./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/email_spec4_product25.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 35987657 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/email_spec4_product25.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4aad45d78970842948dd8f2d4a23b330a7c7a053ef8846b1af27e637f96c3ae7 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 04:50:45,120 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 04:50:45,121 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 04:50:45,152 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 04:50:45,153 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 04:50:45,154 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 04:50:45,156 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 04:50:45,159 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 04:50:45,160 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 04:50:45,163 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 04:50:45,164 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 04:50:45,168 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 04:50:45,168 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 04:50:45,169 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 04:50:45,170 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 04:50:45,173 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 04:50:45,173 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 04:50:45,174 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 04:50:45,176 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 04:50:45,180 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 04:50:45,180 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 04:50:45,181 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 04:50:45,182 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 04:50:45,183 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 04:50:45,184 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 04:50:45,189 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 04:50:45,189 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 04:50:45,190 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 04:50:45,190 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 04:50:45,191 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 04:50:45,191 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 04:50:45,192 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 04:50:45,193 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 04:50:45,193 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 04:50:45,194 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 04:50:45,195 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 04:50:45,195 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 04:50:45,195 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 04:50:45,196 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 04:50:45,196 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 04:50:45,196 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 04:50:45,197 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 04:50:45,203 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-21 04:50:45,225 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 04:50:45,226 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 04:50:45,226 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 04:50:45,226 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 04:50:45,227 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 04:50:45,227 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 04:50:45,228 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 04:50:45,228 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 04:50:45,228 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 04:50:45,229 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 04:50:45,229 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-21 04:50:45,229 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 04:50:45,230 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-21 04:50:45,230 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 04:50:45,230 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 04:50:45,230 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 04:50:45,230 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 04:50:45,231 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-21 04:50:45,231 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 04:50:45,231 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 04:50:45,231 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 04:50:45,231 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 04:50:45,231 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 04:50:45,232 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 04:50:45,232 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 04:50:45,232 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 04:50:45,232 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 04:50:45,232 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 04:50:45,232 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 04:50:45,233 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 04:50:45,233 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 04:50:45,233 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 04:50:45,233 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 04:50:45,233 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4aad45d78970842948dd8f2d4a23b330a7c7a053ef8846b1af27e637f96c3ae7 [2022-07-21 04:50:45,493 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 04:50:45,505 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 04:50:45,507 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 04:50:45,508 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 04:50:45,510 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 04:50:45,511 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec4_product25.cil.c [2022-07-21 04:50:45,556 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8bfffc038/6b19c62c42af4fce8cd5bad26c31d9aa/FLAG623dd1170 [2022-07-21 04:50:46,054 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 04:50:46,054 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec4_product25.cil.c [2022-07-21 04:50:46,067 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8bfffc038/6b19c62c42af4fce8cd5bad26c31d9aa/FLAG623dd1170 [2022-07-21 04:50:46,080 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8bfffc038/6b19c62c42af4fce8cd5bad26c31d9aa [2022-07-21 04:50:46,081 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 04:50:46,083 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 04:50:46,084 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 04:50:46,085 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 04:50:46,087 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 04:50:46,087 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 04:50:46" (1/1) ... [2022-07-21 04:50:46,088 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d4d08fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:50:46, skipping insertion in model container [2022-07-21 04:50:46,088 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 04:50:46" (1/1) ... [2022-07-21 04:50:46,093 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 04:50:46,148 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 04:50:46,651 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec4_product25.cil.c[63576,63589] [2022-07-21 04:50:46,655 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 04:50:46,663 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 04:50:46,770 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec4_product25.cil.c[63576,63589] [2022-07-21 04:50:46,776 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 04:50:46,807 INFO L208 MainTranslator]: Completed translation [2022-07-21 04:50:46,808 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:50:46 WrapperNode [2022-07-21 04:50:46,809 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 04:50:46,810 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 04:50:46,810 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 04:50:46,810 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 04:50:46,815 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:50:46" (1/1) ... [2022-07-21 04:50:46,867 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:50:46" (1/1) ... [2022-07-21 04:50:46,937 INFO L137 Inliner]: procedures = 130, calls = 218, calls flagged for inlining = 60, calls inlined = 57, statements flattened = 1060 [2022-07-21 04:50:46,937 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 04:50:46,938 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 04:50:46,938 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 04:50:46,938 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 04:50:46,944 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:50:46" (1/1) ... [2022-07-21 04:50:46,953 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:50:46" (1/1) ... [2022-07-21 04:50:46,957 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:50:46" (1/1) ... [2022-07-21 04:50:46,957 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:50:46" (1/1) ... [2022-07-21 04:50:46,970 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:50:46" (1/1) ... [2022-07-21 04:50:46,993 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:50:46" (1/1) ... [2022-07-21 04:50:46,997 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:50:46" (1/1) ... [2022-07-21 04:50:47,026 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 04:50:47,026 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 04:50:47,026 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 04:50:47,027 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 04:50:47,027 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:50:46" (1/1) ... [2022-07-21 04:50:47,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 04:50:47,038 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 04:50:47,071 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) [2022-07-21 04:50:47,123 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 [2022-07-21 04:50:47,152 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2022-07-21 04:50:47,152 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2022-07-21 04:50:47,152 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2022-07-21 04:50:47,152 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2022-07-21 04:50:47,152 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2022-07-21 04:50:47,153 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2022-07-21 04:50:47,153 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2022-07-21 04:50:47,153 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2022-07-21 04:50:47,153 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2022-07-21 04:50:47,153 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2022-07-21 04:50:47,153 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2022-07-21 04:50:47,153 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2022-07-21 04:50:47,153 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2022-07-21 04:50:47,154 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2022-07-21 04:50:47,154 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2022-07-21 04:50:47,154 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2022-07-21 04:50:47,154 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2022-07-21 04:50:47,154 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2022-07-21 04:50:47,154 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2022-07-21 04:50:47,154 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2022-07-21 04:50:47,154 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2022-07-21 04:50:47,155 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2022-07-21 04:50:47,155 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2022-07-21 04:50:47,155 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2022-07-21 04:50:47,155 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2022-07-21 04:50:47,155 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 04:50:47,155 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2022-07-21 04:50:47,155 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2022-07-21 04:50:47,156 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2022-07-21 04:50:47,156 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2022-07-21 04:50:47,156 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2022-07-21 04:50:47,156 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2022-07-21 04:50:47,156 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2022-07-21 04:50:47,157 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2022-07-21 04:50:47,157 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2022-07-21 04:50:47,157 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2022-07-21 04:50:47,157 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2022-07-21 04:50:47,157 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2022-07-21 04:50:47,157 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2022-07-21 04:50:47,157 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2022-07-21 04:50:47,158 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2022-07-21 04:50:47,158 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2022-07-21 04:50:47,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-21 04:50:47,158 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2022-07-21 04:50:47,158 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2022-07-21 04:50:47,158 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2022-07-21 04:50:47,158 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2022-07-21 04:50:47,159 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 04:50:47,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 04:50:47,355 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 04:50:47,356 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 04:50:47,842 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 04:50:47,849 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 04:50:47,849 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-21 04:50:47,851 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 04:50:47 BoogieIcfgContainer [2022-07-21 04:50:47,851 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 04:50:47,852 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 04:50:47,853 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 04:50:47,854 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 04:50:47,855 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 04:50:46" (1/3) ... [2022-07-21 04:50:47,855 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59285202 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 04:50:47, skipping insertion in model container [2022-07-21 04:50:47,855 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:50:46" (2/3) ... [2022-07-21 04:50:47,855 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59285202 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 04:50:47, skipping insertion in model container [2022-07-21 04:50:47,856 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 04:50:47" (3/3) ... [2022-07-21 04:50:47,856 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec4_product25.cil.c [2022-07-21 04:50:47,866 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 04:50:47,866 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 04:50:47,924 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 04:50:47,930 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@2671f937, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@43d75b2c [2022-07-21 04:50:47,930 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 04:50:47,939 INFO L276 IsEmpty]: Start isEmpty. Operand has 386 states, 306 states have (on average 1.565359477124183) internal successors, (479), 309 states have internal predecessors, (479), 56 states have call successors, (56), 22 states have call predecessors, (56), 22 states have return successors, (56), 55 states have call predecessors, (56), 56 states have call successors, (56) [2022-07-21 04:50:47,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-07-21 04:50:47,955 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 04:50:47,956 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 04:50:47,956 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 04:50:47,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 04:50:47,960 INFO L85 PathProgramCache]: Analyzing trace with hash 1457964568, now seen corresponding path program 1 times [2022-07-21 04:50:47,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 04:50:47,967 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855692604] [2022-07-21 04:50:47,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 04:50:47,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 04:50:48,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:48,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 04:50:48,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:48,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 04:50:48,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:48,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 04:50:48,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:48,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-21 04:50:48,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:48,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-21 04:50:48,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:48,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 04:50:48,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:48,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 04:50:48,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:48,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-21 04:50:48,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:48,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-21 04:50:48,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:48,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 04:50:48,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:48,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 04:50:48,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:48,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-07-21 04:50:48,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:48,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-21 04:50:48,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:48,438 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-07-21 04:50:48,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 04:50:48,439 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855692604] [2022-07-21 04:50:48,439 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1855692604] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 04:50:48,439 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1624780374] [2022-07-21 04:50:48,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 04:50:48,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 04:50:48,440 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 04:50:48,442 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) [2022-07-21 04:50:48,443 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-21 