:06:16,747 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] [2022-07-19 17:06:16,779 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-07-19 17:06:16,965 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 [2022-07-19 17:06:16,965 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:06:16,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:06:16,966 INFO L85 PathProgramCache]: Analyzing trace with hash -1498093858, now seen corresponding path program 1 times [2022-07-19 17:06:16,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:06:16,966 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839826765] [2022-07-19 17:06:16,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:06:16,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:06:16,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:17,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 17:06:17,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:17,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 17:06:17,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:17,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-19 17:06:17,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:17,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-19 17:06:17,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:17,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-19 17:06:17,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:17,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-19 17:06:17,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:17,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-07-19 17:06:17,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:17,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-19 17:06:17,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:17,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-19 17:06:17,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:17,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-19 17:06:17,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:17,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-19 17:06:17,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:17,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-07-19 17:06:17,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:17,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-19 17:06:17,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:17,078 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-07-19 17:06:17,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:06:17,078 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839826765] [2022-07-19 17:06:17,079 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [839826765] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:06:17,079 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:06:17,079 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-19 17:06:17,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058035272] [2022-07-19 17:06:17,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:06:17,080 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-19 17:06:17,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:06:17,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-19 17:06:17,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-19 17:06:17,081 INFO L87 Difference]: Start difference. First operand 379 states and 597 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) [2022-07-19 17:06:18,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:06:18,518 INFO L93 Difference]: Finished difference Result 863 states and 1377 transitions. [2022-07-19 17:06:18,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-19 17:06:18,518 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 [2022-07-19 17:06:18,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:06:18,521 INFO L225 Difference]: With dead ends: 863 [2022-07-19 17:06:18,521 INFO L226 Difference]: Without dead ends: 507 [2022-07-19 17:06:18,522 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 [2022-07-19 17:06:18,522 INFO L413 NwaCegarLoop]: 554 mSDtfsCounter, 1042 mSDsluCounter, 985 mSDsCounter, 0 mSdLazyCounter, 1818 mSolverCounterSat, 399 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1062 SdHoareTripleChecker+Valid, 1539 SdHoareTripleChecker+Invalid, 2217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 399 IncrementalHoareTripleChecker+Valid, 1818 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-07-19 17:06:18,523 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1062 Valid, 1539 Invalid, 2217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [399 Valid, 1818 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-19 17:06:18,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 507 states. [2022-07-19 17:06:18,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 507 to 379. [2022-07-19 17:06:18,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 379 states, 297 states have (on average 1.5791245791245792) internal successors, (469), 301 states have internal predecessors, (469), 61 states have call successors, (61), 18 states have call predecessors, (61), 20 states have return successors, (66), 59 states have call predecessors, (66), 60 states have call successors, (66) [2022-07-19 17:06:18,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 596 transitions. [2022-07-19 17:06:18,553 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 596 transitions. Word has length 112 [2022-07-19 17:06:18,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:06:18,553 INFO L495 AbstractCegarLoop]: Abstraction has 379 states and 596 transitions. [2022-07-19 17:06:18,553 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) [2022-07-19 17:06:18,553 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 596 transitions. [2022-07-19 17:06:18,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-07-19 17:06:18,554 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:06:18,554 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] [2022-07-19 17:06:18,555 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-19 17:06:18,555 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:06:18,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:06:18,555 INFO L85 PathProgramCache]: Analyzing trace with hash -155101294, now seen corresponding path program 2 times [2022-07-19 17:06:18,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:06:18,555 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1826496120] [2022-07-19 17:06:18,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:06:18,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:06:18,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:18,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 17:06:18,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:18,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 17:06:18,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:18,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-19 17:06:18,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:18,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-19 17:06:18,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:18,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-19 17:06:18,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:18,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-19 17:06:18,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:18,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-19 17:06:18,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:18,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-19 17:06:18,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:18,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-19 17:06:18,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:18,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-19 17:06:18,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:18,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-07-19 17:06:18,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:18,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-07-19 17:06:18,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:18,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-07-19 17:06:18,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:18,633 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-07-19 17:06:18,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:06:18,634 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1826496120] [2022-07-19 17:06:18,634 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1826496120] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:06:18,634 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:06:18,634 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-19 17:06:18,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770052895] [2022-07-19 17:06:18,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:06:18,634 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-19 17:06:18,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:06:18,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-19 17:06:18,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-19 17:06:18,635 INFO L87 Difference]: Start difference. First operand 379 states and 596 transitions. Second operand has 9 states, 8 states have (on average 8.75) internal successors, (70), 5 states have internal predecessors, (70), 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) [2022-07-19 17:06:19,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:06:19,869 INFO L93 Difference]: Finished difference Result 865 states and 1380 transitions. [2022-07-19 17:06:19,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-19 17:06:19,869 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 8.75) internal successors, (70), 5 states have internal predecessors, (70), 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 113 [2022-07-19 17:06:19,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:06:19,871 INFO L225 Difference]: With dead ends: 865 [2022-07-19 17:06:19,871 INFO L226 Difference]: Without dead ends: 509 [2022-07-19 17:06:19,872 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2022-07-19 17:06:19,873 INFO L413 NwaCegarLoop]: 555 mSDtfsCounter, 1036 mSDsluCounter, 985 mSDsCounter, 0 mSdLazyCounter, 1817 mSolverCounterSat, 408 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1056 SdHoareTripleChecker+Valid, 1540 SdHoareTripleChecker+Invalid, 2225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 408 IncrementalHoareTripleChecker+Valid, 1817 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-07-19 17:06:19,873 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1056 Valid, 1540 Invalid, 2225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [408 Valid, 1817 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-19 17:06:19,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 509 states. [2022-07-19 17:06:19,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 509 to 381. [2022-07-19 17:06:19,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 381 states, 298 states have (on average 1.5771812080536913) internal successors, (470), 303 states have internal predecessors, (470), 61 states have call successors, (61), 18 states have call predecessors, (61), 21 states have return successors, (68), 59 states have call predecessors, (68), 60 states have call successors, (68) [2022-07-19 17:06:19,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 599 transitions. [2022-07-19 17:06:19,889 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 599 transitions. Word has length 113 [2022-07-19 17:06:19,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:06:19,890 INFO L495 AbstractCegarLoop]: Abstraction has 381 states and 599 transitions. [2022-07-19 17:06:19,890 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 8.75) internal successors, (70), 5 states have internal predecessors, (70), 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) [2022-07-19 17:06:19,890 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 599 transitions. [2022-07-19 17:06:19,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-07-19 17:06:19,891 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:06:19,891 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] [2022-07-19 17:06:19,891 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-19 17:06:19,892 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:06:19,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:06:19,892 INFO L85 PathProgramCache]: Analyzing trace with hash 625579385, now seen corresponding path program 1 times [2022-07-19 17:06:19,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:06:19,892 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345296968] [2022-07-19 17:06:19,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:06:19,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:06:19,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:19,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 