04:50:48,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:48,693 INFO L263 TraceCheckSpWp]: Trace formula consists of 1038 conjuncts, 1 conjunts are in the unsatisfiable core [2022-07-21 04:50:48,708 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 04:50:48,723 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-07-21 04:50:48,723 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 04:50:48,724 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1624780374] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 04:50:48,724 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-21 04:50:48,724 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 9 [2022-07-21 04:50:48,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034269623] [2022-07-21 04:50:48,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 04:50:48,730 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-21 04:50:48,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 04:50:48,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-21 04:50:48,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-21 04:50:48,752 INFO L87 Difference]: Start difference. First operand has 386 states, 306 states have (on average 1.565359477124183) internal successors, (479), 309 states have internal predecessors, (479), 56 states have call successors, (56), 22 states have call predecessors, (56), 22 states have return successors, (56), 55 states have call predecessors, (56), 56 states have call successors, (56) Second operand has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-21 04:50:48,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 04:50:48,811 INFO L93 Difference]: Finished difference Result 579 states and 872 transitions. [2022-07-21 04:50:48,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-21 04:50:48,813 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 101 [2022-07-21 04:50:48,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 04:50:48,823 INFO L225 Difference]: With dead ends: 579 [2022-07-21 04:50:48,823 INFO L226 Difference]: Without dead ends: 379 [2022-07-21 04:50:48,827 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-21 04:50:48,830 INFO L413 NwaCegarLoop]: 587 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 587 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 04:50:48,830 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 587 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 04:50:48,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2022-07-21 04:50:48,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 379. [2022-07-21 04:50:48,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 379 states, 300 states have (on average 1.56) internal successors, (468), 302 states have internal predecessors, (468), 56 states have call successors, (56), 22 states have call predecessors, (56), 22 states have return successors, (55), 54 states have call predecessors, (55), 55 states have call successors, (55) [2022-07-21 04:50:48,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 579 transitions. [2022-07-21 04:50:48,880 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 579 transitions. Word has length 101 [2022-07-21 04:50:48,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 04:50:48,882 INFO L495 AbstractCegarLoop]: Abstraction has 379 states and 579 transitions. [2022-07-21 04:50:48,882 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-21 04:50:48,882 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 579 transitions. [2022-07-21 04:50:48,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-07-21 04:50:48,887 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 04:50:48,887 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] [2022-07-21 04:50:48,909 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-07-21 04:50:49,109 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 [2022-07-21 04:50:49,109 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 04:50:49,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 04:50:49,110 INFO L85 PathProgramCache]: Analyzing trace with hash 1896002271, now seen corresponding path program 1 times [2022-07-21 04:50:49,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 04:50:49,110 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270724417] [2022-07-21 04:50:49,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 04:50:49,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 04:50:49,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:49,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 04:50:49,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:49,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 04:50:49,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:49,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 04:50:49,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:49,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-21 04:50:49,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:49,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-21 04:50:49,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:49,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 04:50:49,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:49,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-21 04:50:49,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:49,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-07-21 04:50:49,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:49,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-21 04:50:49,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:49,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-21 04:50:49,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:49,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-21 04:50:49,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:49,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-07-21 04:50:49,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:49,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-21 04:50:49,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:49,305 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-07-21 04:50:49,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 04:50:49,306 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270724417] [2022-07-21 04:50:49,309 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1270724417] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 04:50:49,309 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1882164622] [2022-07-21 04:50:49,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 04:50:49,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 04:50:49,309 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 04:50:49,311 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) [2022-07-21 04:50:49,313 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-21 04:50:49,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:49,529 INFO L263 TraceCheckSpWp]: Trace formula consists of 1039 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 04:50:49,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 04:50:49,549 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-07-21 04:50:49,549 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 04:50:49,549 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1882164622] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 04:50:49,549 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-21 04:50:49,550 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2022-07-21 04:50:49,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329616439] [2022-07-21 04:50:49,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 04:50:49,551 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 04:50:49,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 04:50:49,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 04:50:49,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-07-21 04:50:49,552 INFO L87 Difference]: Start difference. First operand 379 states and 579 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-21 04:50:49,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 04:50:49,582 INFO L93 Difference]: Finished difference Result 569 states and 850 transitions. [2022-07-21 04:50:49,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 04:50:49,582 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 102 [2022-07-21 04:50:49,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 04:50:49,585 INFO L225 Difference]: With dead ends: 569 [2022-07-21 04:50:49,585 INFO L226 Difference]: Without dead ends: 382 [2022-07-21 04:50:49,586 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-07-21 04:50:49,587 INFO L413 NwaCegarLoop]: 577 mSDtfsCounter, 1 mSDsluCounter, 575 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1152 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 04:50:49,587 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1152 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 04:50:49,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2022-07-21 04:50:49,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 381. [2022-07-21 04:50:49,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 381 states, 302 states have (on average 1.5562913907284768) internal successors, (470), 304 states have internal predecessors, (470), 56 states have call successors, (56), 22 states have call predecessors, (56), 22 states have return successors, (55), 54 states have call predecessors, (55), 55 states have call successors, (55) [2022-07-21 04:50:49,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 581 transitions. [2022-07-21 04:50:49,617 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 581 transitions. Word has length 102 [2022-07-21 04:50:49,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 04:50:49,617 INFO L495 AbstractCegarLoop]: Abstraction has 381 states and 581 transitions. [2022-07-21 04:50:49,617 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-21 04:50:49,618 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 581 transitions. [2022-07-21 04:50:49,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-07-21 04:50:49,623 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 04:50:49,623 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 04:50:49,658 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-21 04:50:49,841 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 [2022-07-21 04:50:49,841 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 04:50:49,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 04:50:49,842 INFO L85 PathProgramCache]: Analyzing trace with hash 2026309608, now seen corresponding path program 1 times [2022-07-21 04:50:49,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 04:50:49,842 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868501331] [2022-07-21 04:50:49,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 04:50:49,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 04:50:49,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:49,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 04:50:49,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:49,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 04:50:49,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:49,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 04:50:49,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:49,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-21 04:50:49,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:49,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-21 04:50:49,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:49,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 04:50:49,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:49,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-21 04:50:49,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:49,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-21 04:50:49,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:49,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-07-21 04:50:49,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:49,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-21 04:50:49,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:49,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-07-21 04:50:49,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:49,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-21 04:50:49,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:49,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-07-21 04:50:49,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:49,941 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-07-21 04:50:49,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 04:50:49,941 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [868501331] [2022-07-21 04:50:49,941 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [868501331] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 04:50:49,941 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1439184587] [2022-07-21 04:50:49,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 04:50:49,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 04:50:49,942 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 04:50:49,950 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) [2022-07-21 04:50:49,963 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-21 04:50:50,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:50,180 INFO L263 TraceCheckSpWp]: Trace formula consists of 1053 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-21 04:50:50,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 04:50:50,196 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-07-21 04:50:50,196 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 04:50:50,196 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1439184587] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 04:50:50,196 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-21 04:50:50,197 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2022-07-21 04:50:50,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236462716] [2022-07-21 04:50:50,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 04:50:50,197 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 04:50:50,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 04:50:50,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 04:50:50,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-07-21 04:50:50,198 INFO L87 Difference]: Start difference. First operand 381 states and 581 transitions. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-21 04:50:50,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 04:50:50,220 INFO L93 Difference]: Finished difference Result 810 states and 1254 transitions. [2022-07-21 04:50:50,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 04:50:50,221 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 108 [2022-07-21 04:50:50,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 04:50:50,224 INFO L225 Difference]: With dead ends: 810 [2022-07-21 04:50:50,224 INFO L226 Difference]: Without dead ends: 456 [2022-07-21 04:50:50,226 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-07-21 04:50:50,227 INFO L413 NwaCegarLoop]: 600 mSDtfsCounter, 134 mSDsluCounter, 532 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 1132 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 04:50:50,227 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 1132 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 04:50:50,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 456 states. [2022-07-21 04:50:50,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 456 to 448. [2022-07-21 04:50:50,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 448 states, 355 states have (on average 1.5746478873239436) internal successors, (559), 357 states have internal predecessors, (559), 70 states have call successors, (70), 22 states have call predecessors, (70), 22 states have return successors, (69), 68 states have call predecessors, (69), 69 states have call successors, (69) [2022-07-21 04:50:50,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 698 transitions. [2022-07-21 04:50:50,246 INFO L78 Accepts]: Start accepts. Automaton has 448 states and 698 transitions. Word has length 108 [2022-07-21 04:50:50,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 04:50:50,247 INFO L495 AbstractCegarLoop]: Abstraction has 448 states and 698 transitions. [2022-07-21 04:50:50,247 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-21 04:50:50,247 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 698 transitions. [2022-07-21 04:50:50,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-07-21 04:50:50,253 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 04:50:50,253 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] [2022-07-21 04:50:50,271 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-07-21 04:50:50,467 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 [2022-07-21 04:50:50,468 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 04:50:50,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 04:50:50,468 INFO L85 PathProgramCache]: Analyzing trace with hash 271379103, now seen corresponding path program 1 times [2022-07-21 04:50:50,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 04:50:50,468 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833249173] [2022-07-21 04:50:50,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 04:50:50,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 04:50:50,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:50,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 04:50:50,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:50,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 04:50:50,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:50,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 04:50:50,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:50,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-21 04:50:50,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:50,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-21 04:50:50,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:50,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 04:50:50,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:50,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-21 04:50:50,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:50,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-21 04:50:50,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:50,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 04:50:50,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:50,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-21 04:50:50,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:50,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-21 04:50:50,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:50,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-21 04:50:50,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:50,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-07-21 04:50:50,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:50,593 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-07-21 04:50:50,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 04:50:50,593 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833249173] [2022-07-21 04:50:50,593 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833249173] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 04:50:50,593 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1993075605] [2022-07-21 04:50:50,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 04:50:50,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 04:50:50,594 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 04:50:50,595 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) [2022-07-21 04:50:50,608 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-07-21 04:50:50,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:50,820 INFO L263 TraceCheckSpWp]: Trace formula consists of 1060 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-21 04:50:50,828 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 04:50:50,876 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-21 04:50:50,877 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 04:50:50,877 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1993075605] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 04:50:50,877 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-21 04:50:50,877 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2022-07-21 04:50:50,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177165716] [2022-07-21 04:50:50,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 04:50:50,878 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 04:50:50,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 04:50:50,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 04:50:50,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-07-21 04:50:50,879 INFO L87 Difference]: Start difference. First operand 448 states and 698 transitions. Second operand has 5 states, 4 states have (on average 17.5) internal successors, (70), 5 states have internal predecessors, (70), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) [2022-07-21 04:50:50,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 04:50:50,929 INFO L93 Difference]: Finished difference Result 887 states and 1386 transitions. [2022-07-21 04:50:50,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 04:50:50,930 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.5) internal successors, (70), 5 states have internal predecessors, (70), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) Word has length 109 [2022-07-21 04:50:50,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 04:50:50,932 INFO L225 Difference]: With dead ends: 887 [2022-07-21 04:50:50,932 INFO L226 Difference]: Without dead ends: 450 [2022-07-21 04:50:50,933 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2022-07-21 04:50:50,934 INFO L413 NwaCegarLoop]: 570 mSDtfsCounter, 152 mSDsluCounter, 1535 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 2105 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 04:50:50,934 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 2105 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 04:50:50,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 450 states. [2022-07-21 04:50:50,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 450 to 450. [2022-07-21 04:50:50,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 450 states, 356 states have (on average 1.5730337078651686) internal successors, (560), 359 states have internal predecessors, (560), 70 states have call successors, (70), 22 states have call predecessors, (70), 23 states have return successors, (71), 68 states have call predecessors, (71), 69 states have call successors, (71) [2022-07-21 04:50:50,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 701 transitions. [2022-07-21 04:50:50,950 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 701 transitions. Word has length 109 [2022-07-21 04:50:50,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 04:50:50,950 INFO L495 AbstractCegarLoop]: Abstraction has 450 states and 701 transitions. [2022-07-21 04:50:50,950 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.5) internal successors, (70), 5 states have internal predecessors, (70), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) [2022-07-21 04:50:50,950 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 701 transitions. [2022-07-21 04:50:50,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-07-21 04:50:50,952 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 04:50:50,952 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 04:50:50,974 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-07-21 04:50:51,171 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 [2022-07-21 04:50:51,172 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 04:50:51,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 04:50:51,172 INFO L85 PathProgramCache]: Analyzing trace with hash -467642792, now seen corresponding path program 1 times [2022-07-21 04:50:51,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 04:50:51,172 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476172812] [2022-07-21 04:50:51,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 04:50:51,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 04:50:51,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:51,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 04:50:51,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:51,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 04:50:51,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:51,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 04:50:51,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:51,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 04:50:51,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:51,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-21 04:50:51,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:51,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-21 04:50:51,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:51,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-21 04:50:51,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:51,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-21 04:50:51,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:51,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-21 04:50:51,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:51,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-21 04:50:51,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:51,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-07-21 04:50:51,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:51,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-21 04:50:51,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:51,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 04:50:51,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:51,281 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-07-21 04:50:51,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 04:50:51,281 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476172812] [2022-07-21 04:50:51,281 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [476172812] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 04:50:51,281 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1069108761] [2022-07-21 04:50:51,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 04:50:51,282 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 04:50:51,282 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 04:50:51,283 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) [2022-07-21 04:50:51,335 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-07-21 04:50:51,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:51,524 INFO L263 TraceCheckSpWp]: Trace formula consists of 1061 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-21 04:50:51,527 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 04:50:51,581 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-21 04:50:51,581 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 04:50:51,581 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1069108761] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 04:50:51,581 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-21 04:50:51,581 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2022-07-21 04:50:51,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134662580] [2022-07-21 04:50:51,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 04:50:51,582 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 04:50:51,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 04:50:51,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 04:50:51,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2022-07-21 04:50:51,583 INFO L87 Difference]: Start difference. First operand 450 states and 701 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-07-21 04:50:51,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 04:50:51,632 INFO L93 Difference]: Finished difference Result 889 states and 1391 transitions. [2022-07-21 04:50:51,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 04:50:51,632 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 110 [2022-07-21 04:50:51,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 04:50:51,635 INFO L225 Difference]: With dead ends: 889 [2022-07-21 04:50:51,635 INFO L226 Difference]: Without dead ends: 452 [2022-07-21 04:50:51,636 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2022-07-21 04:50:51,636 INFO L413 NwaCegarLoop]: 568 mSDtfsCounter, 151 mSDsluCounter, 1526 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 2094 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 04:50:51,637 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [174 Valid, 2094 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 04:50:51,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 452 states. [2022-07-21 04:50:51,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 452 to 452. [2022-07-21 04:50:51,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 452 states, 357 states have (on average 1.5714285714285714) internal successors, (561), 361 states have internal predecessors, (561), 70 states have call successors, (70), 22 states have call predecessors, (70), 24 states have return successors, (76), 68 states have call predecessors, (76), 69 states have call successors, (76) [2022-07-21 04:50:51,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 452 states and 707 transitions. [2022-07-21 04:50:51,650 INFO L78 Accepts]: Start accepts. Automaton has 452 states and 707 transitions. Word has length 110 [2022-07-21 04:50:51,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 04:50:51,651 INFO L495 AbstractCegarLoop]: Abstraction has 452 states and 707 transitions. [2022-07-21 04:50:51,651 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-07-21 04:50:51,651 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 707 transitions. [2022-07-21 04:50:51,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-07-21 04:50:51,653 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 04:50:51,653 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 04:50:51,673 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-07-21 04:50:51,870 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 [2022-07-21 04:50:51,870 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 04:50:51,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 04:50:51,871 INFO L85 PathProgramCache]: Analyzing trace with hash 423544596, now seen corresponding path program 1 times [2022-07-21 04:50:51,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 04:50:51,871 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010805520] [2022-07-21 04:50:51,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 04:50:51,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 04:50:51,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:51,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 04:50:51,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:51,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 04:50:51,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:51,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 04:50:51,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:51,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 04:50:51,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:51,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-21 04:50:51,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:51,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-21 04:50:51,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:51,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-07-21 04:50:51,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:52,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-21 04:50:52,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:52,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-21 04:50:52,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:52,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-21 04:50:52,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:52,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-21 04:50:52,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:52,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-21 04:50:52,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:52,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-21 04:50:52,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:52,014 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-07-21 04:50:52,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 04:50:52,014 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1010805520] [2022-07-21 04:50:52,014 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1010805520] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 04:50:52,014 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 04:50:52,014 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-21 04:50:52,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201134884] [2022-07-21 04:50:52,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 04:50:52,015 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-21 04:50:52,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 04:50:52,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-21 04:50:52,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-21 04:50:52,015 INFO L87 Difference]: Start difference. First operand 452 states and 707 transitions. Second operand has 9 states, 8 states have (on average 8.5) internal successors, (68), 5 states have internal predecessors, (68), 3 states have call successors, (16), 6 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) [2022-07-21 04:50:53,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 04:50:53,697 INFO L93 Difference]: Finished difference Result 1059 states and 1677 transitions. [2022-07-21 04:50:53,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-21 04:50:53,698 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 8.5) internal successors, (68), 5 states have internal predecessors, (68), 3 states have call successors, (16), 6 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) Word has length 111 [2022-07-21 04:50:53,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 04:50:53,701 INFO L225 Difference]: With dead ends: 1059 [2022-07-21 04:50:53,701 INFO L226 Difference]: Without dead ends: 630 [2022-07-21 04:50:53,702 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 [2022-07-21 04:50:53,703 INFO L413 NwaCegarLoop]: 711 mSDtfsCounter, 1420 mSDsluCounter, 985 mSDsCounter, 0 mSdLazyCounter, 2434 mSolverCounterSat, 523 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1440 SdHoareTripleChecker+Valid, 1696 SdHoareTripleChecker+Invalid, 2957 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 523 IncrementalHoareTripleChecker+Valid, 2434 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-21 04:50:53,703 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1440 Valid, 1696 Invalid, 2957 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [523 Valid, 2434 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-21 04:50:53,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 630 states. [2022-07-21 04:50:53,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 630 to 452. [2022-07-21 04:50:53,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 452 states, 357 states have (on average 1.5714285714285714) internal successors, (561), 361 states have internal predecessors, (561), 70 states have call successors, (70), 22 states have call predecessors, (70), 24 states have return successors, (75), 68 states have call predecessors, (75), 69 states have call successors, (75) [2022-07-21 04:50:53,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 452 states and 706 transitions. [2022-07-21 04:50:53,729 INFO L78 Accepts]: Start accepts. Automaton has 452 states and 706 transitions. Word has length 111 [2022-07-21 04:50:53,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 04:50:53,729 INFO L495 AbstractCegarLoop]: Abstraction has 452 states and 706 transitions. [2022-07-21 04:50:53,729 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 8.5) internal successors, (68), 5 states have internal predecessors, (68), 3 states have call successors, (16), 6 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) [2022-07-21 04:50:53,729 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 706 transitions. [2022-07-21 04:50:53,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-07-21 04:50:53,731 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 04:50:53,731 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 04:50:53,731 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-21 04:50:53,731 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 04:50:53,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 04:50:53,732 INFO L85 PathProgramCache]: Analyzing trace with hash -834371797, now seen corresponding path program 2 times [2022-07-21 04:50:53,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 04:50:53,732 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407877989] [2022-07-21 04:50:53,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 04:50:53,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 04:50:53,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:53,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 04:50:53,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:53,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 04:50:53,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:53,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 04:50:53,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:53,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 04:50:53,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:53,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-21 04:50:53,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:53,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-21 04:50:53,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:53,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 04:50:53,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:53,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-21 04:50:53,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:53,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-21 04:50:53,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:53,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 