17:06:19,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:19,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 17:06:19,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:19,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-19 17:06:19,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:19,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-19 17:06:19,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:19,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-19 17:06:19,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:19,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-19 17:06:19,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:19,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-19 17:06:19,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:19,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-19 17:06:19,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:19,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-19 17:06:19,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:19,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-19 17:06:19,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:19,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-19 17:06:19,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:19,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-07-19 17:06:19,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:19,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-19 17:06:19,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:19,983 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-07-19 17:06:19,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:06:19,983 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345296968] [2022-07-19 17:06:19,983 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1345296968] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:06:19,983 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:06:19,984 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-07-19 17:06:19,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147279759] [2022-07-19 17:06:19,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:06:19,984 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-19 17:06:19,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:06:19,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-19 17:06:19,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2022-07-19 17:06:19,984 INFO L87 Difference]: Start difference. First operand 381 states and 599 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) [2022-07-19 17:06:21,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:06:21,696 INFO L93 Difference]: Finished difference Result 863 states and 1375 transitions. [2022-07-19 17:06:21,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-19 17:06:21,696 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 [2022-07-19 17:06:21,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:06:21,699 INFO L225 Difference]: With dead ends: 863 [2022-07-19 17:06:21,699 INFO L226 Difference]: Without dead ends: 509 [2022-07-19 17:06:21,700 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 [2022-07-19 17:06:21,701 INFO L413 NwaCegarLoop]: 537 mSDtfsCounter, 1177 mSDsluCounter, 1358 mSDsCounter, 0 mSdLazyCounter, 3191 mSolverCounterSat, 466 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1177 SdHoareTripleChecker+Valid, 1895 SdHoareTripleChecker+Invalid, 3657 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 466 IncrementalHoareTripleChecker+Valid, 3191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-19 17:06:21,701 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1177 Valid, 1895 Invalid, 3657 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [466 Valid, 3191 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-19 17:06:21,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 509 states. [2022-07-19 17:06:21,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 509 to 381. [2022-07-19 17:06:21,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 381 states, 298 states have (on average 1.5771812080536913) internal successors, (470), 303 states have internal predecessors, (470), 61 states have call successors, (61), 18 states have call predecessors, (61), 21 states have return successors, (67), 59 states have call predecessors, (67), 60 states have call successors, (67) [2022-07-19 17:06:21,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 598 transitions. [2022-07-19 17:06:21,718 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 598 transitions. Word has length 114 [2022-07-19 17:06:21,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:06:21,719 INFO L495 AbstractCegarLoop]: Abstraction has 381 states and 598 transitions. [2022-07-19 17:06:21,719 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) [2022-07-19 17:06:21,719 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 598 transitions. [2022-07-19 17:06:21,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-07-19 17:06:21,721 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:06:21,721 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, 1] [2022-07-19 17:06:21,721 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-19 17:06:21,721 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:06:21,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:06:21,722 INFO L85 PathProgramCache]: Analyzing trace with hash 1289921317, now seen corresponding path program 2 times [2022-07-19 17:06:21,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:06:21,722 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16626144] [2022-07-19 17:06:21,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:06:21,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:06:21,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:21,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 17:06:21,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:21,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 17:06:21,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:21,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-19 17:06:21,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:21,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-19 17:06:21,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:21,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-19 17:06:21,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:21,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-19 17:06:21,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:21,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-19 17:06:21,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:21,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-19 17:06:21,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:21,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-19 17:06:21,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:21,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-19 17:06:21,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:21,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-19 17:06:21,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:21,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-19 17:06:21,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:21,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-19 17:06:21,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:21,863 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-07-19 17:06:21,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:06:21,863 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [16626144] [2022-07-19 17:06:21,863 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [16626144] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:06:21,863 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:06:21,863 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-07-19 17:06:21,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977095495] [2022-07-19 17:06:21,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:06:21,863 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-19 17:06:21,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:06:21,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-19 17:06:21,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2022-07-19 17:06:21,864 INFO L87 Difference]: Start difference. First operand 381 states and 598 transitions. Second operand has 12 states, 11 states have (on average 6.818181818181818) internal successors, (75), 8 states have internal predecessors, (75), 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) [2022-07-19 17:06:23,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:06:23,555 INFO L93 Difference]: Finished difference Result 865 states and 1381 transitions. [2022-07-19 17:06:23,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-19 17:06:23,556 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.818181818181818) internal successors, (75), 8 states have internal predecessors, (75), 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 115 [2022-07-19 17:06:23,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:06:23,558 INFO L225 Difference]: With dead ends: 865 [2022-07-19 17:06:23,558 INFO L226 Difference]: Without dead ends: 511 [2022-07-19 17:06:23,559 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 [2022-07-19 17:06:23,559 INFO L413 NwaCegarLoop]: 536 mSDtfsCounter, 1174 mSDsluCounter, 1358 mSDsCounter, 0 mSdLazyCounter, 3193 mSolverCounterSat, 473 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1174 SdHoareTripleChecker+Valid, 1894 SdHoareTripleChecker+Invalid, 3666 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 473 IncrementalHoareTripleChecker+Valid, 3193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-19 17:06:23,560 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1174 Valid, 1894 Invalid, 3666 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [473 Valid, 3193 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-19 17:06:23,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 511 states. [2022-07-19 17:06:23,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 511 to 383. [2022-07-19 17:06:23,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 383 states, 299 states have (on average 1.5752508361204014) internal successors, (471), 305 states have internal predecessors, (471), 61 states have call successors, (61), 18 states have call predecessors, (61), 22 states have return successors, (72), 59 states have call predecessors, (72), 60 states have call successors, (72) [2022-07-19 17:06:23,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 604 transitions. [2022-07-19 17:06:23,577 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 604 transitions. Word has length 115 [2022-07-19 17:06:23,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:06:23,578 INFO L495 AbstractCegarLoop]: Abstraction has 383 states and 604 transitions. [2022-07-19 17:06:23,578 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.818181818181818) internal successors, (75), 8 states have internal predecessors, (75), 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) [2022-07-19 17:06:23,578 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 604 transitions. [2022-07-19 17:06:23,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-07-19 17:06:23,579 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:06:23,580 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, 1] [2022-07-19 17:06:23,580 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-19 17:06:23,580 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:06:23,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:06:23,580 INFO L85 PathProgramCache]: Analyzing trace with hash -1545546924, now seen corresponding path program 1 times [2022-07-19 17:06:23,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:06:23,580 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408175043] [2022-07-19 17:06:23,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:06:23,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:06:23,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:23,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 17:06:23,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:23,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 17:06:23,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:23,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-19 17:06:23,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:23,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-19 17:06:23,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:23,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-19 17:06:23,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:23,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-19 