04:50:53,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:53,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 04:50:53,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:53,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-21 04:50:53,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:53,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-21 04:50:53,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:53,815 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-07-21 04:50:53,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 04:50:53,816 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [407877989] [2022-07-21 04:50:53,816 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [407877989] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 04:50:53,816 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 04:50:53,816 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-21 04:50:53,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360250429] [2022-07-21 04:50:53,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 04:50:53,817 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-21 04:50:53,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 04:50:53,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-21 04:50:53,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-21 04:50:53,817 INFO L87 Difference]: Start difference. First operand 452 states and 706 transitions. Second operand has 9 states, 8 states have (on average 8.625) internal successors, (69), 5 states have internal predecessors, (69), 3 states have call successors, (16), 6 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) [2022-07-21 04:50:55,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 04:50:55,198 INFO L93 Difference]: Finished difference Result 1061 states and 1680 transitions. [2022-07-21 04:50:55,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-21 04:50:55,199 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 [2022-07-21 04:50:55,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 04:50:55,203 INFO L225 Difference]: With dead ends: 1061 [2022-07-21 04:50:55,203 INFO L226 Difference]: Without dead ends: 632 [2022-07-21 04:50:55,204 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 [2022-07-21 04:50:55,205 INFO L413 NwaCegarLoop]: 714 mSDtfsCounter, 1413 mSDsluCounter, 985 mSDsCounter, 0 mSdLazyCounter, 2443 mSolverCounterSat, 524 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1434 SdHoareTripleChecker+Valid, 1699 SdHoareTripleChecker+Invalid, 2967 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 524 IncrementalHoareTripleChecker+Valid, 2443 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-21 04:50:55,205 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1434 Valid, 1699 Invalid, 2967 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [524 Valid, 2443 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-21 04:50:55,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 632 states. [2022-07-21 04:50:55,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 632 to 454. [2022-07-21 04:50:55,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 454 states, 358 states have (on average 1.5698324022346368) internal successors, (562), 363 states have internal predecessors, (562), 70 states have call successors, (70), 22 states have call predecessors, (70), 25 states have return successors, (77), 68 states have call predecessors, (77), 69 states have call successors, (77) [2022-07-21 04:50:55,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 454 states and 709 transitions. [2022-07-21 04:50:55,227 INFO L78 Accepts]: Start accepts. Automaton has 454 states and 709 transitions. Word has length 112 [2022-07-21 04:50:55,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 04:50:55,227 INFO L495 AbstractCegarLoop]: Abstraction has 454 states and 709 transitions. [2022-07-21 04:50:55,227 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) [2022-07-21 04:50:55,227 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 709 transitions. [2022-07-21 04:50:55,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-07-21 04:50:55,229 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 04:50:55,229 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 04:50:55,229 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-21 04:50:55,229 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 04:50:55,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 04:50:55,230 INFO L85 PathProgramCache]: Analyzing trace with hash -1107410311, now seen corresponding path program 1 times [2022-07-21 04:50:55,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 04:50:55,230 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291963029] [2022-07-21 04:50:55,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 04:50:55,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 04:50:55,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:55,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 04:50:55,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:55,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 04:50:55,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:55,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 04:50:55,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:55,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 04:50:55,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:55,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-21 04:50:55,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:55,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-21 04:50:55,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:55,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-21 04:50:55,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:55,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-21 04:50:55,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:55,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-21 04:50:55,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:55,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-21 04:50:55,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:55,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-21 04:50:55,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:55,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 04:50:55,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:55,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-21 04:50:55,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:55,366 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-07-21 04:50:55,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 04:50:55,366 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291963029] [2022-07-21 04:50:55,366 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1291963029] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 04:50:55,366 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 04:50:55,366 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-07-21 04:50:55,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174122834] [2022-07-21 04:50:55,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 04:50:55,367 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-21 04:50:55,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 04:50:55,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-21 04:50:55,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2022-07-21 04:50:55,368 INFO L87 Difference]: Start difference. First operand 454 states and 709 transitions. Second operand has 12 states, 11 states have (on average 6.636363636363637) internal successors, (73), 8 states have internal predecessors, (73), 4 states have call successors, (16), 6 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 4 states have call successors, (13) [2022-07-21 04:50:57,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 04:50:57,346 INFO L93 Difference]: Finished difference Result 1059 states and 1675 transitions. [2022-07-21 04:50:57,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-21 04:50:57,347 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.636363636363637) internal successors, (73), 8 states have internal predecessors, (73), 4 states have call successors, (16), 6 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 4 states have call successors, (13) Word has length 113 [2022-07-21 04:50:57,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 04:50:57,351 INFO L225 Difference]: With dead ends: 1059 [2022-07-21 04:50:57,367 INFO L226 Difference]: Without dead ends: 632 [2022-07-21 04:50:57,371 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 [2022-07-21 04:50:57,371 INFO L413 NwaCegarLoop]: 696 mSDtfsCounter, 1556 mSDsluCounter, 1358 mSDsCounter, 0 mSdLazyCounter, 4349 mSolverCounterSat, 592 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1556 SdHoareTripleChecker+Valid, 2054 SdHoareTripleChecker+Invalid, 4941 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 592 IncrementalHoareTripleChecker+Valid, 4349 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-07-21 04:50:57,372 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1556 Valid, 2054 Invalid, 4941 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [592 Valid, 4349 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-07-21 04:50:57,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 632 states. [2022-07-21 04:50:57,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 632 to 454. [2022-07-21 04:50:57,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 454 states, 358 states have (on average 1.5698324022346368) internal successors, (562), 363 states have internal predecessors, (562), 70 states have call successors, (70), 22 states have call predecessors, (70), 25 states have return successors, (76), 68 states have call predecessors, (76), 69 states have call successors, (76) [2022-07-21 04:50:57,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 454 states and 708 transitions. [2022-07-21 04:50:57,397 INFO L78 Accepts]: Start accepts. Automaton has 454 states and 708 transitions. Word has length 113 [2022-07-21 04:50:57,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 04:50:57,397 INFO L495 AbstractCegarLoop]: Abstraction has 454 states and 708 transitions. [2022-07-21 04:50:57,397 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.636363636363637) internal successors, (73), 8 states have internal predecessors, (73), 4 states have call successors, (16), 6 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 4 states have call successors, (13) [2022-07-21 04:50:57,397 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 708 transitions. [2022-07-21 04:50:57,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-07-21 04:50:57,401 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 04:50:57,401 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 04:50:57,402 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-21 04:50:57,402 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 04:50:57,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 04:50:57,403 INFO L85 PathProgramCache]: Analyzing trace with hash 1255533047, now seen corresponding path program 2 times [2022-07-21 04:50:57,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 04:50:57,403 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651971650] [2022-07-21 04:50:57,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 04:50:57,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 04:50:57,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:57,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 04:50:57,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:57,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 04:50:57,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:57,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 04:50:57,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:57,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 04:50:57,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:57,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-21 04:50:57,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:57,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-21 04:50:57,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:57,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-21 04:50:57,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:57,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-21 04:50:57,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:57,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-21 04:50:57,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:57,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 04:50:57,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:57,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-21 04:50:57,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:57,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-07-21 04:50:57,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:57,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-07-21 04:50:57,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:57,539 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-07-21 04:50:57,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 04:50:57,540 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1651971650] [2022-07-21 04:50:57,540 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1651971650] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 04:50:57,540 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 04:50:57,540 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-07-21 04:50:57,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067884821] [2022-07-21 04:50:57,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 04:50:57,541 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-21 04:50:57,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 04:50:57,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-21 04:50:57,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2022-07-21 04:50:57,542 INFO L87 Difference]: Start difference. First operand 454 states and 708 transitions. Second operand has 12 states, 11 states have (on average 6.7272727272727275) internal successors, (74), 8 states have internal predecessors, (74), 4 states have call successors, (16), 6 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 4 states have call successors, (13) [2022-07-21 04:50:59,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 04:50:59,624 INFO L93 Difference]: Finished difference Result 1061 states and 1681 transitions. [2022-07-21 04:50:59,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-21 04:50:59,625 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 [2022-07-21 04:50:59,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 04:50:59,628 INFO L225 Difference]: With dead ends: 1061 [2022-07-21 04:50:59,629 INFO L226 Difference]: Without dead ends: 634 [2022-07-21 04:50:59,630 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 [2022-07-21 04:50:59,631 INFO L413 NwaCegarLoop]: 702 mSDtfsCounter, 1547 mSDsluCounter, 1358 mSDsCounter, 0 mSdLazyCounter, 4423 mSolverCounterSat, 574 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1547 SdHoareTripleChecker+Valid, 2060 SdHoareTripleChecker+Invalid, 4997 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 574 IncrementalHoareTripleChecker+Valid, 4423 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-07-21 04:50:59,631 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1547 Valid, 2060 Invalid, 4997 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [574 Valid, 4423 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-07-21 04:50:59,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 634 states. [2022-07-21 04:50:59,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 634 to 456. [2022-07-21 04:50:59,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 456 states, 359 states have (on average 1.5682451253481895) internal successors, (563), 365 states have internal predecessors, (563), 70 states have call successors, (70), 22 states have call predecessors, (70), 26 states have return successors, (81), 68 states have call predecessors, (81), 69 states have call successors, (81) [2022-07-21 04:50:59,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 456 states and 714 transitions. [2022-07-21 04:50:59,654 INFO L78 Accepts]: Start accepts. Automaton has 456 states and 714 transitions. Word has length 114 [2022-07-21 04:50:59,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 04:50:59,654 INFO L495 AbstractCegarLoop]: Abstraction has 456 states and 714 transitions. [2022-07-21 04:50:59,654 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) [2022-07-21 04:50:59,655 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 714 transitions. [2022-07-21 04:50:59,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-07-21 04:50:59,656 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 04:50:59,656 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 04:50:59,657 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-21 04:50:59,657 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 04:50:59,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 04:50:59,657 INFO L85 PathProgramCache]: Analyzing trace with hash -926043522, now seen corresponding path program 1 times [2022-07-21 04:50:59,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 04:50:59,657 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873704407] [2022-07-21 04:50:59,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 04:50:59,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 04:50:59,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:59,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 04:50:59,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:59,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 04:50:59,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:59,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 04:50:59,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:59,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 04:50:59,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:59,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-21 04:50:59,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:59,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-21 04:50:59,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:59,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-21 04:50:59,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:59,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 04:50:59,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:59,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-21 04:50:59,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:59,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-21 04:50:59,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:59,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-21 04:50:59,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:59,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-07-21 04:50:59,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:59,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-21 04:50:59,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:59,748 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-07-21 04:50:59,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 