17:06:23,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:23,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-19 17:06:23,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:23,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-19 17:06:23,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:23,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-19 17:06:23,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:23,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-07-19 17:06:23,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:23,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-19 17:06:23,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:23,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-19 17:06:23,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:23,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-19 17:06:23,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:23,656 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-07-19 17:06:23,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:06:23,656 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408175043] [2022-07-19 17:06:23,656 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1408175043] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 17:06:23,656 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1474032931] [2022-07-19 17:06:23,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:06:23,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 17:06:23,657 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 17:06:23,658 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) [2022-07-19 17:06:23,659 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-07-19 17:06:23,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:23,876 INFO L263 TraceCheckSpWp]: Trace formula consists of 1027 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-19 17:06:23,879 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 17:06:23,905 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-07-19 17:06:23,906 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-19 17:06:23,983 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-07-19 17:06:23,983 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1474032931] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-19 17:06:23,983 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-19 17:06:23,983 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 11 [2022-07-19 17:06:23,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519534642] [2022-07-19 17:06:23,984 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-19 17:06:23,984 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-19 17:06:23,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:06:23,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-19 17:06:23,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2022-07-19 17:06:23,985 INFO L87 Difference]: Start difference. First operand 383 states and 604 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, (33), 6 states have call predecessors, (33), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-19 17:06:25,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:06:25,472 INFO L93 Difference]: Finished difference Result 1067 states and 1774 transitions. [2022-07-19 17:06:25,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-19 17:06:25,472 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, (33), 6 states have call predecessors, (33), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 116 [2022-07-19 17:06:25,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:06:25,476 INFO L225 Difference]: With dead ends: 1067 [2022-07-19 17:06:25,477 INFO L226 Difference]: Without dead ends: 953 [2022-07-19 17:06:25,477 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 270 GetRequests, 255 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2022-07-19 17:06:25,478 INFO L413 NwaCegarLoop]: 641 mSDtfsCounter, 1308 mSDsluCounter, 1387 mSDsCounter, 0 mSdLazyCounter, 2164 mSolverCounterSat, 593 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1365 SdHoareTripleChecker+Valid, 2028 SdHoareTripleChecker+Invalid, 2757 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 593 IncrementalHoareTripleChecker+Valid, 2164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-07-19 17:06:25,478 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1365 Valid, 2028 Invalid, 2757 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [593 Valid, 2164 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-19 17:06:25,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 953 states. [2022-07-19 17:06:25,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 953 to 801. [2022-07-19 17:06:25,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 801 states, 638 states have (on average 1.6363636363636365) internal successors, (1044), 644 states have internal predecessors, (1044), 140 states have call successors, (140), 18 states have call predecessors, (140), 22 states have return successors, (161), 138 states have call predecessors, (161), 139 states have call successors, (161) [2022-07-19 17:06:25,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 801 states to 801 states and 1345 transitions. [2022-07-19 17:06:25,512 INFO L78 Accepts]: Start accepts. Automaton has 801 states and 1345 transitions. Word has length 116 [2022-07-19 17:06:25,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:06:25,512 INFO L495 AbstractCegarLoop]: Abstraction has 801 states and 1345 transitions. [2022-07-19 17:06:25,512 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, (33), 6 states have call predecessors, (33), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-19 17:06:25,512 INFO L276 IsEmpty]: Start isEmpty. Operand 801 states and 1345 transitions. [2022-07-19 17:06:25,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-07-19 17:06:25,515 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:06:25,515 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] [2022-07-19 17:06:25,550 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-07-19 17:06:25,733 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 [2022-07-19 17:06:25,734 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:06:25,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:06:25,734 INFO L85 PathProgramCache]: Analyzing trace with hash -749441865, now seen corresponding path program 1 times [2022-07-19 17:06:25,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:06:25,735 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142437148] [2022-07-19 17:06:25,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:06:25,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:06:25,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:25,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 17:06:25,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:25,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 17:06:25,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:25,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-19 17:06:25,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:25,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-19 17:06:25,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:25,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-19 17:06:25,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:25,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-19 17:06:25,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:25,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-19 17:06:25,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:25,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-19 17:06:25,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:25,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-19 17:06:25,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:25,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-19 17:06:25,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:25,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-19 17:06:25,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:25,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-19 17:06:25,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:25,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-19 17:06:25,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:25,801 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-07-19 17:06:25,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:06:25,802 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142437148] [2022-07-19 17:06:25,802 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1142437148] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:06:25,802 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:06:25,802 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-19 17:06:25,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216654424] [2022-07-19 17:06:25,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:06:25,803 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-19 17:06:25,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:06:25,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-19 17:06:25,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-19 17:06:25,804 INFO L87 Difference]: Start difference. First operand 801 states and 1345 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) [2022-07-19 17:06:26,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:06:26,823 INFO L93 Difference]: Finished difference Result 2085 states and 3575 transitions. [2022-07-19 17:06:26,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-19 17:06:26,824 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 [2022-07-19 17:06:26,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:06:26,831 INFO L225 Difference]: With dead ends: 2085 [2022-07-19 17:06:26,831 INFO L226 Difference]: Without dead ends: 1352 [2022-07-19 17:06:26,833 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 [2022-07-19 17:06:26,834 INFO L413 NwaCegarLoop]: 592 mSDtfsCounter, 1034 mSDsluCounter, 789 mSDsCounter, 0 mSdLazyCounter, 992 mSolverCounterSat, 468 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1053 SdHoareTripleChecker+Valid, 1381 SdHoareTripleChecker+Invalid, 1460 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 468 IncrementalHoareTripleChecker+Valid, 992 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-19 17:06:26,834 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1053 Valid, 1381 Invalid, 1460 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [468 Valid, 992 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-19 17:06:26,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1352 states. [2022-07-19 17:06:26,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1352 to 1216. [2022-07-19 17:06:26,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1216 states, 974 states have (on average 1.646817248459959) internal successors, (1604), 980 states have internal predecessors, (1604), 219 states have call successors, (219), 18 states have call predecessors, (219), 22 states have return successors, (250), 217 states have call predecessors, (250), 218 states have call successors, (250) [2022-07-19 17:06:26,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1216 states to 1216 states and 2073 transitions. [2022-07-19 17:06:26,881 INFO L78 Accepts]: Start accepts. Automaton has 1216 states and 2073 transitions. Word has length 122 [2022-07-19 17:06:26,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:06:26,882 INFO L495 AbstractCegarLoop]: Abstraction has 1216 states and 2073 transitions. [2022-07-19 17:06:26,882 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) [2022-07-19 17:06:26,882 INFO L276 IsEmpty]: Start isEmpty. Operand 1216 states and 2073 transitions. [2022-07-19 17:06:26,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-07-19 17:06:26,887 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:06:26,887 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] [2022-07-19 17:06:26,887 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-19 17:06:26,887 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:06:26,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:06:26,888 INFO L85 PathProgramCache]: Analyzing trace with hash 780186974, now seen corresponding path program 1 times [2022-07-19 17:06:26,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:06:26,888 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093346837] [2022-07-19 17:06:26,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:06:26,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:06:26,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:26,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 17:06:26,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:26,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 17:06:26,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:26,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-19 