04:50:59,749 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1873704407] [2022-07-21 04:50:59,749 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1873704407] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 04:50:59,749 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1775644664] [2022-07-21 04:50:59,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 04:50:59,749 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 04:50:59,749 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 04:50:59,764 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) [2022-07-21 04:50:59,766 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-07-21 04:50:59,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:50:59,977 INFO L263 TraceCheckSpWp]: Trace formula consists of 1066 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-21 04:50:59,979 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 04:51:00,000 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-07-21 04:51:00,000 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 04:51:00,066 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-07-21 04:51:00,066 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1775644664] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-21 04:51:00,066 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-21 04:51:00,066 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 11 [2022-07-21 04:51:00,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488757905] [2022-07-21 04:51:00,068 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-21 04:51:00,068 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-21 04:51:00,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 04:51:00,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-21 04:51:00,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2022-07-21 04:51:00,069 INFO L87 Difference]: Start difference. First operand 456 states and 714 transitions. Second operand has 11 states, 11 states have (on average 9.363636363636363) internal successors, (103), 7 states have internal predecessors, (103), 2 states have call successors, (32), 6 states have call predecessors, (32), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-21 04:51:02,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 04:51:02,147 INFO L93 Difference]: Finished difference Result 1263 states and 2074 transitions. [2022-07-21 04:51:02,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-21 04:51:02,148 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 9.363636363636363) internal successors, (103), 7 states have internal predecessors, (103), 2 states have call successors, (32), 6 states have call predecessors, (32), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 115 [2022-07-21 04:51:02,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 04:51:02,153 INFO L225 Difference]: With dead ends: 1263 [2022-07-21 04:51:02,153 INFO L226 Difference]: Without dead ends: 1076 [2022-07-21 04:51:02,154 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 268 GetRequests, 253 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2022-07-21 04:51:02,154 INFO L413 NwaCegarLoop]: 825 mSDtfsCounter, 1769 mSDsluCounter, 1609 mSDsCounter, 0 mSdLazyCounter, 2948 mSolverCounterSat, 687 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1823 SdHoareTripleChecker+Valid, 2434 SdHoareTripleChecker+Invalid, 3635 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 687 IncrementalHoareTripleChecker+Valid, 2948 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-07-21 04:51:02,154 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1823 Valid, 2434 Invalid, 3635 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [687 Valid, 2948 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-07-21 04:51:02,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1076 states. [2022-07-21 04:51:02,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1076 to 874. [2022-07-21 04:51:02,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 874 states, 698 states have (on average 1.6275071633237823) internal successors, (1136), 704 states have internal predecessors, (1136), 149 states have call successors, (149), 22 states have call predecessors, (149), 26 states have return successors, (170), 147 states have call predecessors, (170), 148 states have call successors, (170) [2022-07-21 04:51:02,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 874 states to 874 states and 1455 transitions. [2022-07-21 04:51:02,190 INFO L78 Accepts]: Start accepts. Automaton has 874 states and 1455 transitions. Word has length 115 [2022-07-21 04:51:02,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 04:51:02,191 INFO L495 AbstractCegarLoop]: Abstraction has 874 states and 1455 transitions. [2022-07-21 04:51:02,191 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 9.363636363636363) internal successors, (103), 7 states have internal predecessors, (103), 2 states have call successors, (32), 6 states have call predecessors, (32), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-21 04:51:02,191 INFO L276 IsEmpty]: Start isEmpty. Operand 874 states and 1455 transitions. [2022-07-21 04:51:02,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-07-21 04:51:02,193 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 04:51:02,194 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 04:51:02,221 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-07-21 04:51:02,412 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 [2022-07-21 04:51:02,413 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 04:51:02,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 04:51:02,413 INFO L85 PathProgramCache]: Analyzing trace with hash -2115641189, now seen corresponding path program 1 times [2022-07-21 04:51:02,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 04:51:02,413 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901194278] [2022-07-21 04:51:02,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 04:51:02,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 04:51:02,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:02,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 04:51:02,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:02,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 04:51:02,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:02,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 04:51:02,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:02,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 04:51:02,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:02,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-21 04:51:02,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:02,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-21 04:51:02,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:02,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-21 04:51:02,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:02,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-21 04:51:02,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:02,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-21 04:51:02,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:02,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-07-21 04:51:02,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:02,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-07-21 04:51:02,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:02,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-07-21 04:51:02,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:02,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 04:51:02,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:02,476 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-07-21 04:51:02,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 04:51:02,477 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901194278] [2022-07-21 04:51:02,477 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1901194278] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 04:51:02,477 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 04:51:02,477 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 04:51:02,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450540757] [2022-07-21 04:51:02,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 04:51:02,478 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 04:51:02,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 04:51:02,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 04:51:02,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-21 04:51:02,478 INFO L87 Difference]: Start difference. First operand 874 states and 1455 transitions. Second operand has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-21 04:51:03,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 04:51:03,839 INFO L93 Difference]: Finished difference Result 2281 states and 3875 transitions. [2022-07-21 04:51:03,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-21 04:51:03,840 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 121 [2022-07-21 04:51:03,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 04:51:03,849 INFO L225 Difference]: With dead ends: 2281 [2022-07-21 04:51:03,849 INFO L226 Difference]: Without dead ends: 1475 [2022-07-21 04:51:03,851 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 [2022-07-21 04:51:03,852 INFO L413 NwaCegarLoop]: 753 mSDtfsCounter, 1408 mSDsluCounter, 793 mSDsCounter, 0 mSdLazyCounter, 1260 mSolverCounterSat, 587 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1426 SdHoareTripleChecker+Valid, 1546 SdHoareTripleChecker+Invalid, 1847 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 587 IncrementalHoareTripleChecker+Valid, 1260 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-21 04:51:03,852 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1426 Valid, 1546 Invalid, 1847 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [587 Valid, 1260 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-21 04:51:03,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1475 states. [2022-07-21 04:51:03,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1475 to 1289. [2022-07-21 04:51:03,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1289 states, 1034 states have (on average 1.6402321083172147) internal successors, (1696), 1040 states have internal predecessors, (1696), 228 states have call successors, (228), 22 states have call predecessors, (228), 26 states have return successors, (259), 226 states have call predecessors, (259), 227 states have call successors, (259) [2022-07-21 04:51:03,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1289 states to 1289 states and 2183 transitions. [2022-07-21 04:51:03,929 INFO L78 Accepts]: Start accepts. Automaton has 1289 states and 2183 transitions. Word has length 121 [2022-07-21 04:51:03,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 04:51:03,929 INFO L495 AbstractCegarLoop]: Abstraction has 1289 states and 2183 transitions. [2022-07-21 04:51:03,929 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-21 04:51:03,929 INFO L276 IsEmpty]: Start isEmpty. Operand 1289 states and 2183 transitions. [2022-07-21 04:51:03,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-07-21 04:51:03,934 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 04:51:03,934 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] [2022-07-21 04:51:03,934 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-21 04:51:03,934 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 04:51:03,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 04:51:03,935 INFO L85 PathProgramCache]: Analyzing trace with hash 1259776489, now seen corresponding path program 1 times [2022-07-21 04:51:03,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 04:51:03,935 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765499760] [2022-07-21 04:51:03,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 04:51:03,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 04:51:03,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:03,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 04:51:03,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:03,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 04:51:03,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:03,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 04:51:03,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:03,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 04:51:03,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:03,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-21 04:51:03,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:03,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-21 04:51:03,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:03,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-07-21 04:51:03,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:03,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-21 04:51:03,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:03,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 04:51:03,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:03,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-21 04:51:03,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:03,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-07-21 04:51:03,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:03,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-21 04:51:03,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:04,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 04:51:04,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:04,001 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-07-21 04:51:04,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 04:51:04,001 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765499760] [2022-07-21 04:51:04,001 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1765499760] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 04:51:04,001 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 04:51:04,002 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 04:51:04,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246765831] [2022-07-21 04:51:04,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 04:51:04,002 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 04:51:04,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 04:51:04,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 04:51:04,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-21 04:51:04,003 INFO L87 Difference]: Start difference. First operand 1289 states and 2183 transitions. Second operand has 7 states, 7 states have (on average 11.0) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-21 04:51:05,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 04:51:05,260 INFO L93 Difference]: Finished difference Result 3295 states and 5653 transitions. [2022-07-21 04:51:05,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-21 04:51:05,261 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 [2022-07-21 04:51:05,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 04:51:05,269 INFO L225 Difference]: With dead ends: 3295 [2022-07-21 04:51:05,269 INFO L226 Difference]: Without dead ends: 2127 [2022-07-21 04:51:05,272 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 [2022-07-21 04:51:05,272 INFO L413 NwaCegarLoop]: 741 mSDtfsCounter, 1409 mSDsluCounter, 771 mSDsCounter, 0 mSdLazyCounter, 1240 mSolverCounterSat, 578 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1427 SdHoareTripleChecker+Valid, 1512 SdHoareTripleChecker+Invalid, 1818 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 578 IncrementalHoareTripleChecker+Valid, 1240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-07-21 04:51:05,273 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1427 Valid, 1512 Invalid, 1818 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [578 Valid, 1240 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-21 04:51:05,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2127 states. [2022-07-21 04:51:05,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2127 to 1941. [2022-07-21 04:51:05,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1941 states, 1567 states have (on average 1.6483726866624122) internal successors, (2583), 1573 states have internal predecessors, (2583), 347 states have call successors, (347), 22 states have call predecessors, (347), 26 states have return successors, (378), 345 states have call predecessors, (378), 346 states have call successors, (378) [2022-07-21 04:51:05,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1941 states to 1941 states and 3308 transitions. [2022-07-21 04:51:05,343 INFO L78 Accepts]: Start accepts. Automaton has 1941 states and 3308 transitions. Word has length 122 [2022-07-21 04:51:05,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 04:51:05,343 INFO L495 AbstractCegarLoop]: Abstraction has 1941 states and 3308 transitions. [2022-07-21 04:51:05,343 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) [2022-07-21 04:51:05,343 INFO L276 IsEmpty]: Start isEmpty. Operand 1941 states and 3308 transitions. [2022-07-21 04:51:05,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-07-21 04:51:05,351 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 04:51:05,351 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] [2022-07-21 04:51:05,351 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-21 04:51:05,351 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 04:51:05,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 04:51:05,352 INFO L85 PathProgramCache]: Analyzing trace with hash 1328199485, now seen corresponding path program 1 times [2022-07-21 04:51:05,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 04:51:05,352 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769684672] [2022-07-21 04:51:05,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 04:51:05,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 04:51:05,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:05,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 04:51:05,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:05,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 04:51:05,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:05,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 04:51:05,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:05,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 04:51:05,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:05,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-21 04:51:05,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:05,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-21 04:51:05,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:05,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 04:51:05,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:05,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-21 04:51:05,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:05,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-21 04:51:05,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:05,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 04:51:05,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:05,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 