17:06:26,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:26,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-19 17:06:26,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:26,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-19 17:06:26,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:26,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-19 17:06:26,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:26,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-07-19 17:06:26,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:26,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-19 17:06:26,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:26,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-19 17:06:26,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:26,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-19 17:06:26,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:26,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-07-19 17:06:26,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:26,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-19 17:06:26,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:26,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-19 17:06:26,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:26,964 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-07-19 17:06:26,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:06:26,964 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093346837] [2022-07-19 17:06:26,964 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2093346837] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:06:26,964 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:06:26,964 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-19 17:06:26,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002065636] [2022-07-19 17:06:26,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:06:26,965 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-19 17:06:26,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:06:26,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-19 17:06:26,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-19 17:06:26,965 INFO L87 Difference]: Start difference. First operand 1216 states and 2073 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) [2022-07-19 17:06:27,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:06:27,909 INFO L93 Difference]: Finished difference Result 3099 states and 5353 transitions. [2022-07-19 17:06:27,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-19 17:06:27,910 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 [2022-07-19 17:06:27,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:06:27,919 INFO L225 Difference]: With dead ends: 3099 [2022-07-19 17:06:27,919 INFO L226 Difference]: Without dead ends: 2004 [2022-07-19 17:06:27,922 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 [2022-07-19 17:06:27,922 INFO L413 NwaCegarLoop]: 584 mSDtfsCounter, 1030 mSDsluCounter, 771 mSDsCounter, 0 mSdLazyCounter, 973 mSolverCounterSat, 468 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1048 SdHoareTripleChecker+Valid, 1355 SdHoareTripleChecker+Invalid, 1441 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 468 IncrementalHoareTripleChecker+Valid, 973 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-19 17:06:27,922 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1048 Valid, 1355 Invalid, 1441 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [468 Valid, 973 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-19 17:06:27,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2004 states. [2022-07-19 17:06:28,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2004 to 1868. [2022-07-19 17:06:28,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1868 states, 1507 states have (on average 1.6529528865295289) internal successors, (2491), 1513 states have internal predecessors, (2491), 338 states have call successors, (338), 18 states have call predecessors, (338), 22 states have return successors, (369), 336 states have call predecessors, (369), 337 states have call successors, (369) [2022-07-19 17:06:28,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1868 states to 1868 states and 3198 transitions. [2022-07-19 17:06:28,050 INFO L78 Accepts]: Start accepts. Automaton has 1868 states and 3198 transitions. Word has length 123 [2022-07-19 17:06:28,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:06:28,051 INFO L495 AbstractCegarLoop]: Abstraction has 1868 states and 3198 transitions. [2022-07-19 17:06:28,051 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) [2022-07-19 17:06:28,051 INFO L276 IsEmpty]: Start isEmpty. Operand 1868 states and 3198 transitions. [2022-07-19 17:06:28,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-07-19 17:06:28,063 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:06:28,063 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] [2022-07-19 17:06:28,064 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-19 17:06:28,064 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:06:28,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:06:28,065 INFO L85 PathProgramCache]: Analyzing trace with hash 1999073525, now seen corresponding path program 1 times [2022-07-19 17:06:28,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:06:28,065 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334632124] [2022-07-19 17:06:28,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:06:28,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:06:28,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:28,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 17:06:28,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:28,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 17:06:28,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:28,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-19 17:06:28,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:28,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-19 17:06:28,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:28,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-19 17:06:28,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:28,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-19 17:06:28,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:28,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-19 17:06:28,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:28,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-19 17:06:28,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:28,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-19 17:06:28,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:28,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-19 17:06:28,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:28,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-07-19 17:06:28,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:28,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-07-19 17:06:28,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:28,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-19 17:06:28,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:28,136 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-07-19 17:06:28,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:06:28,136 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334632124] [2022-07-19 17:06:28,136 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1334632124] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:06:28,136 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:06:28,136 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-19 17:06:28,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779166922] [2022-07-19 17:06:28,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:06:28,137 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-19 17:06:28,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:06:28,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-19 17:06:28,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-19 17:06:28,138 INFO L87 Difference]: Start difference. First operand 1868 states and 3198 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) [2022-07-19 17:06:29,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:06:29,199 INFO L93 Difference]: Finished difference Result 4629 states and 8055 transitions. [2022-07-19 17:06:29,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-19 17:06:29,200 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 [2022-07-19 17:06:29,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:06:29,212 INFO L225 Difference]: With dead ends: 4629 [2022-07-19 17:06:29,212 INFO L226 Difference]: Without dead ends: 3007 [2022-07-19 17:06:29,216 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 [2022-07-19 17:06:29,217 INFO L413 NwaCegarLoop]: 581 mSDtfsCounter, 1032 mSDsluCounter, 770 mSDsCounter, 0 mSdLazyCounter, 974 mSolverCounterSat, 459 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1051 SdHoareTripleChecker+Valid, 1351 SdHoareTripleChecker+Invalid, 1433 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 459 IncrementalHoareTripleChecker+Valid, 974 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-19 17:06:29,217 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1051 Valid, 1351 Invalid, 1433 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [459 Valid, 974 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-19 17:06:29,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3007 states. [2022-07-19 17:06:29,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3007 to 2871. [2022-07-19 17:06:29,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2871 states, 2348 states have (on average 1.658006814310051) internal successors, (3893), 2354 states have internal predecessors, (3893), 500 states have call successors, (500), 18 states have call predecessors, (500), 22 states have return successors, (547), 498 states have call predecessors, (547), 499 states have call successors, (547) [2022-07-19 17:06:29,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2871 states to 2871 states and 4940 transitions. [2022-07-19 17:06:29,325 INFO L78 Accepts]: Start accepts. Automaton has 2871 states and 4940 transitions. Word has length 124 [2022-07-19 17:06:29,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:06:29,325 INFO L495 AbstractCegarLoop]: Abstraction has 2871 states and 4940 transitions. [2022-07-19 17:06:29,325 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) [2022-07-19 17:06:29,326 INFO L276 IsEmpty]: Start isEmpty. Operand 2871 states and 4940 transitions. [2022-07-19 17:06:29,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2022-07-19 17:06:29,335 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:06:29,335 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] [2022-07-19 17:06:29,335 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-07-19 17:06:29,336 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:06:29,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:06:29,336 INFO L85 PathProgramCache]: Analyzing trace with hash -1077032387, now seen corresponding path program 1 times [2022-07-19 17:06:29,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:06:29,336 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021024002] [2022-07-19 17:06:29,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:06:29,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:06:29,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:29,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 17:06:29,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:29,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 17:06:29,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:29,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-19 17:06:29,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:29,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-19 17:06:29,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:29,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-19 17:06:29,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:29,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-19 17:06:29,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:29,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-19 17:06:29,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:29,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-19 17:06:29,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:29,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-19 17:06:29,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:29,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-19 17:06:29,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:29,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-07-19 