04:51:05,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:05,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-21 04:51:05,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:05,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-21 04:51:05,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:05,435 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-07-21 04:51:05,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 04:51:05,435 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769684672] [2022-07-21 04:51:05,435 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [769684672] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 04:51:05,435 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 04:51:05,435 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 04:51:05,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683980233] [2022-07-21 04:51:05,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 04:51:05,436 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 04:51:05,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 04:51:05,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 04:51:05,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-21 04:51:05,436 INFO L87 Difference]: Start difference. First operand 1941 states and 3308 transitions. Second operand has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-21 04:51:06,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 04:51:06,704 INFO L93 Difference]: Finished difference Result 4825 states and 8355 transitions. [2022-07-21 04:51:06,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-21 04:51:06,704 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 [2022-07-21 04:51:06,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 04:51:06,751 INFO L225 Difference]: With dead ends: 4825 [2022-07-21 04:51:06,751 INFO L226 Difference]: Without dead ends: 3130 [2022-07-21 04:51:06,755 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 [2022-07-21 04:51:06,755 INFO L413 NwaCegarLoop]: 739 mSDtfsCounter, 1409 mSDsluCounter, 770 mSDsCounter, 0 mSdLazyCounter, 1235 mSolverCounterSat, 578 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1428 SdHoareTripleChecker+Valid, 1509 SdHoareTripleChecker+Invalid, 1813 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 578 IncrementalHoareTripleChecker+Valid, 1235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-07-21 04:51:06,756 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1428 Valid, 1509 Invalid, 1813 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [578 Valid, 1235 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-21 04:51:06,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3130 states. [2022-07-21 04:51:06,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3130 to 2944. [2022-07-21 04:51:06,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2944 states, 2408 states have (on average 1.6549003322259137) internal successors, (3985), 2414 states have internal predecessors, (3985), 509 states have call successors, (509), 22 states have call predecessors, (509), 26 states have return successors, (556), 507 states have call predecessors, (556), 508 states have call successors, (556) [2022-07-21 04:51:06,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2944 states to 2944 states and 5050 transitions. [2022-07-21 04:51:06,904 INFO L78 Accepts]: Start accepts. Automaton has 2944 states and 5050 transitions. Word has length 123 [2022-07-21 04:51:06,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 04:51:06,904 INFO L495 AbstractCegarLoop]: Abstraction has 2944 states and 5050 transitions. [2022-07-21 04:51:06,904 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) [2022-07-21 04:51:06,905 INFO L276 IsEmpty]: Start isEmpty. Operand 2944 states and 5050 transitions. [2022-07-21 04:51:06,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-07-21 04:51:06,912 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 04:51:06,912 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] [2022-07-21 04:51:06,913 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-07-21 04:51:06,913 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 04:51:06,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 04:51:06,913 INFO L85 PathProgramCache]: Analyzing trace with hash 1022817930, now seen corresponding path program 1 times [2022-07-21 04:51:06,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 04:51:06,914 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428437536] [2022-07-21 04:51:06,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 04:51:06,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 04:51:06,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:06,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 04:51:06,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:06,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 04:51:06,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:06,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 04:51:06,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:06,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 04:51:06,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:06,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-21 04:51:06,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:06,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-21 04:51:06,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:06,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-21 04:51:06,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:06,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-21 04:51:06,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:06,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-21 04:51:06,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:06,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-21 04:51:06,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:06,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-21 04:51:06,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:06,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-21 04:51:06,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:06,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-21 04:51:06,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:06,983 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-07-21 04:51:06,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 04:51:06,983 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428437536] [2022-07-21 04:51:06,983 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1428437536] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 04:51:06,983 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 04:51:06,983 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 04:51:06,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882133917] [2022-07-21 04:51:06,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 04:51:06,984 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 04:51:06,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 04:51:06,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 04:51:06,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-21 04:51:06,985 INFO L87 Difference]: Start difference. First operand 2944 states and 5050 transitions. Second operand has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-21 04:51:08,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 04:51:08,423 INFO L93 Difference]: Finished difference Result 7249 states and 12644 transitions. [2022-07-21 04:51:08,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-21 04:51:08,423 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 [2022-07-21 04:51:08,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 04:51:08,482 INFO L225 Difference]: With dead ends: 7249 [2022-07-21 04:51:08,482 INFO L226 Difference]: Without dead ends: 4755 [2022-07-21 04:51:08,491 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 [2022-07-21 04:51:08,491 INFO L413 NwaCegarLoop]: 746 mSDtfsCounter, 1401 mSDsluCounter, 770 mSDsCounter, 0 mSdLazyCounter, 1242 mSolverCounterSat, 580 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1419 SdHoareTripleChecker+Valid, 1516 SdHoareTripleChecker+Invalid, 1822 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 580 IncrementalHoareTripleChecker+Valid, 1242 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-07-21 04:51:08,492 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1419 Valid, 1516 Invalid, 1822 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [580 Valid, 1242 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-21 04:51:08,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4755 states. [2022-07-21 04:51:08,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4755 to 4569. [2022-07-21 04:51:08,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4569 states, 3788 states have (on average 1.6594508975712776) internal successors, (6286), 3794 states have internal predecessors, (6286), 754 states have call successors, (754), 22 states have call predecessors, (754), 26 states have return successors, (827), 752 states have call predecessors, (827), 753 states have call successors, (827) [2022-07-21 04:51:08,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4569 states to 4569 states and 7867 transitions. [2022-07-21 04:51:08,792 INFO L78 Accepts]: Start accepts. Automaton has 4569 states and 7867 transitions. Word has length 124 [2022-07-21 04:51:08,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 04:51:08,792 INFO L495 AbstractCegarLoop]: Abstraction has 4569 states and 7867 transitions. [2022-07-21 04:51:08,792 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) [2022-07-21 04:51:08,792 INFO L276 IsEmpty]: Start isEmpty. Operand 4569 states and 7867 transitions. [2022-07-21 04:51:08,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2022-07-21 04:51:08,802 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 04:51:08,802 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] [2022-07-21 04:51:08,803 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-07-21 04:51:08,803 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 04:51:08,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 04:51:08,803 INFO L85 PathProgramCache]: Analyzing trace with hash 2087014137, now seen corresponding path program 1 times [2022-07-21 04:51:08,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 04:51:08,804 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772795028] [2022-07-21 04:51:08,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 04:51:08,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 04:51:08,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:08,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 04:51:08,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:08,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 04:51:08,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:08,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 04:51:08,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:08,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 04:51:08,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:08,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-21 04:51:08,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:08,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-21 04:51:08,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:08,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-21 04:51:08,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:08,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-21 04:51:08,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:08,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-21 04:51:08,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:08,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-21 04:51:08,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:08,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-21 04:51:08,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:08,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-21 04:51:08,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:08,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-21 04:51:08,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:08,895 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-07-21 04:51:08,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 04:51:08,895 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772795028] [2022-07-21 04:51:08,895 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [772795028] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 04:51:08,895 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 04:51:08,895 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 04:51:08,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91430475] [2022-07-21 04:51:08,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 04:51:08,896 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 04:51:08,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 04:51:08,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 04:51:08,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-21 04:51:08,896 INFO L87 Difference]: Start difference. First operand 4569 states and 7867 transitions. Second operand has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-21 04:51:10,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 04:51:10,286 INFO L93 Difference]: Finished difference Result 11295 states and 19804 transitions. [2022-07-21 04:51:10,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-21 04:51:10,286 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 [2022-07-21 04:51:10,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 04:51:10,359 INFO L225 Difference]: With dead ends: 11295 [2022-07-21 04:51:10,360 INFO L226 Difference]: Without dead ends: 7488 [2022-07-21 04:51:10,377 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 [2022-07-21 04:51:10,378 INFO L413 NwaCegarLoop]: 755 mSDtfsCounter, 1399 mSDsluCounter, 780 mSDsCounter, 0 mSdLazyCounter, 1278 mSolverCounterSat, 579 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1417 SdHoareTripleChecker+Valid, 1535 SdHoareTripleChecker+Invalid, 1857 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 579 IncrementalHoareTripleChecker+Valid, 1278 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-07-21 04:51:10,378 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1417 Valid, 1535 Invalid, 1857 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [579 Valid, 1278 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-21 04:51:10,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7488 states. [2022-07-21 04:51:10,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7488 to 7302. [2022-07-21 04:51:10,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7302 states, 6028 states have (on average 1.65743198407432) internal successors, (9991), 6034 states have internal predecessors, (9991), 1247 states have call successors, (1247), 22 states have call predecessors, (1247), 26 states have return successors, (1364), 1245 states have call predecessors, (1364), 1246 states have call successors, (1364) [2022-07-21 04:51:10,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7302 states to 7302 states and 12602 transitions. [2022-07-21 04:51:10,697 INFO L78 Accepts]: Start accepts. Automaton has 7302 states and 12602 transitions. Word has length 125 [2022-07-21 04:51:10,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 04:51:10,698 INFO L495 AbstractCegarLoop]: Abstraction has 7302 states and 12602 transitions. [2022-07-21 04:51:10,700 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) [2022-07-21 04:51:10,700 INFO L276 IsEmpty]: Start isEmpty. Operand 7302 states and 12602 transitions. [2022-07-21 04:51:10,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-07-21 04:51:10,723 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 04:51:10,723 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] [2022-07-21 04:51:10,723 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-07-21 04:51:10,723 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 04:51:10,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 04:51:10,723 INFO L85 PathProgramCache]: Analyzing trace with hash 87237326, now seen corresponding path program 1 times [2022-07-21 04:51:10,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 04:51:10,724 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207239807] [2022-07-21 04:51:10,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 04:51:10,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 04:51:10,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:10,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 04:51:10,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:10,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 04:51:10,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:10,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 04:51:10,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:10,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 04:51:10,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:10,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-21 04:51:10,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:10,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-21 04:51:10,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:10,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-21 04:51:10,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:10,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-21 04:51:10,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:10,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-07-21 04:51:10,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:10,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-21 04:51:10,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:10,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-21 04:51:10,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:10,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-07-21 04:51:10,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:10,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-21 04:51:10,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:10,818 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-07-21 04:51:10,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 04:51:10,819 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207239807] [2022-07-21 04:51:10,819 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1207239807] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 04:51:10,819 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 04:51:10,819 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 04:51:10,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85290613] [2022-07-21 04:51:10,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 04:51:10,820 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 04:51:10,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 04:51:10,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 04:51:10,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-21 04:51:10,820 INFO L87 Difference]: Start difference. First operand 7302 states and 12602 transitions. Second operand has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-21 04:51:12,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 04:51:12,461 INFO L93 Difference]: Finished difference Result 18630 states and 32688 transitions. [2022-07-21 04:51:12,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-21 04:51:12,461 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 [2022-07-21 04:51:12,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 04:51:12,500 INFO L225 Difference]: With dead ends: 18630 [2022-07-21 04:51:12,500 INFO L226 Difference]: Without dead ends: 12467 [2022-07-21 04:51:12,518 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 [2022-07-21 04:51:12,519 INFO L413 NwaCegarLoop]: 745 mSDtfsCounter, 1400 mSDsluCounter, 775 mSDsCounter, 0 mSdLazyCounter, 1247 mSolverCounterSat, 592 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1418 SdHoareTripleChecker+Valid, 1520 SdHoareTripleChecker+Invalid, 1839 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 592 IncrementalHoareTripleChecker+Valid, 1247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-21 04:51:12,519 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1418 Valid, 1520 Invalid, 1839 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [592 Valid, 1247 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-21 04:51:12,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12467 states. [2022-07-21 04:51:13,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12467 to 12281. [2022-07-21 04:51:13,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12281 states, 10185 states have (on average 1.657437407952872) internal successors, (16881), 10191 states have internal predecessors, (16881), 2069 states have call successors, (2069), 22 states have call predecessors, (2069), 26 states have return successors, (2264), 2067 states have call predecessors, (2264), 2068 states have call successors, (2264) [2022-07-21 04:51:13,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12281 states to 12281 states and 21214 transitions. [2022-07-21 04:51:13,056 INFO L78 Accepts]: Start accepts. Automaton has 12281 states and 21214 transitions. Word has length 126 [2022-07-21 04:51:13,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 04:51:13,057 INFO L495 AbstractCegarLoop]: Abstraction has 12281 states and 21214 transitions. [2022-07-21 04:51:13,057 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) [2022-07-21 04:51:13,057 INFO L276 IsEmpty]: Start isEmpty. Operand 12281 states and 21214 transitions. [2022-07-21 04:51:13,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-07-21 04:51:13,078 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 04:51:13,078 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] [2022-07-21 04:51:13,078 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-07-21 04:51:13,078 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 04:51:13,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 04:51:13,078 INFO L85 PathProgramCache]: Analyzing trace with hash 1424852199, now seen corresponding path program 1 times [2022-07-21 04:51:13,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 04:51:13,079 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387399221] [2022-07-21 04:51:13,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 04:51:13,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 04:51:13,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:13,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 04:51:13,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:13,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 04:51:13,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:13,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 04:51:13,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:13,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 04:51:13,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:13,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-21 04:51:13,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:13,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-21 04:51:13,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:13,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-21 04:51:13,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:13,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-21 04:51:13,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:13,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-07-21 04:51:13,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:13,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-21 04:51:13,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:13,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-07-21 04:51:13,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:13,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-21 04:51:13,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:13,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-21 04:51:13,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:13,152 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-07-21 04:51:13,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 04:51:13,152 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387399221] [2022-07-21 04:51:13,152 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1387399221] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 04:51:13,153 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 04:51:13,153 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 04:51:13,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113135012] [2022-07-21 04:51:13,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 04:51:13,154 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 04:51:13,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 04:51:13,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 04:51:13,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-21 04:51:13,156 INFO L87 Difference]: Start difference. First operand 12281 states and 21214 transitions. Second operand has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-21 04:51:14,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 04:51:14,909 INFO L93 Difference]: Finished difference Result 29588 states and 51653 transitions. [2022-07-21 04:51:14,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-21 04:51:14,909 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 [2022-07-21 04:51:14,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 04:51:14,976 INFO L225 Difference]: With dead ends: 29588 [2022-07-21 04:51:14,976 INFO L226 Difference]: Without dead ends: 19420 [2022-07-21 04:51:15,006 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 [2022-07-21 04:51:15,007 INFO L413 NwaCegarLoop]: 745 mSDtfsCounter, 1396 mSDsluCounter, 749 mSDsCounter, 0 mSdLazyCounter, 1244 mSolverCounterSat, 572 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1414 SdHoareTripleChecker+Valid, 1494 SdHoareTripleChecker+Invalid, 1816 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 572 IncrementalHoareTripleChecker+Valid, 1244 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-07-21 04:51:15,007 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1414 Valid, 1494 Invalid, 1816 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [572 Valid, 1244 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-21 04:51:15,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19420 states. [2022-07-21 04:51:15,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19420 to 19234. [2022-07-21 04:51:15,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19234 states, 15935 states have (on average 1.6330718544085348) internal successors, (26023), 15941 states have internal predecessors, (26023), 3272 states have call successors, (3272), 22 states have call predecessors, (3272), 26 states have return successors, (3611), 3270 states have call predecessors, (3611), 3271 states have call successors, (3611) [2022-07-21 04:51:16,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19234 states to 19234 states and 32906 transitions. [2022-07-21 04:51:16,009 INFO L78 Accepts]: Start accepts. Automaton has 19234 states and 32906 transitions. Word has length 127 [2022-07-21 04:51:16,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 04:51:16,010 INFO L495 AbstractCegarLoop]: Abstraction has 19234 states and 32906 transitions. [2022-07-21 04:51:16,010 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) [2022-07-21 04:51:16,010 INFO L276 IsEmpty]: Start isEmpty. Operand 19234 states and 32906 transitions. [2022-07-21 04:51:16,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-07-21 04:51:16,035 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 04:51:16,036 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] [2022-07-21 04:51:16,036 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-07-21 04:51:16,036 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 04:51:16,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 04:51:16,038 INFO L85 PathProgramCache]: Analyzing trace with hash 1375617167, now seen corresponding path program 1 times [2022-07-21 04:51:16,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 04:51:16,038 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818438931] [2022-07-21 04:51:16,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 04:51:16,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 04:51:16,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:16,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 04:51:16,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:16,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 04:51:16,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:16,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 04:51:16,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:16,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 04:51:16,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:16,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-21 04:51:16,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:16,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-21 04:51:16,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:16,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-21 04:51:16,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:16,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-21 04:51:16,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:16,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-21 04:51:16,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:16,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-21 04:51:16,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:16,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-21 04:51:16,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:16,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 04:51:16,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:16,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-21 04:51:16,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:16,279 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-07-21 04:51:16,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 04:51:16,279 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818438931] [2022-07-21 04:51:16,279 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [818438931] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 04:51:16,279 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 04:51:16,279 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 04:51:16,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534309809] [2022-07-21 04:51:16,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 04:51:16,280 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 04:51:16,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 04:51:16,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 04:51:16,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-21 04:51:16,281 INFO L87 Difference]: Start difference. First operand 19234 states and 32906 transitions. Second operand has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-21 04:51:18,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 04:51:18,550 INFO L93 Difference]: Finished difference Result 51020 states and 88773 transitions. [2022-07-21 04:51:18,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-21 04:51:18,558 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 [2022-07-21 04:51:18,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 04:51:18,672 INFO L225 Difference]: With dead ends: 51020 [2022-07-21 04:51:18,672 INFO L226 Difference]: Without dead ends: 34541 [2022-07-21 04:51:18,715 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 [2022-07-21 04:51:18,717 INFO L413 NwaCegarLoop]: 746 mSDtfsCounter, 1395 mSDsluCounter, 771 mSDsCounter, 0 mSdLazyCounter, 1249 mSolverCounterSat, 584 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1414 SdHoareTripleChecker+Valid, 1517 SdHoareTripleChecker+Invalid, 1833 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 584 IncrementalHoareTripleChecker+Valid, 1249 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-07-21 04:51:18,717 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1414 Valid, 1517 Invalid, 1833 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [584 Valid, 1249 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-21 04:51:18,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34541 states. [2022-07-21 04:51:20,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34541 to 34355. [2022-07-21 04:51:20,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34355 states, 28606 states have (on average 1.6299377752918969) internal successors, (46626), 28612 states have internal predecessors, (46626), 5722 states have call successors, (5722), 22 states have call predecessors, (5722), 26 states have return successors, (6335), 5720 states have call predecessors, (6335), 5721 states have call successors, (6335) [2022-07-21 04:51:20,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34355 states to 34355 states and 58683 transitions. [2022-07-21 04:51:20,461 INFO L78 Accepts]: Start accepts. Automaton has 34355 states and 58683 transitions. Word has length 128 [2022-07-21 04:51:20,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 04:51:20,462 INFO L495 AbstractCegarLoop]: Abstraction has 34355 states and 58683 transitions. [2022-07-21 04:51:20,462 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) [2022-07-21 04:51:20,462 INFO L276 IsEmpty]: Start isEmpty. Operand 34355 states and 58683 transitions. [2022-07-21 04:51:20,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-07-21 04:51:20,480 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 04:51:20,481 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] [2022-07-21 04:51:20,481 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-07-21 04:51:20,481 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 04:51:20,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 04:51:20,481 INFO L85 PathProgramCache]: Analyzing trace with hash 1370742017, now seen corresponding path program 1 times [2022-07-21 04:51:20,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 04:51:20,482 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697209085] [2022-07-21 04:51:20,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 04:51:20,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 04:51:20,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:20,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 04:51:20,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:20,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 04:51:20,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:20,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 04:51:20,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:20,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 04:51:20,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:20,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-21 04:51:20,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:20,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-21 04:51:20,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:20,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-21 04:51:20,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:20,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 04:51:20,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:20,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-07-21 04:51:20,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:20,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-21 04:51:20,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:20,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-21 04:51:20,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:20,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 04:51:20,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:20,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-07-21 04:51:20,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:20,559 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-07-21 04:51:20,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 04:51:20,560 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697209085] [2022-07-21 04:51:20,560 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [697209085] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 04:51:20,560 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 04:51:20,560 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 04:51:20,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127268610] [2022-07-21 04:51:20,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 04:51:20,561 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 04:51:20,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 04:51:20,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 04:51:20,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-21 04:51:20,562 INFO L87 Difference]: Start difference. First operand 34355 states and 58683 transitions. Second operand has 7 states, 7 states have (on average 12.