17:06:29,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:29,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-19 17:06:29,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:29,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-19 17:06:29,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:29,428 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-07-19 17:06:29,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:06:29,429 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1021024002] [2022-07-19 17:06:29,429 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1021024002] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:06:29,429 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:06:29,429 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-19 17:06:29,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458094448] [2022-07-19 17:06:29,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:06:29,430 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-19 17:06:29,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:06:29,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-19 17:06:29,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-19 17:06:29,430 INFO L87 Difference]: Start difference. First operand 2871 states and 4940 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) [2022-07-19 17:06:30,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:06:30,417 INFO L93 Difference]: Finished difference Result 7053 states and 12344 transitions. [2022-07-19 17:06:30,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-19 17:06:30,417 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 [2022-07-19 17:06:30,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:06:30,438 INFO L225 Difference]: With dead ends: 7053 [2022-07-19 17:06:30,438 INFO L226 Difference]: Without dead ends: 4632 [2022-07-19 17:06:30,446 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 [2022-07-19 17:06:30,446 INFO L413 NwaCegarLoop]: 581 mSDtfsCounter, 1029 mSDsluCounter, 770 mSDsCounter, 0 mSdLazyCounter, 959 mSolverCounterSat, 465 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1048 SdHoareTripleChecker+Valid, 1351 SdHoareTripleChecker+Invalid, 1424 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 465 IncrementalHoareTripleChecker+Valid, 959 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-19 17:06:30,447 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1048 Valid, 1351 Invalid, 1424 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [465 Valid, 959 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-19 17:06:30,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4632 states. [2022-07-19 17:06:30,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4632 to 4496. [2022-07-19 17:06:30,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4496 states, 3728 states have (on average 1.661480686695279) internal successors, (6194), 3734 states have internal predecessors, (6194), 745 states have call successors, (745), 18 states have call predecessors, (745), 22 states have return successors, (818), 743 states have call predecessors, (818), 744 states have call successors, (818) [2022-07-19 17:06:30,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4496 states to 4496 states and 7757 transitions. [2022-07-19 17:06:30,629 INFO L78 Accepts]: Start accepts. Automaton has 4496 states and 7757 transitions. Word has length 125 [2022-07-19 17:06:30,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:06:30,630 INFO L495 AbstractCegarLoop]: Abstraction has 4496 states and 7757 transitions. [2022-07-19 17:06:30,630 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) [2022-07-19 17:06:30,630 INFO L276 IsEmpty]: Start isEmpty. Operand 4496 states and 7757 transitions. [2022-07-19 17:06:30,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-07-19 17:06:30,642 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:06:30,642 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] [2022-07-19 17:06:30,642 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-07-19 17:06:30,643 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:06:30,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:06:30,643 INFO L85 PathProgramCache]: Analyzing trace with hash -1902792871, now seen corresponding path program 1 times [2022-07-19 17:06:30,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:06:30,643 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218061219] [2022-07-19 17:06:30,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:06:30,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:06:30,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:30,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 17:06:30,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:30,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 17:06:30,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:30,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-19 17:06:30,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:30,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-19 17:06:30,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:30,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-19 17:06:30,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:30,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-19 17:06:30,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:30,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-19 17:06:30,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:30,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-19 17:06:30,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:30,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-19 17:06:30,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:30,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-19 17:06:30,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:30,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-19 17:06:30,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:30,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-19 17:06:30,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:30,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-19 17:06:30,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:30,709 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-07-19 17:06:30,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:06:30,710 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1218061219] [2022-07-19 17:06:30,710 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1218061219] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:06:30,710 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:06:30,710 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-19 17:06:30,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835185992] [2022-07-19 17:06:30,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:06:30,710 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-19 17:06:30,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:06:30,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-19 17:06:30,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-19 17:06:30,711 INFO L87 Difference]: Start difference. First operand 4496 states and 7757 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) [2022-07-19 17:06:31,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:06:31,867 INFO L93 Difference]: Finished difference Result 11099 states and 19504 transitions. [2022-07-19 17:06:31,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-19 17:06:31,868 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 [2022-07-19 17:06:31,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:06:31,962 INFO L225 Difference]: With dead ends: 11099 [2022-07-19 17:06:31,963 INFO L226 Difference]: Without dead ends: 7365 [2022-07-19 17:06:31,975 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 [2022-07-19 17:06:31,976 INFO L413 NwaCegarLoop]: 595 mSDtfsCounter, 1027 mSDsluCounter, 802 mSDsCounter, 0 mSdLazyCounter, 971 mSolverCounterSat, 478 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1046 SdHoareTripleChecker+Valid, 1397 SdHoareTripleChecker+Invalid, 1449 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 478 IncrementalHoareTripleChecker+Valid, 971 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-19 17:06:31,976 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1046 Valid, 1397 Invalid, 1449 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [478 Valid, 971 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-19 17:06:31,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7365 states. [2022-07-19 17:06:32,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7365 to 7229. [2022-07-19 17:06:32,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7229 states, 5968 states have (on average 1.6586796246648794) internal successors, (9899), 5974 states have internal predecessors, (9899), 1238 states have call successors, (1238), 18 states have call predecessors, (1238), 22 states have return successors, (1355), 1236 states have call predecessors, (1355), 1237 states have call successors, (1355) [2022-07-19 17:06:32,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7229 states to 7229 states and 12492 transitions. [2022-07-19 17:06:32,299 INFO L78 Accepts]: Start accepts. Automaton has 7229 states and 12492 transitions. Word has length 126 [2022-07-19 17:06:32,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:06:32,299 INFO L495 AbstractCegarLoop]: Abstraction has 7229 states and 12492 transitions. [2022-07-19 17:06:32,300 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) [2022-07-19 17:06:32,300 INFO L276 IsEmpty]: Start isEmpty. Operand 7229 states and 12492 transitions. [2022-07-19 17:06:32,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-07-19 17:06:32,316 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:06:32,316 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] [2022-07-19 17:06:32,317 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-07-19 17:06:32,317 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:06:32,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:06:32,317 INFO L85 PathProgramCache]: Analyzing trace with hash 209525721, now seen corresponding path program 1 times [2022-07-19 17:06:32,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:06:32,318 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079226285] [2022-07-19 17:06:32,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:06:32,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:06:32,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:32,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 17:06:32,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:32,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 17:06:32,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:32,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-19 17:06:32,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:32,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-19 17:06:32,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:32,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-19 17:06:32,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:32,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-19 17:06:32,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:32,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-19 17:06:32,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:32,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-19 17:06:32,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:32,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-07-19 17:06:32,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:32,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-19 17:06:32,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:32,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-19 17:06:32,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:32,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-19 17:06:32,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:32,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-19 17:06:32,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:32,395 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-07-19 17:06:32,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:06:32,395 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079226285] [2022-07-19 17:06:32,395 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2079226285] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:06:32,395 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:06:32,395 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-19 17:06:32,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779745900] [2022-07-19 17:06:32,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:06:32,396 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-19 