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-21 04:51:23,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 04:51:23,691 INFO L93 Difference]: Finished difference Result 93892 states and 162567 transitions. [2022-07-21 04:51:23,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-21 04:51:23,692 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 [2022-07-21 04:51:23,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 04:51:23,946 INFO L225 Difference]: With dead ends: 93892 [2022-07-21 04:51:23,946 INFO L226 Difference]: Without dead ends: 63208 [2022-07-21 04:51:24,046 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 [2022-07-21 04:51:24,047 INFO L413 NwaCegarLoop]: 745 mSDtfsCounter, 1394 mSDsluCounter, 775 mSDsCounter, 0 mSdLazyCounter, 1254 mSolverCounterSat, 583 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1412 SdHoareTripleChecker+Valid, 1520 SdHoareTripleChecker+Invalid, 1837 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 583 IncrementalHoareTripleChecker+Valid, 1254 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-07-21 04:51:24,047 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1412 Valid, 1520 Invalid, 1837 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [583 Valid, 1254 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-21 04:51:24,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63208 states. [2022-07-21 04:51:26,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63208 to 63022. [2022-07-21 04:51:26,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63022 states, 52760 states have (on average 1.6257960576194086) internal successors, (85777), 52766 states have internal predecessors, (85777), 10235 states have call successors, (10235), 22 states have call predecessors, (10235), 26 states have return successors, (11380), 10233 states have call predecessors, (11380), 10234 states have call successors, (11380) [2022-07-21 04:51:27,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63022 states to 63022 states and 107392 transitions. [2022-07-21 04:51:27,043 INFO L78 Accepts]: Start accepts. Automaton has 63022 states and 107392 transitions. Word has length 129 [2022-07-21 04:51:27,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 04:51:27,044 INFO L495 AbstractCegarLoop]: Abstraction has 63022 states and 107392 transitions. [2022-07-21 04:51:27,044 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) [2022-07-21 04:51:27,044 INFO L276 IsEmpty]: Start isEmpty. Operand 63022 states and 107392 transitions. [2022-07-21 04:51:27,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-07-21 04:51:27,071 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 04:51:27,071 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] [2022-07-21 04:51:27,071 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-07-21 04:51:27,072 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 04:51:27,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 04:51:27,072 INFO L85 PathProgramCache]: Analyzing trace with hash -1992082129, now seen corresponding path program 1 times [2022-07-21 04:51:27,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 04:51:27,072 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526393834] [2022-07-21 04:51:27,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 04:51:27,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 04:51:27,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:27,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 04:51:27,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:27,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 04:51:27,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:27,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 04:51:27,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:27,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 04:51:27,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:27,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-21 04:51:27,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:27,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-21 04:51:27,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:27,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-21 04:51:27,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:27,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-21 04:51:27,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:27,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-21 04:51:27,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:27,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 04:51:27,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:27,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-21 04:51:27,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:27,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-21 04:51:27,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:27,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-21 04:51:27,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:27,135 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-07-21 04:51:27,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 04:51:27,135 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526393834] [2022-07-21 04:51:27,136 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1526393834] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 04:51:27,136 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 04:51:27,136 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 04:51:27,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194655640] [2022-07-21 04:51:27,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 04:51:27,137 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 04:51:27,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 04:51:27,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 04:51:27,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-21 04:51:27,137 INFO L87 Difference]: Start difference. First operand 63022 states and 107392 transitions. Second operand has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-21 04:51:31,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 04:51:31,853 INFO L93 Difference]: Finished difference Result 118268 states and 205201 transitions. [2022-07-21 04:51:31,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-21 04:51:31,854 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 [2022-07-21 04:51:31,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 04:51:32,372 INFO L225 Difference]: With dead ends: 118268 [2022-07-21 04:51:32,373 INFO L226 Difference]: Without dead ends: 118081 [2022-07-21 04:51:32,434 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 [2022-07-21 04:51:32,436 INFO L413 NwaCegarLoop]: 745 mSDtfsCounter, 1390 mSDsluCounter, 771 mSDsCounter, 0 mSdLazyCounter, 1256 mSolverCounterSat, 579 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1408 SdHoareTripleChecker+Valid, 1516 SdHoareTripleChecker+Invalid, 1835 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 579 IncrementalHoareTripleChecker+Valid, 1256 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-07-21 04:51:32,437 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1408 Valid, 1516 Invalid, 1835 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [579 Valid, 1256 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-21 04:51:32,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118081 states. [2022-07-21 04:51:37,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118081 to 117895. [2022-07-21 04:51:37,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117895 states, 99265 states have (on average 1.6205913463960107) internal successors, (160868), 99271 states have internal predecessors, (160868), 18603 states have call successors, (18603), 22 states have call predecessors, (18603), 26 states have return successors, (20794), 18601 states have call predecessors, (20794), 18602 states have call successors, (20794) [2022-07-21 04:51:38,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117895 states to 117895 states and 200265 transitions. [2022-07-21 04:51:38,242 INFO L78 Accepts]: Start accepts. Automaton has 117895 states and 200265 transitions. Word has length 130 [2022-07-21 04:51:38,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 04:51:38,243 INFO L495 AbstractCegarLoop]: Abstraction has 117895 states and 200265 transitions. [2022-07-21 04:51:38,243 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) [2022-07-21 04:51:38,243 INFO L276 IsEmpty]: Start isEmpty. Operand 117895 states and 200265 transitions. [2022-07-21 04:51:38,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-07-21 04:51:38,313 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 04:51:38,313 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] [2022-07-21 04:51:38,313 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-07-21 04:51:38,313 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 04:51:38,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 04:51:38,314 INFO L85 PathProgramCache]: Analyzing trace with hash 1408955328, now seen corresponding path program 1 times [2022-07-21 04:51:38,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 04:51:38,314 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031007673] [2022-07-21 04:51:38,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 04:51:38,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 04:51:38,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:38,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 04:51:38,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:38,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 04:51:38,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:38,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 04:51:38,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:38,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 04:51:38,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:38,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-21 04:51:38,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:38,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-21 04:51:38,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:38,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-21 04:51:38,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:38,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 04:51:38,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:38,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 04:51:38,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:38,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-07-21 04:51:38,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:38,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-21 04:51:38,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:38,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-21 04:51:38,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:38,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-21 04:51:38,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:38,457 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-07-21 04:51:38,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 04:51:38,458 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031007673] [2022-07-21 04:51:38,458 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2031007673] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 04:51:38,458 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 04:51:38,458 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-21 04:51:38,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019060706] [2022-07-21 04:51:38,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 04:51:38,459 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-21 04:51:38,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 04:51:38,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-21 04:51:38,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-07-21 04:51:38,460 INFO L87 Difference]: Start difference. First operand 117895 states and 200265 transitions. Second operand has 10 states, 10 states have (on average 8.6) internal successors, (86), 5 states have internal predecessors, (86), 2 states have call successors, (16), 6 states have call predecessors, (16), 2 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-21 04:51:46,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 04:51:46,098 INFO L93 Difference]: Finished difference Result 118977 states and 205263 transitions. [2022-07-21 04:51:46,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-07-21 04:51:46,099 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.6) internal successors, (86), 5 states have internal predecessors, (86), 2 states have call successors, (16), 6 states have call predecessors, (16), 2 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) Word has length 131 [2022-07-21 04:51:46,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 04:51:46,567 INFO L225 Difference]: With dead ends: 118977 [2022-07-21 04:51:46,567 INFO L226 Difference]: Without dead ends: 118798 [2022-07-21 04:51:46,620 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 218 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=254, Invalid=738, Unknown=0, NotChecked=0, Total=992 [2022-07-21 04:51:46,621 INFO L413 NwaCegarLoop]: 1100 mSDtfsCounter, 2365 mSDsluCounter, 1153 mSDsCounter, 0 mSdLazyCounter, 5010 mSolverCounterSat, 1487 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2382 SdHoareTripleChecker+Valid, 2253 SdHoareTripleChecker+Invalid, 6497 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1487 IncrementalHoareTripleChecker+Valid, 5010 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-07-21 04:51:46,621 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2382 Valid, 2253 Invalid, 6497 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1487 Valid, 5010 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-07-21 04:51:46,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118798 states. [2022-07-21 04:51:51,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118798 to 118076. [2022-07-21 04:51:51,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118076 states, 99407 states have (on average 1.6203687869063548) internal successors, (161076), 99414 states have internal predecessors, (161076), 18628 states have call successors, (18628), 34 states have call predecessors, (18628), 40 states have return successors, (20823), 18627 states have call predecessors, (20823), 18626 states have call successors, (20823) [2022-07-21 04:51:52,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118076 states to 118076 states and 200527 transitions. [2022-07-21 04:51:52,223 INFO L78 Accepts]: Start accepts. Automaton has 118076 states and 200527 transitions. Word has length 131 [2022-07-21 04:51:52,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 04:51:52,224 INFO L495 AbstractCegarLoop]: Abstraction has 118076 states and 200527 transitions. [2022-07-21 04:51:52,224 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.6) internal successors, (86), 5 states have internal predecessors, (86), 2 states have call successors, (16), 6 states have call predecessors, (16), 2 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-21 04:51:52,224 INFO L276 IsEmpty]: Start isEmpty. Operand 118076 states and 200527 transitions. [2022-07-21 04:51:52,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-07-21 04:51:52,254 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 04:51:52,254 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] [2022-07-21 04:51:52,254 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-07-21 04:51:52,255 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 04:51:52,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 04:51:52,255 INFO L85 PathProgramCache]: Analyzing trace with hash 1786144608, now seen corresponding path program 1 times [2022-07-21 04:51:52,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 04:51:52,255 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056026524] [2022-07-21 04:51:52,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 04:51:52,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 04:51:52,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:52,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 04:51:52,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:52,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 04:51:52,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:52,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 04:51:52,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:52,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 04:51:52,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:52,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-21 04:51:52,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:52,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-21 04:51:52,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:52,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-21 04:51:52,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:52,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 04:51:52,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:52,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 04:51:52,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:52,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-07-21 04:51:52,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:52,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-21 04:51:52,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:52,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-21 04:51:52,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:52,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 04:51:52,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:52,406 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-07-21 04:51:52,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 04:51:52,406 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056026524] [2022-07-21 04:51:52,406 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2056026524] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 04:51:52,407 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 04:51:52,407 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-07-21 04:51:52,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422755887] [2022-07-21 04:51:52,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 04:51:52,407 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-07-21 04:51:52,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 04:51:52,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-07-21 04:51:52,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-07-21 04:51:52,408 INFO L87 Difference]: Start difference. First operand 118076 states and 200527 transitions. Second operand has 17 states, 15 states have (on average 5.8) internal successors, (87), 11 states have internal predecessors, (87), 8 states have call successors, (16), 7 states have call predecessors, (16), 2 states have return successors, (13), 6 states have call predecessors, (13), 7 states have call successors, (13) [2022-07-21 04:52:00,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 04:52:00,155 INFO L93 Difference]: Finished difference Result 119290 states and 205740 transitions. [2022-07-21 04:52:00,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-07-21 04:52:00,156 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 15 states have (on average 5.8) internal successors, (87), 11 states have internal predecessors, (87), 8 states have call successors, (16), 7 states have call predecessors, (16), 2 states have return successors, (13), 6 states have call predecessors, (13), 7 states have call successors, (13) Word has length 132 [2022-07-21 04:52:00,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 04:52:00,706 INFO L225 Difference]: With dead ends: 119290 [2022-07-21 04:52:00,707 INFO L226 Difference]: Without dead ends: 118906 [2022-07-21 04:52:00,771 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 493 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=423, Invalid=2027, Unknown=0, NotChecked=0, Total=2450 [2022-07-21 04:52:00,772 INFO L413 NwaCegarLoop]: 707 mSDtfsCounter, 2258 mSDsluCounter, 2550 mSDsCounter, 0 mSdLazyCounter, 8306 mSolverCounterSat, 1087 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2258 SdHoareTripleChecker+Valid, 3257 SdHoareTripleChecker+Invalid, 9393 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1087 IncrementalHoareTripleChecker+Valid, 8306 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-07-21 04:52:00,772 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2258 Valid, 3257 Invalid, 9393 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1087 Valid, 8306 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-07-21 04:52:00,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118906 states.