17:06:32,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:06:32,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-19 17:06:32,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-19 17:06:32,397 INFO L87 Difference]: Start difference. First operand 7229 states and 12492 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) [2022-07-19 17:06:33,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:06:33,704 INFO L93 Difference]: Finished difference Result 18434 states and 32388 transitions. [2022-07-19 17:06:33,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-19 17:06:33,704 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 [2022-07-19 17:06:33,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:06:33,754 INFO L225 Difference]: With dead ends: 18434 [2022-07-19 17:06:33,755 INFO L226 Difference]: Without dead ends: 12344 [2022-07-19 17:06:33,778 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 [2022-07-19 17:06:33,779 INFO L413 NwaCegarLoop]: 581 mSDtfsCounter, 1024 mSDsluCounter, 775 mSDsCounter, 0 mSdLazyCounter, 969 mSolverCounterSat, 463 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1042 SdHoareTripleChecker+Valid, 1356 SdHoareTripleChecker+Invalid, 1432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 463 IncrementalHoareTripleChecker+Valid, 969 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-19 17:06:33,779 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1042 Valid, 1356 Invalid, 1432 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [463 Valid, 969 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-19 17:06:33,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12344 states. [2022-07-19 17:06:34,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12344 to 12208. [2022-07-19 17:06:34,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12208 states, 10125 states have (on average 1.6581728395061728) internal successors, (16789), 10131 states have internal predecessors, (16789), 2060 states have call successors, (2060), 18 states have call predecessors, (2060), 22 states have return successors, (2255), 2058 states have call predecessors, (2255), 2059 states have call successors, (2255) [2022-07-19 17:06:34,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12208 states to 12208 states and 21104 transitions. [2022-07-19 17:06:34,430 INFO L78 Accepts]: Start accepts. Automaton has 12208 states and 21104 transitions. Word has length 127 [2022-07-19 17:06:34,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:06:34,431 INFO L495 AbstractCegarLoop]: Abstraction has 12208 states and 21104 transitions. [2022-07-19 17:06:34,431 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) [2022-07-19 17:06:34,431 INFO L276 IsEmpty]: Start isEmpty. Operand 12208 states and 21104 transitions. [2022-07-19 17:06:34,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-07-19 17:06:34,451 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:06:34,451 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] [2022-07-19 17:06:34,451 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-07-19 17:06:34,452 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:06:34,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:06:34,452 INFO L85 PathProgramCache]: Analyzing trace with hash 1718414795, now seen corresponding path program 1 times [2022-07-19 17:06:34,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:06:34,452 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981276725] [2022-07-19 17:06:34,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:06:34,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:06:34,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:34,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 17:06:34,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:34,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 17:06:34,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:34,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-19 17:06:34,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:34,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-19 17:06:34,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:34,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-19 17:06:34,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:34,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-19 17:06:34,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:34,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-19 17:06:34,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:34,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-19 17:06:34,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:34,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-07-19 17:06:34,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:34,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-19 17:06:34,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:34,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-19 17:06:34,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:34,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-19 17:06:34,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:34,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-07-19 17:06:34,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:34,524 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-07-19 17:06:34,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:06:34,524 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981276725] [2022-07-19 17:06:34,524 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [981276725] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:06:34,524 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:06:34,524 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-19 17:06:34,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131715180] [2022-07-19 17:06:34,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:06:34,525 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-19 17:06:34,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:06:34,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-19 17:06:34,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-19 17:06:34,526 INFO L87 Difference]: Start difference. First operand 12208 states and 21104 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) [2022-07-19 17:06:35,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:06:35,991 INFO L93 Difference]: Finished difference Result 29392 states and 51353 transitions. [2022-07-19 17:06:35,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-19 17:06:35,991 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 [2022-07-19 17:06:35,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:06:36,067 INFO L225 Difference]: With dead ends: 29392 [2022-07-19 17:06:36,067 INFO L226 Difference]: Without dead ends: 19297 [2022-07-19 17:06:36,102 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 [2022-07-19 17:06:36,102 INFO L413 NwaCegarLoop]: 579 mSDtfsCounter, 1022 mSDsluCounter, 745 mSDsCounter, 0 mSdLazyCounter, 956 mSolverCounterSat, 465 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1040 SdHoareTripleChecker+Valid, 1324 SdHoareTripleChecker+Invalid, 1421 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 465 IncrementalHoareTripleChecker+Valid, 956 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-19 17:06:36,103 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1040 Valid, 1324 Invalid, 1421 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [465 Valid, 956 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-19 17:06:36,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19297 states. [2022-07-19 17:06:36,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19297 to 19161. [2022-07-19 17:06:37,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19161 states, 15875 states have (on average 1.6334488188976377) internal successors, (25931), 15881 states have internal predecessors, (25931), 3263 states have call successors, (3263), 18 states have call predecessors, (3263), 22 states have return successors, (3602), 3261 states have call predecessors, (3602), 3262 states have call successors, (3602) [2022-07-19 17:06:37,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19161 states to 19161 states and 32796 transitions. [2022-07-19 17:06:37,087 INFO L78 Accepts]: Start accepts. Automaton has 19161 states and 32796 transitions. Word has length 128 [2022-07-19 17:06:37,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:06:37,088 INFO L495 AbstractCegarLoop]: Abstraction has 19161 states and 32796 transitions. [2022-07-19 17:06:37,088 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) [2022-07-19 17:06:37,088 INFO L276 IsEmpty]: Start isEmpty. Operand 19161 states and 32796 transitions. [2022-07-19 17:06:37,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-07-19 17:06:37,112 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:06:37,112 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] [2022-07-19 17:06:37,112 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-07-19 17:06:37,112 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:06:37,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:06:37,113 INFO L85 PathProgramCache]: Analyzing trace with hash -1529621608, now seen corresponding path program 1 times [2022-07-19 17:06:37,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:06:37,113 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083722943] [2022-07-19 17:06:37,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:06:37,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:06:37,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:37,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 17:06:37,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:37,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 17:06:37,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:37,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-19 17:06:37,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:37,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-19 17:06:37,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:37,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-19 17:06:37,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:37,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-19 17:06:37,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:37,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-19 17:06:37,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:37,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-19 17:06:37,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:37,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-19 17:06:37,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:37,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-07-19 17:06:37,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:37,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-19 17:06:37,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:37,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-19 17:06:37,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:37,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-19 17:06:37,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:37,200 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-07-19 17:06:37,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:06:37,200 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083722943] [2022-07-19 17:06:37,200 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1083722943] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:06:37,201 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:06:37,201 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-19 17:06:37,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029088799] [2022-07-19 17:06:37,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:06:37,202 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-19 17:06:37,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:06:37,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-19 17:06:37,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-19 17:06:37,203 INFO L87 Difference]: Start difference. First operand 19161 states and 32796 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) [2022-07-19 17:06:39,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:06:39,282 INFO L93 Difference]: Finished difference Result 50824 states and 88473 transitions. [2022-07-19 17:06:39,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-19 17:06:39,283 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 [2022-07-19 17:06:39,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:06:39,397 INFO L225 Difference]: With dead ends: 50824 [2022-07-19 17:06:39,398 INFO L226 Difference]: Without dead ends: 34418 [2022-07-19 17:06:39,437 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 [2022-07-19 17:06:39,438 INFO L413 NwaCegarLoop]: 586 mSDtfsCounter, 1019 mSDsluCounter, 771 mSDsCounter, 0 mSdLazyCounter, 990 mSolverCounterSat, 463 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1037 SdHoareTripleChecker+Valid, 1357 SdHoareTripleChecker+Invalid, 1453 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 463 IncrementalHoareTripleChecker+Valid, 990 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-19 17:06:39,438 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1037 Valid, 1357 Invalid, 1453 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [463 Valid, 990 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-19 17:06:39,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34418 states. [2022-07-19 17:06:40,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34418 to 34282. [2022-07-19 17:06:40,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34282 states, 28546 states have (on average 1.6301408253345477) internal successors, (46534), 28552 states have internal predecessors, (46534), 5713 states have call successors, (5713), 18 states have call predecessors, (5713), 22 states have return successors, (6326), 5711 states have call predecessors, (6326), 5712 states have call successors, (6326) [2022-07-19 17:06:40,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34282 states to 34282 states and 58573 transitions. [2022-07-19 17:06:40,998 INFO L78 Accepts]: Start accepts. Automaton has 34282 states and 58573 transitions. Word has length 129 [2022-07-19 17:06:40,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:06:40,998 INFO L495 AbstractCegarLoop]: Abstraction has 34282 states and 58573 transitions. [2022-07-19 17:06:40,998 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) [2022-07-19 17:06:40,998 INFO L276 IsEmpty]: Start isEmpty. Operand 34282 states and 58573 transitions. [2022-07-19 17:06:41,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-07-19 17:06:41,022 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:06:41,022 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] [2022-07-19 17:06:41,022 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-07-19 17:06:41,023 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:06:41,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:06:41,023 INFO L85 PathProgramCache]: Analyzing trace with hash 779560849, now seen corresponding path program 1 times [2022-07-19 17:06:41,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:06:41,023 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410011804] [2022-07-19 17:06:41,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:06:41,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:06:41,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:41,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 17:06:41,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:41,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 17:06:41,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:41,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-19 17:06:41,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:41,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-19 17:06:41,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:41,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-19 17:06:41,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:41,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-19 17:06:41,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:41,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-19 17:06:41,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:41,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-19 17:06:41,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:41,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-07-19 17:06:41,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:41,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-07-19 17:06:41,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:41,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-07-19 17:06:41,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:41,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-19 17:06:41,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:41,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-19 17:06:41,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:41,091 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-07-19 17:06:41,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:06:41,091 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1410011804] [2022-07-19 17:06:41,091 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1410011804] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:06:41,091 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:06:41,091 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-19 17:06:41,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878064072] [2022-07-19 17:06:41,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:06:41,092 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-19 17:06:41,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:06:41,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-19 17:06:41,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-19 17:06:41,093 INFO L87 Difference]: Start difference. First operand 34282 states and 58573 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) [2022-07-19 17:06:43,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:06:43,871 INFO L93 Difference]: Finished difference Result 93696 states and 162267 transitions. [2022-07-19 17:06:43,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-19 17:06:43,871 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 [2022-07-19 17:06:43,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:06:44,117 INFO L225 Difference]: With dead ends: 93696 [2022-07-19 17:06:44,117 INFO L226 Difference]: Without dead ends: 63085 [2022-07-19 17:06:44,207 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 [2022-07-19 17:06:44,207 INFO L413 NwaCegarLoop]: 586 mSDtfsCounter, 1016 mSDsluCounter, 775 mSDsCounter, 0 mSdLazyCounter, 970 mSolverCounterSat, 477 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1034 SdHoareTripleChecker+Valid, 1361 SdHoareTripleChecker+Invalid, 1447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 477 IncrementalHoareTripleChecker+Valid, 970 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-19 17:06:44,207 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1034 Valid, 1361 Invalid, 1447 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [477 Valid, 970 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-19 17:06:44,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63085 states. [2022-07-19 17:06:46,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63085 to 62949. [2022-07-19 17:06:46,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62949 states, 52700 states have (on average 1.6259013282732449) internal successors, (85685), 52706 states have internal predecessors, (85685), 10226 states have call successors, (10226), 18 states have call predecessors, (10226), 22 states have return successors, (11371), 10224 states have call predecessors, (11371), 10225 states have call successors, (11371) [2022-07-19 17:06:47,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62949 states to 62949 states and 107282 transitions. [2022-07-19 17:06:47,024 INFO L78 Accepts]: Start accepts. Automaton has 62949 states and 107282 transitions. Word has length 130 [2022-07-19 17:06:47,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:06:47,025 INFO L495 AbstractCegarLoop]: Abstraction has 62949 states and 107282 transitions. [2022-07-19 17:06:47,025 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) [2022-07-19 17:06:47,025 INFO L276 IsEmpty]: Start isEmpty. Operand 62949 states and 107282 transitions. [2022-07-19 17:06:47,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-07-19 17:06:47,049 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:06:47,049 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] [2022-07-19 17:06:47,050 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-07-19 17:06:47,050 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:06:47,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:06:47,050 INFO L85 PathProgramCache]: Analyzing trace with hash -1428508584, now seen corresponding path program 1 times [2022-07-19 17:06:47,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:06:47,050 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180525349] [2022-07-19 17:06:47,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:06:47,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:06:47,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:47,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 17:06:47,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:47,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 17:06:47,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:47,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-19 17:06:47,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:47,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-19 17:06:47,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:47,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-19 17:06:47,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:47,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-19 17:06:47,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:47,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-19 17:06:47,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:47,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-19 17:06:47,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:47,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-19 17:06:47,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:47,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-07-19 17:06:47,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:47,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-19 17:06:47,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:47,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-19 17:06:47,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:47,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-19 17:06:47,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:47,110 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-07-19 17:06:47,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:06:47,110 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180525349] [2022-07-19 17:06:47,111 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [180525349] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:06:47,111 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:06:47,111 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-19 17:06:47,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186132130] [2022-07-19 17:06:47,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:06:47,112 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-19 17:06:47,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:06:47,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-19 17:06:47,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-19 17:06:47,112 INFO L87 Difference]: Start difference. First operand 62949 states and 107282 transitions. Second operand has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 3 states have internal predecessors, (86), 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) [2022-07-19 17:06:51,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:06:51,299 INFO L93 Difference]: Finished difference Result 118072 states and 204901 transitions. [2022-07-19 17:06:51,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-19 17:06:51,300 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 3 states have internal predecessors, (86), 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 131 [2022-07-19 17:06:51,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:06:51,942 INFO L225 Difference]: With dead ends: 118072 [2022-07-19 17:06:51,942 INFO L226 Difference]: Without dead ends: 117958 [2022-07-19 17:06:52,001 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 [2022-07-19 17:06:52,002 INFO L413 NwaCegarLoop]: 585 mSDtfsCounter, 1016 mSDsluCounter, 771 mSDsCounter, 0 mSdLazyCounter, 978 mSolverCounterSat, 478 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1035 SdHoareTripleChecker+Valid, 1356 SdHoareTripleChecker+Invalid, 1456 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 478 IncrementalHoareTripleChecker+Valid, 978 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-19 17:06:52,002 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1035 Valid, 1356 Invalid, 1456 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [478 Valid, 978 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-19 17:06:52,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117958 states. [2022-07-19 17:06:56,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117958 to 117822. [2022-07-19 17:06:56,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117822 states, 99205 states have (on average 1.6206441207600424) internal successors, (160776), 99211 states have internal predecessors, (160776), 18594 states have call successors, (18594), 18 states have call predecessors, (18594), 22 states have return successors, (20785), 18592 states have call predecessors, (20785), 18593 states have call successors, (20785) [2022-07-19 17:06:57,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117822 states to 117822 states and 200155 transitions. [2022-07-19 17:06:57,185 INFO L78 Accepts]: Start accepts. Automaton has 117822 states and 200155 transitions. Word has length 131 [2022-07-19 17:06:57,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:06:57,185 INFO L495 AbstractCegarLoop]: Abstraction has 117822 states and 200155 transitions. [2022-07-19 17:06:57,185 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 3 states have internal predecessors, (86), 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) [2022-07-19 17:06:57,185 INFO L276 IsEmpty]: Start isEmpty. Operand 117822 states and 200155 transitions. [2022-07-19 17:06:57,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-07-19 17:06:57,220 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:06:57,221 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] [2022-07-19 17:06:57,221 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-07-19 17:06:57,221 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:06:57,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:06:57,221 INFO L85 PathProgramCache]: Analyzing trace with hash -1242607790, now seen corresponding path program 1 times [2022-07-19 17:06:57,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:06:57,222 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084948281] [2022-07-19 17:06:57,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:06:57,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:06:57,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:57,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 17:06:57,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:57,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 17:06:57,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:57,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-19 17:06:57,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:57,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-19 17:06:57,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:57,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-19 17:06:57,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:57,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-19 17:06:57,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:57,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-19 17:06:57,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:57,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-19 17:06:57,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:57,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-19 17:06:57,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:57,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-19 17:06:57,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:57,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-19 17:06:57,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:57,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-19 17:06:57,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:57,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-19 17:06:57,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:57,417 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-07-19 17:06:57,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:06:57,417 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084948281] [2022-07-19 17:06:57,418 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1084948281] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 17:06:57,418 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [398409031] [2022-07-19 17:06:57,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:06:57,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 17:06:57,418 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 17:06:57,438 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-19 17:06:57,439 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-07-19 17:06:57,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:06:57,688 INFO L263 TraceCheckSpWp]: Trace formula consists of 1096 conjuncts, 21 conjunts are in the unsatisfiable core [2022-07-19 17:06:57,891 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 17:06:58,199 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-07-19 17:06:58,200 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 17:06:58,200 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [398409031] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:06:58,200 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-19 17:06:58,200 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [19] total 29 [2022-07-19 17:06:58,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032266442] [2022-07-19 17:06:58,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:06:58,200 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-19 17:06:58,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:06:58,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-19 17:06:58,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=744, Unknown=0, NotChecked=0, Total=812 [2022-07-19 17:06:58,201 INFO L87 Difference]: Start difference. First operand 117822 states and 200155 transitions. Second operand has 12 states, 11 states have (on average 8.818181818181818) internal successors, (97), 10 states have internal predecessors, (97), 5 states have call successors, (16), 5 states have call predecessors, (16), 6 states have return successors, (13), 6 states have call predecessors, (13), 5 states have call successors, (13) [2022-07-19 17:07:02,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:07:02,204 INFO L93 Difference]: Finished difference Result 118172 states and 200655 transitions. [2022-07-19 17:07:02,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-07-19 17:07:02,205 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 8.818181818181818) internal successors, (97), 10 states have internal predecessors, (97), 5 states have call successors, (16), 5 states have call predecessors, (16), 6 states have return successors, (13), 6 states have call predecessors, (13), 5 states have call successors, (13) Word has length 132 [2022-07-19 17:07:02,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:07:02,643 INFO L225 Difference]: With dead ends: 118172 [2022-07-19 17:07:02,643 INFO L226 Difference]: Without dead ends: 118064 [2022-07-19 17:07:02,687 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 199 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=197, Invalid=1609, Unknown=0, NotChecked=0, Total=1806 [2022-07-19 17:07:02,688 INFO L413 NwaCegarLoop]: 520 mSDtfsCounter, 810 mSDsluCounter, 4211 mSDsCounter, 0 mSdLazyCounter, 475 mSolverCounterSat, 153 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 818 SdHoareTripleChecker+Valid, 4731 SdHoareTripleChecker+Invalid, 628 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 153 IncrementalHoareTripleChecker+Valid, 475 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-19 17:07:02,688 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [818 Valid, 4731 Invalid, 628 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [153 Valid, 475 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-19 17:07:02,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118064 states. [2022-07-19 17:07:07,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118064 to 117974. [2022-07-19 17:07:07,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117974 states, 99323 states have (on average 1.6203799724132377) internal successors, (160941), 99331 states have internal predecessors, (160941), 18615 states have call successors, (18615), 28 states have call predecessors, (18615), 35 states have return successors, (20820), 18614 states have call predecessors, (20820), 18613 states have call successors, (20820) [2022-07-19 17:07:08,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117974 states to 117974 states and 200376 transitions. [2022-07-19 17:07:08,495 INFO L78 Accepts]: Start accepts. Automaton has 117974 states and 200376 transitions. Word has length 132 [2022-07-19 17:07:08,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:07:08,495 INFO L495 AbstractCegarLoop]: Abstraction has 117974 states and 200376 transitions. [2022-07-19 17:07:08,496 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.818181818181818) internal successors, (97), 10 states have internal predecessors, (97), 5 states have call successors, (16), 5 states have call predecessors, (16), 6 states have return successors, (13), 6 states have call predecessors, (13), 5 states have call successors, (13) [2022-07-19 17:07:08,496 INFO L276 IsEmpty]: Start isEmpty. Operand 117974 states and 200376 transitions. [2022-07-19 17:07:08,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-07-19 17:07:08,525 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:07:08,525 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, 1] [2022-07-19 17:07:08,548 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-07-19 17:07:08,739 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 17:07:08,740 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:07:08,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:07:08,741 INFO L85 PathProgramCache]: Analyzing trace with hash 1876719211, now seen corresponding path program 1 times [2022-07-19 17:07:08,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:07:08,741 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172312906] [2022-07-19 17:07:08,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:07:08,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:07:08,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:07:08,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 17:07:08,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:07:08,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 17:07:08,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:07:08,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-19 17:07:08,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:07:08,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-19 17:07:08,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:07:08,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-19 17:07:08,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:07:08,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-19 17:07:08,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:07:08,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-19 17:07:08,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:07:08,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-19 17:07:08,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:07:08,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-19 17:07:08,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:07:08,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-19 17:07:08,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:07:08,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-19 17:07:08,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:07:08,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-19 17:07:08,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:07:08,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-19 17:07:08,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:07:08,817 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-07-19 17:07:08,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:07:08,817 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172312906] [2022-07-19 17:07:08,817 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [172312906] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:07:08,817 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:07:08,818 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-19 17:07:08,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912422663] [2022-07-19 17:07:08,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:07:08,818 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-19 17:07:08,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:07:08,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-19 17:07:08,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-19 17:07:08,819 INFO L87 Difference]: Start difference. First operand 117974 states and 200376 transitions. Second operand has 9 states, 9 states have (on average 9.777777777777779) internal successors, (88), 5 states have internal predecessors, (88), 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)